From 688709a8a493292c49dbbca8eb3e184fa6fb4d3b Mon Sep 17 00:00:00 2001
From: Matthias Kruk <m@m10k.eu>
Date: Mon, 6 Jun 2022 09:21:19 +0900
Subject: [PATCH] include/gitlab: Add functions to modify webhooks

The gitlab module does not provide functions to interact with the
webhooks of projects, making it hard to write scripts that use this
functionality.

This commit adds functions to list, get, add, and remove webhooks
from a project.
---
 include/gitlab.sh | 115 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)

diff --git a/include/gitlab.sh b/include/gitlab.sh
index bb63659..d67e84b 100755
--- a/include/gitlab.sh
+++ b/include/gitlab.sh
@@ -97,6 +97,22 @@ _gitlab_post() {
 	return 1
 }
 
+_gitlab_delete() {
+	local token="$1"
+	local url="$2"
+
+	local res
+
+	if ! res=$(curl --silent --location -X DELETE    \
+			--header "Private-Token: $token" \
+			"$url"); then
+		return 1
+	fi
+
+	echo "$res"
+	return 0
+}
+
 _gitlab_put() {
 	local token="$1"
 	local url="$2"
@@ -456,6 +472,105 @@ gitlab_project_list() {
 	return 0
 }
 
+gitlab_project_list_hooks() {
+	local host="$1"
+	local token="$2"
+	local project="$3"
+
+	local project_id
+	local url
+	local resp
+
+	if ! project_id=$(gitlab_project_get_id "$host" "$token" "$project"); then
+		return 1
+	fi
+
+	url="$host/api/v4/projects/$project_id/hooks"
+	if ! resp=$(_gitlab_get "$token" "$url"); then
+		return 1
+	fi
+
+	echo "$resp"
+	return 0
+}
+
+gitlab_project_get_hook() {
+	local host="$1"
+	local token="$2"
+	local project="$3"
+	local hook="$4"
+
+	local project_id
+	local url
+	local resp
+
+	if ! project_id=$(gitlab_project_get_id "$host" "$token" "$project"); then
+		return 1
+	fi
+
+	url="$host/api/v4/projects/$project_id/$hook"
+	if ! resp=$(_gitlab_get "$token" "$url"); then
+		return 1
+	fi
+
+	echo "$resp"
+	return 0
+}
+
+gitlab_project_add_hook() {
+	local host="$1"
+	local token="$2"
+	local project="$3"
+	local hook_url="$4"
+	local branch="$5"
+
+	local project_id
+	local hook_data
+	local url
+	local resp
+
+	if ! project_id=$(gitlab_project_get_id "$host" "$token" "$project"); then
+		return 1
+	fi
+
+	url="$host/api/v4/projects/$project_id/hooks"
+	hook_data=$(json_object "url"                       "$hook_url" \
+	                        "push_events_branch_filter" "$branch")
+
+	log_info "POSTing $hook_data to $url"
+	if ! resp=$(_gitlab_post "$token" "$url" "$hook_data"); then
+		log_highlight "Response from Gitlab" <<< "$resp" | log_error
+		return 1
+	fi
+
+	echo "$resp"
+	return 0
+}
+
+gitlab_project_remove_hook() {
+	local host="$1"
+	local token="$2"
+	local project="$3"
+	local hook="$4"
+
+	local project_id
+	local url
+	local resp
+
+	if ! project_id=$(gitlab_project_get_id "$host" "$token" "$project"); then
+		return 1
+	fi
+
+	url="$host/api/v4/projects/$project_id/hooks/$hook"
+
+	if ! resp=$(_gitlab_delete "$token" "$url"); then
+		return 1
+	fi
+
+	echo "$resp"
+	return 0
+}
+
 gitlab_mergerequest_get_votes() {
 	local host="$1"
 	local token="$2"
-- 
2.47.3