push.default doc: explain simple after upstream

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 395adfc8a946bfd67b8a61cbef1366b78d9d855e..2763d795f0ae94c56a77fb630210df0928df468e 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -38,7 +38,17 @@ restore_test_defaults()
 prompt_given()
 {
        prompt="$1"
-       test "$prompt" = "Hit return to launch 'test-tool': branch"
+       test "$prompt" = "Launch 'test-tool' [Y/n]: branch"
+}
+
+stdin_contains()
+{
+       grep >/dev/null "$1"
+}
+
+stdin_doesnot_contain()
+{
+       ! stdin_contains "$1"
 }
 
 # Create a file on master and change it on branch
@@ -73,6 +83,17 @@ test_expect_success PERL 'difftool ignores bad --tool values' '
        test "$diff" = ""
 '
 
+test_expect_success PERL 'difftool forwards arguments to diff' '
+       >for-diff &&
+       git add for-diff &&
+       echo changes>for-diff &&
+       git add for-diff &&
+       diff=$(git difftool --cached --no-prompt -- for-diff) &&
+       test "$diff" = "" &&
+       git reset -- for-diff &&
+       rm for-diff
+'
+
 test_expect_success PERL 'difftool honors --gui' '
        git config merge.tool bogus-tool &&
        git config diff.tool bogus-tool &&
@@ -265,4 +286,35 @@ test_expect_success PERL 'difftool --extcmd cat arg2' '
        test "$diff" = branch
 '
 
+# Create a second file on master and a different version on branch
+test_expect_success PERL 'setup with 2 files different' '
+       echo m2 >file2 &&
+       git add file2 &&
+       git commit -m "added file2" &&
+
+       git checkout branch &&
+       echo br2 >file2 &&
+       git add file2 &&
+       git commit -a -m "branch changed file2" &&
+       git checkout master
+'
+
+test_expect_success PERL 'say no to the first file' '
+       diff=$( (echo n; echo) | git difftool -x cat branch ) &&
+
+       echo "$diff" | stdin_contains m2 &&
+       echo "$diff" | stdin_contains br2 &&
+       echo "$diff" | stdin_doesnot_contain master &&
+       echo "$diff" | stdin_doesnot_contain branch
+'
+
+test_expect_success PERL 'say no to the second file' '
+       diff=$( (echo; echo n) | git difftool -x cat branch ) &&
+
+       echo "$diff" | stdin_contains master &&
+       echo "$diff" | stdin_contains branch &&
+       echo "$diff" | stdin_doesnot_contain m2 &&
+       echo "$diff" | stdin_doesnot_contain br2
+'
+
 test_done