X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/238c052fdb9da3b1f96c09809461b70813c5bebc..00981cbdfff391d858d262083d24b685217a8353:/autogen.sh

diff --git a/autogen.sh b/autogen.sh
index bc8a73db6b..69812cdcfe 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -208,6 +208,46 @@ autoreconf -i -I m4 || exit $?
 ## cause 'make' to needlessly run 'autoheader'.
 echo timestamp > src/stamp-h.in || exit
 
+## Install Git hooks, if using Git.
+if test -d .git/hooks; then
+    tailored_hooks=
+    sample_hooks=
+
+    for hook in commit-msg pre-commit; do
+	cmp build-aux/git-hooks/$hook .git/hooks/$hook >/dev/null 2>&1 ||
+	tailored_hooks="$tailored_hooks $hook"
+    done
+    for hook in applypatch-msg pre-applypatch; do
+	cmp .git/hooks/$hook.sample .git/hooks/$hook >/dev/null 2>&1 ||
+	sample_hooks="$sample_hooks $hook"
+    done
+
+    if test -n "$tailored_hooks$sample_hooks"; then
+	echo "Installing git hooks..."
+
+	case `cp --help 2>/dev/null` in
+	  *--backup*--verbose*)
+	    cp_options='--backup=numbered --verbose';;
+	  *)
+	    cp_options='';;
+	esac
+
+	if test -n "$tailored_hooks"; then
+	    for hook in $tailored_hooks; do
+		cp $cp_options build-aux/git-hooks/$hook .git/hooks || exit
+		chmod a-w .git/hooks/$hook || exit
+	    done
+	fi
+
+	if test -n "$sample_hooks"; then
+	    for hook in $sample_hooks; do
+		cp $cp_options .git/hooks/$hook.sample .git/hooks/$hook || exit
+		chmod a-w .git/hooks/$hook || exit
+	    done
+	fi
+    fi
+fi
+
 echo "You can now run \`./configure'."
 
 exit 0