feat(ng-dev): abbreviated SHA stamp (#373)

PR Close #373

Author: kormide

ng-dev/release/stamping/env-stamp.ts

@@ -28,6 +28,7 @@ export function buildEnvStamp(mode: EnvStampMode) {
   console.info(`BUILD_SCM_BRANCH ${getCurrentBranch(git)}`);
   console.info(`BUILD_SCM_COMMIT_SHA ${getCurrentSha(git)}`);
   console.info(`BUILD_SCM_HASH ${getCurrentSha(git)}`);
+  console.info(`BUILD_SCM_ABBREV_HASH ${getCurrentAbbrevSha(git)}`);
   console.info(`BUILD_SCM_BRANCH ${getCurrentBranchOrRevision(git)}`);
   console.info(`BUILD_SCM_LOCAL_CHANGES ${hasLocalChanges(git)}`);
   console.info(`BUILD_SCM_USER ${getCurrentGitUser(git)}`);
@@ -99,6 +100,15 @@ function getCurrentSha(git: GitClient) {
   }
 }
 
+/** Get the current abbreviated SHA of HEAD. */
+function getCurrentAbbrevSha(git: GitClient) {
+  try {
+    return git.run(['rev-parse', '--short', 'HEAD']).stdout.trim();
+  } catch {
+    return '';
+  }
+}
+
 /** Get the current branch or revision of HEAD. */
 function getCurrentBranchOrRevision(git: GitClient) {
   try {