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Diffstat (limited to '.config/login.d/01_xdg.sh')
-rw-r--r--.config/login.d/01_xdg.sh44
1 files changed, 44 insertions, 0 deletions
diff --git a/.config/login.d/01_xdg.sh b/.config/login.d/01_xdg.sh
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+++ b/.config/login.d/01_xdg.sh
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+#!/bin/bash
+# This should be readable by /bin/sh, but I'm going to assume bash.
+
+# Sets up XDG environmental variables, so programs using them don't have to
+# worry about checking if they are set.
+# http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+
+[[ -n $XDG_DATA_HOME ]] || export XDG_DATA_HOME="$HOME/.local/share"
+[[ -n $XDG_CONFIG_HOME ]] || export XDG_CONFIG_HOME="$HOME/.config"
+[[ -n $XDG_DATA_DIRS ]] || export XDG_DATA_DIRS="/usr/local/share/:/usr/share/"
+[[ -n $XDG_CONFIG_DIRS ]] || export XDG_CONFIG_DIRS="/etc/xdg"
+[[ -n $XDG_CACHE_HOME ]] || export XDG_CACHE_HOME="$HOME/.cache"
+
+# Check if XDG_RUNTIME_DIR is set, but has a bogus setting
+if [[ -n $XDG_RUNTIME_DIR ]] && [[ ! -d $XDG_RUNTIME_DIR ]]; then
+ unset XDG_RUNTIME_DIR
+fi
+
+# Set XDG_RUNTIME_DIR if we can
+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