Initial commit

commands/commit-error-handling/.scripts/repo-checker.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+# ================================================================
+# Script: repo-checker.sh
+# Purpose: Verify git repository validity
+# Version: 1.0.0
+# Usage: ./repo-checker.sh
+# Returns: JSON with repository status
+# Exit Codes:
+#   0 = Valid repository
+#   1 = Not a repository
+#   2 = Script error
+# ================================================================
+
+set -euo pipefail
+
+# Function to output JSON
+output_json() {
+    local is_repo=$1
+    local git_dir=$2
+    local error=$3
+
+    cat <<EOF
+{
+  "is_repo": $is_repo,
+  "git_dir": $git_dir,
+  "error": "$error",
+  "checked_at": "$(date -Iseconds)"
+}
+EOF
+}
+
+# Main logic
+main() {
+    # Check if git is installed
+    if ! command -v git &>/dev/null; then
+        output_json false "null" "git not installed"
+        exit 2
+    fi
+
+    # Try to get git directory
+    if GIT_DIR=$(git rev-parse --git-dir 2>/dev/null); then
+        # Valid repository
+        ABSOLUTE_GIT_DIR=$(cd "$GIT_DIR" && pwd)
+        output_json true "\"$ABSOLUTE_GIT_DIR\"" ""
+        exit 0
+    else
+        # Not a repository
+        output_json false "null" "not a git repository"
+        exit 1
+    fi
+}
+
+# Run main function
+main "$@"