mirror of
https://github.com/lhns/steam-frame-nix.git
synced 2026-10-06 07:00:27 +02:00
Pierre Kisters
2e259c49fe
A failed write of prefs.js.sfn (e.g. a full disk) emptied prefs.js; now prefs.js and the user.js link stay for the next launch to retry.
90 lines
4.2 KiB
Nix
90 lines
4.2 KiB
Nix
# Checks of the Firefox wrapper's desktop profile user.js (wrapper.nix)
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# against a fake flatpak: the link exists only while Firefox runs, a second
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# launch that hands over to the running Firefox doesn't remove it, the value
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# Firefox stored from it leaves prefs.js once the profile is unlocked (not
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# lost if prefs.js can't be rewritten), a user.js of the user's own is never
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# touched, the profile manager action and
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# the Steam session get no --profile.
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{ pkgs }:
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let
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# Fake `flatpak run … org.mozilla.firefox --profile DIR …`: with the
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# profile locked by another process it "forwards" and returns; otherwise it
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# holds .parentlock, records user.js and stores the pref like Firefox does,
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# and runs until $FAKE/release exists.
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fakeFlatpak = pkgs.writeShellScript "flatpak" ''
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while [ $# -gt 0 ] && [ "$1" != --profile ]; do shift; done
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[ $# -gt 0 ] || { echo "default profile" >> $FAKE/log; exit 0; }
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prof=$2
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if find /proc/[0-9]*/fd -lname "$prof/.parentlock" -print -quit 2>/dev/null | grep -q .; then
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echo forwarded >> $FAKE/log; exit 0
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fi
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touch "$prof/.parentlock"; exec 9< "$prof/.parentlock"
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echo "started $(readlink "$prof/user.js" || echo none)" >> $FAKE/log
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[ -L "$prof/user.js" ] && echo 'user_pref("full-screen-api.ignore-widgets", false);' >> "$prof/prefs.js"
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while [ ! -e $FAKE/release ]; do sleep 0.1; done
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exit 3
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'';
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wrapper = pkgs.callPackage ./wrapper.nix {
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profileDir = "$HOME/ff/desktop";
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desktopFix = true;
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};
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# What the launcher's Exec= runs: the wrapper, then the Flatpak's command.
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launcher = "${wrapper} ${fakeFlatpak} run --branch=stable --arch=aarch64 --command=firefox --file-forwarding org.mozilla.firefox";
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in
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pkgs.runCommand "firefox-check" { nativeBuildInputs = [ pkgs.findutils pkgs.gnugrep ]; } ''
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set -euo pipefail
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fail() { echo "FAIL: $*" >&2; cat $FAKE/log >&2 || true; exit 1; }
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export HOME=$PWD/home FAKE=$PWD/fake XDG_CURRENT_DESKTOP=KDE
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mkdir -p $HOME $FAKE; : > $FAKE/log
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p=$HOME/ff/desktop
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# first launch: link made, Firefox runs
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${launcher} @@u https://example.org @@ & first=$!
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for i in $(seq 100); do grep -q started $FAKE/log && break; sleep 0.1; done
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grep -qx 'started /app/etc/firefox/steam-frame-nix-desktop-user.js' $FAKE/log || fail "not linked at start"
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echo 'user_pref("other", 1);' >> $p/prefs.js
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# second launch: hands over, returns, cleans nothing
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${launcher} https://example.com
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grep -qx forwarded $FAKE/log || fail "no forward"
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[ -L $p/user.js ] || fail "second launch removed the link"
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# Firefox exits: link and value gone, exit status passed on
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touch $FAKE/release
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status=0; wait $first || status=$?
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[ $status = 3 ] || fail "status $status"
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[ ! -e $p/user.js ] && [ ! -L $p/user.js ] || fail "link left"
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[ "$(cat $p/prefs.js)" = 'user_pref("other", 1);' ] || fail "prefs.js: $(cat $p/prefs.js)"
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# a user.js of the user's own: untouched
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echo 'user_pref("mine", 1);' > $p/user.js
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echo 'user_pref("full-screen-api.ignore-widgets", false);' >> $p/prefs.js
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${launcher} || true
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[ "$(cat $p/user.js)" = 'user_pref("mine", 1);' ] || fail "own user.js changed"
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grep -q ignore-widgets $p/prefs.js || fail "prefs.js changed with an own user.js"
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rm $p/user.js
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# prefs.js can't be rewritten: it and the link stay; the next launch retries
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echo 'user_pref("other", 1);' > $p/prefs.js
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mkdir $p/prefs.js.sfn
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${launcher} || true
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grep -q other $p/prefs.js && grep -q ignore-widgets $p/prefs.js || fail "prefs.js lost on a write error"
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[ -L $p/user.js ] || fail "link removed on a write error"
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rmdir $p/prefs.js.sfn
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${launcher} || true
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[ "$(cat $p/prefs.js)" = 'user_pref("other", 1);' ] || fail "retry: $(cat $p/prefs.js)"
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[ ! -L $p/user.js ] || fail "retry left the link"
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# profile manager action: no --profile, no link
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: > $FAKE/log
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${launcher} --ProfileManager || true
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grep -qx 'default profile' $FAKE/log || fail "--profile with --ProfileManager"
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[ ! -e $p/user.js ] || fail "linked for the profile manager"
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# Steam session: default profile, no link
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: > $FAKE/log
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XDG_CURRENT_DESKTOP=gamescope ${launcher} || true
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grep -qx 'default profile' $FAKE/log || fail "used --profile in the Steam session"
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[ ! -e $p/user.js ] || fail "linked in the Steam session"
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echo ok
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touch $out
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''
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