mirror of
https://github.com/nix-community/home-manager
synced 2024-11-10 07:04:17 +00:00
Separate home files module from home-environment.nix
This commit is contained in:
Silvan Mosberger
Robert Helgesson
parent
0672936134
commit
f0a1d69f50
3 changed files with 239 additions and 216 deletions
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@ -12,6 +12,7 @@ let
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modules = [
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./home-environment.nix
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./files.nix
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./manual.nix
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./misc/fontconfig.nix
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./misc/gtk.nix
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237
modules/files.nix
Normal file
237
modules/files.nix
Normal file
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@ -0,0 +1,237 @@
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{ pkgs, config, lib, ... }:
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with lib;
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with import ./lib/dag.nix { inherit lib; };
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let
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cfg = config.home.file;
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in
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{
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options = {
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home.file = mkOption {
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description = "Attribute set of files to link into the user home.";
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default = {};
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type = types.loaOf (types.submodule (
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{ name, config, ... }: {
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options = {
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target = mkOption {
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type = types.str;
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description = ''
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Path to target file relative to <envar>HOME</envar>.
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'';
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};
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text = mkOption {
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default = null;
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type = types.nullOr types.lines;
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description = "Text of the file.";
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};
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source = mkOption {
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type = types.path;
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description = ''
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Path of the source file. The file name must not start
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with a period since Nix will not allow such names in
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the Nix store.
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</para><para>
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This may refer to a directory.
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'';
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};
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mode = mkOption {
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type = types.str;
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default = "444";
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description = "The permissions to apply to the file.";
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};
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};
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config = {
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target = mkDefault name;
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source = mkIf (config.text != null) (
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let name' = "user-etc-" + baseNameOf name;
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in mkDefault (pkgs.writeText name' config.text)
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);
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};
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})
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);
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};
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home-files = mkOption {
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type = types.package;
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internal = true;
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description = "Package to contain all home files";
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};
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};
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config = {
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assertions = [
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(let
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badFiles =
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filter (f: hasPrefix "." (baseNameOf f))
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(map (v: toString v.source)
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(attrValues cfg));
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badFilesStr = toString badFiles;
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in
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{
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assertion = badFiles == [];
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message = "Source file names must not start with '.': ${badFilesStr}";
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})
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];
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# This verifies that the links we are about to create will not
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# overwrite an existing file.
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home.activation.checkLinkTargets = dagEntryBefore ["writeBoundary"] (
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let
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pattern = "-home-manager-files/";
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check = pkgs.writeText "check" ''
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. ${./lib-bash/color-echo.sh}
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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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if [[ -e "$targetPath" \
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&& ! "$(readlink "$targetPath")" =~ "${pattern}" ]] ; then
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errorEcho "Existing file '$targetPath' is in the way"
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collision=1
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fi
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done
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if [[ -v collision ]] ; then
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errorEcho "Please move the above files and try again"
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exit 1
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fi
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'';
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in
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''
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function checkNewGenCollision() {
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local newGenFiles
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newGenFiles="$(readlink -e "$newGenPath/home-files")"
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find "$newGenFiles" -type f -print0 -or -type l -print0 \
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| xargs -0 bash ${check} "$newGenFiles"
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}
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checkNewGenCollision || exit 1
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''
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);
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home.activation.linkGeneration = dagEntryAfter ["writeBoundary"] (
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let
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pattern = "-home-manager-files/";
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link = pkgs.writeText "link" ''
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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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$DRY_RUN_CMD mkdir -p $VERBOSE_ARG "$(dirname "$targetPath")"
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$DRY_RUN_CMD ln -nsf $VERBOSE_ARG "$sourcePath" "$targetPath"
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done
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'';
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cleanup = pkgs.writeText "cleanup" ''
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. ${./lib-bash/color-echo.sh}
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newGenFiles="$1"
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oldGenFiles="$2"
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shift 2
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for sourcePath in "$@" ; do
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relativePath="''${sourcePath#$oldGenFiles/}"
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targetPath="$HOME/$relativePath"
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if [[ -e "$newGenFiles/$relativePath" ]] ; then
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$VERBOSE_ECHO "Checking $targetPath: exists"
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elif [[ ! "$(readlink "$targetPath")" =~ "${pattern}" ]] ; then
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warnEcho "Path '$targetPath' not link into Home Manager generation. Skipping delete."
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else
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$VERBOSE_ECHO "Checking $targetPath: gone (deleting)"
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$DRY_RUN_CMD rm $VERBOSE_ARG "$targetPath"
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# Recursively delete empty parent directories.
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targetDir="$(dirname "$relativePath")"
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if [[ "$targetDir" != "." ]] ; then
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pushd "$HOME" > /dev/null
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# Call rmdir with a relative path excluding $HOME.
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# Otherwise, it might try to delete $HOME and exit
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# with a permission error.
