74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
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// Package git utilizes the git CLI to retrieve and set information
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// from the current repository
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package git
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import (
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"bufio"
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"regexp"
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"strings"
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)
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var (
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// ErrRemoteNotFound signalizes there was no remote found
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ErrRemoteNotFound = fmt.Errorf("no push remote found")
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pushRemoteRegex = regexp.MustCompile(`origin.*\(push\)`)
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)
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// GetPushRemote gets the remote configured as push-remote and returns
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// ErrRemoteNotFound in case none is found
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func GetPushRemote() (remote string, err error) {
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data, err := runGitCLI([]string{"remote", "-v"})
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if err != nil {
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return "", fmt.Errorf("getting remotes")
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}
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scanner := bufio.NewScanner(bytes.NewReader(data))
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for scanner.Scan() {
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if err = scanner.Err(); err != nil {
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return "", fmt.Errorf("scanning output: %w", err)
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}
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if !pushRemoteRegex.Match(scanner.Bytes()) {
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continue
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}
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tokens := strings.Fields(scanner.Text())
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if len(tokens) < 2 { //nolint:mnd
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continue
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}
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return tokens[1], nil
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}
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return "", ErrRemoteNotFound
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}
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// SetLocalConfig applies the param with its value on the local git repo
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func SetLocalConfig(param, value string) (err error) {
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if _, err = runGitCLI([]string{"config", "--local", param, value}); err != nil {
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return fmt.Errorf("setting config: %w", err)
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}
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return nil
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}
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func runGitCLI(args []string) (output []byte, err error) {
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cmd := exec.Command("git", args...)
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cmd.Env = os.Environ()
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if cmd.Dir, err = os.Getwd(); err != nil {
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return nil, fmt.Errorf("getting cwd: %w", err)
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}
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data, err := cmd.Output()
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if err != nil {
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return nil, fmt.Errorf("running command: %w", err)
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}
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return data, nil
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}
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