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release-info-gen.go
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release-info-gen.go
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package main
// ////////////////////////////////////////////////////////////////////////////////// //
// //
// Copyright (c) 202 ESSENTIAL KAOS //
// Apache License, Version 2.0 <https://www.apache.org/licenses/LICENSE-2.0> //
// //
// ////////////////////////////////////////////////////////////////////////////////// //
import (
"os"
"os/exec"
"sort"
"strconv"
"strings"
"github.com/essentialkaos/ek/env"
"github.com/essentialkaos/ek/fmtc"
"github.com/essentialkaos/ek/path"
"github.com/essentialkaos/ek/sortutil"
"github.com/essentialkaos/ek/strutil"
)
// ////////////////////////////////////////////////////////////////////////////////// //
const (
APP = "ReleaseInfoGen"
VER = "2.0.0"
DESC = "Go utility for generating release info"
)
const (
TYPE_ADDED = "A"
TYPE_MODIFIED = "M"
TYPE_DELETED = "D"
TYPE_RENAMED = "R"
)
// ////////////////////////////////////////////////////////////////////////////////// //
type Change struct {
Type string
File string
Source string
Similarity float64
}
type Changes []Change
func (c Changes) Len() int { return len(c) }
func (c Changes) Swap(i, j int) { c[i], c[j] = c[j], c[i] }
func (c Changes) Less(i, j int) bool {
return sortutil.NaturalLess(
strings.ToLower(c[i].File),
strings.ToLower(c[j].File),
)
}
// ////////////////////////////////////////////////////////////////////////////////// //
func main() {
check()
genChanges()
}
// check checks required apps
func check() {
if env.Which("git") == "" {
printErrorAndExit("This script requires git")
}
}
// genChanges generates list of changes
func genChanges() {
err := checkoutLatestChanges()
if err != nil {
printErrorAndExit(err.Error())
}
changes := createChangesList()
if len(changes) == 0 {
printWarn("No changes found")
return
}
listAdditions(changes)
listModifications(changes)
listDeletions(changes)
}
// ////////////////////////////////////////////////////////////////////////////////// //
// checkoutLatestChanges checkouts the latest changes
func checkoutLatestChanges() error {
cmd := exec.Command("git", "checkout", "-B", "master", "origin/master")
err := cmd.Run()
if err != nil {
return err
}
cmd = exec.Command("git", "checkout", "develop")
err = cmd.Run()
if err != nil {
return err
}
return nil
}
// createChangesList makes slice with changes between develop and master branch
func createChangesList() Changes {
cmd := exec.Command("git", "diff", "--name-status", "master")
output, err := cmd.Output()
if err != nil {
printErrorAndExit(err.Error())
}
var changes Changes
for _, line := range strings.Split(string(output), "\n") {
if strings.Trim(line, " ") == "" {
continue
}
changes = append(changes, parseChangeInfo(line))
}
changes = filterChanges(changes)
sort.Sort(changes)
return changes
}
// listAdditions prints list with new specs
func listAdditions(changes Changes) {
var data []string
for _, c := range changes {
if c.Type == TYPE_ADDED {
values := getSpecValue(c.File, "name", "summary")
data = append(data, fmtc.Sprintf(
"`%s` (_{&}%s{!}_)", values[0], values[1],
))
}
if c.Type == TYPE_RENAMED {
fileName := path.Base(c.File)
srcName := path.Base(c.Source)
if fileName != srcName {
values := getSpecValue(c.File, "name", "summary")
data = append(data, fmtc.Sprintf(
"`%s` (_{&}%s{!}_)", values[0], values[1],
))
}
}
}
sortutil.StringsNatural(data)
fmtc.Println("{*}### New packages{!}\n")
for _, info := range data {
fmtc.Printf("{s}-{!} %s\n", info)
