81 lines
2 KiB
Go
81 lines
2 KiB
Go
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package plan
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import (
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"fmt"
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"os"
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"path/filepath"
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git "github.com/go-git/go-git/v5"
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)
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// RepoID identifies a repository - either plugin or template.
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type RepoID string
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const (
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// SourceRepo is the id of the template repository (source).
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SourceRepo RepoID = "source"
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// TargetRepo is the id of the plugin repository (target).
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TargetRepo RepoID = "target"
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)
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// Setup contains information about both parties
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// in the sync: the plugin repository being updated
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// and the source of the update - the template repo.
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type Setup struct {
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Source RepoSetup
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Target RepoSetup
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VerboseLogging bool
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}
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// Logf logs the provided message.
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// If verbose output is not enabled, the message will not be printed.
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func (c Setup) Logf(tpl string, args ...interface{}) {
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if c.VerboseLogging {
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fmt.Fprintf(os.Stderr, tpl+"\n", args...)
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}
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}
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// LogErrorf logs the provided error message.
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func (c Setup) LogErrorf(tpl string, args ...interface{}) {
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fmt.Fprintf(os.Stderr, tpl+"\n", args...)
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}
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// GetRepo is a helper to get the required repo setup.
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// If the target parameter is not one of "plugin" or "template",
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// the function panics.
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func (c Setup) GetRepo(r RepoID) RepoSetup {
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switch r {
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case TargetRepo:
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return c.Target
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case SourceRepo:
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return c.Source
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default:
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panic(fmt.Sprintf("cannot get repository setup %q", r))
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}
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}
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// PathInRepo returns the full path of a file in the specified repository.
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func (c Setup) PathInRepo(repo RepoID, path string) string {
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r := c.GetRepo(repo)
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return filepath.Join(r.Path, path)
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}
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// RepoSetup contains relevant information
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// about a single repository (either source or target).
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type RepoSetup struct {
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Git *git.Repository
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Path string
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}
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// GetRepoSetup returns the repository setup for the specified path.
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func GetRepoSetup(path string) (RepoSetup, error) {
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repo, err := git.PlainOpen(path)
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if err != nil {
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return RepoSetup{}, fmt.Errorf("failed to access git repository at %q: %v", path, err)
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}
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return RepoSetup{
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Git: repo,
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Path: path,
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}, nil
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}
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