git-p4: add the `p4-pre-submit` hook

diff --git a/t/t9800-git-p4-basic.sh b/t/t9800-git-p4-basic.sh
index 4849edc4ef6733b8cf42950b3cd5fe809a80cdde..729cd25770177aa52bade1100bb4ddae1456d269 100755 (executable)
--- a/t/t9800-git-p4-basic.sh
+++ b/t/t9800-git-p4-basic.sh
@@ -261,6 +261,35 @@ test_expect_success 'unresolvable host in P4PORT should display error' '
        )
 '
 
+# Test following scenarios:
+#   - Without ".git/hooks/p4-pre-submit" , submit should continue
+#   - With the hook returning 0, submit should continue
+#   - With the hook returning 1, submit should abort
+test_expect_success 'run hook p4-pre-submit before submit' '
+       test_when_finished cleanup_git &&
+       git p4 clone --dest="$git" //depot &&
+       (
+               cd "$git" &&
+               echo "hello world" >hello.txt &&
+               git add hello.txt &&
+               git commit -m "add hello.txt" &&
+               git config git-p4.skipSubmitEdit true &&
+               git p4 submit --dry-run >out &&
+               grep "Would apply" out &&
+               mkdir -p .git/hooks &&
+               write_script .git/hooks/p4-pre-submit <<-\EOF &&
+               exit 0
+               EOF
+               git p4 submit --dry-run >out &&
+               grep "Would apply" out &&
+               write_script .git/hooks/p4-pre-submit <<-\EOF &&
+               exit 1
+               EOF
+               test_must_fail git p4 submit --dry-run >errs 2>&1 &&
+               ! grep "Would apply" errs
+       )
+'
+
 test_expect_success 'submit from detached head' '
        test_when_finished cleanup_git &&
        git p4 clone --dest="$git" //depot &&