t/Makefile: add a rule to re-run previously-failed tests

diff --git a/git-difftool.perl b/git-difftool.perl
index e26294feab988d1bfc15d10acbe2774b29b5ec6f..df59bdfe97786b5d9f48777cfad80545ff6bbdc2 100755 (executable)
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -22,6 +22,7 @@
 use File::Temp qw(tempdir);
 use Getopt::Long qw(:config pass_through);
 use Git;
+use Git::I18N;
 
 sub usage
 {
@@ -128,7 +129,7 @@ sub setup_dir_diff
        my $i = 0;
        while ($i < $#rawdiff) {
                if ($rawdiff[$i] =~ /^::/) {
-                       warn << 'EOF';
+                       warn __ <<'EOF';
 Combined diff formats ('-c' and '--cc') are not supported in
 directory diff mode ('-d' and '--dir-diff').
 EOF
@@ -346,7 +347,7 @@ sub main
                if (length($opts{difftool_cmd}) > 0) {
                        $ENV{GIT_DIFF_TOOL} = $opts{difftool_cmd};
                } else {
-                       print "No <tool> given for --tool=<tool>\n";
+                       print __("No <tool> given for --tool=<tool>\n");
                        usage(1);
                }
        }
@@ -354,7 +355,7 @@ sub main
                if (length($opts{extcmd}) > 0) {
                        $ENV{GIT_DIFFTOOL_EXTCMD} = $opts{extcmd};
                } else {
-                       print "No <cmd> given for --extcmd=<cmd>\n";
+                       print __("No <cmd> given for --extcmd=<cmd>\n");
                        usage(1);
                }
        }
@@ -428,11 +429,11 @@ sub dir_diff
                }
 
                if (exists $wt_modified{$file} and exists $tmp_modified{$file}) {
-                       my $errmsg = "warning: Both files modified: ";
-                       $errmsg .= "'$worktree/$file' and '$b/$file'.\n";
-                       $errmsg .= "warning: Working tree file has been left.\n";
-                       $errmsg .= "warning:\n";
-                       warn $errmsg;
+                       warn sprintf(__(
+                               "warning: Both files modified:\n" .
+                               "'%s/%s' and '%s/%s'.\n" .
+                               "warning: Working tree file has been left.\n" .
+                               "warning:\n"), $worktree, $file, $b, $file);
                        $error = 1;
                } elsif (exists $tmp_modified{$file}) {
                        my $mode = stat("$b/$file")->mode;
@@ -444,8 +445,9 @@ sub dir_diff
                }
        }
        if ($error) {
-               warn "warning: Temporary files exist in '$tmpdir'.\n";
-               warn "warning: You may want to cleanup or recover these.\n";
+               warn sprintf(__(
+                       "warning: Temporary files exist in '%s'.\n" .
+                       "warning: You may want to cleanup or recover these.\n"), $tmpdir);
                exit(1);
        } else {
                exit_cleanup($tmpdir, $rc);