rclone/bin/not-in-stable.go

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// This shows the commits not yet in the stable branch
package main
import (
"bytes"
"flag"
"fmt"
"log"
"os"
"os/exec"
"regexp"
"github.com/coreos/go-semver/semver"
)
// version=$(sed <VERSION -e 's/\.[0-9]+*$//g')
// echo "Checking version ${version}"
// echo
//
// git log --oneline ${version}.0..${version}-stable | cut -c11- | sort > /tmp/in-stable
// git log --oneline ${version}.0..master | cut -c11- | sort > /tmp/in-master
//
// comm -23 /tmp/in-master /tmp/in-stable
var logRe = regexp.MustCompile(`^([0-9a-f]{4,}) (.*)$`)
// run the test passed in with the -run passed in
func readCommits(from, to string) (logMap map[string]string, logs []string) {
cmd := exec.Command("git", "log", "--oneline", from+".."+to)
out, err := cmd.Output()
if err != nil {
log.Fatalf("failed to run git log %s: %v", from+".."+to, err)
}
logMap = map[string]string{}
logs = []string{}
for _, line := range bytes.Split(out, []byte{'\n'}) {
if len(line) == 0 {
continue
}
match := logRe.FindSubmatch(line)
if match == nil {
log.Fatalf("failed to parse line: %q", line)
}
var hash, logMessage = string(match[1]), string(match[2])
logMap[logMessage] = hash
logs = append(logs, logMessage)
}
return logMap, logs
}
func main() {
flag.Parse()
args := flag.Args()
if len(args) != 0 {
log.Fatalf("Syntax: %s", os.Args[0])
}
// v1.54.0
versionBytes, err := os.ReadFile("VERSION")
if err != nil {
log.Fatalf("Failed to read version: %v", err)
}
if versionBytes[0] == 'v' {
versionBytes = versionBytes[1:]
}
versionBytes = bytes.TrimSpace(versionBytes)
semver := semver.New(string(versionBytes))
stable := fmt.Sprintf("v%d.%d", semver.Major, semver.Minor-1)
log.Printf("Finding commits in %v not in stable %s", semver, stable)
masterMap, masterLogs := readCommits(stable+".0", "master")
stableMap, _ := readCommits(stable+".0", stable+"-stable")
for _, logMessage := range masterLogs {
// Commit found in stable already
if _, found := stableMap[logMessage]; found {
continue
}
hash := masterMap[logMessage]
fmt.Printf("%s %s\n", hash, logMessage)
}
}