feat: Add git-changes script

2025-12-02 17:49:43 +01:00
parent dc36bc62d5
commit 0258dd59b1
5 changed files with 153 additions and 34 deletions
--- a/home/shells/zsh/scripts/default.nix
+++ b/home/shells/zsh/scripts/default.nix
@@ -0,0 +1,47 @@
+{
+  pkgs,
+  dotsDir,
+  ...
+}: {
+  home.packages = with pkgs; [
+    (
+      writeScriptBin "rebuild"
+      # sh
+      ''
+        cd ${dotsDir}
+        git add -A 2>/dev/null
+        sudo nixos-rebuild $@ switch --flake .
+        cd - >/dev/null
+      ''
+    )
+
+    (
+      writeScriptBin "update"
+      # sh
+      ''
+        cd ${dotsDir}
+        git add -A 2>/dev/null
+        sudo nix flake $@ update
+        cd - >/dev/null
+      ''
+    )
+
+    (
+      writeScriptBin "nix"
+      # sh
+      ''
+        NIX=${pkgs.lib.getExe pkgs.nix}
+
+        if [[ $1 == "develop" || $1 == "shell" ]]; then
+          cmd=$1
+          shift
+          exec "$NIX" "$cmd" -c "$SHELL" "$@"
+        else
+          exec "$NIX" "$@"
+        fi
+      ''
+    )
+
+    (writeScriptBin "git-changes" (builtins.readFile ./git-changes.sh))
+  ];
+}
--- a/home/shells/zsh/scripts/git-changes.sh
+++ b/home/shells/zsh/scripts/git-changes.sh
@@ -0,0 +1,97 @@
+#!/usr/bin/env bash
+if [ -n "$1" ]; then
+  BASE_BRANCH="$1"
+else
+  if git show-ref --verify --quiet refs/heads/dev; then
+    BASE_BRANCH="dev"
+  elif git show-ref --verify --quiet refs/heads/main; then
+    BASE_BRANCH="main"
+  elif git show-ref --verify --quiet refs/heads/master; then
+    BASE_BRANCH="master"
+  else
+    echo "Warning: Neither 'dev', 'main' nor 'master' found. Defaulting to 'main'." >&2
+    BASE_BRANCH="main"
+  fi
+fi
+
+TARGET_BRANCH=${2:-$(git rev-parse --abbrev-ref HEAD)}
+
+if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
+  echo "Error: Not a git repository." >&2
+  exit 1
+fi
+
+if ! git show-ref --verify --quiet refs/heads/"$BASE_BRANCH"; then
+  echo "Error: Base branch '$BASE_BRANCH' does not exist." >&2
+fi
+
+REMOTE_URL=$(git config --get remote.origin.url)
+REPO_URL=""
+
+if [[ "$REMOTE_URL" == *"github.com"* || $REMOTE_URL == *"gitlab.com"* || $REMOTE_URL == *"gitlab.uni-ulm.de"* ]]; then
+  REPO_URL=$(echo "$REMOTE_URL" | sed -E 's/git@([^:]+):/https:\/\/\1\//')
+  REPO_URL=${REPO_URL%.git}
+fi
+
+get_commit_link() {
+  local hash=$1
+  if [ -n "$REPO_URL" ]; then
+    echo "($REPO_URL/commit/$hash)"
+  else
+    echo "($hash)"
+  fi
+}
+
+feats=""
+fixes=""
+docs=""
+refactors=""
+tests=""
+others=""
+
+echo "Generating changelog for '$TARGET_BRANCH' (comparing against '$BASE_BRANCH')..."
+echo "-------------------------------------------------------------------------------"
+
+while IFS="|" read -r hash subject; do
+  link=$(get_commit_link "$hash")
+
+  if [[ "$subject" =~ ^([a-z]+)(\([a-z0-9\ -]+\))?!?:[[:space:]]*(.*)$ ]]; then
+    type="${BASH_REMATCH[1]}"
+    clean_msg="${BASH_REMATCH[3]}"
+
+    line="  - [\`${hash:0:7}\`]${link}: ${clean_msg}"
+
+    case "$type" in
+    feat) feats="${feats}\n${line}" ;;
+    fix) fixes="${fixes}\n${line}" ;;
+    docs) docs="${docs}\n${line}" ;;
+    refactor) refactors="${refactors}\n${line}" ;;
+    test) tests="${tests}\n${line}" ;;
+    *) others="${others}\n${line} (Type: $type)" ;;
+    esac
+  else
+    line="  - [\`${hash:0:7}\`]${link}: ${subject}"
+    others="${others}\n${line}"
+  fi
+
+done < <(git log --no-merges --pretty=format:"%H|%s" "$BASE_BRANCH..$TARGET_BRANCH")
+
+if [ -n "$feats" ]; then
+  echo -e "\n- **New Features:**$feats"
+fi
+if [ -n "$fixes" ]; then
+  echo -e "\n- **Bug Fixes:**$fixes"
+fi
+if [ -n "$docs" ]; then
+  echo -e "\n- **Documentation:**$docs"
+fi
+if [ -n "$refactors" ]; then
+  echo -e "\n- **Refactoring:**$refactors"
+fi
+if [ -n "$tests" ]; then
+  echo -e "\n- **Tests:**$tests"
+fi
+if [ -n "$others" ]; then
+  echo -e "\n- **Other Changes:**$others"
+fi
+echo -e "\n> Automatically generated by [git-changes](https://github.com/demenik/dots/tree/main/home/shells/zsh/scripts/git-changes.sh)"