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-rwxr-xr-xgit-difftool.perl7
-rwxr-xr-xt/t7800-difftool.sh13
2 files changed, 17 insertions, 3 deletions
diff --git a/git-difftool.perl b/git-difftool.perl
index bade735cc1..93e84e8d3d 100755
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -22,7 +22,8 @@ sub usage
{
print << 'USAGE';
usage: git difftool [-t|--tool=<tool>]
- [-x|--extcmd=<cmd>] [-g|--gui]
+ [-x|--extcmd=<cmd>]
+ [-g|--gui] [--no-gui]
[--prompt] [-y|--no-prompt]
['git diff' options]
USAGE
@@ -49,7 +50,7 @@ sub exe
# parse command-line options. all unrecognized options and arguments
# are passed through to the 'git diff' command.
my ($difftool_cmd, $extcmd, $gui, $help, $prompt);
-GetOptions('g|gui' => \$gui,
+GetOptions('g|gui!' => \$gui,
'h' => \$help,
'prompt!' => \$prompt,
'y' => sub { $prompt = 0; },
@@ -75,7 +76,7 @@ if (defined($extcmd)) {
usage();
}
}
-if (defined($gui)) {
+if ($gui) {
my $guitool = "";
$guitool = Git::config('diff.guitool');
if (length($guitool) > 0) {
diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 4fb4c9384a..e716d066c9 100755
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -94,6 +94,19 @@ test_expect_success PERL 'difftool honors --gui' '
restore_test_defaults
'
+test_expect_success PERL 'difftool --gui last setting wins' '
+ git config diff.guitool bogus-tool &&
+ git difftool --no-prompt --gui --no-gui &&
+
+ git config merge.tool bogus-tool &&
+ git config diff.tool bogus-tool &&
+ git config diff.guitool test-tool &&
+ diff=$(git difftool --no-prompt --no-gui --gui branch) &&
+ test "$diff" = "branch" &&
+
+ restore_test_defaults
+'
+
test_expect_success PERL 'difftool --gui works without configured diff.guitool' '
git config diff.tool test-tool &&