gitweb: Add a feature to show side-by-side diff

diff --git a/git-add--interactive.perl b/git-add--interactive.perl
index a329c5a1f8c3b63ee6976a8e0e3903a11783324b..8f0839d205e0c4010e256bb5cf81c73cc2f438ab 100755 (executable)
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -45,6 +45,9 @@
 my $normal_color = $repo->get_color("", "reset");
 
 my $use_readkey = 0;
+my $use_termcap = 0;
+my %term_escapes;
+
 sub ReadMode;
 sub ReadKey;
 if ($repo->config_bool("interactive.singlekey")) {
@@ -53,6 +56,14 @@
                Term::ReadKey->import;
                $use_readkey = 1;
        };
+       eval {
+               require Term::Cap;
+               my $termcap = Term::Cap->Tgetent;
+               foreach (values %$termcap) {
+                       $term_escapes{$_} = 1 if /^\e/;
+               }
+               $use_termcap = 1;
+       };
 }
 
 sub colored {
@@ -705,7 +716,7 @@ sub add_untracked_cmd {
 sub run_git_apply {
        my $cmd = shift;
        my $fh;
-       open $fh, '| git ' . $cmd;
+       open $fh, '| git ' . $cmd . " --recount --allow-overlap";
        print $fh @_;
        return close $fh;
 }
@@ -1050,7 +1061,7 @@ sub edit_hunk_manually {
 
 sub diff_applies {
        my $fh;
-       return run_git_apply($patch_mode_flavour{APPLY_CHECK} . ' --recount --check',
+       return run_git_apply($patch_mode_flavour{APPLY_CHECK} . ' --check',
                             map { @{$_->{TEXT}} } @_);
 }
 
@@ -1067,6 +1078,14 @@ sub prompt_single_character {
                ReadMode 'cbreak';
                my $key = ReadKey 0;
                ReadMode 'restore';
+               if ($use_termcap and $key eq "\e") {
+                       while (!defined $term_escapes{$key}) {
+                               my $next = ReadKey 0.5;
+                               last if (!defined $next);
+                               $key .= $next;
+                       }
+                       $key =~ s/\e/^[/;
+               }
                print "$key" if defined $key;
                print "\n";
                return $key;
@@ -1139,7 +1158,7 @@ sub help_patch_cmd {
 
 sub apply_patch {
        my $cmd = shift;
-       my $ret = run_git_apply $cmd . ' --recount', @_;
+       my $ret = run_git_apply $cmd, @_;
        if (!$ret) {
                print STDERR @_;
        }
@@ -1148,17 +1167,17 @@ sub apply_patch {
 
 sub apply_patch_for_checkout_commit {
        my $reverse = shift;
-       my $applies_index = run_git_apply 'apply '.$reverse.' --cached --recount --check', @_;
-       my $applies_worktree = run_git_apply 'apply '.$reverse.' --recount --check', @_;
+       my $applies_index = run_git_apply 'apply '.$reverse.' --cached --check', @_;
+       my $applies_worktree = run_git_apply 'apply '.$reverse.' --check', @_;
 
        if ($applies_worktree && $applies_index) {
-               run_git_apply 'apply '.$reverse.' --cached --recount', @_;
-               run_git_apply 'apply '.$reverse.' --recount', @_;
+               run_git_apply 'apply '.$reverse.' --cached', @_;
+               run_git_apply 'apply '.$reverse, @_;
                return 1;
        } elsif (!$applies_index) {
                print colored $error_color, "The selected hunks do not apply to the index!\n";
                if (prompt_yesno "Apply them to the worktree anyway? ") {
-                       return run_git_apply 'apply '.$reverse.' --recount', @_;
+                       return run_git_apply 'apply '.$reverse, @_;
                } else {
                        print colored $error_color, "Nothing was applied.\n";
                        return 0;
@@ -1366,14 +1385,13 @@ sub patch_update_file {
                                next;
                        }
                        elsif ($line =~ /^q/i) {
-                               while ($ix < $num) {
-                                       if (!defined $hunk[$ix]{USE}) {
-                                               $hunk[$ix]{USE} = 0;
+                               for ($i = 0; $i < $num; $i++) {
+                                       if (!defined $hunk[$i]{USE}) {
+                                               $hunk[$i]{USE} = 0;
                                        }
-                                       $ix++;
                                }
                                $quit = 1;
-                               next;
+                               last;
                        }
                        elsif ($line =~ m|^/(.*)|) {
                                my $regex = $1;