Add comparison link under commits (#292)

Fixes #283
sindresorhus · Nov 29, 2018 · 3b0ed9a · 3b0ed9a
1 parent d8dcc67
commit 3b0ed9a
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Showing 2 changed files with 24 additions and 10 deletions.
diff --git a/lib/ui.js b/lib/ui.js
@@ -35,20 +35,26 @@ function printCommitLog(repositoryUrl) {
 			if (!result) {
 				return false;
 			}
+			return execa.stdout('git', ['describe', '--abbrev=0'])
+				.then(tagName => {
+					const history = result.split('\n')
+						.map(commit => {
+							const splitIndex = commit.lastIndexOf(' ');
+							const commitMessage = util.linkifyIssues(repositoryUrl, commit.substring(0, splitIndex));
+							const commitId = util.linkifyCommit(repositoryUrl, commit.substring(splitIndex + 1));
 
-			const history = result.split('\n')
-				.map(commit => {
-					const splitIndex = commit.lastIndexOf(' ');
-					const commitMessage = util.linkifyIssues(repositoryUrl, commit.substring(0, splitIndex));
-					const commitId = util.linkifyCommit(repositoryUrl, commit.substring(splitIndex + 1));
+							return `- ${commitMessage}  ${commitId}`;
+						})
+						.join('\n');
 
-					return `- ${commitMessage}  ${commitId}`;
-				})
-				.join('\n');
+					console.log(`${chalk.bold('Commits:')}\n${history}\n`);
+
+					const commitRange = util.linkifyCommitRange(repositoryUrl, `${tagName}...master`);
 
-			console.log(`${chalk.bold('Commits:')}\n${history}\n`);
+					console.log(`${chalk.bold('Commit Range:')}\n${commitRange}\n`);
 
-			return true;
+					return true;
+				});
 		});
 }
 

diff --git a/lib/util.js b/lib/util.js
@@ -36,3 +36,11 @@ exports.linkifyCommit = (url, commit) => {
 
 	return terminalLink(commit, `${url}/commit/${commit}`);
 };
+
+exports.linkifyCommitRange = (url, commitRange) => {
+	if (!(url && terminalLink.isSupported)) {
+		return commitRange;
+	}
+
+	return terminalLink(commitRange, `${url}/compare/${commitRange}`);
+};