fix(dev-infra): ensure that building environment stamp fails silently (#42985)

Previously when a failure occurred in part of building the environment stamp, the entire
process errored.  This should instead fail silently providing no value for the stamp.

PR Close #42985

dev-infra/ng-dev.js

@@ -7746,8 +7746,13 @@ function buildEnvStamp(mode) {
 }
 /** Whether the repo has local changes. */
 function hasLocalChanges() {
+    try {
         const git = GitClient.get();
         return git.hasUncommittedChanges();
+    }
+    catch (_a) {
+        return true;
+    }
 }
 /**
  * Get the versions for generated packages.
@@ -7756,13 +7761,8 @@ function hasLocalChanges() {
  * In release mode, the version is based on the base package.json version.
  */
 function getSCMVersions(mode) {
+    try {
         const git = GitClient.get();
-    if (mode === 'release') {
-        const packageJsonPath = path.join(git.baseDir, 'package.json');
-        const { version } = new semver.SemVer(require(packageJsonPath).version);
-        const { version: experimentalVersion } = createExperimentalSemver(new semver.SemVer(version));
-        return { version, experimentalVersion };
-    }
         if (mode === 'snapshot') {
             const localChanges = hasLocalChanges() ? '.with-local-changes' : '';
             const { stdout: rawVersion } = git.run(['describe', '--match', '*[0-9]*.[0-9]*.[0-9]*', '--abbrev=7', '--tags', 'HEAD~100']);
@@ -7773,24 +7773,51 @@ function getSCMVersions(mode) {
                 experimentalVersion: `${experimentalVersion.replace(/-([0-9]+)-g/, '+$1.sha-')}${localChanges}`,
             };
         }
-    throw Error('No environment stamp mode was provided.');
+        else {
+            const packageJsonPath = path.join(git.baseDir, 'package.json');
+            const { version } = new semver.SemVer(require(packageJsonPath).version);
+            const { version: experimentalVersion } = createExperimentalSemver(new semver.SemVer(version));
+            return { version, experimentalVersion };
+        }
+    }
+    catch (_a) {
+        return {
+            version: '',
+            experimentalVersion: '',
+        };
+    }
 }
 /** Get the current branch or revision of HEAD. */
 function getCurrentBranchOrRevision() {
+    try {
         const git = GitClient.get();
         return git.getCurrentBranchOrRevision();
+    }
+    catch (_a) {
+        return '';
+    }
 }
 /** Get the currently checked out branch. */
 function getCurrentBranch() {
+    try {
         const git = GitClient.get();
         return git.run(['symbolic-ref', '--short', 'HEAD']).stdout.trim();
+    }
+    catch (_a) {
+        return '';
+    }
 }
 /** Get the current git user based on the git config. */
 function getCurrentGitUser() {
+    try {
         const git = GitClient.get();
         let userName = git.runGraceful(['config', 'user.name']).stdout.trim() || 'Unknown User';
         let userEmail = git.runGraceful(['config', 'user.email']).stdout.trim() || 'unknown_email';
         return `${userName} <${userEmail}>`;
+    }
+    catch (_a) {
+        return '';
+    }
 }
 
 /**

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

@@ -37,8 +37,12 @@ export function buildEnvStamp(mode: EnvStampMode) {
 
 /** Whether the repo has local changes. */
 function hasLocalChanges() {
+  try {
     const git = GitClient.get();
     return git.hasUncommittedChanges();
+  } catch {
+    return true;
+  }
 }
 
 /**
@@ -48,13 +52,8 @@ function hasLocalChanges() {
  * In release mode, the version is based on the base package.json version.
  */
 function getSCMVersions(mode: EnvStampMode): {version: string, experimentalVersion: string} {
+  try {
     const git = GitClient.get();
-  if (mode === 'release') {
-    const packageJsonPath = join(git.baseDir, 'package.json');
-    const {version} = new SemVer(require(packageJsonPath).version);
-    const {version: experimentalVersion} = createExperimentalSemver(new SemVer(version));
-    return {version, experimentalVersion};
-  }
     if (mode === 'snapshot') {
       const localChanges = hasLocalChanges() ? '.with-local-changes' : '';
       const {stdout: rawVersion} = git.run(
@@ -66,26 +65,48 @@ function getSCMVersions(mode: EnvStampMode): {version: string, experimentalVersi
         experimentalVersion:
             `${experimentalVersion.replace(/-([0-9]+)-g/, '+$1.sha-')}${localChanges}`,
       };
+    } else {
+      const packageJsonPath = join(git.baseDir, 'package.json');
+      const {version} = new SemVer(require(packageJsonPath).version);
+      const {version: experimentalVersion} = createExperimentalSemver(new SemVer(version));
+      return {version, experimentalVersion};
+    }
+  } catch {
+    return {
+      version: '',
+      experimentalVersion: '',
+    };
   }
-  throw Error('No environment stamp mode was provided.');
 }
 
 /** Get the current branch or revision of HEAD. */
 function getCurrentBranchOrRevision() {
+  try {
     const git = GitClient.get();
     return git.getCurrentBranchOrRevision();
+  } catch {
+    return '';
+  }
 }
 
 /** Get the currently checked out branch. */
 function getCurrentBranch() {
+  try {
     const git = GitClient.get();
     return git.run(['symbolic-ref', '--short', 'HEAD']).stdout.trim();
+  } catch {
+    return '';
+  }
 }
 
 /** Get the current git user based on the git config. */
 function getCurrentGitUser() {
+  try {
     const git = GitClient.get();
     let userName = git.runGraceful(['config', 'user.name']).stdout.trim() || 'Unknown User';
     let userEmail = git.runGraceful(['config', 'user.email']).stdout.trim() || 'unknown_email';
     return `${userName} <${userEmail}>`;
+  } catch {
+    return '';
+  }
 }