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$DRY_RUN_CMD rmdir $VERBOSE_ARG \
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-p --ignore-fail-on-non-empty \
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"$targetDir"
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popd > /dev/null
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fi
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fi
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done
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'';
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in
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''
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function linkNewGen() {
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local newGenFiles
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newGenFiles="$(readlink -e "$newGenPath/home-files")"
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find "$newGenFiles" -type f -print0 -or -type l -print0 \
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| xargs -0 bash ${link} "$newGenFiles"
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}
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function cleanOldGen() {
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if [[ ! -v oldGenPath ]] ; then
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return
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fi
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echo "Cleaning up orphan links from $HOME"
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local newGenFiles oldGenFiles
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newGenFiles="$(readlink -e "$newGenPath/home-files")"
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oldGenFiles="$(readlink -e "$oldGenPath/home-files")"
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find "$oldGenFiles" -type f -print0 -or -type l -print0 \
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| xargs -0 bash ${cleanup} "$newGenFiles" "$oldGenFiles"
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}
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if [[ ! -v oldGenPath || "$oldGenPath" != "$newGenPath" ]] ; then
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echo "Creating profile generation $newGenNum"
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$DRY_RUN_CMD ln -Tsf $VERBOSE_ARG "$newGenPath" "$newGenProfilePath"
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$DRY_RUN_CMD ln -Tsf $VERBOSE_ARG $(basename "$newGenProfilePath") "$genProfilePath"
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$DRY_RUN_CMD ln -Tsf $VERBOSE_ARG "$newGenPath" "$newGenGcPath"
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else
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echo "No change so reusing latest profile generation $oldGenNum"
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fi
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linkNewGen
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cleanOldGen
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''
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);
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home-files = pkgs.stdenv.mkDerivation {
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name = "home-manager-files";
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phases = [ "installPhase" ];
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installPhase =
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"mkdir -p $out\n" +
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concatStringsSep "\n" (
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mapAttrsToList (n: v:
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''
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target="$(realpath -m "$out/${v.target}")"
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# Target file must be within $HOME.
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if [[ ! "$target" =~ "$out" ]] ; then
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echo "Error installing file '${v.target}' outside \$HOME" >&2
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exit 1
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fi
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if [ -d "${v.source}" ]; then
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mkdir -pv "$(dirname "$out/${v.target}")"
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ln -sv "${v.source}" "$target"
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else
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install -D -m${v.mode} "${v.source}" "$target"
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fi
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''
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) cfg
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);
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};
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};
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}
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@ -96,54 +96,6 @@ in
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meta.maintainers = [ maintainers.rycee ];
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options = {
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home.file = mkOption {
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description = "Attribute set of files to link into the user home.";
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default = {};
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type = types.loaOf (types.submodule (
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{ name, config, ... }: {
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options = {
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target = mkOption {
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type = types.str;
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description = ''
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Path to target file relative to <envar>HOME</envar>.
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'';
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};
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text = mkOption {
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default = null;
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type = types.nullOr types.lines;
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description = "Text of the file.";
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};
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source = mkOption {
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type = types.path;
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description = ''
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Path of the source file. The file name must not start
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with a period since Nix will not allow such names in
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the Nix store.
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</para><para>
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This may refer to a directory.
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'';
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};
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mode = mkOption {
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type = types.str;
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default = "444";
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description = "The permissions to apply to the file.";
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};
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};
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config = {
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target = mkDefault name;
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source = mkIf (config.text != null) (
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let name' = "user-etc-" + baseNameOf name;
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in mkDefault (pkgs.writeText name' config.text)
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);
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};
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})
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);
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};
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home.language = mkOption {
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type = languageSubModule;
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default = {};
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@ -226,20 +178,6 @@ in
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};
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config = {
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assertions = [
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(let
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badFiles =
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filter (f: hasPrefix "." (baseNameOf f))
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(map (v: toString v.source)
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(attrValues cfg.file));
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badFilesStr = toString badFiles;
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in
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{
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assertion = badFiles == [];
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message = "Source file names must not start with '.': ${badFilesStr}";
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})
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];
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home.sessionVariables =
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let
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maybeSet = name: value:
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@ -259,130 +197,6 @@ in
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# script's "check" and the "write" phases.
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home.activation.writeBoundary = dagEntryAnywhere "";
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# This verifies that the links we are about to create will not
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# overwrite an existing file.
