mirror of
https://github.com/lhns/steam-frame-nix.git
synced 2026-10-06 01:00:13 +02:00
Pierre Kisters
0d9a238e5a
steamFrame.launchers.<desktop ID> takes the app's own entry (a Flatpak's
export, a Nix package's or a host file) and rewrites only its command lines
(hostEnv, env, flatpakArgs, args, wrappers) and the keys asked for
(mimeTypes, defaultFor, settings), so name, icon, translations and actions
stay the app's and follow its updates.
- Package entries are rewritten at build time; Flatpak/host file entries at
runtime by steam-frame-nix-launchers into
<session.runtimeDir>/steam-frame-nix/applications (tmpfs), on switch, at
login and when Flatpak installs/updates apps (path unit); the Home Manager
links point there.
- keyring.{enable,electron} replaces steamFrame.keyring.{flatpaks,programs}
(clean break: the old options fail with the new form).
- Firefox's launcher is the Flatpak's entry with the profile wrapper in
front (no --profile for the profile manager); Jellyfin's hardware
decoding sets flatpakArgs and env.
- cleanup --all removes the tmpfs entries.
- Check on copies of the real Element, KRDC, Firefox, gedit, Jellyfin and
Claude entries, quoting and generator behaviour.
107 lines
3.8 KiB
Bash
107 lines
3.8 KiB
Bash
# steam-frame-nix-launchers (lib.nix prepends spec, awk_script, runtime,
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# apps, exports): writes the Flatpak/file launchers of steamFrame.launchers
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# to <runtime>/steam-frame-nix/applications (tmpfs), where the links in
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# ~/.local/share/applications point.
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# - one spec file per launcher (desktop ID = file name): rewrite.awk's
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# environment, SFN_FILE for a host file;
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# - an entry is replaced (temp file + rename) only when its content changed;
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# entries without a source (app not installed) or of launchers no longer
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# configured are removed; with an unknown Exec format the launcher is
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# skipped: the entry is a copy of the original (a missing file behind the
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# link would hide the original from the menus);
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# - .<id>.desktop.sum holds the hash of what was written last: a mismatch
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# means someone edited the entry (KDE's "Edit Application"), which is
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# overwritten with a warning;
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# - if anything changed, the mtime of ~/.local/share/applications is updated
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# (a running Steam rescans the "+" menu).
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out=$runtime/steam-frame-nix/applications
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log() { echo "steam-frame-nix-launchers: $*" >&2; }
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if [[ ! -d $runtime ]]; then
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log "$runtime doesn't exist (outer session not running?); skipped"
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exit 0
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fi
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ids=()
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for f in "$spec"/*; do [[ -e $f ]] && ids+=("${f##*/}"); done
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if (( ${#ids[@]} == 0 )) && [[ ! -d $out ]]; then exit 0; fi
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mkdir -p "$out"
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exec 9>"$out/.lock"
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flock 9
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rm -f "$out"/.*.tmp.*
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IFS=: read -ra export_dirs <<< "$exports"
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changed=0
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remove() { # id why
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if [[ -e $out/$1.desktop ]]; then
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rm -f "$out/$1.desktop"
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changed=1
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log "$1: entry removed ($2)"
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fi
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rm -f "$out/.$1.desktop.sum"
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}
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# The link in ~/.local/share/applications is ours unless something replaced it.
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check_link() { # id
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local l=$apps/$1.desktop
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if [[ -e $l || -L $l ]] && [[ $(readlink -m "$l") != "$(readlink -m "$out/$1.desktop")" ]]; then
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log "warning: $l no longer leads to $out/$1.desktop (edited, e.g. with KDE's \"Edit Application\"?); set steamFrame.launchers.\"$1\".settings instead and remove it"
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fi
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}
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generate() { # id
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local id=$1 dst=$out/$1.desktop sum=$out/.$1.desktop.sum src='' d tmp rc
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unset "${!SFN_@}"
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# shellcheck source=/dev/null
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source "$spec/$id"
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if [[ -n $SFN_FILE ]]; then
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[[ -f $SFN_FILE ]] && src=$SFN_FILE
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else
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for d in "${export_dirs[@]}"; do
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if [[ -f $d/$SFN_FLATPAK_ID.desktop ]]; then src=$d/$SFN_FLATPAK_ID.desktop; break; fi
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done
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fi
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if [[ -z $src ]]; then
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remove "$id" "no source entry: ${SFN_FILE:-Flatpak $SFN_FLATPAK_ID not installed}"
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return 0
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fi
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export "${!SFN_@}"
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export SFN_SOURCE=$src
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tmp=$(mktemp "$out/.$id.desktop.tmp.XXXXXX")
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rc=0
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LC_ALL=C gawk -f "$awk_script" "$src" "$src" > "$tmp" 2> "$tmp.err" || rc=$?
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if (( rc == 3 )); then
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log "warning: $id: $(tr -s "\n" " " < "$tmp.err"); launcher not applied, the original entry is used"
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cat "$src" > "$tmp"
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elif (( rc != 0 )); then
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log "error: $id: rewriting $src failed (status $rc): $(tr -s "\n" " " < "$tmp.err")"
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rm -f "$tmp" "$tmp.err"
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return 0
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fi
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rm -f "$tmp.err"
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if [[ -f $dst && -f $sum ]] && [[ $(sha256sum < "$dst") != "$(cat "$sum")" ]]; then
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log "warning: $dst was edited (e.g. with KDE's \"Edit Application\"); overwritten, set steamFrame.launchers.\"$id\".settings instead"
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fi
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if [[ -f $dst ]] && cmp -s "$tmp" "$dst"; then
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rm -f "$tmp"
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else
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chmod 644 "$tmp"
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mv -f "$tmp" "$dst"
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changed=1
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log "$id: entry written from $src"
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fi
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sha256sum < "$dst" > "$sum.tmp.$$"
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mv -f "$sum.tmp.$$" "$sum"
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check_link "$id"
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}
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for id in "${ids[@]}"; do generate "$id"; done
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# Launchers no longer configured.
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for f in "$out"/*.desktop "$out"/.*.desktop.sum; do
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[[ -e $f ]] || continue
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id=${f##*/}; id=${id#.}; id=${id%.sum}; id=${id%.desktop}
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[[ -e $spec/$id ]] || remove "$id" "launcher no longer configured"
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done
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if (( changed )) && [[ -d $apps ]]; then touch -c "$apps"; fi
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