test-lib: Replace uses of $(expr ...) by POSIX shell features.

diff --git a/git-add--interactive.perl b/git-add--interactive.perl
index f7b0761732f4a752cc91fd7ca02e3a3e07dcfc17..def062a9e2cbc67b78522aa47151d47cd50f0f33 100755 (executable)
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -3,6 +3,8 @@
 use strict;
 use Git;
 
+binmode(STDOUT, ":raw");
+
 my $repo = Git->repository();
 
 my $menu_use_color = $repo->get_colorbool('color.interactive');
@@ -91,6 +93,47 @@ sub run_cmd_pipe {
 }
 chomp($GIT_DIR);
 
+my %cquote_map = (
+ "b" => chr(8),
+ "t" => chr(9),
+ "n" => chr(10),
+ "v" => chr(11),
+ "f" => chr(12),
+ "r" => chr(13),
+ "\\" => "\\",
+ "\042" => "\042",
+);
+
+sub unquote_path {
+       local ($_) = @_;
+       my ($retval, $remainder);
+       if (!/^\042(.*)\042$/) {
+               return $_;
+       }
+       ($_, $retval) = ($1, "");
+       while (/^([^\\]*)\\(.*)$/) {
+               $remainder = $2;
+               $retval .= $1;
+               for ($remainder) {
+                       if (/^([0-3][0-7][0-7])(.*)$/) {
+                               $retval .= chr(oct($1));
+                               $_ = $2;
+                               last;
+                       }
+                       if (/^([\\\042btnvfr])(.*)$/) {
+                               $retval .= $cquote_map{$1};
+                               $_ = $2;
+                               last;
+                       }
+                       # This is malformed -- just return it as-is for now.
+                       return $_[0];
+               }
+               $_ = $remainder;
+       }
+       $retval .= $_;
+       return $retval;
+}
+
 sub refresh {
        my $fh;
        open $fh, 'git update-index --refresh |'
@@ -104,7 +147,7 @@ sub refresh {
 sub list_untracked {
        map {
                chomp $_;
-               $_;
+               unquote_path($_);
        }
        run_cmd_pipe(qw(git ls-files --others --exclude-standard --), @ARGV);
 }
@@ -141,7 +184,8 @@ sub list_modified {
 
        if (@ARGV) {
                @tracked = map {
-                       chomp $_; $_;
+                       chomp $_;
+                       unquote_path($_);
                } run_cmd_pipe(qw(git ls-files --exclude-standard --), @ARGV);
                return if (!@tracked);
        }
@@ -153,6 +197,7 @@ sub list_modified {
                if (($add, $del, $file) =
                    /^([-\d]+)  ([-\d]+)        (.*)/) {
                        my ($change, $bin);
+                       $file = unquote_path($file);
                        if ($add eq '-' && $del eq '-') {
                                $change = 'binary';
                                $bin = 1;
@@ -168,6 +213,7 @@ sub list_modified {
                }
                elsif (($adddel, $file) =
                       /^ (create|delete) mode [0-7]+ (.*)$/) {
+                       $file = unquote_path($file);
                        $data{$file}{INDEX_ADDDEL} = $adddel;
                }
        }
@@ -175,6 +221,7 @@ sub list_modified {
        for (run_cmd_pipe(qw(git diff-files --numstat --summary --), @tracked)) {
                if (($add, $del, $file) =
                    /^([-\d]+)  ([-\d]+)        (.*)/) {
+                       $file = unquote_path($file);
                        if (!exists $data{$file}) {
                                $data{$file} = +{
                                        INDEX => 'unchanged',
@@ -196,6 +243,7 @@ sub list_modified {
                }
                elsif (($adddel, $file) =
                       /^ (create|delete) mode [0-7]+ (.*)$/) {
+                       $file = unquote_path($file);
                        $data{$file}{FILE_ADDDEL} = $adddel;
                }
        }
@@ -302,7 +350,8 @@ sub find_unique_prefixes {
                        }
                        %search = %{$search{$letter}};
                }
-               if ($soft_limit && $j + 1 > $soft_limit) {
+               if (ord($letters[0]) > 127 ||
+                   ($soft_limit && $j + 1 > $soft_limit)) {
                        $prefix = undef;
                        $remainder = $ret;
                }