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home.activation.checkLinkTargets = dagEntryBefore ["writeBoundary"] (
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let
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pattern = "-home-manager-files/";
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check = pkgs.writeText "check" ''
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. ${./lib-bash/color-echo.sh}
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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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if [[ -e "$targetPath" \
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&& ! "$(readlink "$targetPath")" =~ "${pattern}" ]] ; then
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errorEcho "Existing file '$targetPath' is in the way"
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collision=1
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fi
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done
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if [[ -v collision ]] ; then
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errorEcho "Please move the above files and try again"
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exit 1
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fi
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'';
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in
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''
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function checkNewGenCollision() {
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local newGenFiles
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newGenFiles="$(readlink -e "$newGenPath/home-files")"
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find "$newGenFiles" -type f -print0 -or -type l -print0 \
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| xargs -0 bash ${check} "$newGenFiles"
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}
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checkNewGenCollision || exit 1
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''
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);
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home.activation.linkGeneration = dagEntryAfter ["writeBoundary"] (
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let
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pattern = "-home-manager-files/";
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link = pkgs.writeText "link" ''
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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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$DRY_RUN_CMD mkdir -p $VERBOSE_ARG "$(dirname "$targetPath")"
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$DRY_RUN_CMD ln -nsf $VERBOSE_ARG "$sourcePath" "$targetPath"
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done
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'';
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cleanup = pkgs.writeText "cleanup" ''
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. ${./lib-bash/color-echo.sh}
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newGenFiles="$1"
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oldGenFiles="$2"
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shift 2
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for sourcePath in "$@" ; do
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relativePath="''${sourcePath#$oldGenFiles/}"
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targetPath="$HOME/$relativePath"
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if [[ -e "$newGenFiles/$relativePath" ]] ; then
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$VERBOSE_ECHO "Checking $targetPath: exists"
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elif [[ ! "$(readlink "$targetPath")" =~ "${pattern}" ]] ; then
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warnEcho "Path '$targetPath' not link into Home Manager generation. Skipping delete."
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else
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$VERBOSE_ECHO "Checking $targetPath: gone (deleting)"
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$DRY_RUN_CMD rm $VERBOSE_ARG "$targetPath"
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# Recursively delete empty parent directories.
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targetDir="$(dirname "$relativePath")"
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if [[ "$targetDir" != "." ]] ; then
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pushd "$HOME" > /dev/null
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# Call rmdir with a relative path excluding $HOME.
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# Otherwise, it might try to delete $HOME and exit
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# with a permission error.
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$DRY_RUN_CMD rmdir $VERBOSE_ARG \
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-p --ignore-fail-on-non-empty \
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"$targetDir"
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popd > /dev/null
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fi
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fi
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done
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'';
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in
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''
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function linkNewGen() {
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local newGenFiles
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newGenFiles="$(readlink -e "$newGenPath/home-files")"
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find "$newGenFiles" -type f -print0 -or -type l -print0 \
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| xargs -0 bash ${link} "$newGenFiles"
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}
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function cleanOldGen() {
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if [[ ! -v oldGenPath ]] ; then
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return
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fi
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echo "Cleaning up orphan links from $HOME"
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local newGenFiles oldGenFiles
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newGenFiles="$(readlink -e "$newGenPath/home-files")"
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oldGenFiles="$(readlink -e "$oldGenPath/home-files")"
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find "$oldGenFiles" -type f -print0 -or -type l -print0 \
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| xargs -0 bash ${cleanup} "$newGenFiles" "$oldGenFiles"
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}
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if [[ ! -v oldGenPath || "$oldGenPath" != "$newGenPath" ]] ; then
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echo "Creating profile generation $newGenNum"
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$DRY_RUN_CMD ln -Tsf $VERBOSE_ARG "$newGenPath" "$newGenProfilePath"
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$DRY_RUN_CMD ln -Tsf $VERBOSE_ARG $(basename "$newGenProfilePath") "$genProfilePath"
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$DRY_RUN_CMD ln -Tsf $VERBOSE_ARG "$newGenPath" "$newGenGcPath"
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else
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echo "No change so reusing latest profile generation $oldGenNum"
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fi
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linkNewGen
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cleanOldGen
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''
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);
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home.activation.installPackages = dagEntryAfter ["writeBoundary"] ''
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$DRY_RUN_CMD nix-env -i ${cfg.path}
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'';
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@ -418,35 +232,6 @@ in
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${activationCmds}
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'';
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home-files = pkgs.stdenv.mkDerivation {
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name = "home-manager-files";
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phases = [ "installPhase" ];
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installPhase =
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"mkdir -p $out\n" +
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concatStringsSep "\n" (
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mapAttrsToList (n: v:
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''
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target="$(realpath -m "$out/${v.target}")"
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|
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# Target file must be within $HOME.
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if [[ ! "$target" =~ "$out" ]] ; then
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echo "Error installing file '${v.target}' outside \$HOME" >&2
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exit 1
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fi
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if [ -d "${v.source}" ]; then
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mkdir -pv "$(dirname "$out/${v.target}")"
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ln -sv "${v.source}" "$target"
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else
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install -D -m${v.mode} "${v.source}" "$target"
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fi
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''
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) cfg.file
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);
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};
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in
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pkgs.stdenv.mkDerivation {
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name = "home-manager-generation";
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@ -459,7 +244,7 @@ in
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substituteInPlace $out/activate \
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--subst-var-by GENERATION_DIR $out
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ln -s ${home-files} $out/home-files
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ln -s ${config.home-files} $out/home-files
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ln -s ${cfg.path} $out/home-path
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'';
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};
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