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.github/PULL_REQUEST_TEMPLATE.md
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- [ ] I have disclosed use of any AI generated code in my commit messages.
- If you are using an LLM, and do not fully understand the changes it is making to the code base, do not create a PR.
- In our experience, AI generated code often results in overly complex code that lacks enough context for a proper fix or feature inclusion. This results in considerably longer code reviews. Due to this, AI authored or partially authored PRs may be closed without comment.
- [ ] I understand these changes in full and will be able to respond to review comments.
- [ ] My change is accurately described in the commit message.
- [ ] My contribution is tested and working as described.
- [ ] I have read the [Developer Certificate of Origin](https://developercertificate.org/) and certify my contribution under its conditions.
.gitignore
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# Generated by Cargo
# will have compiled files and executables
/target/
# These are backup files generated by rustfmt
**/*.rs.bk
# Added by cargo
/target
# Added by Nix
/result
# Debian packaging stuff
.cargo
vendor/
vendor.tar
*.xz
*.deb
*.ddeb
*.dsc
*.changes
*.deb.tar.*
*.buildinfo
*.build
debian/*
!debian/*install
!debian/*postinst
!debian/*gsettings-override
!debian/changelog
!debian/control
!debian/links
!debian/rules
!debian/source
.zed/settings.json
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{
"format_on_save": "on",
"lsp": {
"rust-analyzer": {
"initialization_options": {
"check": {
"command": "clippy",
},
"rustfmt": {
"extraArgs": ["+nightly"],
},
},
},
},
}
Cargo.lock
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Cargo.toml
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[package]
name = "cosmic-session"
description = "The session manager for the COSMIC desktop environment"
version = "1.0.0"
license = "GPL-3.0-only"
edition = "2024"
rust-version = "1.93"
authors = ["Lucy <[email protected]>"]
publish = false
[dependencies]
color-eyre = "0.6"
futures-util = "0.3"
cosmic-dbus-a11y = { git = "https://github.com/pop-os/dbus-settings-bindings" }
freedesktop-desktop-entry = { version = "0.8", optional = true }
shell-words = { version = "1.1.1", optional = true }
dirs = { version = "6.0.0", optional = true }
launch-pad = { git = "https://github.com/pop-os/launch-pad" }
log-panics = { version = "2", features = ["with-backtrace"] }
rustix = "1.1"
scopeguard = "1"
serde = { version = "1", features = ["derive"] }
serde_json = "1"
tokio = { version = "1", features = [
"fs",
"io-util",
"io-std",
"macros",
"net",
"parking_lot",
"process",
"rt",
"signal",
"sync",
"time",
] }
zbus_systemd = { version = "0.26000.0", optional = true, features = [
"systemd1",
] }
tokio-util = "0.7"
tracing = "0.1"
tracing-journald = { version = "0.3", optional = true }
tracing-subscriber = { version = "0.3", features = ["env-filter"] }
zbus = { version = "5.14.0", default-features = false, features = ["tokio"] }
logind-zbus = { version = "5.3.2", optional = true }
[features]
systemd = ["dep:zbus_systemd", "dep:tracing-journald"]
logind = ["systemd", "logind-zbus"]
default = ["logind"]
autostart = ["dep:shell-words", "dep:dirs", "dep:freedesktop-desktop-entry"]
Justfile
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rootdir := ''
prefix := '/usr'
cargo-target-dir := env('CARGO_TARGET_DIR', 'target')
orca := '/usr/bin/orca'
cosmic_dconf_profile := prefix + '/share/dconf/profile/cosmic'
usrdir := absolute_path(clean(rootdir / prefix))
bindir := usrdir / 'bin'
systemddir := usrdir / 'lib' / 'systemd' / 'user'
sessiondir := usrdir / 'share' / 'wayland-sessions'
applicationdir := usrdir / 'share' / 'applications'
default: build-release
build-debug *args:
ORCA={{ orca }} cargo build {{ args }}
# Compile with release profile
build-release *args: (build-debug '--release' args)
# Compile with a vendored tarball
build-vendored *args: vendor-extract (build-release '--frozen --offline' args)
# Remove Cargo build artifacts
clean:
cargo clean
# Also remove .cargo and vendored dependencies
clean-dist: clean
rm -rf .cargo vendor vendor.tar target
# Installs files into the system
install:
echo {{ cosmic_dconf_profile }}
# main binary
install -Dm0755 {{ cargo-target-dir }}/release/cosmic-session {{ bindir }}/cosmic-session
# session start script
install -Dm0755 data/start-cosmic {{ bindir }}/start-cosmic
sed -i "s|DCONF_PROFILE=cosmic|DCONF_PROFILE={{ cosmic_dconf_profile }}|" {{ bindir }}/start-cosmic
# systemd target
install -Dm0644 data/cosmic-session.target {{ systemddir }}/cosmic-session.target
# session
install -Dm0644 data/cosmic.desktop {{ sessiondir }}/cosmic.desktop
# mimeapps
install -Dm0644 data/cosmic-mimeapps.list {{ applicationdir }}/cosmic-mimeapps.list
# dconf profile
install -Dm644 data/dconf/profile/cosmic {{ rootdir }}/{{ cosmic_dconf_profile }}
# Vendor Cargo dependencies locally
vendor:
mkdir -p .cargo
cargo vendor | head -n -1 > .cargo/config.toml
echo 'directory = "vendor"' >> .cargo/config.toml
tar pcf vendor.tar vendor
rm -rf vendor
# Extracts vendored dependencies
[private]
vendor-extract:
rm -rf vendor
tar pxf vendor.tar
# Bump cargo version, create git commit, and create tag
tag version:
find -type f -name Cargo.toml -exec sed -i '0,/^version/s/^version.*/version = "{{ version }}"/' '{}' \; -exec git add '{}' \;
cargo check
cargo clean
git add Cargo.lock
git commit -m 'release: {{ version }}'
git commit --amend
git tag -a {{ version }} -m ''
LICENSE.md
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GNU General Public License
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If, pursuant to or in connection with a single transaction or arrangement, you
convey, or propagate by procuring conveyance of, a covered work, and grant a patent
license to some of the parties receiving the covered work authorizing them to use,
propagate, modify or convey a specific copy of the covered work, then the patent
license you grant is automatically extended to all recipients of the covered work and
works based on it.
A patent license is “discriminatory” if it does not include within the
scope of its coverage, prohibits the exercise of, or is conditioned on the
non-exercise of one or more of the rights that are specifically granted under this
License. You may not convey a covered work if you are a party to an arrangement with
a third party that is in the business of distributing software, under which you make
payment to the third party based on the extent of your activity of conveying the
work, and under which the third party grants, to any of the parties who would receive
the covered work from you, a discriminatory patent license **(a)** in connection with
copies of the covered work conveyed by you (or copies made from those copies), or **(b)**
primarily for and in connection with specific products or compilations that contain
the covered work, unless you entered into that arrangement, or that patent license
was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting any implied
license or other defenses to infringement that may otherwise be available to you
under applicable patent law.
### 12. No Surrender of Others' Freedom
If conditions are imposed on you (whether by court order, agreement or otherwise)
that contradict the conditions of this License, they do not excuse you from the
conditions of this License. If you cannot convey a covered work so as to satisfy
simultaneously your obligations under this License and any other pertinent
obligations, then as a consequence you may not convey it at all. For example, if you
agree to terms that obligate you to collect a royalty for further conveying from
those to whom you convey the Program, the only way you could satisfy both those terms
and this License would be to refrain entirely from conveying the Program.
### 13. Use with the GNU Affero General Public License
Notwithstanding any other provision of this License, you have permission to link or
combine any covered work with a work licensed under version 3 of the GNU Affero
General Public License into a single combined work, and to convey the resulting work.
The terms of this License will continue to apply to the part which is the covered
work, but the special requirements of the GNU Affero General Public License, section
13, concerning interaction through a network will apply to the combination as such.
### 14. Revised Versions of this License
The Free Software Foundation may publish revised and/or new versions of the GNU
General Public License from time to time. Such new versions will be similar in spirit
to the present version, but may differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program specifies that
a certain numbered version of the GNU General Public License “or any later
version” applies to it, you have the option of following the terms and
conditions either of that numbered version or of any later version published by the
Free Software Foundation. If the Program does not specify a version number of the GNU
General Public License, you may choose any version ever published by the Free
Software Foundation.
If the Program specifies that a proxy can decide which future versions of the GNU
General Public License can be used, that proxy's public statement of acceptance of a
version permanently authorizes you to choose that version for the Program.
Later license versions may give you additional or different permissions. However, no
additional obligations are imposed on any author or copyright holder as a result of
your choosing to follow a later version.
### 15. Disclaimer of Warranty
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE
QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
### 16. Limitation of Liability
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY
COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS
PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL,
INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE
OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE
WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
### 17. Interpretation of Sections 15 and 16
If the disclaimer of warranty and limitation of liability provided above cannot be
given local legal effect according to their terms, reviewing courts shall apply local
law that most closely approximates an absolute waiver of all civil liability in
connection with the Program, unless a warranty or assumption of liability accompanies
a copy of the Program in return for a fee.
_END OF TERMS AND CONDITIONS_
## How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest possible use to
the public, the best way to achieve this is to make it free software which everyone
can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest to attach them
to the start of each source file to most effectively state the exclusion of warranty;
and each file should have at least the “copyright” line and a pointer to
where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short notice like this
when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type 'show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type 'show c' for details.
The hypothetical commands `show w` and `show c` should show the appropriate parts of
the General Public License. Of course, your program's commands might be different;
for a GUI interface, you would use an “about box”.
