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// Copyright 2015 Google Inc. All rights reserved.
//
// 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 main
import (
"flag"
"fmt"
"io/ioutil"
"os"
"runtime"
"runtime/pprof"
"runtime/trace"
"strconv"
"strings"
"android/soong/zip"
)
type uniqueSet map[string]bool
func (u *uniqueSet) String() string {
return `""`
}
func (u *uniqueSet) Set(s string) error {
if _, found := (*u)[s]; found {
return fmt.Errorf("File %q was specified twice as a file to not deflate", s)
} else {
(*u)[s] = true
}
return nil
}
type file struct{}
func (file) String() string { return `""` }
func (file) Set(s string) error {
fileArgsBuilder.File(s)
return nil
}
type listFiles struct{}
func (listFiles) String() string { return `""` }
func (listFiles) Set(s string) error {
fileArgsBuilder.List(s)
return nil
}
type dir struct{}
func (dir) String() string { return `""` }
func (dir) Set(s string) error {
fileArgsBuilder.Dir(s)
return nil
}
type relativeRoot struct{}
func (relativeRoot) String() string { return "" }
func (relativeRoot) Set(s string) error {
fileArgsBuilder.SourcePrefixToStrip(s)
return nil
}
type junkPaths struct{}
func (junkPaths) IsBoolFlag() bool { return true }
func (junkPaths) String() string { return "" }
func (junkPaths) Set(s string) error {
v, err := strconv.ParseBool(s)
fileArgsBuilder.JunkPaths(v)
return err
}
type rootPrefix struct{}
func (rootPrefix) String() string { return "" }
func (rootPrefix) Set(s string) error {
fileArgsBuilder.PathPrefixInZip(s)
return nil
}
var (
fileArgsBuilder = zip.NewFileArgsBuilder()
nonDeflatedFiles = make(uniqueSet)
)
func usage() {
fmt.Fprintf(os.Stderr, "usage: soong_zip -o zipfile [-m manifest] [-C dir] [-f|-l file] [-D dir]...\n")
flag.PrintDefaults()
os.Exit(2)
}
func main() {
var expandedArgs []string
for _, arg := range os.Args {
if strings.HasPrefix(arg, "@") {
bytes, err := ioutil.ReadFile(strings.TrimPrefix(arg, "@"))
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
respArgs := zip.ReadRespFile(bytes)
expandedArgs = append(expandedArgs, respArgs...)
} else {
expandedArgs = append(expandedArgs, arg)
}
}
flags := flag.NewFlagSet("flags", flag.ExitOnError)
flags.Usage = usage
out := flags.String("o", "", "file to write zip file to")
manifest := flags.String("m", "", "input jar manifest file name")
directories := flags.Bool("d", false, "include directories in zip")
compLevel := flags.Int("L", 5, "deflate compression level (0-9)")
emulateJar := flags.Bool("jar", false, "modify the resultant .zip to emulate the output of 'jar'")
writeIfChanged := flags.Bool("write_if_changed", false, "only update resultant .zip if it has changed")
parallelJobs := flags.Int("parallel", runtime.NumCPU(), "number of parallel threads to use")
cpuProfile := flags.String("cpuprofile", "", "write cpu profile to file")
traceFile := flags.String("trace", "", "write trace to file")
flags.Var(&rootPrefix{}, "P", "path prefix within the zip at which to place files")
flags.Var(&listFiles{}, "l", "file containing list of .class files")
flags.Var(&dir{}, "D", "directory to include in zip")
flags.Var(&file{}, "f", "file to include in zip")
flags.Var(&nonDeflatedFiles, "s", "file path to be stored within the zip without compression")
flags.Var(&relativeRoot{}, "C", "path to use as relative root of files in following -f, -l, or -D arguments")
flags.Var(&junkPaths{}, "j", "junk paths, zip files without directory names")
flags.Parse(expandedArgs[1:])
if flags.NArg() > 0 {
fmt.Fprintf(os.Stderr, "unexpected arguments %s\n", strings.Join(flags.Args(), " "))
flags.Usage()
}
if *cpuProfile != "" {
f, err := os.Create(*cpuProfile)
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
defer f.Close()
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
if *traceFile != "" {
f, err := os.Create(*traceFile)
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
defer f.Close()
err = trace.Start(f)
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
defer trace.Stop()
}
if fileArgsBuilder.Error() != nil {
fmt.Fprintln(os.Stderr, fileArgsBuilder.Error())
os.Exit(1)
}
err := zip.Run(zip.ZipArgs{
FileArgs: fileArgsBuilder.FileArgs(),
OutputFilePath: *out,
EmulateJar: *emulateJar,
AddDirectoryEntriesToZip: *directories,
CompressionLevel: *compLevel,
ManifestSourcePath: *manifest,
NumParallelJobs: *parallelJobs,
NonDeflatedFiles: nonDeflatedFiles,
WriteIfChanged: *writeIfChanged,
})
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
}
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