feat(nix): add zellij-autolock as a package

flake.nix

@@ -26,6 +26,9 @@
     nushell-src.url = "github:nushell/nushell";
     nushell-src.flake = false;
 
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
+
     ghostty-module.url = "github:clo4/ghostty-hm-module";
 
     # eww.url = "github:elkowar/eww";
@@ -73,6 +76,7 @@
         [
           (self.overlay."${system}")
           (nur.overlay)
+          (import rust-overlay)
           # (_:_: { inherit (eww.packages."${system}") eww; })
         ] ++ ovs
       );

nix/pkgs/lib.sh

@@ -65,3 +65,107 @@ function prefetch_from_github() {
 
   nix-prefetch-url --print-path --type sha256 --unpack "$gh_api/$user/$repo/tarball/$tag"
 }
+
+function fetch_cargo_lock_from_store() {
+  echo "Fetching Cargo.lock"
+  local store
+  store=$1
+
+  cp -f "$store/Cargo.lock" ./Cargo.lock
+}
+
+function update_latest_version_from_crates_io() {
+  local crate name version prefetch sha store
+
+  crate="$1"
+  name="${2:-$crate}"
+
+  version="$(get_latest_version_from_crates_io "$crate")"
+  prefetch="$(prefetch_from_crates_io "$crate" "$version")"
+  sha="$(printf '%s' "$prefetch" | head -n1)"
+  store="$(printf '%s' "$prefetch" | tail -n1)"
+
+  echo "sha: $sha"
+  echo "store: $store"
+
+  cat >metadata.nix <<EOF
+{
+  pname = "$name";
+  version = "$version";
+  fetch = {
+    pname = "$crate";
+    version = "$version";
+    sha256 = "$sha";
+  };
+}
+EOF
+
+  fetch_cargo_lock_from_store "$store"
+}
+
+function update_latest_version_from_github() {
+  local user repo name version prefetch sha store
+
+  user="$1"
+  repo="$2"
+  name="${3:-$repo}"
+
+  version="$(get_latest_version_from_github "$user" "$repo")"
+  prefetch="$(prefetch_from_github "$user" "$repo" "$version")"
+  sha="$(printf '%s' "$prefetch" | head -n1)"
+  store="$(printf '%s' "$prefetch" | tail -n1)"
+
+  echo "sha: $sha"
+  echo "store: $store"
+
+  cat >metadata.nix <<EOF
+{
+  pname = "$name";
+  version = "$version";
+  fetch = {
+    owner = "$user";
+    repo = "$repo";
+    rev = "$version";
+    sha256 = "$sha";
+  };
+}
+EOF
+
+  if [ "$RUST_APPLICATION" ]; then
+    fetch_cargo_lock_from_store "$store"
+  fi
+}
+
+function update_head_from_github() {
+  local user repo name rev prefetch sha store
+
+  user="$1"
+  repo="$2"
+  postfix="${3:-git}"
+  name="${4:-$repo}"
+
+  rev="$(get_head_from_github "$user" "$repo")"
+  prefetch="$(prefetch_from_github "$user" "$repo" "$rev")"
+  sha="$(printf '%s' "$prefetch" | head -n1)"
+  store="$(printf '%s' "$prefetch" | tail -n1)"
+
+  echo "sha: $sha"
+  echo "store: $store"
+
+  cat >metadata.nix <<EOF
+{
+  pname = "$name";
+  version = "$version-$postfix";
+  fetch = {
+    owner = "$user";
+    repo = "$repo";
+    rev = "$rev";
+    sha256 = "$sha";
+  };
+}
+EOF
+
+  if [ "$RUST_APPLICATION" ]; then
+    fetch_cargo_lock_from_store "$store"
+  fi
+}