You should also get your employer (if you work as a programmer) or school, if any, to
sign a “copyright disclaimer” for the program, if necessary. For more
information on this, and how to apply and follow the GNU GPL, see
&lt;<http://www.gnu.org/licenses/>&gt;.
The GNU General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may consider it
more useful to permit linking proprietary applications with the library. If this is
what you want to do, use the GNU Lesser General Public License instead of this
License. But first, please read
&lt;<http://www.gnu.org/philosophy/why-not-lgpl.html>&gt;.
data/cosmic-mimeapps.list
+315
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@@ -0,0 +1,315 @@
[Default Applications]
text/plain=com.system76.CosmicEdit.desktop
text/css=com.system76.CosmicEdit.desktop
text/javascript=com.system76.CosmicEdit.desktop
text/markdown=com.system76.CosmicEdit.desktop
text/mathml=com.system76.CosmicEdit.desktop
text/rust=com.system76.CosmicEdit.desktop
text/x-c++hdr=com.system76.CosmicEdit.desktop
text/x-c++src=com.system76.CosmicEdit.desktop
text/x-csrc=com.system76.CosmicEdit.desktop
text/x-chdr=com.system76.CosmicEdit.desktop
text/x-dtd=com.system76.CosmicEdit.desktop
text/x-java=com.system76.CosmicEdit.desktop
text/x-javascript=com.system76.CosmicEdit.desktop
text/x-makefile=com.system76.CosmicEdit.desktop
text/x-moc=com.system76.CosmicEdit.desktop
text/x-pascal=com.system76.CosmicEdit.desktop
text/x-patch=com.system76.CosmicEdit.desktop
text/x-perl=com.system76.CosmicEdit.desktop
text/x-php=com.system76.CosmicEdit.desktop
text/x-python=com.system76.CosmicEdit.desktop
text/x-sql=com.system76.CosmicEdit.desktop
text/x-tcl=com.system76.CosmicEdit.desktop
text/x-tex=com.system76.CosmicEdit.desktop
text/xml=com.system76.CosmicEdit.desktop
application/javascript=com.system76.CosmicEdit.desktop
application/x-cgi=com.system76.CosmicEdit.desktop
application/x-javascript=com.system76.CosmicEdit.desktop
application/x-perl=com.system76.CosmicEdit.desktop
application/x-php=com.system76.CosmicEdit.desktop
application/x-python=com.system76.CosmicEdit.desktop
application/x-shellscript=com.system76.CosmicEdit.desktop
application/xml=com.system76.CosmicEdit.desktop
application/xml-dtd=com.system76.CosmicEdit.desktop
inode/directory=com.system76.CosmicFiles.desktop
inode/mount-point=com.system76.CosmicFiles.desktop
application/mxf=com.system76.CosmicPlayer.desktop
application/ogg=com.system76.CosmicPlayer.desktop
application/ram=com.system76.CosmicPlayer.desktop
application/sdp=com.system76.CosmicPlayer.desktop
application/smil=com.system76.CosmicPlayer.desktop
application/smil+xml=com.system76.CosmicPlayer.desktop
application/vnd.ms-wpl=com.system76.CosmicPlayer.desktop
application/vnd.rn-realmedia=com.system76.CosmicPlayer.desktop
application/x-extension-m4a=com.system76.CosmicPlayer.desktop
application/x-extension-mp4=com.system76.CosmicPlayer.desktop
application/x-flac=com.system76.CosmicPlayer.desktop
application/x-flash-video=com.system76.CosmicPlayer.desktop
application/x-matroska=com.system76.CosmicPlayer.desktop
application/x-netshow-channel=com.system76.CosmicPlayer.desktop
application/x-ogg=com.system76.CosmicPlayer.desktop
application/x-quicktime-media-link=com.system76.CosmicPlayer.desktop
application/x-quicktimeplayer=com.system76.CosmicPlayer.desktop
application/x-shorten=com.system76.CosmicPlayer.desktop
application/x-smil=com.system76.CosmicPlayer.desktop
application/xspf+xml=com.system76.CosmicPlayer.desktop
audio/3gpp=com.system76.CosmicPlayer.desktop
audio/ac3=com.system76.CosmicPlayer.desktop
audio/AMR=com.system76.CosmicPlayer.desktop
audio/AMR-WB=com.system76.CosmicPlayer.desktop
audio/basic=com.system76.CosmicPlayer.desktop
audio/flac=com.system76.CosmicPlayer.desktop
audio/midi=com.system76.CosmicPlayer.desktop
audio/mp4=com.system76.CosmicPlayer.desktop
audio/mpeg=com.system76.CosmicPlayer.desktop
audio/mpegurl=com.system76.CosmicPlayer.desktop
audio/ogg=com.system76.CosmicPlayer.desktop
audio/prs.sid=com.system76.CosmicPlayer.desktop
audio/vnd.rn-realaudio=com.system76.CosmicPlayer.desktop
audio/x-ape=com.system76.CosmicPlayer.desktop
audio/x-flac=com.system76.CosmicPlayer.desktop
audio/x-gsm=com.system76.CosmicPlayer.desktop
audio/x-it=com.system76.CosmicPlayer.desktop
audio/x-m4a=com.system76.CosmicPlayer.desktop
audio/x-matroska=com.system76.CosmicPlayer.desktop
audio/x-mod=com.system76.CosmicPlayer.desktop
audio/x-mp3=com.system76.CosmicPlayer.desktop
audio/x-mpeg=com.system76.CosmicPlayer.desktop
audio/x-mpegurl=com.system76.CosmicPlayer.desktop
audio/x-ms-asf=com.system76.CosmicPlayer.desktop
audio/x-ms-asx=com.system76.CosmicPlayer.desktop
audio/x-ms-wax=com.system76.CosmicPlayer.desktop
audio/x-ms-wma=com.system76.CosmicPlayer.desktop
audio/x-musepack=com.system76.CosmicPlayer.desktop
audio/x-pn-aiff=com.system76.CosmicPlayer.desktop
audio/x-pn-au=com.system76.CosmicPlayer.desktop
audio/x-pn-realaudio=com.system76.CosmicPlayer.desktop
audio/x-pn-realaudio-plugin=com.system76.CosmicPlayer.desktop
audio/x-pn-wav=com.system76.CosmicPlayer.desktop
audio/x-pn-windows-acm=com.system76.CosmicPlayer.desktop
audio/x-realaudio=com.system76.CosmicPlayer.desktop
audio/x-real-audio=com.system76.CosmicPlayer.desktop
audio/x-sbc=com.system76.CosmicPlayer.desktop
audio/x-scpls=com.system76.CosmicPlayer.desktop
audio/x-speex=com.system76.CosmicPlayer.desktop
audio/x-tta=com.system76.CosmicPlayer.desktop
audio/x-vorbis=com.system76.CosmicPlayer.desktop
audio/x-vorbis+ogg=com.system76.CosmicPlayer.desktop
audio/x-wav=com.system76.CosmicPlayer.desktop
audio/x-wavpack=com.system76.CosmicPlayer.desktop
audio/x-xm=com.system76.CosmicPlayer.desktop
image/vnd.rn-realpix=com.system76.CosmicPlayer.desktop
image/x-pict=com.system76.CosmicPlayer.desktop
misc/ultravox=com.system76.CosmicPlayer.desktop
text/google-video-pointer=com.system76.CosmicPlayer.desktop
text/x-google-video-pointer=com.system76.CosmicPlayer.desktop
video/3gpp=com.system76.CosmicPlayer.desktop
video/dv=com.system76.CosmicPlayer.desktop
video/fli=com.system76.CosmicPlayer.desktop
video/flv=com.system76.CosmicPlayer.desktop
video/mp2t=com.system76.CosmicPlayer.desktop
video/mp4=com.system76.CosmicPlayer.desktop
video/mp4v-es=com.system76.CosmicPlayer.desktop
video/mpeg=com.system76.CosmicPlayer.desktop
video/msvideo=com.system76.CosmicPlayer.desktop
video/ogg=com.system76.CosmicPlayer.desktop
video/quicktime=com.system76.CosmicPlayer.desktop
video/vivo=com.system76.CosmicPlayer.desktop
video/vnd.divx=com.system76.CosmicPlayer.desktop
video/vnd.rn-realvideo=com.system76.CosmicPlayer.desktop
video/vnd.vivo=com.system76.CosmicPlayer.desktop
video/webm=com.system76.CosmicPlayer.desktop
video/x-anim=com.system76.CosmicPlayer.desktop
video/x-avi=com.system76.CosmicPlayer.desktop
video/x-flc=com.system76.CosmicPlayer.desktop
video/x-fli=com.system76.CosmicPlayer.desktop
video/x-flic=com.system76.CosmicPlayer.desktop
video/x-flv=com.system76.CosmicPlayer.desktop
video/x-m4v=com.system76.CosmicPlayer.desktop
video/x-matroska=com.system76.CosmicPlayer.desktop
