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updateversion.go
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updateversion.go
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package main
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"strings"
)
func main() {
err := run()
if err != nil {
fmt.Println(err)
}
}
func run() (err error) {
versionNew := "v" + os.Getenv("VERSION")
versionHash, err := exec.Command("git", "rev-parse", "--short", "HEAD").Output()
if err != nil {
return
}
versionHashNew := strings.TrimSpace(string(versionHash))
fmt.Println(versionNew)
fmt.Println(versionHashNew)
err = replaceInFile("src/cli/cli.go", `Version = "`, `"`, versionNew+"-"+versionHashNew)
if err == nil {
fmt.Printf("updated cli.go to version %s\n", versionNew)
}
err = replaceInFile("README.md", `version-`, `-b`, strings.Split(versionNew, "-")[0])
if err == nil {
fmt.Printf("updated README to version %s\n", strings.Split(versionNew, "-")[0])
}
err = replaceInFile("src/install/default.txt", `croc_version="`, `"`, strings.Split(versionNew, "-")[0][1:])
if err == nil {
fmt.Printf("updated default.txt to version %s\n", strings.Split(versionNew, "-")[0][1:])
}
return
}
func replaceInFile(fname, start, end, replacement string) (err error) {
b, err := ioutil.ReadFile(fname)
if err != nil {
return
}
oldVersion := GetStringInBetween(string(b), start, end)
if oldVersion == "" {
err = fmt.Errorf("nothing")
return
}
newF := strings.Replace(
string(b),
fmt.Sprintf("%s%s%s", start, oldVersion, end),
fmt.Sprintf("%s%s%s", start, replacement, end),
1,
)
err = ioutil.WriteFile(fname, []byte(newF), 0644)
return
}
// GetStringInBetween Returns empty string if no start string found
func GetStringInBetween(str string, start string, end string) (result string) {
s := strings.Index(str, start)
if s == -1 {
return
}
s += len(start)
e := strings.Index(str[s:], end)
if e == -1 {
return
}
e += s
return str[s:e]
}