git-sync in /nix/store

1 files changed, 22 insertions, 1 deletions

diff --git a/ymir.nix b/ymir.nix
index 2d6fac63..b1adc5d4 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -891,7 +891,28 @@ in rec {
       [directory-sync]
       directory=/var/lib/infinoted/dirsync
       interval=5
-      hook=/var/lib/infinoted/git-sync.sh
+      hook=${pkgs.writeScript "git-sync.sh" ''
+        #!${pkgs.zsh}/bin/zsh
+
+        repository=$(git -C ${2:h} rev-parse --show-toplevel)
+        [[ $? -eq 0 ]] || exit 0
+
+        git() {
+            $(whence -cp git) -C ${repository} ${@}
+        }
+
+        typeset -a changeSet
+        changeSet=()
+        git diff -z --name-only | \
+            while IFS= read -r -d $'\0' change; do changeSet=(${changeSet} ${change}); done
+
+        [[ ${changeSet[(i)$(realpath ${2} --relative-to=${repository})]} -le ${#changeSet} ]] || exit 0
+
+        commitMessage=$(printf "%s modified via infinoted" $(realpath ${2} --relative-to=${repository}))
+        git add ${2}
+        git commit -m ${commitMessage} --no-edit ${2}
+        git push
+      ''}
     '';
   };