forked from gpmgo/gopm
/
exec.go
127 lines (110 loc) · 3.31 KB
/
exec.go
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// Copyright 2013-2014 gopm authors.
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package cmd
import (
"fmt"
"path"
"strings"
"github.com/Unknwon/com"
"github.com/codegangsta/cli"
"github.com/gpmgo/gopm/doc"
"github.com/gpmgo/gopm/log"
)
var CmdExec = cli.Command{
Name: "exec",
Usage: "execute go binary in specific version",
Description: `Command exec builds and executes go binary in specific version
based on the setting of your gopmfile or argument
gopm exec <import path|package name>
gopm exec <import path>@[<tag|commit|branch>:<value>]
gopm exec <package name>@[<tag|commit|branch>:<value>]
Can only specify one each time, and only works for projects that
contain main package`,
Action: runExec,
Flags: []cli.Flag{
cli.BoolFlag{"update, u", "update pakcage(s) and dependencies if any"},
cli.BoolFlag{"verbose, v", "show process details"},
},
}
func runExec(ctx *cli.Context) {
setup(ctx)
if len(ctx.Args()) == 0 {
log.Error("exec", "Cannot start command:")
log.Fatal("", "\tNo package specified")
}
installRepoPath = doc.HomeDir + "/repos"
log.Log("Local repository path: %s", installRepoPath)
// Parse package version.
info := ctx.Args()[0]
pkgPath := info
node := doc.NewNode(pkgPath, pkgPath, doc.BRANCH, "", true)
if i := strings.Index(info, "@"); i > -1 {
// Specify version by argument.
pkgPath = info[:i]
node.Type, node.Value = validPath(info[i+1:])
}
// Check package name.
if !strings.Contains(pkgPath, "/") {
pkgPath = doc.GetPkgFullPath(pkgPath)
}
node.ImportPath = pkgPath
node.DownloadURL = pkgPath
if len(node.Value) == 0 && com.IsFile(".gopmfile") {
// Specify version by gopmfile.
gf := doc.NewGopmfile(".")
info, err := gf.GetValue("exec", pkgPath)
if err == nil && len(info) > 0 {
node.Type, node.Value = validPath(info)
}
}
// Check if binary exists.
binPath := path.Join(doc.HomeDir, "bins", node.ImportPath, path.Base(node.ImportPath)+versionSuffix(node.Value))
log.Log("Binary path: %s", binPath)
if !com.IsFile(binPath) {
// Calling bin command.
args := []string{"bin", "-d"}
if ctx.Bool("verbose") {
args = append(args, "-v")
}
if ctx.Bool("update") {
args = append(args, "-u")
}
args = append(args, node.ImportPath+"@"+node.Type+":"+node.Value)
args = append(args, path.Dir(binPath))
stdout, stderr, err := com.ExecCmd("gopm", args...)
if err != nil {
log.Error("exec", "Building binary failed:")
log.Fatal("", "\t"+err.Error())
}
if len(stderr) > 0 {
fmt.Print(stderr)
}
if len(stdout) > 0 {
fmt.Print(stdout)
}
}
fmt.Printf("%+v\n", node)
return
stdout, stderr, err := com.ExecCmd(binPath, ctx.Args()[1:]...)
if err != nil {
log.Error("exec", "Calling binary failed:")
log.Fatal("", "\t"+err.Error())
}
if len(stderr) > 0 {
fmt.Print(stderr)
}
if len(stdout) > 0 {
fmt.Print(stdout)
}
}