sample update-hook: sanely handle a new branch head.

diff --git a/templates/hooks--pre-commit b/templates/hooks--pre-commit
index cb1c82d55db244fd0ffec151f433105472988be6..4bb6803b105505fd89b24a17403e8210c42c06be 100644 (file)
--- a/templates/hooks--pre-commit
+++ b/templates/hooks--pre-commit
@@ -1,7 +1,7 @@
 #!/bin/sh
 #
 # An example hook script to verify what is about to be committed.
-# Called by git-commit-script with no arguments.  The hook should
+# Called by git-commit with no arguments.  The hook should
 # exit with non-zero status after issuing an appropriate message if
 # it wants to stop the commit.
 #
@@ -19,18 +19,19 @@ perl -e '
     sub bad_line {
        my ($why, $line) = @_;
        if (!$found_bad) {
-           print "*\n";
-           print "* You have some suspicious patch lines:\n";
-           print "*\n";
+           print STDERR "*\n";
+           print STDERR "* You have some suspicious patch lines:\n";
+           print STDERR "*\n";
            $found_bad = 1;
        }
        if ($reported_filename ne $filename) {
-           print "* In $filename\n";
+           print STDERR "* In $filename\n";
            $reported_filename = $filename;
        }
-       print "* $why (line $lineno)\n$line\n";
+       print STDERR "* $why (line $lineno)\n";
+       print STDERR "$filename:$lineno:$line\n";
     }
-    open $fh, "-|", qw(git-diff-cache -p -M --cached HEAD);
+    open $fh, "-|", qw(git-diff-index -p -M --cached HEAD);
     while (<$fh>) {
        if (m|^diff --git a/(.*) b/\1$|) {
            $filename = $1;