make the sample pre-commit hook script reject names with newlines, too

diff --git a/git-add--interactive.perl b/git-add--interactive.perl
index 27fc79347af428dd39daa5b550814cc6cf980510..a329c5a1f8c3b63ee6976a8e0e3903a11783324b 100755 (executable)
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -1,6 +1,8 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 
+use 5.008;
 use strict;
+use warnings;
 use Git;
 
 binmode(STDOUT, ":raw");
@@ -87,6 +89,7 @@ sub colored {
                TARGET => '',
                PARTICIPLE => 'staging',
                FILTER => 'file-only',
+               IS_REVERSE => 0,
        },
        'stash' => {
                DIFF => 'diff-index -p HEAD',
@@ -96,6 +99,7 @@ sub colored {
                TARGET => '',
                PARTICIPLE => 'stashing',
                FILTER => undef,
+               IS_REVERSE => 0,
        },
        'reset_head' => {
                DIFF => 'diff-index -p --cached',
@@ -105,6 +109,7 @@ sub colored {
                TARGET => '',
                PARTICIPLE => 'unstaging',
                FILTER => 'index-only',
+               IS_REVERSE => 1,
        },
        'reset_nothead' => {
                DIFF => 'diff-index -R -p --cached',
@@ -114,6 +119,7 @@ sub colored {
                TARGET => ' to index',
                PARTICIPLE => 'applying',
                FILTER => 'index-only',
+               IS_REVERSE => 0,
        },
        'checkout_index' => {
                DIFF => 'diff-files -p',
@@ -123,6 +129,7 @@ sub colored {
                TARGET => ' from worktree',
                PARTICIPLE => 'discarding',
                FILTER => 'file-only',
+               IS_REVERSE => 1,
        },
        'checkout_head' => {
                DIFF => 'diff-index -p',
@@ -132,6 +139,7 @@ sub colored {
                TARGET => ' from index and worktree',
                PARTICIPLE => 'discarding',
                FILTER => undef,
+               IS_REVERSE => 1,
        },
        'checkout_nothead' => {
                DIFF => 'diff-index -R -p',
@@ -141,6 +149,7 @@ sub colored {
                TARGET => ' to index and worktree',
                PARTICIPLE => 'applying',
                FILTER => undef,
+               IS_REVERSE => 0,
        },
 );
 
@@ -999,10 +1008,12 @@ sub edit_hunk_manually {
        print $fh "# Manual hunk edit mode -- see bottom for a quick guide\n";
        print $fh @$oldtext;
        my $participle = $patch_mode_flavour{PARTICIPLE};
+       my $is_reverse = $patch_mode_flavour{IS_REVERSE};
+       my ($remove_plus, $remove_minus) = $is_reverse ? ('-', '+') : ('+', '-');
        print $fh <<EOF;
 # ---
-# To remove '-' lines, make them ' ' lines (context).
-# To remove '+' lines, delete them.
+# To remove '$remove_minus' lines, make them ' ' lines (context).
+# To remove '$remove_plus' lines, delete them.
 # Lines starting with # will be removed.
 #
 # If the patch applies cleanly, the edited hunk will immediately be