diff options
Diffstat (limited to 'git-difftool.perl')
| -rwxr-xr-x | git-difftool.perl | 55 |
1 files changed, 32 insertions, 23 deletions
diff --git a/git-difftool.perl b/git-difftool.perl index a5790d0..e26294f 100755 --- a/git-difftool.perl +++ b/git-difftool.perl @@ -59,14 +59,14 @@ sub exit_cleanup sub use_wt_file { - my ($workdir, $file, $sha1) = @_; + my ($file, $sha1) = @_; my $null_sha1 = '0' x 40; - if (-l "$workdir/$file" || ! -e _) { + if (-l $file || ! -e _) { return (0, $null_sha1); } - my $wt_sha1 = Git::command_oneline('hash-object', "$workdir/$file"); + my $wt_sha1 = Git::command_oneline('hash-object', $file); my $use = ($sha1 eq $null_sha1) || ($sha1 eq $wt_sha1); return ($use, $wt_sha1); } @@ -100,11 +100,17 @@ sub changed_files sub setup_dir_diff { - my ($workdir, $symlinks) = @_; + my ($worktree, $symlinks) = @_; my @gitargs = ('diff', '--raw', '--no-abbrev', '-z', @ARGV); my $diffrtn = Git::command_oneline(@gitargs); exit(0) unless defined($diffrtn); + # Go to the root of the worktree now that we've captured the list of + # changed files. The paths returned by diff --raw are relative to the + # top-level of the repository, but we defer changing directories so + # that @ARGV can perform pathspec limiting in the current directory. + chdir($worktree); + # Build index info for left and right sides of the diff my $submodule_mode = '160000'; my $symlink_mode = '120000'; @@ -115,7 +121,7 @@ sub setup_dir_diff my $wtindex = ''; my %submodule; my %symlink; - my @working_tree = (); + my @files = (); my %working_tree_dups = (); my @rawdiff = split('\0', $diffrtn); @@ -167,14 +173,14 @@ EOF } if ($rmode ne $null_mode) { - # Avoid duplicate working_tree entries + # Avoid duplicate entries if ($working_tree_dups{$dst_path}++) { next; } my ($use, $wt_sha1) = - use_wt_file($workdir, $dst_path, $rsha1); + use_wt_file($dst_path, $rsha1); if ($use) { - push @working_tree, $dst_path; + push @files, $dst_path; $wtindex .= "$rmode $wt_sha1\t$dst_path\0"; } else { $rindex .= "$rmode $rsha1\t$dst_path\0"; @@ -182,6 +188,10 @@ EOF } } + # Go to the root of the worktree so that the left index files + # are properly setup -- the index is toplevel-relative. + chdir($worktree); + # Setup temp directories my $tmpdir = tempdir('git-difftool.XXXXX', CLEANUP => 0, TMPDIR => 1); my $ldir = "$tmpdir/left"; @@ -220,23 +230,21 @@ EOF delete($ENV{GIT_INDEX_FILE}); # Changes in the working tree need special treatment since they are - # not part of the index. Remove any trailing slash from $workdir - # before starting to avoid double slashes in symlink targets. - $workdir =~ s|/$||; - for my $file (@working_tree) { + # not part of the index. + for my $file (@files) { my $dir = dirname($file); unless (-d "$rdir/$dir") { mkpath("$rdir/$dir") or exit_cleanup($tmpdir, 1); } if ($symlinks) { - symlink("$workdir/$file", "$rdir/$file") or + symlink("$worktree/$file", "$rdir/$file") or exit_cleanup($tmpdir, 1); } else { - copy("$workdir/$file", "$rdir/$file") or + copy($file, "$rdir/$file") or exit_cleanup($tmpdir, 1); - my $mode = stat("$workdir/$file")->mode; + my $mode = stat($file)->mode; chmod($mode, "$rdir/$file") or exit_cleanup($tmpdir, 1); } @@ -274,7 +282,7 @@ EOF exit_cleanup($tmpdir, 1) if not $ok; } - return ($ldir, $rdir, $tmpdir, @working_tree); + return ($ldir, $rdir, $tmpdir, @files); } sub write_to_file @@ -384,8 +392,9 @@ sub dir_diff my $error = 0; my $repo = Git->repository(); my $repo_path = $repo->repo_path(); - my $workdir = $repo->wc_path(); - my ($a, $b, $tmpdir, @worktree) = setup_dir_diff($workdir, $symlinks); + my $worktree = $repo->wc_path(); + $worktree =~ s|/$||; # Avoid double slashes in symlink targets + my ($a, $b, $tmpdir, @files) = setup_dir_diff($worktree, $symlinks); if (defined($extcmd)) { $rc = system($extcmd, $a, $b); @@ -406,13 +415,13 @@ sub dir_diff my %tmp_modified; my $indices_loaded = 0; - for my $file (@worktree) { + for my $file (@files) { next if $symlinks && -l "$b/$file"; next if ! -f "$b/$file"; if (!$indices_loaded) { %wt_modified = changed_files( - $repo_path, "$tmpdir/wtindex", $workdir); + $repo_path, "$tmpdir/wtindex", $worktree); %tmp_modified = changed_files( $repo_path, "$tmpdir/wtindex", $b); $indices_loaded = 1; @@ -420,17 +429,17 @@ sub dir_diff if (exists $wt_modified{$file} and exists $tmp_modified{$file}) { my $errmsg = "warning: Both files modified: "; - $errmsg .= "'$workdir/$file' and '$b/$file'.\n"; + $errmsg .= "'$worktree/$file' and '$b/$file'.\n"; $errmsg .= "warning: Working tree file has been left.\n"; $errmsg .= "warning:\n"; warn $errmsg; $error = 1; } elsif (exists $tmp_modified{$file}) { my $mode = stat("$b/$file")->mode; - copy("$b/$file", "$workdir/$file") or + copy("$b/$file", $file) or exit_cleanup($tmpdir, 1); - chmod($mode, "$workdir/$file") or + chmod($mode, $file) or exit_cleanup($tmpdir, 1); } } |