From 68c20a8aabbfffefa696805345c4b813ba60fd62 Mon Sep 17 00:00:00 2001
From: Pete Cook <pete@cookpete.com>
Date: Thu, 20 Jun 2019 13:50:14 +0100
Subject: [PATCH] Add --append-git-log option

Closes https://github.com/CookPete/auto-changelog/pull/118
Fixes https://github.com/CookPete/auto-changelog/issues/117
---
 README.md      | 1 +
 src/commits.js | 2 +-
 src/run.js     | 4 +++-
 src/utils.js   | 2 +-
 4 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 522f1457..d9632587 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,7 @@ Options:
       --include-branch [branch]       # one or more branches to include commits from, comma separated
       --release-summary               # display tagged commit message body as release summary
       --handlebars-setup [file]       # handlebars setup file
+      --append-git-log [string]       # string to append to git log command
       --stdout                        # output changelog to stdout
   -V, --version                       # output the version number
   -h, --help                          # output usage information
diff --git a/src/commits.js b/src/commits.js
index 7df4fbe3..37af8178 100644
--- a/src/commits.js
+++ b/src/commits.js
@@ -21,7 +21,7 @@ const MERGE_PATTERNS = [
 export async function fetchCommits (remote, options, branch = null, onProgress) {
   const command = branch ? `git log ${branch}` : 'git log'
   const format = await getLogFormat()
-  const log = await cmd(`${command} --shortstat --pretty=format:${format}`, onProgress)
+  const log = await cmd(`${command} --shortstat --pretty=format:${format} ${options.appendGitLog}`, onProgress)
   return parseCommits(log, remote, options)
 }
 
diff --git a/src/run.js b/src/run.js
index 9e8a2650..cccb5ad4 100644
--- a/src/run.js
+++ b/src/run.js
@@ -15,7 +15,8 @@ const DEFAULT_OPTIONS = {
   commitLimit: 3,
   backfillLimit: 3,
   tagPrefix: '',
-  sortCommits: 'relevance'
+  sortCommits: 'relevance',
+  appendGitLog: ''
 }
 
 const PACKAGE_FILE = 'package.json'
@@ -44,6 +45,7 @@ async function getOptions (argv) {
     .option('--include-branch <branch>', 'one or more branches to include commits from, comma separated', str => str.split(','))
     .option('--release-summary', 'use tagged commit message body as release summary')
     .option('--handlebars-setup <file>', 'handlebars setup file')
+    .option('--append-git-log <string>', 'string to append to git log command')
     .option('--stdout', 'output changelog to stdout')
     .version(version)
     .parse(argv)
diff --git a/src/utils.js b/src/utils.js
index 30e5471e..474840ec 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -18,7 +18,7 @@ export function formatBytes (bytes) {
 
 // Simple util for calling a child process
 export function cmd (string, onProgress) {
-  const [ cmd, ...args ] = string.split(' ')
+  const [ cmd, ...args ] = string.trim().split(' ')
   return new Promise((resolve, reject) => {
     const child = spawn(cmd, args)
     let data = ''