feat: gather git_commit_branch value

closes #41

README.md

@@ -6,11 +6,12 @@
 A small utility for generating `buildstamp` file, which contains various build info like timestamp, repo name, git commit and so on. This file could be a part of some release artifact (npm-package, docker-image) and makes it self-descriptive.
 ```json
 {
-  "date":             "2020-11-05T15:16:35.904Z",
-  "docker_image_tag": "foo",
-  "git_commit_id":    "007b8f715eb5670662d90f90cd1916398d1dfe98",
-  "git_rep_url":      "https://github.com/qiwi/buildstamp.git",
-  "git_repo_name":    "qiwi/buildstamp"
+  "date":               "2020-11-05T15:16:35.904Z",
+  "docker_image_tag":   "foo",
+  "git_commit_id":      "007b8f715eb5670662d90f90cd1916398d1dfe98",
+  "git_commit_branch":  "master",
+  "git_repo_url":       "https://github.com/qiwi/buildstamp.git",
+  "git_repo_name":      "qiwi/buildstamp"
 }
 ```
 

packages/bash/src/main/sh/buildstamp.sh

@@ -39,6 +39,10 @@ fi
 
 # Git info
 if [[ $opt_git == "true" ]]; then
+  git_commit_branch=$(getFirstDefined $CI_COMMIT_BRANCH $GITHUB_REF_NAME)
+  if [[ git_commit_branch == "" ]]; then
+    git_commit_branch = $(git rev-parse --abbrev-ref HEAD)
+  fi
   git_commit_id=$(git rev-parse HEAD)
   git_repo_url=$(git config --get remote.origin.url)
   re="([^./:]+\/[^./]+)(\.git)?$"
@@ -60,7 +64,7 @@ fi
 
 # Buildstamp render
 # use jq?
-for entry in "date" "git_commit_id" "git_repo_url" "git_repo_name" "ci_run_id" "ci_run_url"
+for entry in "date" "git_commit_id" "git_commit_branch" "git_repo_url" "git_repo_name" "ci_run_id" "ci_run_url"
 do
   if [[ ${!entry} != "" ]]; then
     json=$json\\n'  '\"$entry\":' '\"${!entry}\",

packages/bin/src/main/go/buildstamp/buildstamp.go

@@ -35,17 +35,29 @@ func GetPkgInfo(cwd string) PackageJson {
 }
 
 func GetGitInfo(cwd string) GitInfo {
-	var _, hash, _ = invoke("git", []string{"rev-parse", "HEAD"}, cwd)
+	var _, commitId, _ = invoke("git", []string{"rev-parse", "HEAD"}, cwd)
 	var _, repoUrl, _ = invoke("git", []string{"config", "--get", "remote.origin.url"}, cwd)
 	var repoName = string(repoUrl[strings.LastIndex(repoUrl, ":")+1 : strings.LastIndex(repoUrl, ".")])
+	var commitBranch = getCommitBranch(cwd)
 
 	return GitInfo{
-		hash,
+		commitId,
+		commitBranch,
 		repoUrl,
 		repoName,
 	}
 }
 
+func getCommitBranch(cwd string) string {
+	var commitBranch = getFirstNonEmpty(os.Getenv("CI_COMMIT_BRANCH"), os.Getenv("GITHUB_REF_NAME"))
+	if commitBranch == "" {
+		var _, branch, _ = invoke("git", []string{"rev-parse", "--abbrev-ref", "HEAD"}, cwd)
+		commitBranch = branch
+	}
+
+	return commitBranch
+}
+
 func GetCIInfo() CIInfo {
 	var runId = getFirstNonEmpty(os.Getenv("BUILD_NUMBER"), os.Getenv("CI_JOB_ID")+os.Getenv("GITHUB_RUN_ID"))
 	var runUrl = getFirstNonEmpty(os.Getenv("BUILD_URL"), os.Getenv("GITHUB_RUN_ID"))

packages/bin/src/main/go/buildstamp/types.go

@@ -1,12 +1,13 @@
 package buildstamp
 
 type Buildstamp struct {
-	Date        string `json:"date,omitempty"`
-	GitCommitId string `json:"git_commit_id,omitempty"`
-	GitRepoUrl  string `json:"git_repo_url,omitempty"`
-	GitRepoName string `json:"git_repo_name,omitempty"`
-	CIRunId     string `json:"ci_run_id,omitempty"`
-	CIRunUrl    string `json:"ci_run_url,omitempty"`
+	Date            string `json:"date,omitempty"`
+	GitCommitId     string `json:"git_commit_id,omitempty"`
+	GitCommitBranch string `json:"git_commit_branch,omitempty"`
+	GitRepoUrl      string `json:"git_repo_url,omitempty"`
+	GitRepoName     string `json:"git_repo_name,omitempty"`
+	CIRunId         string `json:"ci_run_id,omitempty"`
+	CIRunUrl        string `json:"ci_run_url,omitempty"`
 }
 