video/x-mpeg=com.system76.CosmicPlayer.desktop
video/x-ms-asf=com.system76.CosmicPlayer.desktop
video/x-ms-asx=com.system76.CosmicPlayer.desktop
video/x-msvideo=com.system76.CosmicPlayer.desktop
video/x-ms-wm=com.system76.CosmicPlayer.desktop
video/x-ms-wmv=com.system76.CosmicPlayer.desktop
video/x-ms-wmx=com.system76.CosmicPlayer.desktop
video/x-ms-wvx=com.system76.CosmicPlayer.desktop
video/x-nsv=com.system76.CosmicPlayer.desktop
video/x-ogm+ogg=com.system76.CosmicPlayer.desktop
video/x-theora+ogg=com.system76.CosmicPlayer.desktop
video/x-totem-stream=com.system76.CosmicPlayer.desktop
x-content/video-dvd=com.system76.CosmicPlayer.desktop
x-content/video-vcd=com.system76.CosmicPlayer.desktop
x-content/video-svcd=com.system76.CosmicPlayer.desktop
x-scheme-handler/pnm=com.system76.CosmicPlayer.desktop
x-scheme-handler/mms=com.system76.CosmicPlayer.desktop
x-scheme-handler/net=com.system76.CosmicPlayer.desktop
x-scheme-handler/rtp=com.system76.CosmicPlayer.desktop
x-scheme-handler/rtsp=com.system76.CosmicPlayer.desktop
x-scheme-handler/mmsh=com.system76.CosmicPlayer.desktop
x-scheme-handler/uvox=com.system76.CosmicPlayer.desktop
x-scheme-handler/icy=com.system76.CosmicPlayer.desktop
x-scheme-handler/icyx=com.system76.CosmicPlayer.desktop
application/x-cd-image=com.system76.Popsicle.desktop
application/x-raw-disk-image=com.system76.Popsicle.desktop
application/x-raw-disk-image-xz-compressed=com.system76.Popsicle.desktop
application/x-debian-package=com.system76.CosmicStore.desktop
application/vnd.debian.binary-package=com.system76.CosmicStore.desktop
application/vnd.flatpak.ref=com.system76.CosmicStore.desktop
x-scheme-handler/appstream=com.system76.CosmicStore.desktop
x-scheme-handler/mime=com.system76.CosmicStore.desktop
image/bmp=org.gnome.eog.desktop
image/gif=org.gnome.eog.desktop
image/jpeg=org.gnome.eog.desktop
image/jpg=org.gnome.eog.desktop
image/pjpeg=org.gnome.eog.desktop
image/png=org.gnome.eog.desktop
image/svg+xml=org.gnome.eog.desktop
image/svg+xml-compressed=org.gnome.eog.desktop
image/x-bmp=org.gnome.eog.desktop
image/x-gray=org.gnome.eog.desktop
image/x-icb=org.gnome.eog.desktop
image/x-ico=org.gnome.eog.desktop
image/x-pcx=org.gnome.eog.desktop
image/x-png=org.gnome.eog.desktop
image/x-portable-anymap=org.gnome.eog.desktop
image/x-portable-bitmap=org.gnome.eog.desktop
image/x-portable-graymap=org.gnome.eog.desktop
image/x-portable-pixmap=org.gnome.eog.desktop
image/x-xbitmap=org.gnome.eog.desktop
image/x-xpixmap=org.gnome.eog.desktop
image/vnd.wap.wbmp=org.gnome.eog.desktop
image/g3fax=gimp.desktop
image/x-compressed-xcf=gimp.desktop
image/x-fits=gimp.desktop
image/x-icon=gimp.desktop
image/x-psd=gimp.desktop
image/x-sgi=gimp.desktop
image/x-sun-raster=gimp.desktop
image/x-tga=gimp.desktop
image/x-xcf=gimp.desktop
image/x-xwindowdump=gimp.desktop
application/pdf=org.gnome.Evince.desktop
application/x-bzpdf=org.gnome.Evince.desktop
application/x-gzpdf=org.gnome.Evince.desktop
application/postscript=org.gnome.Evince.desktop
application/x-bzpostscript=org.gnome.Evince.desktop
application/x-gzpostscript=org.gnome.Evince.desktop
image/x-eps=org.gnome.Evince.desktop
image/x-bzeps=org.gnome.Evince.desktop
image/x-gzeps=org.gnome.Evince.desktop
application/x-dvi=org.gnome.Evince.desktop
application/x-bzdvi=org.gnome.Evince.desktop
application/x-gzdvi=org.gnome.Evince.desktop
image/vnd.djvu=org.gnome.Evince.desktop
image/tiff=org.gnome.Evince.desktop
application/x-cbr=org.gnome.Evince.desktop
application/x-cbz=org.gnome.Evince.desktop
application/x-cb7=org.gnome.Evince.desktop
application/x-7z-compressed=org.gnome.FileRoller.desktop
application/x-7z-compressed-tar=org.gnome.FileRoller.desktop
application/x-ace=org.gnome.FileRoller.desktop
application/x-alz=org.gnome.FileRoller.desktop
application/x-ar=org.gnome.FileRoller.desktop
application/x-arj=org.gnome.FileRoller.desktop
application/x-bzip=org.gnome.FileRoller.desktop
application/x-bzip-compressed-tar=org.gnome.FileRoller.desktop
application/x-bzip1=org.gnome.FileRoller.desktop
application/x-bzip1-compressed-tar=org.gnome.FileRoller.desktop
application/x-cabinet=org.gnome.FileRoller.desktop
application/x-compress=org.gnome.FileRoller.desktop
application/x-compressed-tar=org.gnome.FileRoller.desktop
application/x-cpio=org.gnome.FileRoller.desktop
application/x-deb=org.gnome.FileRoller.desktop
application/x-ear=org.gnome.FileRoller.desktop
application/x-gtar=org.gnome.FileRoller.desktop
application/x-gzip=org.gnome.FileRoller.desktop
application/x-java-archive=org.gnome.FileRoller.desktop
application/x-lha=org.gnome.FileRoller.desktop
application/x-lhz=org.gnome.FileRoller.desktop
application/x-lzip=org.gnome.FileRoller.desktop
application/x-lzip-compressed-tar=org.gnome.FileRoller.desktop
application/x-lzma=org.gnome.FileRoller.desktop
application/x-lzma-compressed-tar=org.gnome.FileRoller.desktop
application/x-lzop=org.gnome.FileRoller.desktop
application/x-lzop-compressed-tar=org.gnome.FileRoller.desktop
application/x-rar=org.gnome.FileRoller.desktop
application/x-rar-compressed=org.gnome.FileRoller.desktop
application/x-rpm=org.gnome.FileRoller.desktop
application/x-rzip=org.gnome.FileRoller.desktop
application/x-tar=org.gnome.FileRoller.desktop
application/x-tarz=org.gnome.FileRoller.desktop
application/x-stuffit=org.gnome.FileRoller.desktop
application/x-war=org.gnome.FileRoller.desktop
application/x-xz=org.gnome.FileRoller.desktop
application/x-xz-compressed-tar=org.gnome.FileRoller.desktop
application/x-zip=org.gnome.FileRoller.desktop
application/x-zip-compressed=org.gnome.FileRoller.desktop
application/x-zoo=org.gnome.FileRoller.desktop
application/zip=org.gnome.FileRoller.desktop
multipart/x-zip=org.gnome.FileRoller.desktop
application/x-font-ttf=org.gnome.font-viewer.desktop
application/x-font-pcf=org.gnome.font-viewer.desktop
application/x-font-type1=org.gnome.font-viewer.desktop
application/x-font-otf=org.gnome.font-viewer.desktop
text/html=firefox-esr.desktop;firefox.desktop;
application/xhtml+xml=firefox-esr.desktop;firefox.desktop;
application/rss+xml=firefox-esr.desktop;firefox.desktop;
application/rdf+xml=firefox-esr.desktop;firefox.desktop;
x-scheme-handler/http=firefox-esr.desktop;firefox.desktop;
x-scheme-handler/https=firefox-esr.desktop;firefox.desktop;
application/vnd.oasis.opendocument.spreadsheet=libreoffice-calc.desktop
application/vnd.oasis.opendocument.spreadsheet-flat-xml=libreoffice-calc.desktop
application/vnd.oasis.opendocument.spreadsheet-template=libreoffice-calc.desktop
application/vnd.sun.xml.calc=libreoffice-calc.desktop
application/vnd.sun.xml.calc.template=libreoffice-calc.desktop
application/msexcel=libreoffice-calc.desktop
application/vnd.ms-excel=libreoffice-calc.desktop
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet=libreoffice-calc.desktop
application/vnd.ms-excel.sheet.macroenabled.12=libreoffice-calc.desktop
application/vnd.openxmlformats-officedocument.spreadsheetml.template=libreoffice-calc.desktop
application/vnd.ms-excel.template.macroenabled.12=libreoffice-calc.desktop
