feat: support custom initial commit message (#1116)

Author: dhensche

packages/@vue/cli/bin/vue.js

@@ -39,6 +39,7 @@ program
   .option('-p, --preset <presetName>', 'Skip prompts and use saved or remote preset')
   .option('-d, --default', 'Skip prompts and use default preset')
   .option('-i, --inlinePreset <json>', 'Skip prompts and use inline JSON string as preset')
+  .option('-g, --initialCommit <message>', 'Specify initial commit message (when git is available)')
   .option('-m, --packageManager <command>', 'Use specified npm client when installing dependencies')
   .option('-r, --registry <url>', 'Use specified npm registry when installing dependencies (only for npm)')
   .option('-f, --force', 'Overwrite target directory if it exists')

packages/@vue/cli/lib/Creator.js

@@ -164,7 +164,7 @@ module.exports = class Creator {
         await run('git', ['config', 'user.name', 'test'])
         await run('git', ['config', 'user.email', 'test@test.com'])
       }
-      await run(`git commit -m init`)
+      await run('git', ['commit', '-m', cliOptions.initialCommit || 'init'])
     }
 
     // log instructions