Merge branch 'jt/send-email-validate-hook'

"git send-email" learned to run sendemail-validate hook to inspect
and reject a message before sending it out.

* jt/send-email-validate-hook:
  send-email: support validate hook

1 files changed, 40 insertions, 0 deletions

diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 60a80f60b2..15128c755a 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -1913,4 +1913,44 @@ test_expect_success $PREREQ 'leading and trailing whitespaces are removed' '
 	test_cmp expected-list actual-list
 '
 
+test_expect_success $PREREQ 'invoke hook' '
+	mkdir -p .git/hooks &&
+
+	write_script .git/hooks/sendemail-validate <<-\EOF &&
+	# test that we have the correct environment variable, pwd, and
+	# argument
+	case "$GIT_DIR" in
+	*.git)
+		true
+		;;
+	*)
+		false
+		;;
+	esac &&
+	test -f 0001-add-master.patch &&
+	grep "add master" "$1"
+	EOF
+
+	mkdir subdir &&
+	(
+		# Test that it works even if we are not at the root of the
+		# working tree
+		cd subdir &&
+		git send-email \
+			--from="Example <nobody@example.com>" \
+			--to=nobody@example.com \
+			--smtp-server="$(pwd)/../fake.sendmail" \
+			../0001-add-master.patch &&
+
+		# Verify error message when a patch is rejected by the hook
+		sed -e "s/add master/x/" ../0001-add-master.patch >../another.patch &&
+		git send-email \
+			--from="Example <nobody@example.com>" \
+			--to=nobody@example.com \
+			--smtp-server="$(pwd)/../fake.sendmail" \
+			../another.patch 2>err
+		test_i18ngrep "rejected by sendemail-validate hook" err
+	)
+'
+
 test_done