application/vnd.ms-excel.sheet.binary.macroenabled.12=libreoffice-calc.desktop
application/x-dbf=libreoffice-calc.desktop
text/spreadsheet=libreoffice-calc.desktop
application/vnd.oasis.opendocument.graphics=libreoffice-draw.desktop
application/vnd.oasis.opendocument.graphics-flat-xml=libreoffice-draw.desktop
application/vnd.oasis.opendocument.graphics-template=libreoffice-draw.desktop
application/vnd.sun.xml.draw=libreoffice-draw.desktop
application/vnd.sun.xml.draw.template=libreoffice-draw.desktop
application/vnd.visio=libreoffice-draw.desktop
application/vnd.oasis.opendocument.presentation=libreoffice-impress.desktop
application/vnd.oasis.opendocument.presentation-flat-xml=libreoffice-impress.desktop
application/vnd.oasis.opendocument.presentation-template=libreoffice-impress.desktop
application/vnd.sun.xml.impress=libreoffice-impress.desktop
application/vnd.sun.xml.impress.template=libreoffice-impress.desktop
application/mspowerpoint=libreoffice-impress.desktop
application/vnd.ms-powerpoint=libreoffice-impress.desktop
application/vnd.openxmlformats-officedocument.presentationml.presentation=libreoffice-impress.desktop
application/vnd.ms-powerpoint.presentation.macroenabled.12=libreoffice-impress.desktop
application/vnd.openxmlformats-officedocument.presentationml.template=libreoffice-impress.desktop
application/vnd.ms-powerpoint.template.macroenabled.12=libreoffice-impress.desktop
application/vnd.openxmlformats-officedocument.presentationml.slide=libreoffice-impress.desktop
application/vnd.openxmlformats-officedocument.presentationml.slideshow=libreoffice-impress.desktop
application/vnd.oasis.opendocument.formula=libreoffice-math.desktop
application/vnd.sun.xml.math=libreoffice-math.desktop
application/vnd.oasis.opendocument.text=libreoffice-writer.desktop
application/vnd.oasis.opendocument.text-flat-xml=libreoffice-writer.desktop
application/vnd.oasis.opendocument.text-template=libreoffice-writer.desktop
application/vnd.oasis.opendocument.text-web=libreoffice-writer.desktop
application/vnd.oasis.opendocument.text-master=libreoffice-writer.desktop
application/vnd.sun.xml.writer=libreoffice-writer.desktop
application/vnd.sun.xml.writer.template=libreoffice-writer.desktop
application/vnd.sun.xml.writer.global=libreoffice-writer.desktop
eapplication/vnd.ms-word=libreoffice-writer.desktop
application/x-doc=libreoffice-writer.desktop
application/x-hwp=libreoffice-writer.desktop
application/vnd.wordperfect=libreoffice-writer.desktop
application/wordperfect=libreoffice-writer.desktop
application/vnd.lotus-wordpro=libreoffice-writer.desktop
application/vnd.openxmlformats-officedocument.wordprocessingml.document=libreoffice-writer.desktop
application/vnd.ms-word.document.macroenabled.12=libreoffice-writer.desktop
application/vnd.openxmlformats-officedocument.wordprocessingml.template=libreoffice-writer.desktop
application/vnd.ms-word.template.macroenabled.12=libreoffice-writer.desktop
data/cosmic-session.target
+12
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@@ -0,0 +1,12 @@
[Unit]
Description=Cosmic Session Target
Documentation=man:systemd.special(7)
BindsTo=graphical-session.target
Before=graphical-session.target
Wants=graphical-session-pre.target
After=graphical-session-pre.target
Wants=xdg-desktop-autostart.target
Before=xdg-desktop-autostart.target
data/cosmic.desktop
+7
View File
@@ -0,0 +1,7 @@
[Desktop Entry]
Name=COSMIC
Comment=This session logs you into the COSMIC desktop
Comment[sv]=Denna session loggar in dig till skrivbordsmiljön COSMIC
Exec=/usr/bin/start-cosmic
Type=Application
DesktopNames=COSMIC
data/dconf/profile/cosmic
+2
View File
@@ -0,0 +1,2 @@
user-db:cosmic
user-db:user
data/start-cosmic
Executable
+114
View File
@@ -0,0 +1,114 @@
#!/bin/bash
set -e
# From: https://people.debian.org/~mpitt/systemd.conf-2016-graphical-session.pdf
if command -v systemctl >/dev/null; then
# robustness: if the previous graphical session left some failed units,
# reset them so that they don't break this startup
for unit in $(systemctl --user --no-legend --state=failed --plain list-units | cut -f1 -d' '); do
partof="$(systemctl --user show -p PartOf --value "$unit")"
for target in cosmic-session.target graphical-session.target; do
if [ "$partof" = "$target" ]; then
systemctl --user reset-failed "$unit"
break
fi
done
done
fi
# use the user's preferred shell to acquire environment variables
# see: https://github.com/pop-os/cosmic-session/issues/23
if [ -n "${SHELL}" ]; then
# --in-login-shell: our flag to indicate that we don't need to recurse any further
if [ "${1}" != "--in-login-shell" ]; then
# `exec -l`: like `login`, prefixes $SHELL with a hyphen to start a login shell
exec bash -c "exec -l '${SHELL}' -c '${0} --in-login-shell'"
fi
fi
export XDG_CURRENT_DESKTOP="${XDG_CURRENT_DESKTOP:=COSMIC}"
export XDG_SESSION_DESKTOP="${XDG_SESSION_DESKTOP:=COSMIC}"
export XDG_SESSION_TYPE="${XDG_SESSION_TYPE:=wayland}"
export _JAVA_AWT_WM_NONREPARENTING=1
export GDK_BACKEND=wayland,x11
export MOZ_ENABLE_WAYLAND=1
export QT_QPA_PLATFORM="wayland;xcb"
export QT_AUTO_SCREEN_SCALE_FACTOR=1
export QT_ENABLE_HIGHDPI_SCALING=1
export DCONF_PROFILE=cosmic
# Set the QT platform theme to CuteCosmic. Fallback to qt6ct if CuteCosmic is not installed.
if [ -z "$QT_QPA_PLATFORMTHEME" ]; then
export QT_QPA_PLATFORMTHEME=cosmic
for QT_PLUGIN_PATH in /usr/lib{*,/*}/qt6/plugins; do
if [ -f "${QT_PLUGIN_PATH}/platformthemes/libcutecosmictheme.so" ]; then
# CuteCosmic found, no need for a fallback.
export QT_QPA_PLATFORMTHEME=cosmic
break
elif [ -f "${QT_PLUGIN_PATH}/platformthemes/libqt6ct.so" ] || [ -f "${QT_PLUGIN_PATH}/platformthemes/libqt5ct.so" ]; then
# Fallback to qt6ct, but keep looking for CuteCosmic.
# Note that "qt5ct" is compatible with both qt5ct and qt6ct.
export QT_QPA_PLATFORMTHEME=qt5ct
fi
done
fi
# Start gnome keyring components if the daemon is active
# -> check if /run/user/$UID/keyring exists
if [ -d "/run/user/$(id -u)/keyring" ]; then
# Use PATH lookup instead of hardcoding /usr/bin
if command -v gnome-keyring-daemon >/dev/null 2>&1; then
eval "$(gnome-keyring-daemon --start --components=pkcs11,secrets,ssh > /dev/null 2>&1)"
else
echo "gnome-keyring-daemon not found in PATH" >&2
fi
# Only set SSH_AUTH_SOCK if the socket actually exists. Either
# set the correct one, or don't set one at all. Don't set the
# wrong value.
if [ -S "/run/user/$(id -u)/gcr/ssh" ]; then
export SSH_AUTH_SOCK="/run/user/$(id -u)/gcr/ssh"
elif [ -S "/run/user/$(id -u)/keyring/ssh" ]; then
export SSH_AUTH_SOCK="/run/user/$(id -u)/keyring/ssh"
fi
fi
if command -v systemctl >/dev/null; then
# Import some variables that we explicitly want to have available
# in the user session.
systemctl --user import-environment XDG_SESSION_TYPE XDG_CURRENT_DESKTOP DCONF_PROFILE SSH_AUTH_SOCK
# For environment variables already imported into the user's
# session, if the value imported differs from the value in this
# environment, update it.
mapfile -t existing_env_vars < <(systemctl --user show-environment)
for env_var in "${existing_env_vars[@]}"; do
env_var_name="${env_var%%=*}"
