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spife.go
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spife.go
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package main
import (
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"regexp"
"strconv"
"strings"
)
// Version ...
type Version struct {
Major uint64
Minor uint64
Patch uint64
}
func (v Version) String() string {
s := make([]byte, 0, 5)
s = strconv.AppendUint(s, v.Major, 10)
s = append(s, '.')
s = strconv.AppendUint(s, v.Minor, 10)
s = append(s, '.')
s = strconv.AppendUint(s, v.Patch, 10)
return string(s)
}
func bumpVersion(v Version, bumpLevel string) (Version, error) {
if bumpLevel == "patch" {
v.Patch++
} else if bumpLevel == "minor" {
v.Minor++
v.Patch = 0
} else if bumpLevel == "major" {
v.Major++
v.Minor = 0
v.Patch = 0
} else {
return Version{}, fmt.Errorf("Bump level '%s' unknown", bumpLevel)
}
return v, nil
}
func gitCommit(path, bumpLevel, newVersion, gitRemotes string, gitPush bool, gitUseFollowTags bool) {
// git add
fmt.Println("Adding changes to Git index")
os.Chdir(path)
_, err := exec.Command("git", "add", "metadata.rb").Output()
if err != nil {
log.Fatal(err)
}
if gitPush {
// git commit
fmt.Println("Committing changes")
commitMessage := fmt.Sprintf("%s bump to version %s", bumpLevel, newVersion)
_, err := exec.Command("git", "commit", "-m", commitMessage, "-n").Output()
if err != nil {
log.Fatal(err)
}
// git tag
fmt.Printf("Adding tag '%s'\n", newVersion)
tagMessage := fmt.Sprintf("%s", newVersion)
_, err = exec.Command("git", "tag", "-a", newVersion, "-m", tagMessage).Output()
if err != nil {
log.Fatal(err)
}
// git push to gitRemotes
remotes := strings.Split(gitRemotes, ",")
for i := range remotes {
remote := strings.TrimSpace(remotes[i])
if gitUseFollowTags {
fmt.Printf("Pushing changes to '%s'\n", remote)
_, err = exec.Command("git", "push", remote, "master", "--follow-tags").Output()
} else {
fmt.Printf("Pushing changes to '%s'\n", remote)
_, err = exec.Command("git", "push", remote, "master").Output()
fmt.Printf("Pushing tags to '%s'\n", remote)
_, err = exec.Command("git", "push", remote, "master", "--tags").Output()
}
if err != nil {
log.Fatal(err)
}
}
}
}
func parseVersion(version string) (Version, error) {
versionArray := strings.SplitN(version, ".", 3)
if len(versionArray) != 3 {
return Version{}, fmt.Errorf("No major/minor/patch elements found")
}
var err error
v := Version{}
// major
v.Major, err = strconv.ParseUint(versionArray[0], 10, 64)
if err != nil {
return Version{}, err
}
// minor
v.Minor, err = strconv.ParseUint(versionArray[1], 10, 64)
if err != nil {
return Version{}, err
}
// patch
v.Patch, err = strconv.ParseUint(versionArray[2], 10, 64)
if err != nil {
return Version{}, err
}
return v, nil
}
func metadata(path, bumpLevel string) string {
path += "/metadata.rb"
input, err := ioutil.ReadFile(path)
if err != nil {
log.Fatalln(err)
}
lines := strings.Split(string(input), "\n")
newVersion := Version{}
for i, line := range lines {
matchedVersionPattern, _ := regexp.MatchString("^( |\t)*version( |\t)+(\\'|\")(.+)(\\'|\")", line)
if matchedVersionPattern {
line = strings.Replace(line, "\"", "'", 2)
lineArray := strings.Split(line, "'")
fmt.Printf("Current version: %s\n", lineArray[1])
version, err := parseVersion(lineArray[1])
if err != nil {
log.Fatalln(err)
}
newVersion, err = bumpVersion(version, bumpLevel)
if err != nil {
log.Fatalln(err)
}
lineArray[1] = newVersion.String()
fmt.Printf("New version: %s\n", lineArray[1])
lines[i] = strings.Join(lineArray, "'")
break
}
}
output := strings.Join(lines, "\n")
err = ioutil.WriteFile(path, []byte(output), 0644)
if err != nil {
log.Fatalln(err)
}
return newVersion.String()
}
func main() {
path := flag.String("path", "", "Full or relative path to the cookbook directory. REQUIRED.")
bumpLevel := flag.String("bump-level", "patch", "Version level to bump the cookbook")
gitPush := flag.Bool("git-push", true, "Whether or not changes should be committed.")
gitUseFollowTags := flag.Bool("git-use-follow-tags", true, "Use the Git directive --follow-tags.")
gitRemotes := flag.String("git-remotes", "upstream, origin", "Comma separated list of Git remotes")
flag.Parse()
if *path == "" {
flag.PrintDefaults()
os.Exit(1)
}
newVersion := metadata(*path, *bumpLevel)
gitCommit(*path, *bumpLevel, newVersion, *gitRemotes, *gitPush, *gitUseFollowTags)
}