1 files changed, 19 insertions, 18 deletions

diff --git a/internal/route/api/v1/repo/commits.go b/internal/route/api/v1/repo/commits.go
index ddcd09b7..b3903053 100644
--- a/internal/route/api/v1/repo/commits.go
+++ b/internal/route/api/v1/repo/commits.go
@@ -16,6 +16,7 @@ import (
 	"gogs.io/gogs/internal/context"
 	"gogs.io/gogs/internal/db"
 	"gogs.io/gogs/internal/db/errors"
+	"gogs.io/gogs/internal/gitutil"
 )
 
 func GetSingleCommit(c *context.APIContext) {
@@ -25,14 +26,14 @@ func GetSingleCommit(c *context.APIContext) {
 		return
 	}
 
-	gitRepo, err := git.OpenRepository(c.Repo.Repository.RepoPath())
+	gitRepo, err := git.Open(c.Repo.Repository.RepoPath())
 	if err != nil {
-		c.ServerError("OpenRepository", err)
+		c.ServerError("open repository", err)
 		return
 	}
-	commit, err := gitRepo.GetCommit(c.Params(":sha"))
+	commit, err := gitRepo.CatFileCommit(c.Params(":sha"))
 	if err != nil {
-		c.NotFoundOrServerError("GetCommit", git.IsErrNotExist, err)
+		c.NotFoundOrServerError("get commit", gitutil.IsErrRevisionNotExist, err)
 		return
 	}
 
@@ -59,8 +60,8 @@ func GetSingleCommit(c *context.APIContext) {
 	}
 
 	// Retrieve parent(s) of the commit
-	apiParents := make([]*api.CommitMeta, commit.ParentCount())
-	for i := 0; i < commit.ParentCount(); i++ {
+	apiParents := make([]*api.CommitMeta, commit.ParentsCount())
+	for i := 0; i < commit.ParentsCount(); i++ {
 		sha, _ := commit.ParentID(i)
 		apiParents[i] = &api.CommitMeta{
 			URL: c.BaseURL + "/repos/" + c.Repo.Repository.FullName() + "/commits/" + sha.String(),
@@ -99,24 +100,24 @@ func GetSingleCommit(c *context.APIContext) {
 }
 
 func GetReferenceSHA(c *context.APIContext) {
-	gitRepo, err := git.OpenRepository(c.Repo.Repository.RepoPath())
+	gitRepo, err := git.Open(c.Repo.Repository.RepoPath())
 	if err != nil {
-		c.ServerError("OpenRepository", err)
+		c.ServerError("open repository", err)
 		return
 	}
 
 	ref := c.Params("*")
-	refType := 0 // 0-undetermined, 1-branch, 2-tag
-	if strings.HasPrefix(ref, git.BRANCH_PREFIX) {
-		ref = strings.TrimPrefix(ref, git.BRANCH_PREFIX)
+	refType := 0 // 0-unknown, 1-branch, 2-tag
+	if strings.HasPrefix(ref, git.RefsHeads) {
+		ref = strings.TrimPrefix(ref, git.RefsHeads)
 		refType = 1
-	} else if strings.HasPrefix(ref, git.TAG_PREFIX) {
-		ref = strings.TrimPrefix(ref, git.TAG_PREFIX)
+	} else if strings.HasPrefix(ref, git.RefsTags) {
+		ref = strings.TrimPrefix(ref, git.RefsTags)
 		refType = 2
 	} else {
-		if gitRepo.IsBranchExist(ref) {
+		if gitRepo.HasBranch(ref) {
 			refType = 1
-		} else if gitRepo.IsTagExist(ref) {
+		} else if gitRepo.HasTag(ref) {
 			refType = 2
 		} else {
 			c.NotFound()
@@ -126,12 +127,12 @@ func GetReferenceSHA(c *context.APIContext) {
 
 	var sha string
 	if refType == 1 {
-		sha, err = gitRepo.GetBranchCommitID(ref)
+		sha, err = gitRepo.BranchCommitID(ref)
 	} else if refType == 2 {
-		sha, err = gitRepo.GetTagCommitID(ref)
+		sha, err = gitRepo.TagCommitID(ref)
 	}
 	if err != nil {
-		c.NotFoundOrServerError("get reference commit ID", git.IsErrNotExist, err)
+		c.NotFoundOrServerError("get reference commit ID", gitutil.IsErrRevisionNotExist, err)
 		return
 	}
 	c.PlainText(http.StatusOK, []byte(sha))