Add GitHub branches (#1969)

docs/programming.md

@@ -89,6 +89,8 @@ GitHub 官方也提供了一些 RSS:
 
 <Route name="仓库 Stars" author="HenryQW" example="/github/stars/DIYgod/RSSHub" path="/github/stars/:user/:repo" :paramsDesc="['用户名', '仓库名']"/>
 
+<Route name="仓库 Branches" author="max-arnold" example="/github/branches/DIYgod/RSSHub" path="/github/branches/:user/:repo" :paramsDesc="['用户名', '仓库名']"/>
+
 <Route name="搜索结果" author="LogicJake" example="/github/search/RSSHub/bestmatch/desc" path="/github/search/:query/:sort?/:order?" :paramsDesc="['搜索关键词', '排序选项（默认为bestmatch）','排序顺序，desc和asc（默认desc降序）']"/>
 
 | 排序选项           | sort      |

lib/router.js

@@ -340,6 +340,7 @@ router.get('/github/pull/:user/:repo', require('./routes/github/pulls'));
 router.get('/github/user/followers/:user', require('./routes/github/follower'));
 router.get('/github/stars/:user/:repo', require('./routes/github/star'));
 router.get('/github/search/:query/:sort?/:order?', require('./routes/github/search'));
+router.get('/github/branches/:user/:repo', require('./routes/github/branches'));
 
 // f-droid
 router.get('/fdroid/apprelease/:app', require('./routes/fdroid/apprelease'));

lib/routes/github/branches.js

@@ -0,0 +1,25 @@
+const axios = require('../../utils/axios');
+
+module.exports = async (ctx) => {
+    const user = ctx.params.user;
+    const repo = ctx.params.repo;
+
+    const host = `https://github.com/${user}/${repo}`;
+    const url = `https://api.github.com/repos/${user}/${repo}/branches`;
+
+    const response = await axios({
+        method: 'get',
+        url,
+    });
+    const data = response.data;
+
+    ctx.state.data = {
+        title: `${user}/${repo} Branches`,
+        link: `${host}/branches/all`,
+        item: data.map((item) => ({
+            title: item.name,
+            description: item.name,
+            link: `${host}/commits/${item.name}`,
+        })),
+    };
+};