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https://github.com/git/git
synced 2024-08-25 10:45:59 +00:00
Merge branch 'jk/difftool-in-subdir'
"git difftool <paths>..." started in a subdirectory failed to interpret the paths relative to that directory, which has been fixed. * jk/difftool-in-subdir: difftool: use Git::* functions instead of passing around state difftool: avoid $GIT_DIR and $GIT_WORK_TREE difftool: fix argument handling in subdirs
This commit is contained in:
commit
7647537e3e
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@ -37,14 +37,6 @@ sub usage
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exit($exitcode);
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}
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sub find_worktree
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{
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# Git->repository->wc_path() does not honor changes to the working
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# tree location made by $ENV{GIT_WORK_TREE} or the 'core.worktree'
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# config variable.
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return Git::command_oneline('rev-parse', '--show-toplevel');
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}
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sub print_tool_help
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{
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# See the comment at the bottom of file_diff() for the reason behind
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@ -67,14 +59,14 @@ sub exit_cleanup
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sub use_wt_file
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{
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my ($repo, $workdir, $file, $sha1) = @_;
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my ($workdir, $file, $sha1) = @_;
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my $null_sha1 = '0' x 40;
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if (-l "$workdir/$file" || ! -e _) {
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return (0, $null_sha1);
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}
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my $wt_sha1 = $repo->command_oneline('hash-object', "$workdir/$file");
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my $wt_sha1 = Git::command_oneline('hash-object', "$workdir/$file");
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my $use = ($sha1 eq $null_sha1) || ($sha1 eq $wt_sha1);
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return ($use, $wt_sha1);
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}
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@ -83,20 +75,17 @@ sub changed_files
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{
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my ($repo_path, $index, $worktree) = @_;
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$ENV{GIT_INDEX_FILE} = $index;
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$ENV{GIT_WORK_TREE} = $worktree;
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my $must_unset_git_dir = 0;
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if (not defined($ENV{GIT_DIR})) {
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$must_unset_git_dir = 1;
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$ENV{GIT_DIR} = $repo_path;
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}
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my @refreshargs = qw/update-index --really-refresh -q --unmerged/;
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my @gitargs = qw/diff-files --name-only -z/;
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my @gitargs = ('--git-dir', $repo_path, '--work-tree', $worktree);
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my @refreshargs = (
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@gitargs, 'update-index',
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'--really-refresh', '-q', '--unmerged');
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try {
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Git::command_oneline(@refreshargs);
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} catch Git::Error::Command with {};
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my $line = Git::command_oneline(@gitargs);
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my @diffargs = (@gitargs, 'diff-files', '--name-only', '-z');
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my $line = Git::command_oneline(@diffargs);
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my @files;
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if (defined $line) {
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@files = split('\0', $line);
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@ -105,26 +94,15 @@ sub changed_files
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}
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delete($ENV{GIT_INDEX_FILE});
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delete($ENV{GIT_WORK_TREE});
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delete($ENV{GIT_DIR}) if ($must_unset_git_dir);
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return map { $_ => 1 } @files;
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}
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sub setup_dir_diff
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{
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my ($repo, $workdir, $symlinks) = @_;
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# Run the diff; exit immediately if no diff found
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# 'Repository' and 'WorkingCopy' must be explicitly set to insure that
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# if $GIT_DIR and $GIT_WORK_TREE are set in ENV, they are actually used
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# by Git->repository->command*.
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my $repo_path = $repo->repo_path();
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my %repo_args = (Repository => $repo_path, WorkingCopy => $workdir);
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my $diffrepo = Git->repository(%repo_args);
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my ($workdir, $symlinks) = @_;
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my @gitargs = ('diff', '--raw', '--no-abbrev', '-z', @ARGV);
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my $diffrtn = $diffrepo->command_oneline(@gitargs);
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my $diffrtn = Git::command_oneline(@gitargs);
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exit(0) unless defined($diffrtn);
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# Build index info for left and right sides of the diff
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@ -176,12 +154,12 @@ sub setup_dir_diff
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if ($lmode eq $symlink_mode) {
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$symlink{$src_path}{left} =
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$diffrepo->command_oneline('show', "$lsha1");
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Git::command_oneline('show', $lsha1);
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}
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if ($rmode eq $symlink_mode) {
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$symlink{$dst_path}{right} =
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$diffrepo->command_oneline('show', "$rsha1");
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Git::command_oneline('show', $rsha1);
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}
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if ($lmode ne $null_mode and $status !~ /^C/) {
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@ -193,8 +171,8 @@ sub setup_dir_diff
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if ($working_tree_dups{$dst_path}++) {
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next;
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}
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my ($use, $wt_sha1) = use_wt_file($repo, $workdir,
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$dst_path, $rsha1);
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my ($use, $wt_sha1) =
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use_wt_file($workdir, $dst_path, $rsha1);
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if ($use) {
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push @working_tree, $dst_path;
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$wtindex .= "$rmode $wt_sha1\t$dst_path\0";
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@ -211,44 +189,34 @@ sub setup_dir_diff
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mkpath($ldir) or exit_cleanup($tmpdir, 1);
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mkpath($rdir) or exit_cleanup($tmpdir, 1);
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# If $GIT_DIR is not set prior to calling 'git update-index' and
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# 'git checkout-index', then those commands will fail if difftool
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# is called from a directory other than the repo root.