env_var_value=${!env_var_name:-}
# Skip current iteration if the environment variable's value
# in the current envionment is unset.
if [[ -z "${env_var_value}" ]]; then
continue
fi
env_var_val_str_to_compare="${env_var_name}=${env_var_value}"
env_var_val_str_to_compare_ansi_c_quoted="${env_var_name}=\$'$(printf '%q' "${env_var_value}")'"
if [[ "${env_var}" == "${env_var_val_str_to_compare}" ]]; then
continue
elif [[ "${env_var}" == "${env_var_val_str_to_compare_ansi_c_quoted}" ]]; then
continue
fi
systemctl --user import-environment "${env_var_name}" ||:
done
fi
# Run cosmic-session
if [[ -z "${DBUS_SESSION_BUS_ADDRESS}" ]]; then
exec /usr/bin/dbus-run-session -- /usr/bin/cosmic-session
else
exec /usr/bin/cosmic-session
fi
debian/changelog
Vendored
+5
View File
@@ -0,0 +1,5 @@
cosmic-session (1.0.0) noble; urgency=medium
* Initial release
-- Michael Murphy <[email protected]> Thu, 11 Dec 2025 13:49:55 +0100
debian/control
Vendored
+52
View File
@@ -0,0 +1,52 @@
Source: cosmic-session
Section: admin
Priority: optional
Maintainer: System76 <[email protected]>
Build-Depends:
debhelper (>= 11),
debhelper-compat (= 11),
cargo,
just
Standards-Version: 4.3.0
Homepage: https://github.com/pop-os/cosmic-session
Package: cosmic-session
Architecture: amd64 arm64
Conflicts: seatd
Depends:
${misc:Depends},
${shlibs:Depends},
cosmic-app-library,
cosmic-applets,
cosmic-bg,
cosmic-comp,
cosmic-files,
cosmic-greeter,
cosmic-icons,
cosmic-idle,
cosmic-launcher,
cosmic-notifications,
cosmic-osd,
cosmic-panel,
cosmic-randr,
cosmic-screenshot,
cosmic-settings,
cosmic-settings-daemon,
cosmic-workspaces,
fonts-open-sans,
gnome-keyring,
libsecret-1-0,
pop-fonts,
switcheroo-control,
xdg-desktop-portal-cosmic,
xwayland,
Recommends:
cosmic-edit,
cosmic-monitor,
cosmic-player,
cosmic-store,
cosmic-term,
cosmic-wallpapers,
orca,
system-config-printer,
Description: The session for the COSMIC desktop
debian/cosmic-session.gsettings-override
Vendored
+8
View File
@@ -0,0 +1,8 @@
[org.gnome.desktop.interface:COSMIC]
color-scheme = "prefer-dark"
gtk-theme = "Pop-dark"
icon-theme = "Pop"
cursor-theme = "Pop"
font-name = "Open Sans 11"
document-font-name = "Open Sans 11"
monospace-font-name = "Noto Sans Mono 11"
debian/rules
Vendored Executable
+15
View File
@@ -0,0 +1,15 @@
#!/usr/bin/make -f
export DESTDIR = debian/cosmic-session
%:
dh $@
override_dh_auto_clean:
ischroot || just vendor
override_dh_auto_build:
test -e vendor.tar && just build-vendored || just
override_dh_auto_install:
just rootdir=$(DESTDIR) install
debian/source/format
Vendored
+1
View File
@@ -0,0 +1 @@
3.0 (native)
flake.lock
Generated
+137
View File
@@ -0,0 +1,137 @@
{
"nodes": {
"crane": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1702141249,
"narHash": "sha256-8wDpJKbDTDqFmyJfNEJOLrHYDoEzCjCbmz+lSRoU3CI=",
"owner": "ipetkov",
"repo": "crane",
"rev": "62fc1a0cbe144c1014d956e603d56bf1ffe69c7d",
"type": "github"
},
"original": {
"owner": "ipetkov",
"repo": "crane",
"type": "github"
}
},
"fenix": {
"inputs": {
"nixpkgs": [
"nixpkgs"
],
"rust-analyzer-src": "rust-analyzer-src"
},
"locked": {
"lastModified": 1702189261,
"narHash": "sha256-TN6gE1eZddDhAoRrScV6Wji1Nk3uqMIDjGwN5ZesAZk=",
"owner": "nix-community",
"repo": "fenix",
"rev": "cae060dbaf53430bb2b549ced0affd54d40e6cee",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "fenix",
"type": "github"
}
},
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1701680307,
"narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nix-filter": {
"locked": {
"lastModified": 1701697642,
"narHash": "sha256-L217WytWZHSY8GW9Gx1A64OnNctbuDbfslaTEofXXRw=",
"owner": "numtide",
"repo": "nix-filter",
"rev": "c843418ecfd0344ecb85844b082ff5675e02c443",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "nix-filter",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1702206697,
"narHash": "sha256-vE9oEx3Y8TO5MnWwFlmopjHd1JoEBno+EhsfUCq5iR8=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "29d6c96900b9b576c2fb89491452f283aa979819",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"crane": "crane",
"fenix": "fenix",
"flake-utils": "flake-utils",
"nix-filter": "nix-filter",
"nixpkgs": "nixpkgs"
}
},
"rust-analyzer-src": {
"flake": false,
"locked": {
"lastModified": 1702153490,
"narHash": "sha256-F98s0+mUHtqiUk9iCApPTy23YMLmcKqTfsShpIPB40Q=",
"owner": "rust-lang",
"repo": "rust-analyzer",
"rev": "9d87a23cdef6087c1a0c97980949e2310271a941",
"type": "github"
},
"original": {
"owner": "rust-lang",
"ref": "nightly",
"repo": "rust-analyzer",
"type": "github"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
}
},
"root": "root",
"version": 7
}
flake.nix
+81
View File
@@ -0,0 +1,81 @@
{
description = "Session manager for the COSMIC desktop environment";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
flake-utils.url = "github:numtide/flake-utils";
nix-filter.url = "github:numtide/nix-filter";
crane = {
url = "github:ipetkov/crane";
inputs.nixpkgs.follows = "nixpkgs";
};
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = { self, nixpkgs, flake-utils, nix-filter, crane, fenix }:
flake-utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux" ] (system:
let
pkgs = nixpkgs.legacyPackages.${system};
craneLib = crane.lib.${system}.overrideToolchain fenix.packages.${system}.stable.toolchain;
pkgDef = {
nativeBuildInputs = with pkgs; [ just pkg-config autoPatchelfHook ];
buildInputs = with pkgs; [
stdenv.cc.cc.lib
];
src = nix-filter.lib.filter {
root = ./.;
include = [
./src
./Cargo.toml
./Cargo.lock
./Justfile
./data
];
};
};
cargoArtifacts = craneLib.buildDepsOnly pkgDef;
cosmic-session = craneLib.buildPackage (pkgDef // {
inherit cargoArtifacts;
});
in {
checks = {
inherit cosmic-session;
};
packages.default = cosmic-session.overrideAttrs (oldAttrs: rec {
buildPhase = ''
just prefix=$out xdp_cosmic=/run/current-system/sw/bin/xdg-desktop-portal-cosmic build
'';
installPhase = ''
runHook preInstallPhase
just prefix=$out install
'';
preInstallPhase = ''
substituteInPlace data/start-cosmic --replace '#!/bin/bash' "#!${pkgs.bash}/bin/bash"
substituteInPlace data/start-cosmic --replace '/usr/bin/cosmic-session' "${placeholder "out"}/bin/cosmic-session"
substituteInPlace data/start-cosmic --replace '/usr/bin/dbus-run-session' "${pkgs.dbus}/bin/dbus-run-session"
substituteInPlace data/cosmic.desktop --replace '/usr/bin/start-cosmic' "${placeholder "out"}/bin/start-cosmic"
'';
passthru.providedSessions = [ "cosmic" ];
});
apps.default = flake-utils.lib.mkApp {
drv = cosmic-session;
};
devShells.default = pkgs.mkShell {
inputsFrom = builtins.attrValues self.checks.${system};
};
});
nixConfig = {
# Cache for the Rust toolchain in fenix
extra-substituters = [ "https://nix-community.cachix.org" ];
extra-trusted-public-keys = [ "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=" ];
};
}
rustfmt.toml
+10
View File
@@ -0,0 +1,10 @@
edition = "2024"
hard_tabs = true
use_field_init_shorthand = true
# Unstable formatting options below; remove if you REALLY don't wanna use `cargo +nightly fmt`
format_code_in_doc_comments = true
format_strings = true
imports_granularity = "Module"
normalize_comments = true
reorder_impl_items = true
wrap_comments = true
src/a11y.rs
+80
View File
@@ -0,0 +1,80 @@
use futures_util::StreamExt;
use launch_pad::ProcessManager;
use tokio::sync::mpsc;
use tracing::Instrument;
const ORCA: Option<&'static str> = option_env!("ORCA");
pub async fn start_a11y(
env_vars: Vec<(String, String)>,
pman: ProcessManager,
) -> color_eyre::Result<()> {
let (tx, mut rx) = mpsc::unbounded_channel();
let mut process_key = None;
let conn = zbus::Connection::session().await?;
let proxy = cosmic_dbus_a11y::StatusProxy::new(&conn).await?;
tokio::spawn(async move {
let mut watch_changes = proxy.receive_screen_reader_enabled_changed().await;
let mut enabled = false;
if let Ok(status) = proxy.screen_reader_enabled().await {
_ = tx.send(status);
enabled = status;
}
while let Some(change) = watch_changes.next().await {
let Ok(new_enabled) = change.get().await else {
tokio::time::sleep(tokio::time::Duration::from_secs(10)).await;
continue;
};
if enabled != new_enabled {
_ = tx.send(new_enabled);
enabled = new_enabled;
}
}
});
while let Some(enabled) = rx.recv().await {
let stdout_span = info_span!(parent: None, "screen-reader");
let stderr_span = stdout_span.clone();
if enabled && process_key.is_none() {
// spawn orca
match pman
.start(
launch_pad::process::Process::new()
.with_executable(ORCA.unwrap_or("/usr/bin/orca"))
.with_env(env_vars.clone())
.with_on_stdout(move |_, _, line| {
let stdout_span = stdout_span.clone();
async move {
info!("{}", line);
}
.instrument(stdout_span)
})
.with_on_stderr(move |_, _, line| {
let stderr_span = stderr_span.clone();
async move {
warn!("{}", line);
}
.instrument(stderr_span)
}),
)
.await
{
Ok(key) => {
process_key = Some(key);
}
Err(err) => {
tracing::error!("Failed to start screen reader {err:?}");
}
}
} else if !enabled && process_key.is_some() {
// kill orca
info!("Stopping screen reader");
if let Err(err) = pman.stop_process(process_key.take().unwrap()).await {
tracing::error!("Failed to stop screen reader. {err:?}")
}
}
}
Ok(())
}
src/comp.rs
+172
View File
@@ -0,0 +1,172 @@
// SPDX-License-Identifier: GPL-3.0-only
use color_eyre::eyre::{Result, WrapErr};
use launch_pad::ProcessManager;
use launch_pad::process::Process;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::os::unix::prelude::*;
use tokio::io::AsyncReadExt;
use tokio::net::UnixStream;
use tokio::net::unix::OwnedReadHalf;
use tokio::sync::{mpsc, oneshot};
use tokio::task::JoinHandle;
use tokio_util::sync::CancellationToken;
use crate::process::mark_as_not_cloexec;
use crate::service::SessionRequest;
#[derive(Debug, Serialize, Deserialize)]
#[serde(rename_all = "snake_case", tag = "message")]
pub enum Message {
SetEnv { variables: HashMap<String, String> },
}
// Cancellation safe!
#[derive(Default)]
struct IpcState {
env_tx: Option<oneshot::Sender<HashMap<String, String>>>,
length: Option<u16>,
bytes_read: usize,
buf: Vec<u8>,
}
fn parse_and_handle_ipc(state: &mut IpcState) {
match serde_json::from_slice::<Message>(&state.buf) {
Ok(Message::SetEnv { variables }) => {
if let Some(env_tx) = state.env_tx.take() {
env_tx.send(variables).unwrap();
}
}
Err(_) => {
warn!(
"Unknown session socket message, are you using incompatible cosmic-session and \
cosmic-comp versions?"
)
}
}
}
async fn receive_ipc(state: &mut IpcState, rx: &mut OwnedReadHalf) -> Result<()> {
// This is kind of a doozy, but this is kinda complex so it can be
// cancellation-safe.
match state.length {
// We already got the length, and are currently reading the message body.
