Add basic support for reading git config

src/config.coffee

@@ -0,0 +1,17 @@
+module.exports = C = (repo, callback) ->
+  repo.git "config", {list: true}, (err, stdout, stderr) ->
+    config = new Config repo
+    config.parse stdout
+    callback err, config
+
+C.Config = class Config
+  constructor: (@repo) ->
+
+  # Internal: Parse the config from stdout of a `git config` command
+  parse: (text)->
+    @values = {}
+    for line in text.split("\n")
+      if line.length == 0
+        continue
+      [key, value] = line.split('=')
+      @values[key] = value

src/git.coffee

@@ -3,7 +3,7 @@ fs     = require 'fs'
 
 module.exports = Git = (git_dir, dot_git) ->
   dot_git ||= "#{git_dir}/.git"
-  
+
   git = (command, options, args, callback) ->
     [callback, args]    = [args, callback] if !callback
     [callback, options] = [options, callback] if !callback
@@ -15,26 +15,26 @@ module.exports = Git = (git_dir, dot_git) ->
     bash     = "#{Git.bin} #{command} #{options} #{args}"
     exec bash, {cwd: git_dir}, callback
     return bash
-  
-  
+
+
   # Public: Get a list of the remote names.
-  # 
+  #
   # callback - Receives `(err, names)`.
-  # 
+  #
   git.list_remotes = (callback) ->
     fs.readdir "#{dot_git}/refs/remotes", (err, files) ->
       callback err, (files || [])
-  
-  
+
+
   # Public: Get the ref data string.
-  # 
+  #
   # type     - Such as `remote` or `tag`.
   # callback - Receives `(err, stdout)`.
-  # 
+  #
   git.refs = (type, options, callback) ->
     [callback, options] = [options, callback] if !callback
     prefix              = "refs/#{type}s/"
-    
+
     git "show-ref", (err, text) ->
       matches = []
       for line in (text || "").split("\n")
@@ -43,7 +43,7 @@ module.exports = Git = (git_dir, dot_git) ->
         if name.substr(0, prefix.length) == prefix
           matches.push "#{name.substr(prefix.length)} #{id}"
       return callback err, matches.join("\n")
-  
+
   return git
 
 

src/repo.coffee

@@ -2,6 +2,7 @@ _      = require 'underscore'
 cmd    = require './git'
 Actor  = require './actor'
 Commit = require './commit'
+Config = require './config'
 Tree   = require './tree'
 Diff   = require './diff'
 Tag    = require './tag'
@@ -184,6 +185,9 @@ module.exports = class Repo
   status: (callback) ->
     return Status(this, callback)
 
+  config: (callback) ->
+    return Config(this, callback)
+
 
   # Public: Get the repository's tags.
   #

test/config.test.coffee

@@ -0,0 +1,36 @@
+should   = require 'should'
+Config   = require '../src/config'
+
+GIT_CONFIG = """
+user.name=John Doe
+user.email=john.doe@git-scm.com
+core.editor=pico
+"""
+
+GIT_CONFIG_DUPLICATE_KEYS = """
+user.name=John Doe
+user.email=john.doe@git-scm.com
+core.editor=pico
+user.email=john.doe@github.com
+core.editor=emacs
+"""
+
+describe "Config", ->
+  describe "()", ->
+    describe "when there are no overlapping keys", ->
+      config = new Config.Config 'mock repo'
+      config.parse GIT_CONFIG
+
+      it "read the keys and values", ->
+        config.values['user.name'].should.equal 'John Doe'
+        config.values['user.email'].should.equal 'john.doe@git-scm.com'
+        config.values['core.editor'].should.equal 'pico'
+
+    describe "with overlapping keys", ->
+      config = new Config.Config 'mock repo'
+      config.parse GIT_CONFIG_DUPLICATE_KEYS
+
+      it "read the keys and values", ->
+        config.values['user.name'].should.equal 'John Doe'
+        config.values['user.email'].should.equal 'john.doe@github.com'
+        config.values['core.editor'].should.equal 'emacs'

test/status.test.coffee

@@ -22,10 +22,10 @@ describe "Status", ->
       repo   = fixtures.status
       status = new Status.Status repo
       status.parse GIT_STATUS_CLEAN
-      
+
       it "is clean", ->
         status.clean.should.be.true
-      
+
     describe "when there are changes", ->
       repo   = fixtures.status
       status = new Status.Status repo
@@ -37,25 +37,25 @@ describe "Status", ->
       repo   = fixtures.status
       status = new Status.Status repo
       status.parse GIT_STATUS
-      
+
       it "has a modified staged file", ->
         status.files["file.txt"].staged.should.be.true
         status.files["file.txt"].type.should.eql "M"
         status.files["file.txt"].tracked.should.be.true
-      
+
       it "has a modified unstaged file", ->
         status.files["cheese.txt"].staged.should.be.false
         status.files["cheese.txt"].type.should.eql "M"
         status.files["cheese.txt"].tracked.should.be.true
-      
+
       it "has a deleted file", ->
         status.files["crackers.txt"].staged.should.be.true
         status.files["crackers.txt"].type.should.eql "D"
         status.files["crackers.txt"].tracked.should.be.true
-      
+
       it "has an untracked file", ->
         status.files["pickles.txt"].tracked.should.be.false
         should.not.exist status.files["pickles.txt"].type
-      
+
       it "is not clean", ->
         status.clean.should.be.false