From 5798a7a5a162432b9521cefe567dac1adcfc53d7 Mon Sep 17 00:00:00 2001
From: El-Hussein Abdelraouf <hussein@raoufs.me>
Date: Tue, 9 Aug 2022 13:06:02 +0200
Subject: [PATCH] add new --changelog option (#912)

---
 lib/cli.js    | 1 +
 lib/config.js | 6 +++++-
 lib/index.js  | 7 ++++++-
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/lib/cli.js b/lib/cli.js
index d950ae21..cc7c6069 100644
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -20,6 +20,7 @@ const helpText = `Release It! v${pkg.version}
      --only-version      Prompt only for version, no further interaction
   -v --version           Print release-it version number
      --release-version   Print version number to be released
+     --changelog         Print changelog for the version to be released
   -V --verbose           Verbose output (user hooks output)
   -VV                    Extra verbose output (also internal commands output)
 
diff --git a/lib/config.js b/lib/config.js
index 0d8c3ef0..14fd5831 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -109,7 +109,7 @@ class Config {
   }
 
   get isCI() {
-    return Boolean(this.options.ci) || this.isReleaseVersion;
+    return Boolean(this.options.ci) || this.isReleaseVersion || this.isChangelog;
   }
 
   get isPromptOnlyVersion() {
@@ -119,6 +119,10 @@ class Config {
   get isReleaseVersion() {
     return Boolean(this.options['release-version']);
   }
+
+  get isChangelog() {
+    return Boolean(this.options['changelog']);
+  }
 }
 
 export default Config;
diff --git a/lib/index.js b/lib/index.js
index 2a2babd6..1949e985 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -78,7 +78,7 @@ const runTasks = async (opts, di) => {
     const action = config.isIncrement ? 'release' : 'update';
     const suffix = version && config.isIncrement ? `${latestVersion}...${version}` : `currently at ${latestVersion}`;
 
-    if (!config.isReleaseVersion) {
+    if (!config.isReleaseVersion && !config.isChangelog) {
       log.obtrusive(`🚀 Let's ${action} ${name} (${suffix})`);
 
       log.preview({ title: 'changelog', text: changelog });
@@ -93,6 +93,11 @@ const runTasks = async (opts, di) => {
       process.exit(0);
     }
 
+    if (config.isChangelog) {
+      console.log(changelog);
+      process.exit(0);
+    }
+
     if (version) {
       config.setContext(parseVersion(version));