mirror of
https://github.com/beego/bee.git
synced 2024-11-01 05:00:55 +00:00
66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
package command
|
||
|
||
import (
|
||
"bytes"
|
||
"fmt"
|
||
"os/exec"
|
||
"strconv"
|
||
"strings"
|
||
)
|
||
|
||
// ExecCmdDirBytes executes system command in given directory
|
||
// and return stdout, stderr in bytes type, along with possible error.
|
||
func ExecCmdDirBytes(dir, cmdName string, args ...string) ([]byte, []byte, error) {
|
||
bufOut := new(bytes.Buffer)
|
||
bufErr := new(bytes.Buffer)
|
||
|
||
cmd := exec.Command(cmdName, args...)
|
||
cmd.Dir = dir
|
||
cmd.Stdout = bufOut
|
||
cmd.Stderr = bufErr
|
||
|
||
err := cmd.Run()
|
||
return bufOut.Bytes(), bufErr.Bytes(), err
|
||
}
|
||
|
||
// ExecCmdBytes executes system command
|
||
// and return stdout, stderr in bytes type, along with possible error.
|
||
func ExecCmdBytes(cmdName string, args ...string) ([]byte, []byte, error) {
|
||
return ExecCmdDirBytes("", cmdName, args...)
|
||
}
|
||
|
||
// ExecCmdDir executes system command in given directory
|
||
// and return stdout, stderr in string type, along with possible error.
|
||
func ExecCmdDir(dir, cmdName string, args ...string) (string, string, error) {
|
||
bufOut, bufErr, err := ExecCmdDirBytes(dir, cmdName, args...)
|
||
return string(bufOut), string(bufErr), err
|
||
}
|
||
|
||
// ExecCmd executes system command
|
||
// and return stdout, stderr in string type, along with possible error.
|
||
func ExecCmd(cmdName string, args ...string) (string, string, error) {
|
||
return ExecCmdDir("", cmdName, args...)
|
||
}
|
||
|
||
// 版本对比 v1比v2大返回1，小于返回-1，等于返回0
|
||
func VerCompare(ver1, ver2 string) int {
|
||
ver1 = strings.TrimLeft(ver1, "ver") // 清除v,e,r
|
||
ver2 = strings.TrimLeft(ver2, "ver") // 清除v,e,r
|
||
p1 := strings.Split(ver1, ".")
|
||
p2 := strings.Split(ver2, ".")
|
||
|
||
ver1 = ""
|
||
for _, v := range p1 {
|
||
iv, _ := strconv.Atoi(v)
|
||
ver1 = fmt.Sprintf("%s%04d", ver1, iv)
|
||
}
|
||
|
||
ver2 = ""
|
||
for _, v := range p2 {
|
||
iv, _ := strconv.Atoi(v)
|
||
ver2 = fmt.Sprintf("%s%04d", ver2, iv)
|
||
}
|
||
|
||
return strings.Compare(ver1, ver2)
|
||
}
|