improvement: Review snapshot behavior (#95)

* Improve git tag detection (#77)
* Only handle snapshot flag for release cmd (#94)
* Use core.info instead of console.log
* Update gitattributes

.gitattributes

@@ -1,2 +1,2 @@
-/lib/** linguist-detectable=false
+/lib/** linguist-generated=true
 /node_modules/** linguist-detectable=false

.github/workflows/ci.yaml

@@ -35,6 +35,12 @@ jobs:
         uses: actions/setup-go@v1
         with:
           go-version: 1.13.x
+      -
+        name: Check
+        uses: ./
+        with:
+          version: ${{ matrix.version }}
+          args: check --debug
       -
         name: GoReleaser
         uses: ./

src/git.ts

@@ -0,0 +1,25 @@
+import * as child_process from 'child_process';
+
+const git = async (args: string[] = []) => {
+  const stdout = child_process.execSync(`git ${args.join(' ')}`, {
+    encoding: 'utf8'
+  });
+  return stdout.trim();
+};
+
+export async function isTagDirty(currentTag: string): Promise<boolean> {
+  try {
+    await git(['describe', '--exact-match', '--tags', '--match', currentTag]);
+  } catch (err) {
+    return true;
+  }
+  return false;
+}
+
+export async function getTag(): Promise<string> {
+  return await git(['describe', '--tags', '--abbrev=0']);
+}
+
+export async function getShortCommit(): Promise<string> {
+  return await git(['show', "--format='%h'", 'HEAD', '--quiet']);
+}

src/installer.ts

@@ -1,3 +1,4 @@
+import * as core from '@actions/core';
 import * as tc from '@actions/tool-cache';
 import * as download from 'download';
 import * as fs from 'fs';
@@ -15,7 +16,7 @@ export async function getGoReleaser(version: string): Promise<string> {
     version = selected;
   }
 
-  console.log(`✅ GoReleaser version found: ${version}`);
+  core.info(`✅ GoReleaser version found: ${version}`);
   const tmpdir = fs.mkdtempSync(path.join(os.tmpdir(), 'goreleaser-'));
   const fileName = getFileName();
   const downloadUrl = util.format(
@@ -24,10 +25,10 @@ export async function getGoReleaser(version: string): Promise<string> {
     fileName
   );
 
-  console.log(`⬇️ Downloading ${downloadUrl}...`);
+  core.info(`⬇️ Downloading ${downloadUrl}...`);
   await download.default(downloadUrl, tmpdir, {filename: fileName});
 
-  console.log('📦 Extracting GoReleaser...');
+  core.info('📦 Extracting GoReleaser...');
   let extPath: string = tmpdir;
   if (osPlat == 'win32') {
     extPath = await tc.extractZip(`${tmpdir}/${fileName}`);
@@ -42,8 +43,7 @@ function getFileName(): string {
   const platform: string = osPlat == 'win32' ? 'Windows' : osPlat == 'darwin' ? 'Darwin' : 'Linux';
   const arch: string = osArch == 'x64' ? 'x86_64' : 'i386';
   const ext: string = osPlat == 'win32' ? 'zip' : 'tar.gz';
-  const filename: string = util.format('goreleaser_%s_%s.%s', platform, arch, ext);
-  return filename;
+  return util.format('goreleaser_%s_%s.%s', platform, arch, ext);
 }
 
 interface GitHubRelease {

src/main.ts

@@ -1,3 +1,4 @@
+import * as git from './git';
 import * as installer from './installer';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
@@ -11,31 +12,37 @@ export async function run(silent?: boolean) {
     const workdir = core.getInput('workdir') || '.';
     const goreleaser = await installer.getGoReleaser(version);
 
+    const commit = await git.getShortCommit();
+    const tag = await git.getTag();
+    const isTagDirty = await git.isTagDirty(tag);
+
     if (workdir && workdir !== '.') {
-      console.log(`📂 Using ${workdir} as working directory...`)
+      core.info(`📂 Using ${workdir} as working directory...`);
       process.chdir(workdir);
     }
 
     let snapshot = '';
-    if (!process.env.GITHUB_REF || !process.env.GITHUB_REF.startsWith('refs/tags/')) {
-      console.log(`⚠️ No tag found. Snapshot forced`);
-      if (!args.includes('--snapshot')) {
-        snapshot = ' --snapshot';
+    if (args.split(' ').indexOf('release') > -1) {
+      if (isTagDirty) {
+        core.info(`⚠️ No tag found for commit ${commit}. Snapshot forced`);
+        if (!args.includes('--snapshot')) {
+          snapshot = ' --snapshot';
+        }
+      } else {
+        core.info(`✅ ${tag} tag found for commit ${commit}`);
       }
-    } else {
-      console.log(`✅ ${process.env.GITHUB_REF!.split('/')[2]} tag found`);
     }
 
     if (key) {
-      console.log('🔑 Importing signing key...');
+      core.info('🔑 Importing signing key...');
       let path = `${process.env.HOME}/key.asc`;
       fs.writeFileSync(path, key, {mode: 0o600});
       await exec.exec('gpg', ['--import', path], {
         silent: silent
       });
     }
 
-    console.log('🏃 Running GoReleaser...');
+    core.info('🏃 Running GoReleaser...');
     await exec.exec(`${goreleaser} ${args}${snapshot}`, undefined, {
       silent: silent
     });