 type PackageJson struct {
@@ -20,7 +21,8 @@ type CIInfo struct {
 }
 
 type GitInfo struct {
-	CommitId string
-	RepoUrl  string
-	RepoName string
+	CommitId     string
+	CommitBranch string
+	RepoUrl      string
+	RepoName     string
 }

packages/bin/src/main/go/main.go

@@ -59,10 +59,11 @@ func main() {
 	}
 
 	var buildstamp, _ = json.MarshalIndent(Buildstamp{
+		date,
 		gitInfo.CommitId,
 		gitInfo.RepoUrl,
+		gitInfo.CommitId,
 		gitInfo.RepoName,
-		date,
 		ciInfo.RunId,
 		ciInfo.RunUrl,
 	}, "", "  ")

packages/core/src/main/ts/buildstamp.ts

@@ -34,10 +34,10 @@ export const buildstamp = async (opts?: IBuildstampOptions): Promise<IBuildstamp
     stamp.date = new Date().toISOString()
   }
   if (git) {
-    Object.assign(stamp, await getGitInfo(cwd))
+    Object.assign(stamp, await getGitInfo(cwd, process.env))
   }
   if (ci) {
-    Object.assign(stamp, await getCIInfo(process.env))
+    Object.assign(stamp, getCIInfo(process.env))
   }
   if (output) {
     await fs.writeFile(path.resolve(cwd, output), JSON.stringify(stamp, null, 2))
@@ -46,12 +46,17 @@ export const buildstamp = async (opts?: IBuildstampOptions): Promise<IBuildstamp
   return stamp
 }
 
-export const getGitInfo = async (cwd: string): Promise<IGitInfo> => {
+export const getCommitBranch = async (cwd: string, env: Record<string, string | undefined>) =>
+  env.CI_COMMIT_BRANCH || env.GITHUB_REF_NAME || (await spawn('git', ['rev-parse', '--abbrev-ref', 'HEAD'], cwd)).stdout
+
+export const getGitInfo = async (cwd: string, env: Record<string, string | undefined>): Promise<IGitInfo> => {
   const { stdout: git_commit_id } = await spawn('git', ['rev-parse', 'HEAD'], cwd)
   const { stdout: git_repo_url } = await spawn('git', ['config', '--get', 'remote.origin.url'], cwd)
+  const git_commit_branch = await getCommitBranch(cwd, env)
   const git_repo_name = (git_repo_url.match(/([^./:]+\/[^./]+)(\.git)?$/) || [])[1]
 
   return {
+    git_commit_branch,
     git_commit_id,
     git_repo_url,
     git_repo_name

packages/core/src/main/ts/interface.ts

@@ -10,14 +10,15 @@ export interface IBuildstampOptionsNormalized {
 export type IBuildstampOptions = Partial<IBuildstampOptionsNormalized>
 
 export interface ICIInfo {
-  ci_run_id:      string
-  ci_run_url:     string
+  ci_run_id:  string
+  ci_run_url: string
 }
 
 export interface IGitInfo {
-  git_commit_id:  string
-  git_repo_url:   string
-  git_repo_name:  string
+  git_commit_branch:  string
+  git_commit_id:      string
+  git_repo_url:       string
+  git_repo_name:      string
 }
 
 export interface IBuildstamp extends Partial<IGitInfo>, Partial<ICIInfo> {

packages/core/src/test/ts/buildstamp.test.ts

@@ -1,5 +1,5 @@
 import {describe, it, expect} from '@abstractest/core'
-import {buildstamp, getCIInfo} from '../../main/ts/buildstamp'
+import {buildstamp, getCIInfo, getGitInfo} from '../../main/ts/buildstamp'
 
 describe('buildstamp', () => {
   it('returns a result corresponding the passed opts', async () => {
@@ -14,6 +14,17 @@ describe('buildstamp', () => {
   })
 })
 
+describe('getGitInfo()', () => {
+  it('returns git info', async () => {
+    const result = await getGitInfo(process.cwd(), process.env)
+
+    expect(result.git_repo_name).toEqual('qiwi/buildstamp')
+    expect(typeof result.git_repo_url).toEqual('string')
+    expect(typeof result.git_commit_id).toEqual('string')
+    expect(typeof result.git_commit_branch).toEqual('string')
+  })
+})
+
 describe('getCIInfo()', () => {
   const ciRunId = '123'
   const ciRunUrl = 'https://cicd.com/123'