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https://github.com/nix-community/home-manager
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home-manager: extract inline shell script to file
This commit is contained in:
Smaug123
Robert Helgesson
parent
782eed8bb6
commit
b787726a84
2 changed files with 59 additions and 51 deletions
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@ -79,59 +79,14 @@ in
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(mapAttrsToList (n: v: v.target)
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(mapAttrsToList (n: v: v.target)
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(filterAttrs (n: v: v.force) cfg));
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(filterAttrs (n: v: v.force) cfg));
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check = pkgs.writeText "check" ''
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storeDir = escapeShellArg builtins.storeDir;
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${config.lib.bash.initHomeManagerLib}
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# A symbolic link whose target path matches this pattern will be
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check = pkgs.substituteAll {
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# considered part of a Home Manager generation.
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src = ./files/check-link-targets.sh;
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homeFilePattern="$(readlink -e ${escapeShellArg builtins.storeDir})/*-home-manager-files/*"
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forcedPaths=(${forcedPaths})
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inherit (config.lib.bash) initHomeManagerLib;
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inherit forcedPaths storeDir;
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newGenFiles="$1"
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};
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shift
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for sourcePath in "$@" ; do
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relativePath="''${sourcePath#$newGenFiles/}"
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targetPath="$HOME/$relativePath"
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forced=""
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for forcedPath in "''${forcedPaths[@]}"; do
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if [[ $targetPath == $forcedPath* ]]; then
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forced="yeah"
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break
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fi
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done
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if [[ -n $forced ]]; then
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verboseEcho "Skipping collision check for $targetPath"
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elif [[ -e "$targetPath" \
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&& ! "$(readlink "$targetPath")" == $homeFilePattern ]] ; then
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# The target file already exists and it isn't a symlink owned by Home Manager.
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if cmp -s "$sourcePath" "$targetPath"; then
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# First compare the files' content. If they're equal, we're fine.
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warnEcho "Existing file '$targetPath' is in the way of '$sourcePath', will be skipped since they are the same"
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elif [[ ! -L "$targetPath" && -n "$HOME_MANAGER_BACKUP_EXT" ]] ; then
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# Next, try to move the file to a backup location if configured and possible
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backup="$targetPath.$HOME_MANAGER_BACKUP_EXT"
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if [[ -e "$backup" ]]; then
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errorEcho "Existing file '$backup' would be clobbered by backing up '$targetPath'"
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collision=1
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else
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warnEcho "Existing file '$targetPath' is in the way of '$sourcePath', will be moved to '$backup'"
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fi
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else
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# Fail if nothing else works
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errorEcho "Existing file '$targetPath' is in the way of '$sourcePath'"
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collision=1
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fi
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fi
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done
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if [[ -v collision ]] ; then
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errorEcho "Please move the above files and try again or use 'home-manager switch -b backup' to back up existing files automatically."
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exit 1
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fi
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'';
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in
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in
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''
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''
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function checkNewGenCollision() {
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function checkNewGenCollision() {
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53
modules/files/check-link-targets.sh
Normal file
53
modules/files/check-link-targets.sh
Normal file
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@ -0,0 +1,53 @@
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# -*- mode: sh; sh-shell: bash -*-
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@initHomeManagerLib@
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# A symbolic link whose target path matches this pattern will be
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# considered part of a Home Manager generation.
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homeFilePattern="$(readlink -e @storeDir@)/*-home-manager-files/*"
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forcedPaths=(@forcedPaths@)
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newGenFiles="$1"
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shift
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for sourcePath in "$@" ; do
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relativePath="${sourcePath#$newGenFiles/}"
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targetPath="$HOME/$relativePath"
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forced=""
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for forcedPath in "${forcedPaths[@]}"; do
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if [[ $targetPath == $forcedPath* ]]; then
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forced="yeah"
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break
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fi
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done
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if [[ -n $forced ]]; then
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verboseEcho "Skipping collision check for $targetPath"
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elif [[ -e "$targetPath" \
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&& ! "$(readlink "$targetPath")" == $homeFilePattern ]] ; then
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# The target file already exists and it isn't a symlink owned by Home Manager.
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if cmp -s "$sourcePath" "$targetPath"; then
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# First compare the files' content. If they're equal, we're fine.
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warnEcho "Existing file '$targetPath' is in the way of '$sourcePath', will be skipped since they are the same"
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elif [[ ! -L "$targetPath" && -n "$HOME_MANAGER_BACKUP_EXT" ]] ; then
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# Next, try to move the file to a backup location if configured and possible
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backup="$targetPath.$HOME_MANAGER_BACKUP_EXT"
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if [[ -e "$backup" ]]; then
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errorEcho "Existing file '$backup' would be clobbered by backing up '$targetPath'"
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collision=1
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else
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warnEcho "Existing file '$targetPath' is in the way of '$sourcePath', will be moved to '$backup'"
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fi
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else
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# Fail if nothing else works
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errorEcho "Existing file '$targetPath' is in the way of '$sourcePath'"
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collision=1
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fi
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fi
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done
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if [[ -v collision ]] ; then
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errorEcho "Please move the above files and try again or use 'home-manager switch -b backup' to back up existing files automatically."
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exit 1
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fi
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