fix: handle undefined API prefix

Author: pvdlg

lib/publish.js

@@ -7,21 +7,22 @@ const getRepoId = require('./get-repo-id');
 module.exports = async (pluginConfig, {repositoryUrl}, {gitHead, gitTag, notes}, logger) => {
   const {gitlabToken, gitlabUrl, gitlabApiPathPrefix} = resolveConfig(pluginConfig);
   const repoId = encodeURIComponent(getRepoId(gitlabUrl, repositoryUrl));
+  const apiUrl = urlJoin(gitlabUrl, gitlabApiPathPrefix);
 
   debug('repoId: %o', repoId);
   debug('release name: %o', gitTag);
   debug('release ref: %o', gitHead);
 
   try {
     // Test if the tag already exists
-    await got.get(urlJoin(gitlabUrl, gitlabApiPathPrefix, `/projects/${repoId}/repository/tags/${gitTag}`), {
+    await got.get(urlJoin(apiUrl, `/projects/${repoId}/repository/tags/${gitTag}`), {
       json: true,
       headers: {'Private-Token': gitlabToken},
     });
     debug('The git tag %o already exists, update the release description', gitTag);
     // Update the release notes
     await got.post(
-      urlJoin(gitlabUrl, gitlabApiPathPrefix, `/projects/${repoId}/repository/tags/${gitTag}/release`),
+      urlJoin(apiUrl, `/projects/${repoId}/repository/tags/${gitTag}/release`),
       {json: true, headers: {'Private-Token': gitlabToken}, body: {tag_name: gitTag, description: notes}} // eslint-disable-line camelcase
     );
   } catch (err) {
@@ -30,7 +31,7 @@ module.exports = async (pluginConfig, {repositoryUrl}, {gitHead, gitTag, notes},
       throw err;
     }
     debug('Create git tag %o with commit %o and release description', gitTag, gitHead);
-    await got.post(urlJoin(gitlabUrl, gitlabApiPathPrefix, `/projects/${repoId}/repository/tags/${gitTag}/release`), {
+    await got.post(urlJoin(apiUrl, `/projects/${repoId}/repository/tags/${gitTag}/release`), {
       json: true,
       headers: {'PRIVATE-TOKEN': gitlabToken},
       body: {tag_name: gitTag, ref: gitHead, release_description: notes}, // eslint-disable-line camelcase

lib/verify.js

@@ -23,14 +23,16 @@ module.exports = async (pluginConfig, {repositoryUrl}, logger) => {
     );
   }
 
-  logger.log('Verify GitLab authentication (%s)', urlJoin(gitlabUrl, gitlabApiPathPrefix));
+  const apiUrl = urlJoin(gitlabUrl, gitlabApiPathPrefix);
+
+  logger.log('Verify GitLab authentication (%s)', apiUrl);
 
   let projectAccess;
   let groupAccess;
 
   try {
     ({body: {permissions: {project_access: projectAccess, group_access: groupAccess}}} = await got.get(
-      urlJoin(gitlabUrl, gitlabApiPathPrefix, `/projects/${encodeURIComponent(repoId)}`),
+      urlJoin(apiUrl, `/projects/${encodeURIComponent(repoId)}`),
       {json: true, headers: {'Private-Token': gitlabToken}}
     ));
   } catch (err) {