chore(nix/package/bumper): init

flake.nix

@@ -24,6 +24,9 @@
         {
           docker = pkgs.callPackage ./nix/docker.nix { };
           nocodb = pkgs.callPackage ./nix/package.nix { };
+          bumper = pkgs.callPackage ./nix/bumper { };
+
+          pnpmDeps = self.packages.${system}.nocodb.pnpmDeps;
           default = self.packages.${system}.nocodb;
         }
       );

nix/bumper/bumper.sh

@@ -0,0 +1,70 @@
+#!/bin/sh
+
+commit_message="chore(nix/pacakge/pnpmDeps): bump hash"
+commit_author="sinanmohd <sinanmohd>"
+
+hash_get() {
+	grep -Eo 'sha256-[^=]*=' nix/package.nix
+}
+
+hash_set() {
+	sed -i "s|sha256-[A-Za-z0-9+/=]\+|$1|" nix/package.nix
+}
+
+early_escape_possible() {
+	last_bump_commit=$(git log --oneline | grep "$commit_message"  | cut -d' ' -f1)
+	if [ -z "$last_bump_commit" ]; then
+		return 1
+	fi
+
+	last_pnpm_time="$(git log -1 --format="%at" pnpm-lock.yaml)"
+	last_bump_time="$(git log -1 --format="%at" "$last_bump_commit")"
+
+	if [ "$last_bump_time" -lt "$last_pnpm_time" ]; then
+		return 1
+	fi
+
+	return 0
+}
+
+nix_hash() {
+	out="$(mktemp)"
+	nix build .#pnpmDeps -L > "$out" 2>&1
+	tac "$out" | grep -Eom1 'sha256-[^=]*='
+}
+
+##########
+## MAIN ##
+##########
+
+if [ ! -w nix/package.nix ] || [ ! -r nix/package.nix ]; then
+	echo "nix/package: not writiable or readable"
+	exit 1
+fi
+
+if early_escape_possible; then
+	echo "early escape suckcess : nix bump commit is newer"
+	exit 0
+else
+	echo "early esacpe failuree : npm bump commit is newer, here we go again"
+fi
+
+fake_hash="sha256-0000000000000000000000000000000000000000000="
+cur_hash="$(hash_get)"
+hash_set "$fake_hash"
+new_hash="$(nix_hash)"
+
+if [ -z "$new_hash" ]; then
+	echo "empty hash: must be same"
+	exit 0
+fi
+
+if [ "$cur_hash" != "$new_hash" ]; then
+	echo "hash changed: ${cur_hash} -> ${new_hash}"
+	hash_set "$new_hash"
+
+	git add nix/pacakge.nix
+	git commit --author="$commit_author" -m "$commit_message"
+else
+	echo "hash staysss: waiting for your next commit"
+fi

nix/bumper/default.nix

@@ -0,0 +1,19 @@
+{
+  writeShellApplication,
+  gnugrep,
+  gnused,
+  git,
+  nix,
+}:
+writeShellApplication {
+  name = "bumper";
+
+  runtimeInputs = [
+    gnugrep
+    gnused
+    git
+    nix
+  ];
+
+  text = builtins.readFile ./bumper.sh;
+}