}
fmtc.NewLine()
}
// listModifications prints list with updated specs
func listModifications(changes Changes) {
var data []string
for _, c := range changes {
if c.Type != TYPE_MODIFIED {
continue
}
values := getSpecValue(c.File, "name", "version")
data = append(data, fmtc.Sprintf(
"`%s` updated to %s", values[0], values[1],
))
}
sortutil.StringsNatural(data)
fmtc.Println("{*}### Updates{!}\n")
for _, info := range data {
fmtc.Printf("{s}-{!} %s\n", info)
}
fmtc.NewLine()
}
// listDeletions prints list with deleted specs
func listDeletions(changes Changes) {
var data []string
for _, c := range changes {
if c.Type == TYPE_DELETED {
dirName := path.Base(path.Dir(c.File))
fileName := path.Base(c.File)
pkgName := strutil.Exclude(fileName, ".spec")
if isUniqSpec(c.File) {
data = append(data, pkgName)
} else {
data = append(data, dirName+"/"+pkgName)
}
}
if c.Type == TYPE_RENAMED {
fileName := path.Base(c.File)
srcName := path.Base(c.Source)
if fileName != srcName {
pkgName := strutil.Exclude(srcName, ".spec")
dirName := path.Base(path.Dir(c.Source))
if isUniqSpec(c.File) {
data = append(data, pkgName)
} else {
data = append(data, dirName+"/"+pkgName)
}
}
}
}
sortutil.StringsNatural(data)
fmtc.Println("{*}### Deletions{!}\n")
for _, pkg := range data {
fmtc.Printf("{s}-{!} `%s`\n", pkg)
}
fmtc.NewLine()
}
// parseChangeInfo parses change info
func parseChangeInfo(line string) Change {
changeType := strutil.ReadField(line, 0, true, ' ', '\t')
switch changeType {
case TYPE_ADDED, TYPE_DELETED, TYPE_MODIFIED:
return Change{
Type: changeType,
File: strutil.ReadField(line, 1, true, ' ', '\t'),
}
}
if !strings.HasPrefix(line, TYPE_RENAMED) {
return Change{}
}
return Change{
Type: TYPE_RENAMED,
File: strutil.ReadField(line, 2, true, ' ', '\t'),
Source: strutil.ReadField(line, 1, true, ' ', '\t'),
Similarity: extractSimilarityIndex(changeType),
}
}
// extractSimilarityIndex extracts similarity index from record
func extractSimilarityIndex(data string) float64 {
data = strings.TrimLeft(data, TYPE_RENAMED+"0")
v, _ := strconv.ParseFloat(data, 64)
return v / 100
}
// filterChanges removes all non-spec changes from given slice
func filterChanges(changes Changes) Changes {
var index int
for _, c := range changes {
if strings.HasSuffix(c.File, ".spec") {
changes[index] = c
index++
}
}
return changes[:index]
}
// getSpecValue reads macro value from spec
func getSpecValue(file string, macros ...string) []string {
var macroList string
for _, macro := range macros {
macroList += "%{" + macro + "}\n"
}
cmd := exec.Command("rpm", "-q", "--qf", macroList, "--specfile", file)
output, err := cmd.Output()
if err != nil {
return make([]string, len(macros))
}
return strings.Split(string(output), "\n")
}
// isUniqSpec returns true if spec is unique (only one spec with this name)
func isUniqSpec(file string) bool {
switch {
case strings.Contains(file, "postgres"):
return false
}
return true
}
// ////////////////////////////////////////////////////////////////////////////////// //
// printError prints error message to console
func printError(f string, a ...interface{}) {
if len(a) == 0 {
fmtc.Fprintln(os.Stderr, "{r}"+f+"{!}")
} else {
fmtc.Fprintf(os.Stderr, "{r}"+f+"{!}\n", a...)
}
}
// printError prints warning message to console
func printWarn(f string, a ...interface{}) {
if len(a) == 0 {
fmtc.Fprintln(os.Stderr, "{y}"+f+"{!}")
} else {
fmtc.Fprintf(os.Stderr, "{y}"+f+"{!}\n", a...)
}
}
// printErrorAndExit print error mesage and exit with exit code 1
func printErrorAndExit(f string, a ...interface{}) {
printError(f, a...)
os.Exit(1)
}