Merge branch 'refactor/libgit2' into 'master'

use libgit2 0.25.1

See merge request !54

.gitlab-ci.yml

@@ -1,4 +1,4 @@
-image: "hub.ricebook.net/base/centos:onbuild-eru-core-2016.12.16"
+image: "hub.ricebook.net/base/centos:onbuild-eru-core-2017.02.06"
 before_script:
   - "ln -s $CI_PROJECT_DIR $GOPATH/src/gitlab.ricebook.net/platform/core"
 stages:

Makefile

@@ -24,7 +24,7 @@ deps:
 	go get github.com/golang/protobuf/{proto,protoc-gen-go} || echo "oops"
 	go get github.com/codegangsta/cli || echo "oops"
 	go get gopkg.in/yaml.v2 || echo "oops"
-	go get gopkg.in/libgit2/git2go.v23 || echo "oops"
+	go get gopkg.in/libgit2/git2go.v25 || echo "oops"
 	go get golang.org/x/net/context || echo "oops"
 	go get google.golang.org/grpc || echo "oops"
 	go get github.com/coreos/etcd || echo "oops"

README.md

@@ -1,15 +1,6 @@
 Core
 ====
 
-## Install libgit2
-We use v0.23.4 because v0.24 sucks
-
-```shell
-cd /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula
-git checkout b0b94c4ee5ddec3a33d1ecb406f73b19642ec519 libgit2.rb
-git commit -m 'override libgit2 version'
-```
-
 ## DEV
 
 生产服部署在 c2-eru-1，测试服部署在 c1-eru-1，如果需要测试，先更新 core，然后这样子部署：

source/gitlab/cesium.go

@@ -13,7 +13,7 @@ import (
 
 	log "github.com/Sirupsen/logrus"
 	"gitlab.ricebook.net/platform/core/types"
-	"gopkg.in/libgit2/git2go.v23"
+	"gopkg.in/libgit2/git2go.v25"
 )
 
 type cesium struct {
@@ -58,37 +58,24 @@ func (c *cesium) SourceCode(repository, path, revision string) error {
 
 	repo, err := git.Clone(repository, path, cloneOpts)
 	if err != nil {
+		log.Errorf("Error during Clone: %v", err.Error())
 		return err
 	}
 
 	if err := repo.CheckoutHead(nil); err != nil {
+		log.Errorf("Error during CheckoutHead: %v", err.Error())
 		return err
 	}
 
 	object, err := repo.RevparseSingle(revision)
 	if err != nil {
+		log.Errorf("Error during RevparseSingle: %v", err.Error())
 		return err
 	}
 	defer object.Free()
+	commit, err := object.AsCommit()
 
-	// below is code for v24
-	// which is fucking unstable
-	// -------------------------
-	//
-	//	tree, err := object.AsTree()
-	//	if err != nil {
-	//		return err
-	//	}
-	obj, err := object.Peel(git.ObjectTree)
-	if err != nil {
-		return err
-	}
-
-	tree, ok := obj.(*git.Tree)
-	if !ok {
-		return fmt.Errorf("git object is not a tree")
-	}
-	return repo.CheckoutTree(tree, &git.CheckoutOpts{Strategy: git.CheckoutSafe})
+	return repo.ResetToCommit(commit, git.ResetHard, &git.CheckoutOpts{Strategy: git.CheckoutSafe})
 }
 
 // Download artifact to path, and unzip it