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git.go
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git.go
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package builder
import (
"regexp"
"strings"
)
const (
regexpGitRepoProtocol = `^(https?|git|ssh|ftp)://`
regexpGitRepoDotGit = `\.git$`
gitProtocol = "git://"
)
type GitContext struct {
Repo string
Branch string
Commit string
Username string
Password string
}
// This build context follows Kaniko build context pattern
// ref: https://github.com/GoogleContainerTools/kaniko#kaniko-build-contexts
func (g *GitContext) BuildContext() (string, error) {
bCtx := ""
// cleaning the repo url
rgx, err := regexp.Compile(regexpGitRepoProtocol)
if err != nil {
return "", err
}
g.Repo = rgx.ReplaceAllString(g.Repo, "")
rgx, err = regexp.Compile(regexpGitRepoDotGit)
if err != nil {
return "", err
}
g.Repo = rgx.ReplaceAllString(g.Repo, "")
g.Repo = strings.TrimSuffix(g.Repo, "/")
bCtx += gitProtocol
if g.Username != "" {
bCtx += g.Username
if g.Password != "" {
bCtx += ":" + g.Password
}
bCtx += "@"
}
bCtx += g.Repo
if g.Branch != "" {
bCtx += "#refs/heads/" + g.Branch
}
if g.Commit != "" {
bCtx += "#" + g.Commit
}
return bCtx, nil
}
func IsGitContext(ctx string) bool {
return strings.HasPrefix(ctx, gitProtocol)
}