Update gp

gp

@@ -49,14 +49,45 @@ EXAMPLES:
 EOF
 }
 
-# Function to generate commit message based on changes
+# Function to generate commit message using Claude AI
-generate_commit_message() {
+generate_commit_message_ai() {
+    # Stage files first so we can get a proper diff
+    if [ "$ADD_ALL" = true ]; then
+        git add -A
+    fi
+
+    local diff
+    diff=$(git diff --cached)
+    if [ -z "$diff" ]; then
+        return 1
+    fi
+
+    local msg
+    msg=$(echo "$diff" | claude --print \
+        "Write a short git commit message (max 72 chars subject line) summarising these changes. Output ONLY the message, no quotes or prefixes." \
+        2>/dev/null) || return 1
+
+    # Validate: non-empty, single line, reasonable length
+    if [ -z "$msg" ]; then
+        return 1
+    fi
+    # Take only the first line
+    msg=$(echo "$msg" | head -1)
+    if [ ${#msg} -gt 120 ]; then
+        return 1
+    fi
+
+    echo "$msg"
+}
+
+# Function to generate commit message based on heuristics (fallback)
+generate_commit_message_fallback() {
     # First check if we have staged changes
     local has_staged_changes=false
     if ! git diff --cached --quiet; then
         has_staged_changes=true
     fi
-    
+
     # Determine which changes to analyze based on staging status and ADD_ALL setting
     local status_command=""
     if [ "$has_staged_changes" = true ]; then
@@ -64,11 +95,11 @@ generate_commit_message() {
     else
         status_command="git diff --name-status"
     fi
-    
+
     # Get all changes (staged or unstaged depending on context)
     local all_changes
     all_changes=$($status_command)
-    
+
     # If no changes from diff, check for untracked files when add-all is enabled
     if [ -z "$all_changes" ] && [ "$ADD_ALL" = true ]; then
         local untracked_files
@@ -78,27 +109,27 @@ generate_commit_message() {
             all_changes=$(echo "$untracked_files" | sed 's/^/A\t/')
         fi
     fi
-    
+
     if [ -z "$all_changes" ]; then
         echo "No changes to commit"
         return 1
     fi
-    
+
     # Count total files
     local files_count
     files_count=$(echo "$all_changes" | wc -l)
-    
+
     # Generate smart commit message based on file types and changes
     local has_source_files=false
     local has_config_files=false
     local has_docs=false
     local has_tests=false
     local message=""
-    
+
     # Extract just the filenames for type detection
     while IFS=$'\t' read -r status file; do
         [ -z "$file" ] && continue
-        
+
         case "$file" in
             *.cpp|*.hpp|*.c|*.h|*.js|*.ts|*.py|*.go|*.rs|*.java)
                 has_source_files=true
@@ -114,7 +145,7 @@ generate_commit_message() {
                 ;;
         esac
     done <<< "$all_changes"
-    
+
     # Create descriptive commit message
     if [ "$files_count" -eq 1 ]; then
         local change_line
@@ -123,7 +154,7 @@ generate_commit_message() {
         local single_file
         status=$(echo "$change_line" | cut -f1)
         single_file=$(echo "$change_line" | cut -f2)
-        
+
         case "${status:0:1}" in
             A) message="Add $single_file" ;;
             M) message="Update $single_file" ;;
@@ -137,9 +168,9 @@ generate_commit_message() {
         local modified_count=0
         local deleted_count=0
         local renamed_count=0
-        
+
         # Use the all_changes variable we already have
-        
+
         # Count different types of changes
         while IFS=$'\t' read -r status file; do
             [ -z "$status" ] && continue
@@ -150,7 +181,7 @@ generate_commit_message() {
                 R) ((renamed_count++)) ;;
             esac
         done <<< "$all_changes"
-        
+
         # Also count untracked files if add-all is enabled
         if [ "$ADD_ALL" = true ]; then
             local untracked_files
@@ -161,14 +192,14 @@ generate_commit_message() {
                 ((added_count += untracked_count))
             fi
         fi
-        
+
         # Generate message based on change types
         local change_parts=()
         [ $added_count -gt 0 ] && change_parts+=("add $added_count")
         [ $modified_count -gt 0 ] && change_parts+=("update $modified_count")
         [ $deleted_count -gt 0 ] && change_parts+=("remove $deleted_count")
         [ $renamed_count -gt 0 ] && change_parts+=("rename $renamed_count")
-        
+
         local change_desc=""
         if [ ${#change_parts[@]} -eq 1 ]; then
             change_desc="${change_parts[0]}"
@@ -183,7 +214,7 @@ generate_commit_message() {
             done
             change_desc+=" and ${change_parts[last_idx]}"
         fi
-        
+
         local prefix=""
         if $has_tests; then
             prefix="test: "
@@ -194,16 +225,28 @@ generate_commit_message() {
         elif $has_source_files; then
             prefix="feat: "
         fi
-        
+
         # Capitalize first letter of change description
         change_desc="$(echo "${change_desc:0:1}" | tr '[:lower:]' '[:upper:]')${change_desc:1}"
-        
+
         message="${prefix}${change_desc} files"
     fi
-    
+
     echo "$message"
 }
 
+# Function to generate commit message — tries Claude AI first, falls back to heuristics
+generate_commit_message() {
+    if command -v claude &>/dev/null; then
+        local ai_msg
+        if ai_msg=$(generate_commit_message_ai); then
+            echo "$ai_msg"
+            return 0
+        fi
+    fi
+    generate_commit_message_fallback
+}
+
 # Function to check if we're in a git repository and change to repo root
 check_git_repo() {
     if ! git rev-parse --git-dir >/dev/null 2>&1; then