trufflehog/pkg/sources/git/cmd_check.go
2023-06-01 12:17:48 -07:00

40 lines
1.1 KiB
Go

package git
import (
"fmt"
"os/exec"
"regexp"
"strconv"
"strings"
"github.com/go-errors/errors"
)
// GitCmdCheck checks if git is installed and meets 2.20.0<=x<3.0.0 version requirements.
func GitCmdCheck() error {
if errors.Is(exec.Command("git").Run(), exec.ErrNotFound) {
return fmt.Errorf("'git' command not found in $PATH. Make sure git is installed and included in $PATH")
}
// Check the version is greater than or equal to 2.20.0
out, err := exec.Command("git", "--version").Output()
if err != nil {
return fmt.Errorf("failed to check git version: %w", err)
}
// Extract the version string using a regex to find the version numbers
r := regexp.MustCompile(`\d+\.\d+\.\d+`)
versionStr := r.FindString(string(out))
versionParts := strings.Split(versionStr, ".")
// Parse version numbers
major, _ := strconv.Atoi(versionParts[0])
minor, _ := strconv.Atoi(versionParts[1])
// Compare with version 2.20.0<=x<3.0.0
if major == 2 && minor >= 20 {
return nil
} else {
return fmt.Errorf("git version is %s, but must be greater than or equal to 2.20.0, and less than 3.0.0", versionStr)
}
}