mirror of
https://github.com/nix-community/home-manager
synced 2024-11-05 02:39:45 +01:00
54 lines
1.8 KiB
Bash
54 lines
1.8 KiB
Bash
|
# -*- mode: sh; sh-shell: bash -*-
|
||
|
|
|
||
|
|
@initHomeManagerLib@
|
||
|
|
|
||
|
|
# A symbolic link whose target path matches this pattern will be
|
||
|
|
# considered part of a Home Manager generation.
|
||
|
|
homeFilePattern="$(readlink -e @storeDir@)/*-home-manager-files/*"
|
||
|
|
|
||
|
|
forcedPaths=(@forcedPaths@)
|
||
|
|
|
||
|
|
newGenFiles="$1"
|
||
|
|
shift
|
||
|
|
for sourcePath in "$@" ; do
|
||
|
|
relativePath="${sourcePath#$newGenFiles/}"
|
||
|
|
targetPath="$HOME/$relativePath"
|
||
|
|
|
||
|
|
forced=""
|
||
|
|
for forcedPath in "${forcedPaths[@]}"; do
|
||
|
|
if [[ $targetPath == $forcedPath* ]]; then
|
||
|
|
forced="yeah"
|
||
|
|
break
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
|
||
|
|
if [[ -n $forced ]]; then
|
||
|
|
verboseEcho "Skipping collision check for $targetPath"
|
||
|
|
elif [[ -e "$targetPath" \
|
||
|
|
&& ! "$(readlink "$targetPath")" == $homeFilePattern ]] ; then
|
||
|
|
# The target file already exists and it isn't a symlink owned by Home Manager.
|
||
|
|
if cmp -s "$sourcePath" "$targetPath"; then
|
||
|
|
# First compare the files' content. If they're equal, we're fine.
|
||
|
|
warnEcho "Existing file '$targetPath' is in the way of '$sourcePath', will be skipped since they are the same"
|
||
|
|
elif [[ ! -L "$targetPath" && -n "$HOME_MANAGER_BACKUP_EXT" ]] ; then
|
||
|
|
# Next, try to move the file to a backup location if configured and possible
|
||
|
|
backup="$targetPath.$HOME_MANAGER_BACKUP_EXT"
|
||
|
|
if [[ -e "$backup" ]]; then
|
||
|
|
errorEcho "Existing file '$backup' would be clobbered by backing up '$targetPath'"
|
||
|
|
collision=1
|
||
|
|
else
|
||
|
|
warnEcho "Existing file '$targetPath' is in the way of '$sourcePath', will be moved to '$backup'"
|
||
|
|
fi
|
||
|
|
else
|
||
|
|
# Fail if nothing else works
|
||
|
|
errorEcho "Existing file '$targetPath' is in the way of '$sourcePath'"
|
||
|
|
collision=1
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
|
||
|
|
if [[ -v collision ]] ; then
|
||
|
|
errorEcho "Please move the above files and try again or use 'home-manager switch -b backup' to back up existing files automatically."
|
||
|
|
exit 1
|
||
|
|
fi
|