Handle branch names containing hyphen separators

src/dependabot/update_metadata.test.ts

@@ -106,7 +106,7 @@ test('it supports multiple dependencies within a single fragment', async () => {
     return Promise.resolve(0)
   }
 
-  const updatedDependencies = await updateMetadata.parse(commitMessage, body, 'dependabot/nuget/api/main/coffee-rails', 'main', getAlert, getScore)
+  const updatedDependencies = await updateMetadata.parse(commitMessage, body, 'dependabot/nuget/api/main/coffee-rails/and/coffeescript', 'main', getAlert, getScore)
 
   expect(updatedDependencies).toHaveLength(2)
 
@@ -299,6 +299,105 @@ test('it properly handles dependencies which contain slashes', async () => {
   expect(updatedDependencies[0].dependencyGroup).toEqual('')
 })
 
+test('it handles branch names with hyphen separator', async () => {
+  const commitMessage =
+      '- [Release notes](https://github.com/fsevents/fsevents/releases)\n' +
+      '- [Commits](fsevents/fsevents@v1.2.9...v1.2.13)\n' +
+      '\n' +
+      '---\n' +
+      'updated-dependencies:\n' +
+      '- dependency-name: fsevents\n' +
+      '  dependency-type: indirect\n' +
+      '...\n' +
+      '\n' +
+      'Signed-off-by: dependabot[bot] <support@github.com>'
+
+  const getAlert = async () => Promise.resolve({ alertState: '', ghsaId: '', cvss: 0 })
+  const getScore = async () => Promise.resolve(0)
+  const updatedDependencies = await updateMetadata.parse(commitMessage, '', 'dependabot-npm_and_yarn-fsevents-1.2.13', 'master', getAlert, getScore)
+
+  expect(updatedDependencies[0].directory).toEqual('/')
+})
+
+test('it handles branch names with hyphen separator and manifest files in nested directories', async () => {
+  const commitMessage =
+      '- [Release notes](https://github.com/fsevents/fsevents/releases)\n' +
+      '- [Commits](fsevents/fsevents@v1.2.9...v1.2.13)\n' +
+      '\n' +
+      '---\n' +
+      'updated-dependencies:\n' +
+      '- dependency-name: fsevents\n' +
+      '  dependency-type: indirect\n' +
+      '...\n' +
+      '\n' +
+      'Signed-off-by: dependabot[bot] <support@github.com>'
+
+  const getAlert = async () => Promise.resolve({ alertState: '', ghsaId: '', cvss: 0 })
+  const getScore = async () => Promise.resolve(0)
+  const updatedDependencies = await updateMetadata.parse(commitMessage, '', 'dependabot-npm_and_yarn-nested-nested-fsevents-1.2.13', 'master', getAlert, getScore)
+
+  expect(updatedDependencies[0].directory).toEqual('/nested/nested')
+})
+
+test('it handles branch names with hyphen separator and dependency names with forward slashes', async () => {
+  const commitMessage =
+      '- [Release notes](https://github.com/composer/composer/releases)\n' +
+      '- [Changelog](https://github.com/composer/composer/blob/main/CHANGELOG.md)\n' +
+      '- [Commits](composer/composer@1.10.26...2.6.5)\n' +
+      '\n' +
+      '---\n' +
+      'updated-dependencies:\n' +
+      '- dependency-name: composer/composer\n' +
+      '  dependency-type: indirect\n' +
+      '...\n' +
+      '\n' +
+      'Signed-off-by: dependabot[bot] <support@github.com>'
+
+  const getAlert = async () => Promise.resolve({ alertState: '', ghsaId: '', cvss: 0 })
+  const getScore = async () => Promise.resolve(0)
+  const updatedDependencies = await updateMetadata.parse(commitMessage, '', 'dependabot-composer-composer-composer-2.6.5', 'master', getAlert, getScore)
+
+  expect(updatedDependencies[0].directory).toEqual('/')
+})
+
+test('it handles branch names with hyphen separator and multiple dependencies', async () => {
+  const commitMessage =
+      'Updates `twilio-video` from 2.7.0 to 2.28.1\n' +
+      '- [Release notes](https://github.com/twilio/twilio-video.js/releases)\n' +
+      '- [Changelog](https://github.com/twilio/twilio-video.js/blob/master/CHANGELOG.md)\n' +
+      '- [Commits](twilio/twilio-video.js@2.7.0...2.28.1)\n' +
+      '\n' +
+      'Updates `@types/twilio-video` from 2.7.0 to 2.11.0\n' +
+      '- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)\n' +
+      '- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/twilio-video)\n' +
+      '\n' +
+      '---\n' +
+      'updated-dependencies:\n' +
+      '- dependency-name: twilio-video\n' +
+      '  dependency-type: direct:production\n' +
+      '  update-type: version-update:semver-minor\n' +
+      '- dependency-name: "@types/twilio-video"\n' +
+      '  dependency-type: direct:development\n' +
+      '  update-type: version-update:semver-minor\n' +
+      '...\n' +
+      '\n' +
+      'Signed-off-by: dependabot[bot] <support@github.com>'
+
+  const getAlert = async () => Promise.resolve({ alertState: '', ghsaId: '', cvss: 0 })
+  const getScore = async () => Promise.resolve(0)
+
+  const updatedDependencies = await updateMetadata.parse(
+    commitMessage,
+    '',
+    'dependabot-npm_and_yarn-twilio-video-and-types-twilio-video-2.28.1',
+    'master',
+    getAlert,
+    getScore
+  )
+
+  expect(updatedDependencies[0].directory).toEqual('/')
+})
+
 test('calculateUpdateType should handle all paths', () => {
   expect(updateMetadata.calculateUpdateType('', '')).toEqual('')
   expect(updateMetadata.calculateUpdateType('', '1')).toEqual('')

