mirror of
https://github.com/nix-community/home-manager
synced 2024-11-04 18:29:45 +01:00
46 lines
1.1 KiB
Bash
Executable file
46 lines
1.1 KiB
Bash
Executable file
function setupVars() {
|
|
local profilesPath="/nix/var/nix/profiles/per-user/$USER"
|
|
local gcPath="/nix/var/nix/gcroots/per-user/$USER"
|
|
local greatestGenNum
|
|
|
|
greatestGenNum=$( \
|
|
find "$profilesPath" -name 'home-manager-*-link' \
|
|
| sed 's/^.*-\([0-9]*\)-link$/\1/' \
|
|
| sort -rn \
|
|
| head -1)
|
|
|
|
if [[ -n "$greatestGenNum" ]] ; then
|
|
oldGenNum=$greatestGenNum
|
|
newGenNum=$((oldGenNum + 1))
|
|
else
|
|
newGenNum=1
|
|
fi
|
|
|
|
if [[ -e "$gcPath/current-home" ]] ; then
|
|
oldGenPath="$(readlink -e "$gcPath/current-home")"
|
|
fi
|
|
|
|
newGenPath="@GENERATION_DIR@";
|
|
newGenProfilePath="$profilesPath/home-manager-$newGenNum-link"
|
|
newGenGcPath="$gcPath/current-home"
|
|
}
|
|
|
|
setupVars
|
|
|
|
echo "Starting home manager activation"
|
|
|
|
if [[ $DRY_RUN ]] ; then
|
|
echo "This is a dry run"
|
|
export DRY_RUN_CMD=echo
|
|
else
|
|
echo "This is a live run"
|
|
unset DRY_RUN_CMD
|
|
fi
|
|
|
|
echo "Activation variables:"
|
|
echo " oldGenNum=$oldGenNum"
|
|
echo " newGenNum=$newGenNum"
|
|
echo " oldGenPath=$oldGenPath"
|
|
echo " newGenPath=$newGenPath"
|
|
echo " newGenProfilePath=$newGenProfilePath"
|
|
echo " newGenGcPath=$newGenGcPath"
|