Some(length) => {
let index = state.bytes_read.saturating_sub(1);
// Add the amount of bytes read to our state.
// I don't think this is entirely cancellation safe, which worries me.
state.bytes_read += rx
.read_exact(&mut state.buf[index..])
.await
.wrap_err("failed to read IPC length")?;
// If we've read enough bytes, parse the message.
if state.bytes_read >= length as usize {
parse_and_handle_ipc(state);
// Set the state back to the default "waiting for a length" mode.
state.length = None;
state.bytes_read = 0;
state.buf.clear();
}
Ok(())
}
None => {
// Resize the state buffer enough to fit a u16./
state.buf.resize(2, 0);
let index = state.bytes_read.saturating_sub(1);
// Read the remaining bytes of the length.
state.bytes_read += rx
.read_exact(&mut state.buf[index..])
.await
.wrap_err("failed to read IPC length")?;
// If we've read two bytes, then parse a native-endian u16 from them.
if state.bytes_read >= 2 {
let length = u16::from_ne_bytes(
state.buf[..2]
.try_into()
.wrap_err("failed to convert IPC length to u16")?,
);
// Set the state to "reading the message body" mode, as we now have the length.
state.length = Some(length);
state.bytes_read = 0;
state.buf.resize(length as usize, 0);
}
Ok(())
}
}
}
pub fn run_compositor(
process_manager: &ProcessManager,
exec: String,
args: Vec<String>,
_token: CancellationToken,
env_tx: oneshot::Sender<HashMap<String, String>>,
session_dbus_tx: mpsc::Sender<SessionRequest>,
) -> Result<JoinHandle<Result<()>>> {
let process_manager = process_manager.clone();
// Create a pair of unix sockets - one for us (session),
// one for the compositor (comp)
let (session, comp) = UnixStream::pair().wrap_err("failed to create pair of unix sockets")?;
let (mut session_rx, _session_tx) = session.into_split();
// Convert our compositor socket to a non-blocking file descriptor.
let comp = {
let std_stream = comp
.into_std()
.wrap_err("failed to convert compositor unix stream to a standard unix stream")?;
std_stream
.set_nonblocking(false)
.wrap_err("failed to mark compositor unix stream as blocking")?;
OwnedFd::from(std_stream)
};
mark_as_not_cloexec(&comp).expect("Failed to mark fd as not cloexec");
Ok(tokio::spawn(async move {
// Create a new process handler for cosmic-comp, with our compositor socket's
// file descriptor as the `COSMIC_SESSION_SOCK` environment variable.
process_manager
.start_process(
Process::new()
.with_executable(exec)
.with_args(args)
.with_env([("COSMIC_SESSION_SOCK", comp.as_raw_fd().to_string())])
.with_on_exit(move |pman, _, err_code, _will_restart| {
let session_dbus_tx = session_dbus_tx.clone();
async move {
pman.stop();
if err_code == Some(0) {
info!("cosmic-comp exited successfully");
session_dbus_tx.send(SessionRequest::Exit).await.unwrap();
} else if let Some(err_code) = err_code {
error!("cosmic-comp exited with error code {}", err_code);
session_dbus_tx.send(SessionRequest::Restart).await.unwrap();
} else {
warn!("cosmic-comp exited by signal");
session_dbus_tx.send(SessionRequest::Restart).await.unwrap();
}
}
}),
)
.await
.expect("failed to launch compositor");
// Create a new state object for IPC purposes.
let mut ipc_state = IpcState {
env_tx: Some(env_tx),
..IpcState::default()
};
loop {
tokio::select! {
/*
exit = receive_event(&mut rx) => if exit.is_none() {
break;
},
*/
// Receive IPC messages from the process,
// exiting the loop if IPC errors.
result = receive_ipc(&mut ipc_state, &mut session_rx) => if let Err(err) = result {
error!("failed to receive IPC: {:?}", err);
break;
},
}
}
Result::<()>::Ok(())
}))
}
src/main.rs
+560
View File
@@ -0,0 +1,560 @@
// SPDX-License-Identifier: GPL-3.0-only
#[macro_use]
extern crate tracing;
mod a11y;
mod comp;
mod notifications;
mod process;
mod service;
mod systemd;
use color_eyre::Result;
use color_eyre::eyre::WrapErr;
use launch_pad::ProcessManager;
use launch_pad::process::Process;
use service::SessionRequest;
use std::borrow::Cow;
#[cfg(feature = "autostart")]
use std::collections::HashSet;
use std::env;
use std::os::fd::AsRawFd;
#[cfg(feature = "autostart")]
use std::path::PathBuf;
#[cfg(feature = "autostart")]
use std::process::{Command, Stdio};
use std::sync::Arc;
#[cfg(feature = "systemd")]
use systemd::{get_systemd_env, is_systemd_used, spawn_scope};
use tokio::signal::unix::{SignalKind, signal};
use tokio::sync::mpsc::{Receiver, Sender};
use tokio::sync::{Mutex, oneshot};
use tokio::time::Duration;
use tokio_util::sync::CancellationToken;
use tracing::Instrument;
use tracing::metadata::LevelFilter;
use tracing_subscriber::prelude::*;
use tracing_subscriber::{EnvFilter, fmt};
use crate::notifications::{
DAEMON_NOTIFICATIONS_FD, PANEL_NOTIFICATIONS_FD, notifications_process,
};
#[cfg(feature = "autostart")]
const AUTOSTART_DIR: &'static str = "autostart";
#[cfg(feature = "autostart")]
const ENVIRONMENT_NAME: &'static str = "COSMIC";
#[tokio::main(flavor = "current_thread")]
async fn main() -> Result<()> {
color_eyre::install().wrap_err("failed to install color_eyre error handler")?;
let trace = tracing_subscriber::registry();
let env_filter = EnvFilter::builder()
.with_default_directive(LevelFilter::INFO.into())
.from_env_lossy();
#[cfg(feature = "systemd")]
if let Ok(journald) = tracing_journald::layer() {
trace
.with(journald)
.with(env_filter)
.try_init()
.wrap_err("failed to initialize logger")?;
} else {
trace
.with(fmt::layer())
.with(env_filter)
.try_init()
.wrap_err("failed to initialize logger")?;
warn!("failed to connect to journald")
}
#[cfg(not(feature = "systemd"))]
trace
.with(fmt::layer())
.with(env_filter)
.try_init()
.wrap_err("failed to initialize logger")?;
log_panics::init();
let (session_tx, mut session_rx) = tokio::sync::mpsc::channel(10);
let session_tx_clone = session_tx.clone();
let _conn = zbus::connection::Builder::session()?
.name("com.system76.CosmicSession")?
.serve_at(
"/com/system76/CosmicSession",
service::SessionService { session_tx },
)?
.build()
.await?;
loop {
match start(session_tx_clone.clone(), &mut session_rx).await {
Ok(Status::Exited) => {
info!("Exited cleanly");
break;
}
Ok(Status::Restarted) => {
info!("Restarting");
}
Err(error) => {
error!("Restarting after error: {:?}", error);
}
};
// Drain the session channel.
while session_rx.try_recv().is_ok() {}
}
Ok(())
}
#[derive(Debug)]
pub enum Status {
Restarted,
Exited,
}
async fn start(
session_tx: Sender<SessionRequest>,
session_rx: &mut Receiver<SessionRequest>,
) -> Result<Status> {
info!("Starting cosmic-session");
let mut args = env::args().skip(1);
let (executable, args) = (
args.next().unwrap_or_else(|| String::from("cosmic-comp")),
args.collect::<Vec<_>>(),
);
let process_manager = ProcessManager::new().await;
_ = process_manager.set_max_restarts(usize::MAX).await;
_ = process_manager
.set_restart_mode(launch_pad::RestartMode::ExponentialBackoff(
Duration::from_millis(10),
))
.await;
let token = CancellationToken::new();
let (env_tx, env_rx) = oneshot::channel();
let compositor_handle = comp::run_compositor(
&process_manager,
executable.clone(),
args,
token.child_token(),
env_tx,
session_tx,
)
.wrap_err("failed to start compositor")?;
let mut env_vars = env_rx
.await
.expect("failed to receive environmental variables")
.into_iter()
.collect::<Vec<_>>();
info!(
"got environmental variables from cosmic-comp: {:?}",
env_vars
);
// now that cosmic-comp is ready, set XDG_SESSION_TYPE=wayland for new processes
env_vars.push(("XDG_SESSION_TYPE".to_string(), "wayland".to_string()));
systemd::set_systemd_environment("XDG_SESSION_TYPE", "wayland").await;
#[cfg(feature = "systemd")]
let _inhibit_fd = if *is_systemd_used() {
match get_systemd_env().await {
Ok(env) => {
for systemd_env in env {
// Only update the envvar if unset
if std::env::var_os(&systemd_env.key).is_none() {
// Blacklist of envvars that we shouldn't touch (taken from KDE)
if (!systemd_env.key.starts_with("XDG_")
|| systemd_env.key == "XDG_DATA_DIRS"
|| systemd_env.key == "XDG_CONFIG_DIRS")
&& systemd_env.key != "DISPLAY"
&& systemd_env.key != "XAUTHORITY"
&& systemd_env.key != "WAYLAND_DISPLAY"
&& systemd_env.key != "WAYLAND_SOCKET"
&& systemd_env.key != "_"
&& systemd_env.key != "SHELL"
&& systemd_env.key != "SHLVL"
{
env_vars.push((systemd_env.key, systemd_env.value));
}
}
}
}
Err(err) => {
warn!("Failed to sync systemd environment {}.", err);
}
};
#[cfg(feature = "logind")]
match zbus::Connection::system().await {
Ok(connection) => match logind_zbus::manager::ManagerProxy::new(&connection).await {
Ok(proxy) => match proxy
.inhibit(
logind_zbus::manager::InhibitType::HandlePowerKey,
"Cosmic Session",
"Show confirmation dialog.",
"block",
)
.await
{
Ok(fd) => Some(fd),
Err(err) => {
error!("Failed to inhibit power key {err:?}");
None
}
},
Err(err) => {
error!("Failed to connect to logind manager {err:?}");
None
}
},
Err(err) => {
error!("Failed to connect to system dbus {err:?}");
None
}
}
#[cfg(not(feature = "logind"))]
None
} else {
None
};
let stdout_span = info_span!(parent: None, "cosmic-settings-daemon");
let stderr_span = stdout_span.clone();
let (settings_exit_tx, settings_exit_rx) = oneshot::channel();
let settings_exit_tx = Arc::new(std::sync::Mutex::new(Some(settings_exit_tx)));
let settings_daemon = process_manager
.start(
Process::new()
.with_executable("cosmic-settings-daemon")
.with_env(env_vars.iter().cloned())
.with_on_stdout(move |_, _, line| {
let stdout_span = stdout_span.clone();
async move {
info!("{}", line);
}
.instrument(stdout_span)
})
.with_on_stderr(move |_, _, line| {
let stderr_span = stderr_span.clone();
async move {
warn!("{}", line);
}
.instrument(stderr_span)
})
.with_on_exit(move |_, _, _, will_restart| {
if !will_restart && let Some(tx) = settings_exit_tx.lock().unwrap().take() {
_ = tx.send(());
}
async {}
}),
)
.await
.expect("failed to start settings daemon");
// notifying the user service manager that we've reached the
// graphical-session.target, which should only happen after:
// - cosmic-comp is ready
// - we've set any related variables
// - cosmic-settings-daemon is ready
systemd::start_systemd_target().await;
// Always stop the target when the process exits or panics.
