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/
bin.go
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/
bin.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"
"os"
"path"
"path/filepath"
"runtime"
"strings"
"github.com/Unknwon/com"
"github.com/codegangsta/cli"
"github.com/gpmgo/gopm/doc"
"github.com/gpmgo/gopm/log"
)
var CmdBin = cli.Command{
Name: "bin",
Usage: "download and link dependencies and build executable binary",
Description: `Command bin downloads and links dependencies according to gopmfile,
and build executable binary to work directory
gopm bin <import path>@[<tag|commit|branch>:<value>]
gopm bin <package name>@[<tag|commit|branch>:<value>]
Can only specify one each time, and only works for projects that
contain main package`,
Action: runBin,
Flags: []cli.Flag{
cli.BoolFlag{"dir, d", "build binary to given directory(second argument)"},
cli.BoolFlag{"update, u", "update pakcage(s) and dependencies if any"},
cli.BoolFlag{"verbose, v", "show process details"},
},
}
func runBin(ctx *cli.Context) {
setup(ctx)
if len(ctx.Args()) == 0 {
log.Error("bin", "Cannot start command:")
log.Fatal("", "\tNo package specified")
}
installRepoPath = doc.HomeDir + "/repos"
log.Log("Local repository path: %s", installRepoPath)
// Check arguments.
num := 1
if ctx.Bool("dir") {
num = 2
}
if len(ctx.Args()) != num {
log.Error("bin", "Cannot start command:")
log.Fatal("", "\tMissing indicated path to build binary")
}
// Check if given directory exists.
if ctx.Bool("dir") && !com.IsDir(ctx.Args()[1]) {
log.Error("bin", "Cannot start command:")
log.Fatal("", "\tIndicated path does not exist or is not a directory")
}
// Parse package version.
info := ctx.Args()[0]
pkgPath := info
node := doc.NewNode(pkgPath, pkgPath, doc.BRANCH, "", true)
if i := strings.Index(info, "@"); i > -1 {
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
// Get code.
downloadPackages(ctx, []*doc.Node{node})
// Check if previous steps were successful.
repoPath := installRepoPath + "/" + pkgPath + versionSuffix(node.Value)
if !com.IsDir(repoPath) {
log.Error("bin", "Cannot continue command:")
log.Fatal("", "\tPrevious steps weren't successful")
}
wd, err := os.Getwd()
if err != nil {
log.Error("bin", "Cannot get work directory:")
log.Fatal("", "\t"+err.Error())
}
// Change to repository path.
log.Log("Changing work directory to %s", repoPath)
if err = os.Chdir(repoPath); err != nil {
log.Error("bin", "Fail to change work directory:")
log.Fatal("", "\t"+err.Error())
}
defer os.RemoveAll(path.Join(repoPath, doc.VENDOR))
// Build application.
buildBinary(ctx)
includes := make([]string, 0, 3)
// Check if previous steps were successful.
if com.IsFile(doc.GOPM_FILE_NAME) {
log.Trace("Loading gopmfile...")
gf := doc.NewGopmfile(".")
var err error
pkgName, err = gf.GetValue("target", "path")
if err == nil {
log.Log("Target name: %s", pkgName)
}
includes = strings.Split(gf.MustValue("res", "include"), "|")
}
if len(pkgName) == 0 {
_, pkgName = filepath.Split(pkgPath)
}
// Because build command moved binary to root path.
binName := path.Base(pkgName)
if runtime.GOOS == "windows" {
binName += ".exe"
}
if !com.IsFile(binName) {
log.Error("bin", "Binary does not exist:")
log.Error("", "\t"+binName)
log.Fatal("", "\tPrevious steps weren't successful or the project does not contain main package")
}
// Move binary to given directory.
movePath := wd
if ctx.Bool("dir") {
movePath = ctx.Args()[1]
}
if com.IsExist(movePath + "/" + binName) {
if err = os.Remove(movePath + "/" + binName); err != nil {
log.Warn("Cannot remove binary in work directory:")
log.Warn("\t %s", err)
}
}
if err = os.Rename(binName, movePath+"/"+binName); err != nil {
log.Error("bin", "Fail to move binary:")
log.Fatal("", "\t"+err.Error())
}
os.Chmod(movePath+"/"+binName, os.ModePerm)
if len(includes) > 0 {
log.Log("Copying resources to %s", movePath)
for _, include := range includes {
if com.IsDir(include) {
if err = com.CopyDir(include, filepath.Join(movePath, include)); err != nil {
log.Error("bin", "Fail to copy following resource:")
log.Error("", "\t"+include)
}
}
}
}
log.Log("Changing work directory back to %s", wd)
os.Chdir(wd)
log.Success("SUCC", "bin", "Command executed successfully!")
fmt.Println("Binary has been built into: " + movePath)
}