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Merge pull request #60 from vbatts/fix_revlist

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commits: add a fallback if rev-list fails due to shallow depth
This commit is contained in:
Vincent Batts 2023-03-14 23:02:48 -04:00 committed by GitHub
commit 6f5b21b58e
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 45 additions and 5 deletions
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41
git/commits.go
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@ -15,13 +15,19 @@ import (
// If commitrange is a single commit, all ancestor commits up through the hash provided.
// If commitrange is an empty commit range, then nil is returned.
func Commits(commitrange string) ([]CommitEntry, error) {
// TEST if it has _enough_ of a range from rev-list
commitrange, err := checkRevList(commitrange)
if err != nil {
logrus.Errorf("failed to validate the git commit range: %s", err)
return nil, err
}
cmdArgs := []string{"git", "rev-list", commitrange}
if debug() {
logrus.Infof("[git] cmd: %q", strings.Join(cmdArgs, " "))
}
output, err := exec.Command(cmdArgs[0], cmdArgs[1:]...).Output()
if err != nil {
logrus.Errorf("mm[git] cmd: %q", strings.Join(cmdArgs, " "))
logrus.Errorf("[git] cmd: %q", strings.Join(cmdArgs, " "))
return nil, err
}
if len(output) == 0 {
@ -39,6 +45,39 @@ func Commits(commitrange string) ([]CommitEntry, error) {
return commits, nil
}
// Since the commitrange requested may be longer than the depth being cloned in CI,
// check for an error, if so do a git log to get the oldest available commit for a reduced range.
func checkRevList(commitrange string) (string, error) {
cmdArgs := []string{"git", "rev-list", commitrange}
if debug() {
logrus.Infof("[git] cmd: %q", strings.Join(cmdArgs, " "))
}
_, err := exec.Command(cmdArgs[0], cmdArgs[1:]...).Output()
if err == nil {
// no issues, return now
return commitrange, nil
}
cmdArgs = []string{"git", "log", "--pretty=oneline"}
if debug() {
logrus.Infof("[git] cmd: %q", strings.Join(cmdArgs, " "))
}
output, err := exec.Command(cmdArgs[0], cmdArgs[1:]...).Output()
if err != nil {
logrus.Errorf("[git] cmd: %q", strings.Join(cmdArgs, " "))
return "", err
}
// This "output" is now the list of available commits and short description.
// We want the last commit hash only.. (i.e. `| tail -n1 | awk '{ print $1 }'`)
chunks := strings.Split(strings.TrimSpace(string(output)), "\n")
if len(chunks) == 1 {
return strings.Split(chunks[0], " ")[0], nil
}
last := chunks[len(chunks)-1]
lastCommit := strings.Split(last, " ")[0]
return fmt.Sprintf("%s..HEAD", lastCommit), nil
}
// FieldNames are for the formating and rendering of the CommitEntry structs.
// Keys here are from git log pretty format "format:..."
var FieldNames = map[string]string{

9
main.go
View file

@ -3,10 +3,10 @@ package main
import (
"flag"
"fmt"
"log"
"os"
"strings"
"github.com/sirupsen/logrus"
_ "github.com/vbatts/git-validation/rules/danglingwhitespace"
_ "github.com/vbatts/git-validation/rules/dco"
_ "github.com/vbatts/git-validation/rules/messageregexp"
@ -62,7 +62,7 @@ func main() {
rules = validate.FilterRules(validate.RegisteredRules, validate.SanitizeFilters(*flRun))
}
if os.Getenv("DEBUG") != "" {
log.Printf("%#v", rules) // XXX maybe reduce this list
logrus.Printf("%#v", rules) // XXX maybe reduce this list
}
var commitRange = *flCommitRange
@ -80,13 +80,14 @@ func main() {
}
}
logrus.Infof("using commit range: %s", commitRange)
runner, err := validate.NewRunner(*flDir, rules, commitRange, *flVerbose)
if err != nil {
log.Fatal(err)
logrus.Fatal(err)
}
if err := runner.Run(); err != nil {
log.Fatal(err)
logrus.Fatal(err)
}
_, fail := runner.Results.PassFail()
if fail > 0 {