feat: initial v3 rewrite

lib/utils.nix

@@ -0,0 +1,46 @@
+{pkgs, ...}: {
+  commitAndPushFiles = {
+    message,
+    files ? [],
+  }: jobArgs:
+    jobArgs
+    // {
+      before_script =
+        (jobArgs.before_script or [])
+        ++ [
+          # sh
+          ''
+            echo -e "\\e[0Ksection_start:`date +%s`:commit_setup[collapsed=true]\\r\\e[0KSetting up commitAndPushFiles"
+              eval "$(ssh-agent -s)" >/dev/null;
+              mkdir -p ~/.ssh; touch ~/.ssh/known_hosts;
+              ssh-keyscan -t rsa $CI_SERVER_HOST >> ~/.ssh/known_hosts;
+              echo "$GIT_SSH_PRIV_KEY" | tr -d '\r' | ssh-add - >/dev/null;
+              git config --global user.email "$GIT_EMAIL" >/dev/null;
+              git config --global user.name "$GIT_NAME" >/dev/null;
+              export CI_PUSH_REPO=`echo $CI_REPOSITORY_URL | sed -e "s|.*@\(.*\)|git@\1|" -e "s|/|:|"`;
+              git remote rm origin && git remote add origin ''${CI_PUSH_REPO}
+            echo -e "\\e[0Ksection_end:`date +%s`:commit_setup\\r\\e[0K"
+          ''
+        ];
+      script = let
+        addScript =
+          if builtins.length files == 0
+          then ""
+          else "git add ${builtins.concatStringsSep " " files}";
+      in
+        (jobArgs.script or [])
+        ++ [
+          # sh
+          ''
+            echo -e "\\e[0Ksection_start:`date +%s`:commit[collapsed=true]\\r\\e[0KCommiting & pushing changes if necessary"
+              ${addScript}
+              git diff --cached --exit-code >/dev/null &&
+                echo "Nothing to commit" ||
+                git commit -m "${message}" --no-verify;
+              git push --tags origin ''${GIT_SOURCE_REF:-HEAD}:''${GIT_TARGET_REF:-$CI_COMMIT_REF_NAME} -o ci.skip
+            echo -e "\\e[0Ksection_end:`date +%s`:commit\\r\\e[0K"
+          ''
+        ];
+      nix.deps = (jobArgs.nix.deps or []) ++ [pkgs.openssh pkgs.gitMinimal pkgs.gnused];
+    };
+}