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authorPhilip McGrath <philip@philipmcgrath.com>2022-07-03 22:35:02 -0400
committerLudovic Courtès <ludo@gnu.org>2022-07-04 23:38:37 +0200
commit23aafc800c9e678662766440916449ec5bbce830 (patch)
tree4a63c70fffb038a6d1a90d92bdd5b22a48f8199c
parenta3d86b341d361530127c36fbfbf77d638df2c1de (diff)
downloadguix-23aafc800c9e678662766440916449ec5bbce830.tar.gz
etc/guix-install.sh: Initialize XDG base directories.
The default values from the XDG base directory specification make little
sense for Guix System, and some scripts in Guix assume that they are not
"empty or unset": for example, see <https://issues.guix.gnu.org/56050>.
On foreign distros, however, omitting the default values is likely to
break software from the distro, perhaps even preventing the desktop
environment from starting. To smooth over the difference, use the
system-wide configuration to ensure the environment variables are always
explicitly set on foreign distros.

* etc/guix-install.sh (sys_create_init_profile): Explicitly initialize
XDG base directory variables.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
-rwxr-xr-xetc/guix-install.sh12
1 files changed, 11 insertions, 1 deletions
diff --git a/etc/guix-install.sh b/etc/guix-install.sh
index cd1a1c34c1..62a33a55c4 100755
--- a/etc/guix-install.sh
+++ b/etc/guix-install.sh
@@ -504,6 +504,16 @@ sys_create_init_profile()
   # This will not take effect until the next shell or desktop session!
     [ -d "/etc/profile.d" ] || mkdir /etc/profile.d # Just in case
     cat <<"EOF" > /etc/profile.d/guix.sh
+# Explicitly initialize XDG base directory variables to ease compatibility
+# with Guix System: see <https://issues.guix.gnu.org/56050#3>.
+export XDG_DATA_HOME="${XDG_DATA_HOME:-$HOME/.local/share}"
+export XDG_CONFIG_HOME="${XDG_CONFIG_HOME:-$HOME/.config}"
+export XDG_STATE_HOME="${XDG_STATE_HOME:-$HOME/.local/state}"
+export XDG_DATA_DIRS="${XDG_DATA_DIRS:-/usr/local/share/:/usr/share/}"
+export XDG_CONFIG_DIRS="${XDG_CONFIG_DIRS:-/etc/xdg}"
+export XDG_CACHE_HOME="${XDG_CACHE_HOME:-$HOME/.cache}"
+# no default for XDG_RUNTIME_DIR (depends on foreign distro for semantics)
+
 # _GUIX_PROFILE: `guix pull` profile
 _GUIX_PROFILE="$HOME/.config/guix/current"
 export PATH="$_GUIX_PROFILE/bin${PATH:+:}$PATH"
@@ -522,7 +532,7 @@ export GUIX_LOCPATH
 [ -f "$GUIX_PROFILE/etc/profile" ] && . "$GUIX_PROFILE/etc/profile"
 
 # set XDG_DATA_DIRS to include Guix installations
-export XDG_DATA_DIRS="$GUIX_PROFILE/share:${XDG_DATA_DIRS:-/usr/local/share/:/usr/share/}"
+export XDG_DATA_DIRS="$GUIX_PROFILE/share:$XDG_DATA_DIRS"
 EOF
 }