scopeguard::defer! {
systemd::stop_systemd_target();
}
// start a11y if configured
tokio::spawn(a11y::start_a11y(env_vars.clone(), process_manager.clone()));
let (panel_notifications_fd, daemon_notifications_fd) =
notifications::create_socket().expect("Failed to create notification socket");
let mut daemon_env_vars = env_vars.clone();
daemon_env_vars.push((
DAEMON_NOTIFICATIONS_FD.to_string(),
daemon_notifications_fd.as_raw_fd().to_string(),
));
let mut panel_env_vars = env_vars.clone();
panel_env_vars.push((
PANEL_NOTIFICATIONS_FD.to_string(),
panel_notifications_fd.as_raw_fd().to_string(),
));
let panel_key = Arc::new(Mutex::new(None));
let notif_key = Arc::new(Mutex::new(None));
let notifications_span = info_span!(parent: None, "cosmic-notifications");
let panel_span = info_span!(parent: None, "cosmic-panel");
let mut guard = notif_key.lock().await;
*guard = Some(
process_manager
.start(notifications_process(
notifications_span.clone(),
"cosmic-notifications",
notif_key.clone(),
daemon_env_vars.clone(),
daemon_notifications_fd,
panel_span.clone(),
"cosmic-panel",
panel_key.clone(),
panel_env_vars.clone(),
))
.await
.expect("failed to start notifications daemon"),
);
drop(guard);
let mut guard = panel_key.lock().await;
*guard = Some(
process_manager
.start(notifications_process(
panel_span,
"cosmic-panel",
panel_key.clone(),
panel_env_vars,
panel_notifications_fd,
notifications_span,
"cosmic-notifications",
notif_key,
daemon_env_vars,
))
.await
.expect("failed to start panel"),
);
drop(guard);
let span = info_span!(parent: None, "cosmic-app-library");
start_component("cosmic-app-library", span, &process_manager, &env_vars).await;
let span = info_span!(parent: None, "cosmic-launcher");
start_component("cosmic-launcher", span, &process_manager, &env_vars).await;
let span = info_span!(parent: None, "cosmic-workspaces");
start_component("cosmic-workspaces", span, &process_manager, &env_vars).await;
let span = info_span!(parent: None, "cosmic-osd");
start_component("cosmic-osd", span, &process_manager, &env_vars).await;
let span = info_span!(parent: None, "cosmic-bg");
start_component("cosmic-bg", span, &process_manager, &env_vars).await;
let span = info_span!(parent: None, "cosmic-greeter");
start_component("cosmic-greeter", span, &process_manager, &env_vars).await;
let span = info_span!(parent: None, "cosmic-files-applet");
start_component("cosmic-files-applet", span, &process_manager, &env_vars).await;
let span = info_span!(parent: None, "cosmic-idle");
start_component("cosmic-idle", span, &process_manager, &env_vars).await;
#[cfg(feature = "autostart")]
if !*is_systemd_used() {
info!("looking for autostart folders");
let mut directories_to_scan = Vec::new();
// we start by taking user specific directories, so that we can deduplicate and
// ensure user overrides are respected
// user specific directories
if let Some(user_config_dir) = dirs::config_dir() {
directories_to_scan.push(user_config_dir.join(AUTOSTART_DIR));
}
// system-wide directories
if let Some(xdg_config_dirs) = env::var_os("XDG_CONFIG_DIRS") {
let xdg_config_dirs = xdg_config_dirs
.into_string()
.expect("Invalid XDG_CONFIG_DIRS");
let dir_list = xdg_config_dirs.split(":");
for dir in dir_list {
directories_to_scan.push(PathBuf::from(dir).join(AUTOSTART_DIR));
}
} else {
directories_to_scan.push(PathBuf::from("/etc/xdg/").join(AUTOSTART_DIR));
}
info!("found autostart folders: {:?}", directories_to_scan);
let mut dedupe = HashSet::new();
let iter = freedesktop_desktop_entry::Iter::new(directories_to_scan.into_iter());
let autostart_env = env_vars.clone();
for entry in iter.entries::<&str>(None) {
// we've already tried to execute this!
if dedupe.contains(&entry.appid) {
continue;
}
// skip if we have an OnlyShowIn entry that doesn't include COSMIC
if let Some(only_show_in) = entry.only_show_in() {
if !only_show_in.contains(&ENVIRONMENT_NAME) {
continue;
}
}
// ... OR we have a NotShowIn entry that includes COSMIC
if let Some(not_show_in) = entry.not_show_in() {
if not_show_in.contains(&ENVIRONMENT_NAME) {
continue;
}
}
info!(
"trying to start appid {} ({})",
entry.appid,
entry.path.display()
);
if let Some(exec_raw) = entry.exec() {
let mut exec_words = exec_raw.split(" ");
if let Some(program_name) = exec_words.next() {
// filter out any placeholder args, since we might not be able to deal with them
let filtered_args = exec_words
.filter(|s| !s.starts_with("%"))
.collect::<Vec<_>>();
// escape them
let escaped_args = shell_words::split(&*filtered_args.join(" "));
if let Ok(args) = escaped_args {
info!("trying to start {} {}", program_name, args.join(" "));
let mut command = Command::new(program_name);
command.args(args);
// add relevant envs
for (k, v) in &autostart_env {
command.env(k, v);
}
// detach stdin/out/err (should we?)
