pkg/vcs: add akaros support

pkg/vcs/akaros.go

@@ -0,0 +1,61 @@
+// Copyright 2018 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package vcs
+
+import (
+	"fmt"
+	"io"
+	"path/filepath"
+)
+
+type akaros struct {
+	git      *git
+	dropbear *git
+}
+
+func newAkaros(vm, dir string) *akaros {
+	return &akaros{
+		git:      newGit("", vm, dir),
+		dropbear: newGit("", vm, filepath.Join(dir, "dropbear")),
+	}
+}
+
+func (ctx *akaros) Poll(repo, branch string) (*Commit, error) {
+	if _, err := ctx.dropbear.Poll("https://github.com/akaros/dropbear-akaros", "akaros"); err != nil {
+		return nil, err
+	}
+	return ctx.git.Poll(repo, branch)
+}
+
+func (ctx *akaros) CheckoutBranch(repo, branch string) (*Commit, error) {
+	return nil, fmt.Errorf("not implemented for akaros")
+}
+
+func (ctx *akaros) CheckoutCommit(repo, commit string) (*Commit, error) {
+	return nil, fmt.Errorf("not implemented for akaros")
+}
+
+func (ctx *akaros) SwitchCommit(commit string) (*Commit, error) {
+	return nil, fmt.Errorf("not implemented for akaros")
+}
+
+func (ctx *akaros) HeadCommit() (*Commit, error) {
+	return nil, fmt.Errorf("not implemented for akaros")
+}
+
+func (ctx *akaros) ListRecentCommits(baseCommit string) ([]string, error) {
+	return nil, nil
+}
+
+func (ctx *akaros) ExtractFixTagsFromCommits(baseCommit, email string) ([]FixCommit, error) {
+	return nil, fmt.Errorf("not implemented for akaros")
+}
+
+func (ctx *akaros) Bisect(bad, good string, trace io.Writer, pred func() (BisectResult, error)) (*Commit, error) {
+	return nil, fmt.Errorf("not implemented for akaros")
+}
+
+func (ctx *akaros) PreviousReleaseTags(commit string) ([]string, error) {
+	return nil, fmt.Errorf("not implemented for akaros")
+}

pkg/vcs/vcs.go

@@ -77,6 +77,8 @@ func NewRepo(os, vm, dir string) (Repo, error) {
 	switch os {
 	case "linux":
 		return newGit(os, vm, dir), nil
+	case "akaros":
+		return newAkaros(vm, dir), nil
 	case "fuchsia":
 		return newFuchsia(vm, dir), nil
 	}