d81ea3f35c
* use filepath to get correct result of file path operation on every OS. * use filepath.Walk to get a better idea what is being done here * simpler way to get the basename of a program; also works on Windows
62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
package general
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import (
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"bytes"
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"log"
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"os/exec"
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"path/filepath"
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"strings"
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"syscall"
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)
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// RunCommand is a simple wrapper to run commands
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// result is the output of stdout and errCode is the exit code
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func RunCommand(command string, values ...string) (result string, errCode int) {
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cmd := exec.Command(command, values...)
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var out bytes.Buffer
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var outErr bytes.Buffer
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cmd.Stdout = &out
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cmd.Stderr = &outErr
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if err := cmd.Start(); err != nil {
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log.Fatalf("cmd.Start: %v", err)
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}
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if err := cmd.Wait(); err != nil {
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if exiterr, ok := err.(*exec.ExitError); ok {
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if status, okStatus := exiterr.Sys().(syscall.WaitStatus); okStatus {
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errCode = status.ExitStatus()
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result = outErr.String()
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return result, errCode
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}
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} else {
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log.Fatalf("cmd.Wait: %v", err)
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return result, errCode
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}
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}
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result = out.String()
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return result, errCode
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}
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// GetChangedGoFiles returns a list of changed .go files
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// anything else is filtered out
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func GetChangedGoFiles() (result []string) {
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gitDiff, _ := RunCommand("git", "diff", "--name-only", "--cached", "--diff-filter=ACM")
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absolutePath := GetGitRoot()
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resultLines := strings.Split(gitDiff, "\n")
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for _, filename := range resultLines {
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if strings.HasSuffix(filename, ".go") {
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result = append(result, filepath.Join(absolutePath, filename))
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}
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}
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return result
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}
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// GetGitRoot returns the path with the .git directory
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func GetGitRoot() string {
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gitDir, _ := RunCommand("git", "rev-parse", "--git-dir")
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return filepath.Dir(gitDir)
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}
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