let child = command
.stdin(Stdio::null())
.stdout(Stdio::null())
.stderr(Stdio::null())
.spawn();
if let Ok(child) = child {
info!(
"successfully started program {} {}",
entry.appid,
child.id()
);
dedupe.insert(entry.appid);
} else {
info!("could not start program {}", entry.appid);
}
} else {
let why = escaped_args.unwrap_err();
error!(?why, "could not parse arguments");
}
}
}
}
info!("started {} programs", dedupe.len());
}
let mut sigterm = signal(SignalKind::terminate()).expect("Failed to bind SIGTERM handler");
let mut sigint = signal(SignalKind::interrupt()).expect("Failed to bind SIGINT handler");
let mut status = Status::Exited;
let session_dbus_rx_next = session_rx.recv();
tokio::select! {
res = session_dbus_rx_next => {
match res {
Some(service::SessionRequest::Exit) => {
info!("EXITING: session exited by request");
}
Some(service::SessionRequest::Restart) => {
info!("RESTARTING: session restarted by request");
status = Status::Restarted;
}
None => {
warn!("exit channel dropped session");
}
}
},
_ = sigterm.recv() => {
info!("EXITING: received SIGTERM request to terminate");
},
_ = sigint.recv() => {
info!("EXITING: received SIGINT request to terminate");
}
}
compositor_handle.abort();
token.cancel();
if let Err(err) = process_manager.stop_process(settings_daemon).await {
tracing::error!(?err, "Failed to gracefully stop settings daemon.");
} else {
match tokio::time::timeout(Duration::from_secs(1), settings_exit_rx).await {
Ok(Ok(_)) => {}
_ => {
tracing::error!("Settings daemon process did not respond to the request to stop.");
}
};
};
tokio::time::sleep(std::time::Duration::from_secs(2)).await;
Ok(status)
}
async fn start_component(
cmd: impl Into<Cow<'static, str>>,
span: tracing::Span,
process_manager: &ProcessManager,
env_vars: &[(String, String)],
) {
let stdout_span = span.clone();
let stderr_span = span.clone();
let stderr_span_clone = stderr_span.clone();
let cmd = cmd.into();
let cmd_clone = cmd.clone();
if let Err(err) = process_manager
.start(
Process::new()
.with_executable(cmd.clone())
.with_env(env_vars.iter().cloned())
.with_on_stdout(move |_, _, line| {
let stdout_span = stdout_span.clone();
async move {
info!("{}", line);
}
.instrument(stdout_span)
})
.with_on_stderr(move |_, _, line| {
let stderr_span = stderr_span.clone();
async move {
warn!("{}", line);
}
.instrument(stderr_span)
})
.with_on_start(move |pman, pkey, _will_restart| async move {
#[cfg(feature = "systemd")]
if *is_systemd_used()
&& let Ok((innr_cmd, Some(pid))) = pman.get_exe_and_pid(pkey).await
&& let Err(err) = spawn_scope(innr_cmd.clone(), vec![pid]).await
{
warn!(
"Failed to spawn scope for {}. Creating transient unit failed with {}",
innr_cmd, err
);
};
})
.with_on_exit(move |mut _pman, _key, err_code, _will_restart| {
if let Some(err) = err_code {
error!("{cmd_clone} exited with error {}", err.to_string());
}
async {}
}),
)
.await
{
let _enter = stderr_span_clone.enter();
error!("failed to start {}: {}", cmd, err);
}
}
src/notifications.rs
+126
View File
@@ -0,0 +1,126 @@
use color_eyre::Result;
use color_eyre::eyre::Context;
use launch_pad::ProcessKey;
use launch_pad::process::Process;
use rustix::fd::AsRawFd;
use std::os::fd::OwnedFd;
use std::os::unix::net::UnixStream;
use std::sync::Arc;
use tokio::sync::Mutex;
use tracing::Instrument;
pub const PANEL_NOTIFICATIONS_FD: &str = "PANEL_NOTIFICATIONS_FD";
pub const DAEMON_NOTIFICATIONS_FD: &str = "DAEMON_NOTIFICATIONS_FD";
pub fn create_socket() -> Result<(OwnedFd, OwnedFd)> {
// Create a new pair of unnamed Unix sockets
let (sock_1, sock_2) = UnixStream::pair().wrap_err("failed to create socket pair")?;
// Turn the sockets into non-blocking fd, which we can pass to the child
// process
sock_1
.set_nonblocking(true)
.wrap_err("failed to mark client socket as non-blocking")?;
sock_2
.set_nonblocking(true)
.wrap_err("failed to mark client socket as non-blocking")?;
Ok((OwnedFd::from(sock_1), OwnedFd::from(sock_2)))
}
#[allow(clippy::too_many_arguments)]
pub fn notifications_process(
span: tracing::Span,
cmd: &'static str,
key: Arc<Mutex<Option<ProcessKey>>>,
mut env_vars: Vec<(String, String)>,
fd: OwnedFd,
restart_span: tracing::Span,
restart_cmd: &'static str,
restart_key: Arc<Mutex<Option<ProcessKey>>>,
restart_env_vars: Vec<(String, String)>,
) -> Process {
env_vars.retain(|v| &v.0 != "WAYLAND_SOCKET");
let stdout_span = span.clone();
let stderr_span = span.clone();
let env_clone = env_vars.clone();
Process::new()
.with_executable(cmd)
.with_fds(move || vec![fd])
.with_on_stdout(move |_, _, line| {
let stdout_span = stdout_span.clone();
async move {
info!("{}", line);
}
.instrument(stdout_span)
})
.with_on_stderr(move |_, _, line| {
let stderr_span = stderr_span.clone();
async move {
warn!("{}", line);
}
.instrument(stderr_span)
})
.with_on_exit(move |pman, my_key, _, will_restart| {
// force restart of notifications / panel when the other exits
// also update the environment variables to use the new socket
let (my_fd, their_fd) = create_socket().expect("Failed to create notification socket");
let mut my_env_vars = env_clone.clone();
if let Some((_k, v)) = my_env_vars
.iter_mut()
.find(|(k, _v)| k == PANEL_NOTIFICATIONS_FD || k == DAEMON_NOTIFICATIONS_FD)
{
*v = my_fd.as_raw_fd().to_string();
}
let mut their_env_vars = restart_env_vars.clone();
if let Some((_k, v)) = their_env_vars
.iter_mut()
.find(|(k, _v)| k == PANEL_NOTIFICATIONS_FD || k == DAEMON_NOTIFICATIONS_FD)
{
*v = their_fd.as_raw_fd().to_string();
}
let new_process = notifications_process(
restart_span.clone(),
restart_cmd,
restart_key.clone(),
their_env_vars.clone(),
their_fd,
span.clone(),
cmd,
key.clone(),
my_env_vars.clone(),
);
let restart_key = restart_key.clone();
let mut pman_clone = pman.clone();
async move {
if will_restart {
if let Err(why) = pman_clone.update_process_env(&my_key, my_env_vars).await {
error!(?why, "Failed to update environment variables");
}
if let Err(why) = pman_clone
.update_process_fds(&my_key, move || vec![my_fd])
.await
{
error!(?why, "Failed to update fds");
}
let Some(old) = *restart_key.lock().await else {
error!("Couldn't stop previous invocation of {}", cmd);
return;
};
_ = pman.stop_process(old).await;
if let Ok(new) = pman.start(new_process).await {
let mut guard = restart_key.lock().await;
*guard = Some(new);
}
}
}
})
.with_env(env_vars)
}
src/process.rs
+10
View File
@@ -0,0 +1,10 @@
// SPDX-License-Identifier: GPL-3.0-only
use color_eyre::eyre::{Result, WrapErr};
use rustix::io::FdFlags;
use std::os::unix::prelude::*;
pub(crate) fn mark_as_not_cloexec(file: &impl AsFd) -> Result<()> {
let flags = rustix::io::fcntl_getfd(file).wrap_err("failed to get GETFD value of stream")?;
rustix::io::fcntl_setfd(file, flags.difference(FdFlags::CLOEXEC))
.wrap_err("failed to unset CLOEXEC on file")
}
src/service.rs
+25
View File
@@ -0,0 +1,25 @@
// SPDX-License-Identifier: GPL-3.0-only
use tokio::sync::mpsc;
use zbus::interface;
pub enum SessionRequest {
Exit,
Restart,
}
pub struct SessionService {
pub session_tx: mpsc::Sender<SessionRequest>,
}
#[interface(name = "com.system76.CosmicSession")]
impl SessionService {
async fn exit(&mut self) {
warn!("exiting session");
_ = self.session_tx.send(SessionRequest::Exit).await;
}
async fn restart(&self) {
warn!("restarting session");
_ = self.session_tx.send(SessionRequest::Restart).await;
}
}
src/systemd.rs
+109
View File
@@ -0,0 +1,109 @@
// SPDX-License-Identifier: GPL-3.0-only
use std::path::Path;
use std::process::{Command, Stdio};
use std::sync::OnceLock;
use zbus::Connection;
use zbus::zvariant::{Array, OwnedValue};
#[derive(Debug)]
pub struct EnvVar {
pub key: String,
pub value: String,
}
impl From<(&str, &str)> for EnvVar {
fn from(val: (&str, &str)) -> Self {
EnvVar {
key: val.0.to_owned(),
value: val.1.to_owned(),
}
}
}
#[cfg(feature = "systemd")]
use zbus_systemd::systemd1::ManagerProxy as SystemdManagerProxy;
pub async fn set_systemd_environment(key: &str, value: &str) {
run_optional_command(
"systemctl",
&["--user", "set-environment", &format!("{key}={value}")],
)
}
pub async fn start_systemd_target() {
run_optional_command(
"systemctl",
&["--user", "start", "--no-block", "cosmic-session.target"],
)
}
pub fn stop_systemd_target() {
run_optional_command(
"systemctl",
&["--user", "stop", "--no-block", "cosmic-session.target"],
)
}
/// Determine if systemd is used as the init system. This should work on all
/// linux distributions.
pub fn is_systemd_used() -> &'static bool {
static IS_SYSTEMD_USED: OnceLock<bool> = OnceLock::new();
IS_SYSTEMD_USED.get_or_init(|| Path::new("/run/systemd/system").exists())
}
#[cfg(feature = "systemd")]
pub async fn get_systemd_env() -> Result<Vec<EnvVar>, zbus::Error> {
let connection = Connection::session().await?;
let systemd_manager = SystemdManagerProxy::new(&connection).await?;
let systemd_env = systemd_manager.environment().await?;
let mut out: Vec<EnvVar> = Vec::new();
for i in systemd_env {
if let Some(b) = i.split_once("=") {
out.push(b.into());
}
}
Ok(out)
}
#[cfg(feature = "systemd")]
/// Spawn a systemd scope unit with the given name and PIDs.
pub async fn spawn_scope(mut command: String, pids: Vec<u32>) -> Result<(), zbus::Error> {
let connection = Connection::session().await?;
let systemd_manager = SystemdManagerProxy::new(&connection).await?;
let pids = OwnedValue::try_from(Array::from(pids)).unwrap();
let properties: Vec<(String, OwnedValue)> = vec![(String::from("PIDs"), pids)];
if command.starts_with('/') {
// use the last component of the path as the unit name
command = command.rsplit('/').next().unwrap().to_string();
}
let scope_name = format!("{}.scope", command);
systemd_manager
.start_transient_unit(
scope_name.to_string(),
String::from("replace"),
properties,
Vec::new(),
)
.await?;
Ok(())
}
/// run a command, but log errors instead of returning them or panicking
fn run_optional_command(cmd: &str, args: &[&str]) {
match Command::new(cmd).args(args).stdin(Stdio::null()).status() {
Ok(status) => {
if !status.success() {
match status.code() {
Some(code) => warn!("{} {}: exit code {}", cmd, args.join(" "), code),
None => warn!("{} {}: terminated by signal", cmd, args.join(" ")),
}
}
}
Err(error) => {
warn!("unable to start {} {}: {}", cmd, args.join(" "), error);
}
}
}