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my $must_unset_git_dir = 0;
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if (not defined($ENV{GIT_DIR})) {
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$must_unset_git_dir = 1;
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$ENV{GIT_DIR} = $repo_path;
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}
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# Populate the left and right directories based on each index file
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my ($inpipe, $ctx);
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$ENV{GIT_INDEX_FILE} = "$tmpdir/lindex";
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($inpipe, $ctx) =
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$repo->command_input_pipe(qw(update-index -z --index-info));
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Git::command_input_pipe('update-index', '-z', '--index-info');
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print($inpipe $lindex);
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$repo->command_close_pipe($inpipe, $ctx);
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Git::command_close_pipe($inpipe, $ctx);
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my $rc = system('git', 'checkout-index', '--all', "--prefix=$ldir/");
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exit_cleanup($tmpdir, $rc) if $rc != 0;
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$ENV{GIT_INDEX_FILE} = "$tmpdir/rindex";
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($inpipe, $ctx) =
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$repo->command_input_pipe(qw(update-index -z --index-info));
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Git::command_input_pipe('update-index', '-z', '--index-info');
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print($inpipe $rindex);
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$repo->command_close_pipe($inpipe, $ctx);
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Git::command_close_pipe($inpipe, $ctx);
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$rc = system('git', 'checkout-index', '--all', "--prefix=$rdir/");
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exit_cleanup($tmpdir, $rc) if $rc != 0;
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$ENV{GIT_INDEX_FILE} = "$tmpdir/wtindex";
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($inpipe, $ctx) =
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$repo->command_input_pipe(qw(update-index --info-only -z --index-info));
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Git::command_input_pipe('update-index', '--info-only', '-z', '--index-info');
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print($inpipe $wtindex);
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$repo->command_close_pipe($inpipe, $ctx);
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Git::command_close_pipe($inpipe, $ctx);
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# If $GIT_DIR was explicitly set just for the update/checkout
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# commands, then it should be unset before continuing.
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delete($ENV{GIT_DIR}) if ($must_unset_git_dir);
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delete($ENV{GIT_INDEX_FILE});
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# Changes in the working tree need special treatment since they are
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@ -415,9 +383,9 @@ sub dir_diff
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my $rc;
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my $error = 0;
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my $repo = Git->repository();
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my $workdir = find_worktree();
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my ($a, $b, $tmpdir, @worktree) =
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setup_dir_diff($repo, $workdir, $symlinks);
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my $repo_path = $repo->repo_path();
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my $workdir = $repo->wc_path();
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my ($a, $b, $tmpdir, @worktree) = setup_dir_diff($workdir, $symlinks);
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if (defined($extcmd)) {
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$rc = system($extcmd, $a, $b);
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@ -443,10 +411,10 @@ sub dir_diff
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next if ! -f "$b/$file";
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if (!$indices_loaded) {
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%wt_modified = changed_files($repo->repo_path(),
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"$tmpdir/wtindex", "$workdir");
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%tmp_modified = changed_files($repo->repo_path(),
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"$tmpdir/wtindex", "$b");
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%wt_modified = changed_files(
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$repo_path, "$tmpdir/wtindex", $workdir);
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%tmp_modified = changed_files(
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$repo_path, "$tmpdir/wtindex", $b);
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$indices_loaded = 1;
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}
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@ -412,6 +412,20 @@ run_dir_diff_test 'difftool --dir-diff from subdirectory' '
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)
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'
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run_dir_diff_test 'difftool --dir-diff from subdirectory with GIT_DIR set' '
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(
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GIT_DIR=$(pwd)/.git &&
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export GIT_DIR &&
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GIT_WORK_TREE=$(pwd) &&
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export GIT_WORK_TREE &&
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cd sub &&
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git difftool --dir-diff $symlinks --extcmd ls \
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branch -- sub >output &&
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grep sub output &&
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! grep file output
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)
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'
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run_dir_diff_test 'difftool --dir-diff when worktree file is missing' '
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test_when_finished git reset --hard &&
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rm file2 &&
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