Continue looking through history even if some commits don't work

the simple git tool threw an error, which crashed the script.
context: https://community.particle.io/t/github-actions-could-not-find-current-product-version-macro/66338/5

src/git.test.ts

@@ -167,6 +167,26 @@ describe('currentFirmwareVersion', () => {
 
 		expect(result).toBe(0);
 	});
+
+	test('should handle when the version file was deleted in a previous commit', async () => {
+		const commitHashes = ['a1b2c3d4e5f6', 'b2c3d4e5f6a1'];
+		const gitRepo = '/path/to/repo';
+		const versionFilePath = '/path/to/repo/project-folder/application.cpp';
+		const productVersionMacroName = 'PRODUCT_VERSION';
+
+		logMock.mockResolvedValue(createLogMock(commitHashes));
+		showMock
+			.mockRejectedValueOnce(new Error(`path '${versionFilePath}' exists on disk, but not in '${commitHashes[0]}'`))
+			.mockResolvedValueOnce(createCommitBodyMock(productVersionMacroName, 1));
+
+		const result = await currentFirmwareVersion({
+			gitRepo: gitRepo,
+			versionFilePath: versionFilePath,
+			productVersionMacroName: productVersionMacroName
+		});
+
+		expect(result).toBe(1);
+	});
 });
 
 describe('findProductVersionMacroFile', () => {

src/git.ts

@@ -27,10 +27,15 @@ export async function currentFirmwareVersion(
 
 	for (const log of logs.all) {
 		const currentCommit = log.hash;
-		const commitBody = await git.show([`${currentCommit}:${versionFilePath}`]);
 
 		// Use regex to extract the PRODUCT_VERSION from the patch
 		const versionRegex = new RegExp(`^.*${productVersionMacroName}.*\\((\\d+)\\)`, 'gm');
+		let commitBody = '';
+		try {
+			commitBody = await git.show([`${currentCommit}:${versionFilePath}`]);
+		} catch (error) {
+			debug(`Error getting the file ${versionFilePath} from commit ${currentCommit}: ${error}. This can occur if the file was deleted in the commit. Skipping commit`);
+		}
 
 		const match = versionRegex.exec(commitBody);