fix: switch to simpler git commit message body command

Author: bahmutov

bin/commit-message-install.js

@@ -15,7 +15,7 @@ if (args.file) {
   const message = fs.readFileSync(args.file, 'utf8')
   start = Promise.resolve(message)
 } else {
-  start = getMessage().then(x => x.body)
+  start = getMessage()
 }
 start.then(getJsonBlock).then(json => {
   if (!json) {

bin/commit-message-run.js

@@ -31,7 +31,7 @@ if (args.file) {
   const message = fs.readFileSync(args.file, 'utf8')
   start = Promise.resolve(message)
 } else {
-  start = getMessage().then(x => x.body)
+  start = getMessage()
 }
 start.then(getJsonBlock).then(json => {
   if (!json) {

package.json

@@ -103,7 +103,6 @@
     "check-more-types": "2.24.0",
     "debug": "3.1.0",
     "execa": "0.8.0",
-    "ggit": "2.4.0",
     "lazy-ass": "1.6.0",
     "minimist": "1.2.0"
   }

src/commit-message-install-spec.js

@@ -9,14 +9,9 @@ const snapshot = require('snap-shot-it')
 
 describe('commit-message-install', () => {
   context('gets last commit message', () => {
-    const isMessage = is.schema({
-      email: is.unemptyString,
-      subject: is.unemptyString,
-      body: is.maybe.unemptyString
-    })
-    it('returns an object', () => {
+    it('returns just the body of the commit message', () => {
       return getMessage().then(x => {
-        la(isMessage(x), 'invalid message format', x)
+        la(is.maybe.unemptyString(x), 'invalid message format', x)
       })
     })
   })

src/index.js

@@ -1,6 +1,5 @@
 'use strict'
 
-const ggit = require('ggit')
 const debug = require('debug')('commit-message-install')
 const la = require('lazy-ass')
 const is = require('check-more-types')
@@ -11,7 +10,10 @@ const chalk = require('chalk')
 const prop = name => object => object[name]
 
 function getMessage () {
-  return ggit.lastCommitId().then(ggit.commitMessage)
+  debug('getting last git commit message body')
+  return execa
+    .shell('git show -s --pretty=%b', { stdio: 'inherit' })
+    .then(prop('stdout'))
 }
 
 // parses given commit message text (body)