diff options
| -rw-r--r-- | Documentation/git-difftool.txt | 9 | ||||
| -rwxr-xr-x | git-difftool.perl | 13 | ||||
| -rwxr-xr-x | t/t7800-difftool.sh | 12 |
3 files changed, 33 insertions, 1 deletions
diff --git a/Documentation/git-difftool.txt b/Documentation/git-difftool.txt index 8e9aed67d..a5bce6278 100644 --- a/Documentation/git-difftool.txt +++ b/Documentation/git-difftool.txt @@ -58,6 +58,12 @@ is set to the name of the temporary file containing the contents of the diff post-image. `$BASE` is provided for compatibility with custom merge tool commands and has the same value as `$LOCAL`. +-g:: +--gui:: + When 'git-difftool' is invoked with the `-g` or `--gui` option + the default diff tool will be read from the configured + `diff.guitool` variable instead of `diff.tool`. + See linkgit:git-diff[1] for the full list of supported options. CONFIG VARIABLES @@ -68,6 +74,9 @@ difftool equivalents have not been defined. diff.tool:: The default diff tool to use. +diff.guitool:: + The default diff tool to use when `--gui` is specified. + difftool.<tool>.path:: Override the path for the given tool. This is useful in case your tool is not in the PATH. diff --git a/git-difftool.perl b/git-difftool.perl index ba5e60a45..8c836e4c7 100755 --- a/git-difftool.perl +++ b/git-difftool.perl @@ -15,13 +15,16 @@ use warnings; use Cwd qw(abs_path); use File::Basename qw(dirname); +require Git; + my $DIR = abs_path(dirname($0)); sub usage { print << 'USAGE'; -usage: git difftool [--tool=<tool>] [-y|--no-prompt] ["git diff" options] +usage: git difftool [-g|--gui] [-t|--tool=<tool>] [-y|--no-prompt] + ["git diff" options] USAGE exit 1; } @@ -63,6 +66,14 @@ sub generate_command $ENV{GIT_DIFF_TOOL} = substr($arg, 7); next; } + if ($arg eq '-g' || $arg eq '--gui') { + my $tool = Git::command_oneline('config', + 'diff.guitool'); + if (length($tool)) { + $ENV{GIT_DIFF_TOOL} = $tool; + } + next; + } if ($arg eq '-y' || $arg eq '--no-prompt') { $ENV{GIT_DIFFTOOL_NO_PROMPT} = 'true'; delete $ENV{GIT_DIFFTOOL_PROMPT}; diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index 707a0f54a..9bf6c98c5 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -19,6 +19,7 @@ remove_config_vars() { # Unset all config variables used by git-difftool git config --unset diff.tool + git config --unset diff.guitool git config --unset difftool.test-tool.cmd git config --unset difftool.prompt git config --unset merge.tool @@ -77,6 +78,17 @@ test_expect_success 'difftool ignores bad --tool values' ' test "$diff" = "" ' +test_expect_success 'difftool honors --gui' ' + git config merge.tool bogus-tool && + git config diff.tool bogus-tool && + git config diff.guitool test-tool && + + diff=$(git difftool --no-prompt --gui branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + # Specify the diff tool using $GIT_DIFF_TOOL test_expect_success 'GIT_DIFF_TOOL variable' ' git config --unset diff.tool |