mirror of
https://github.com/zyedidia/micro.git
synced 2024-10-27 20:49:47 +03:00
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package main
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import (
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"fmt"
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"os/exec"
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"strings"
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"github.com/zyedidia/micro/tools/semver"
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)
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func getTag(match ...string) (string, *semver.PRVersion) {
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args := append([]string{
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"describe", "--tags",
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}, match...)
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if tag, err := exec.Command("git", args...).Output(); err != nil {
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return "", nil
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} else {
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tagParts := strings.Split(string(tag), "-")
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if len(tagParts) == 3 {
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if ahead, err := semver.NewPRVersion(tagParts[1]); err == nil {
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return tagParts[0], &ahead
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}
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}
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return tagParts[0], nil
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}
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}
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func main() {
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// Find the last vX.X.X Tag and get how many builds we are ahead of it.
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versionStr, ahead := getTag("--match", "v*")
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version, err := semver.ParseTolerant(versionStr)
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if err != nil {
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// no version tag found so just return what ever we can find.
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fmt.Println("0.0.0-unknown")
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return
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}
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// Get the tag of the current revision.
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tag, _ := getTag("--exact-match")
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if tag == versionStr {
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// Seems that we are going to build a release.
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// So the version number should already be correct.
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fmt.Println(version.String())
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return
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}
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// If we don't have any tag assume "dev"
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if tag == "" {
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tag = "dev"
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}
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// Get the most likely next version:
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version.Patch = version.Patch + 1
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if pr, err := semver.NewPRVersion(tag); err == nil {
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// append the tag as pre-release name
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version.Pre = append(version.Pre, pr)
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}
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if ahead != nil {
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// if we know how many commits we are ahead of the last release, append that too.
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version.Pre = append(version.Pre, *ahead)
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}
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fmt.Println(version.String())
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}
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