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-rw-r--r--.local/lib/xdg.sh27
1 files changed, 24 insertions, 3 deletions
diff --git a/.local/lib/xdg.sh b/.local/lib/xdg.sh
index 2241d2e..20fab4b 100644
--- a/.local/lib/xdg.sh
+++ b/.local/lib/xdg.sh
@@ -17,7 +17,28 @@ if [[ -n $XDG_RUNTIME_DIR ]] && [[ ! -d $XDG_RUNTIME_DIR ]]; then
fi
# Set XDG_RUNTIME_DIR if we can
-if [[ -z $XDG_RUNTIME_DIR ]] && [[ -n $TMPDIR ]]; then
- export XDG_RUNTIME_DIR="$TMPDIR/xdg-runtime"
- install -dm0700 "$XDG_RUNTIME_DIR"
+if [[ -z $XDG_RUNTIME_DIR ]] && type flock &>/dev/null; then
+ _diy_xdg_runtime_login() {
+ export XDG_RUNTIME_DIR="$XDG_CACHE_HOME/xdg-runtime-dir/$HOSTNAME"
+ readonly XDG_RUNTIME_DIR
+ # There's a race condition here, between the `ln -s` and `flock`.
+ # But it's not like I'll be hammering a box with logins.
+ if [[ ! -d "$XDG_CACHE_HOME" ]]; then
+ local tmp="$(mktemp --tmpdir -- "${USER}@${HOSTNAME}-runtime.XXXXXXXXXX")"
+ mkdir -p -- "$XDG_CACHE_HOME/xdg-runtime-dir"
+ ln -sfT -- "$tmp" "$XDG_RUNTIME_DIR"
+ fi
+ if ! [[ /dev/fd/7 -ef "$XDG_CACHE_HOME/xdg-runtime-dir/.lock" ]]; then
+ exec 7 >"$XDG_CACHE_HOME/xdg-runtime-dir/.lock"
+ fi
+ if flock -sn 7; then
+ trap _diy_xdg_runtime_logout EXIT
+ fi
+ }
+ _diy_xdg_runtime_logout() {
+ if flock -xn 7; then
+ rm -rf -- "$(readlink "$XDG_RUNTIME_DIR")"
+ fi
+ }
+ _diy_xdg_runtime_login
fi