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git_get.go
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git_get.go
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// Copyright © 2015,2016 Erik Brady <brady@dvln.org>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package vcs
// GitGetter implements the VCS Getter interface for the Git source control,
// start out by adding a base VCS description structure (implements Describer)
type GitGetter struct {
Description
mirror bool
}
// NewGitGetter creates a new instance of GitGetter. The remote and localPath URL/dir
// need to be passed in.
func NewGitGetter(remote, remoteName, localPath string, mirror bool) (Getter, error) {
ltype, err := DetectVcsFromFS(localPath)
// Found a VCS other than Git. Need to report an error.
if err == nil && ltype != Git {
return nil, ErrWrongVCS
}
g := &GitGetter{}
if remoteName == "" {
remoteName = "origin"
}
g.mirror = mirror
g.setDescription(remote, remoteName, localPath, defaultGitSchemes, Git)
if err == nil { // Have a localPath FS repo, try to validate/upd remote
remote, _, err = GitCheckRemote(g, remote)
if err != nil {
return nil, err
}
g.setRemote(remote)
}
return g, nil // note: above 'err' not used on purpose here..
}
// Get support for git getter
func (g *GitGetter) Get(rev ...Rev) (Resulter, error) {
return GitGet(g, rev...)
}
// RevSet support for git getter
func (g *GitGetter) RevSet(rev Rev) (Resulter, error) {
return GitRevSet(g, rev)
}
// Exists support for git getter
func (g *GitGetter) Exists(l Location) (string, Resulter, error) {
return GitExists(g, l)
}