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76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Polyform License
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// that can be found in the LICENSE file.
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// Package clone provides utilities for cloning commits.
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package clone
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import "fmt"
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//
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// IMPORTANT: DO NOT MODIFY THIS FILE
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//
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// this file must not be changed unless the changes have been
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// discussed and approved by the project maintainers in the
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// GitHub issue tracker.
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//
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// Args provide arguments to clone a repository.
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type Args struct {
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Branch string
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Commit string
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Ref string
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Remote string
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Depth int
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Tags bool
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NoFF bool
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}
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// Commands returns posix-compliant commands to clone a
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// repository and checkout a commit.
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func Commands(args Args) []string {
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switch {
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case isTag(args.Ref):
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return tag(args)
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case isPullRequest(args.Ref):
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return pull(args)
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default:
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return branch(args)
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}
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}
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// branch returns posix-compliant commands to clone a repository
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// and checkout the named branch.
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func branch(args Args) []string {
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return []string{
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"git init",
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fmt.Sprintf("git remote add origin %s", args.Remote),
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fmt.Sprintf("git fetch %s origin +refs/heads/%s:", fetchFlags(args), args.Branch),
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fmt.Sprintf("git checkout %s -b %s", args.Commit, args.Branch),
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}
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}
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// tag returns posix-compliant commands to clone a repository
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// and checkout the tag by reference path.
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func tag(args Args) []string {
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return []string{
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"git init",
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fmt.Sprintf("git remote add origin %s", args.Remote),
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fmt.Sprintf("git fetch %s origin +%s:", fetchFlags(args), args.Ref),
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"git checkout -qf FETCH_HEAD",
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}
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}
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// pull returns posix-compliant commands to clone a repository
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// and checkout the pull request by reference path.
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func pull(args Args) []string {
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return []string{
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"git init",
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fmt.Sprintf("git remote add origin %s", args.Remote),
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fmt.Sprintf("git fetch %s origin +refs/heads/%s:", fetchFlags(args), args.Branch),
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fmt.Sprintf("git checkout %s", args.Branch),
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fmt.Sprintf("git fetch origin %s:", args.Ref),
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fmt.Sprintf("git merge %s %s", mergeFlags(args), args.Commit),
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}
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}
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