diff --git a/Documentation/git-difftool.txt b/Documentation/git-difftool.txt index 484c485fd0..143b0c49d7 100644 --- a/Documentation/git-difftool.txt +++ b/Documentation/git-difftool.txt @@ -34,6 +34,14 @@ OPTIONS This is the default behaviour; the option is provided to override any configuration settings. +--rotate-to=:: + Start showing the diff for the given path, + the paths before it will move to end and output. + +--skip-to=:: + Start showing the diff for the given path, skipping all + the paths before it. + -t :: --tool=:: Use the diff tool specified by . Valid values include diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index 9192c141ff..3e041e83ae 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -762,4 +762,36 @@ test_expect_success 'difftool --gui, --tool and --extcmd are mutually exclusive' test_must_fail git difftool --gui --tool=test-tool --extcmd=cat ' +test_expect_success 'difftool --rotate-to' ' + difftool_test_setup && + test_when_finished git reset --hard && + echo 1 >1 && + echo 2 >2 && + echo 4 >4 && + git add 1 2 4 && + git commit -a -m "124" && + git difftool --no-prompt --extcmd=cat --rotate-to="2" HEAD^ >output&& + cat >expect <<-\EOF && + 2 + 4 + 1 + EOF + test_cmp output expect +' + +test_expect_success 'difftool --skip-to' ' + difftool_test_setup && + test_when_finished git reset --hard && + git difftool --no-prompt --extcmd=cat --skip-to="2" HEAD^ >output && + cat >expect <<-\EOF && + 2 + 4 + EOF + test_cmp output expect +' + +test_expect_success 'difftool --rotate/skip-to error condition' ' + test_must_fail git difftool --no-prompt --extcmd=cat --rotate-to="3" HEAD^ && + test_must_fail git difftool --no-prompt --extcmd=cat --skip-to="3" HEAD^ +' test_done