src/dependabot/update_metadata.ts

@@ -28,6 +28,32 @@ export interface scoreLookup {
     (dependencyName: string, previousVersion: string, newVersion: string, ecosystem: string): Promise<number>;
 }
 
+function branchNameToDirectoryName (chunks: string[], delimiter: string, updatedDependencies: any): string {
+  // We can always slice after the first 2 pieces, because they will always contain "dependabot" followed by the name
+  // of the package ecosystem. e.g. "dependabot/npm_and_yarn".
+  const sliceStart = 2
+  let sliceEnd = chunks.length
+
+  // If the delimiter is "-", we assume the last piece of the branch name is a version number.
+  if (delimiter === '-') {
+    sliceEnd -= 1
+  }
+
+  // If there is more than 1 dependency name being updated, we assume 1 piece of the branch name will be "and".
+  if (updatedDependencies.length > 1) {
+    sliceEnd -= 1
+  }
+
+  updatedDependencies.forEach(dependency => {
+    // After replacing "/" in the dependency name with the delimiter, which could also be "/", we count how many pieces
+    // the dependency name would split into by the delimiter, and slicing that amount off the end of the branch name.
+    // e.g. "@types/twilio-video" and a delimiter of "-" would show up in the branch name as "types-twilio-video".
+    sliceEnd -= dependency['dependency-name'].replace('/', delimiter).split(delimiter).length
+  })
+
+  return `/${chunks.slice(sliceStart, sliceEnd).join('/')}`
+}
+
 export async function parse (commitMessage: string, body: string, branchName: string, mainBranch: string, lookup?: alertLookup, getScore?: scoreLookup): Promise<Array<updatedDependency>> {
   const bumpFragment = commitMessage.match(/^Bumps .* from (?<from>v?\d[^ ]*) to (?<to>v?\d[^ ]*)\.$/m)
   const updateFragment = commitMessage.match(/^Update .* requirement from \S*? ?(?<from>v?\d\S*) to \S*? ?(?<to>v?\d\S*)$/m)
@@ -48,8 +74,9 @@ export async function parse (commitMessage: string, body: string, branchName: st
     const dependencyGroup = groupName?.groups?.name ?? ''
 
     if (data['updated-dependencies']) {
+      const dirname = branchNameToDirectoryName(chunks, delim, data['updated-dependencies'])
+
       return await Promise.all(data['updated-dependencies'].map(async (dependency, index) => {
-        const dirname = `/${chunks.slice(2, -1 * (1 + (dependency['dependency-name'].match(/\//g) || []).length)).join(delim) || ''}`
         const lastVersion = index === 0 ? prev : ''
         const nextVersion = index === 0 ? next : ''
         const updateType = dependency['update-type'] || calculateUpdateType(lastVersion, nextVersion)
@@ -64,7 +91,7 @@ export async function parse (commitMessage: string, body: string, branchName: st
           newVersion: nextVersion,
           compatScore: await scoreFn(dependency['dependency-name'], lastVersion, nextVersion, chunks[1]),
           maintainerChanges: newMaintainer,
-          dependencyGroup: dependencyGroup,
+          dependencyGroup,
           ...await lookupFn(dependency['dependency-name'], lastVersion, dirname)
         }
       }))

src/dry-run.ts

@@ -93,4 +93,5 @@ require('yargs')(hideBin(process.argv))
   })
   .demandCommand(1)
   .help()
+  .strict()
   .argv

src/main.test.ts

@@ -415,7 +415,7 @@ test('if there are multiple dependencies, it summarizes them', async () => {
   const mockAlert = { alertState: '', ghsaId: '', cvss: 0 }
 
   jest.spyOn(core, 'getInput').mockReturnValue('mock-token')
-  jest.spyOn(util, 'getBranchNames').mockReturnValue({ headName: 'dependabot/npm_and_yarn/api/main/feature1', baseName: 'trunk' })
+  jest.spyOn(util, 'getBranchNames').mockReturnValue({ headName: 'dependabot/npm_and_yarn/api/main/coffee-rails/and/coffeescript', baseName: 'trunk' })
   jest.spyOn(dependabotCommits, 'getMessage').mockImplementation(jest.fn(
     () => Promise.resolve(mockCommitMessage)
   ))