taigrr/go-selfupdate
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Added ability to specify a directory of binaries for cross compiling

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This commit is contained in:
Mark Sanborn 2014-03-08 09:07:56 -08:00
parent 0bcff3c955
commit 80588a0d78
1 changed files with 30 additions and 18 deletions
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48
main.go
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@ -15,7 +15,7 @@ import (
//"encoding/base64" //"encoding/base64"
) )
var plat string var plat, appPath, version, genDir string
type current struct { type current struct {
Version string Version string
@ -58,21 +58,14 @@ func newGzReader(r io.ReadCloser) io.ReadCloser {
return g return g
} }
func main() { func createUpdate(path string, platform string) {
plat = os.Getenv("GOOS") + "-" + os.Getenv("GOARCH") c := current{Version: version, Sha256: generateSha256(path)}
appPath := os.Args[1]
version := os.Args[2]
genDir := "public"
os.MkdirAll(genDir, 0755)
c := current{Version: version, Sha256: generateSha256(appPath)}
b, err := json.MarshalIndent(c, "", " ") b, err := json.MarshalIndent(c, "", " ")
if err != nil { if err != nil {
fmt.Println("error:", err) fmt.Println("error:", err)
} }
err = ioutil.WriteFile(filepath.Join(genDir, plat+".json"), b, 0755) err = ioutil.WriteFile(filepath.Join(genDir, platform+".json"), b, 0755)
if err != nil { if err != nil {
panic(err) panic(err)
} }
@ -81,13 +74,13 @@ func main() {
var buf bytes.Buffer var buf bytes.Buffer
w := gzip.NewWriter(&buf) w := gzip.NewWriter(&buf)
f, err := ioutil.ReadFile(appPath) f, err := ioutil.ReadFile(path)
if err != nil { if err != nil {
panic(err) panic(err)
} }
w.Write(f) w.Write(f)
w.Close() // You must close this first to flush the bytes to the buffer. w.Close() // You must close this first to flush the bytes to the buffer.
err = ioutil.WriteFile(filepath.Join(genDir, version, plat+".gz"), buf.Bytes(), 0755) err = ioutil.WriteFile(filepath.Join(genDir, version, platform+".gz"), buf.Bytes(), 0755)
files, err := ioutil.ReadDir(genDir) files, err := ioutil.ReadDir(genDir)
if err != nil { if err != nil {
@ -104,14 +97,14 @@ func main() {
os.Mkdir(filepath.Join(genDir, file.Name(), version), 0755) os.Mkdir(filepath.Join(genDir, file.Name(), version), 0755)
fName := filepath.Join(genDir, file.Name(), plat+".gz") fName := filepath.Join(genDir, file.Name(), platform+".gz")
old, err := os.Open(fName) old, err := os.Open(fName)
if err != nil { if err != nil {
// Don't have an old release for this os/arch, continue on // Don't have an old release for this os/arch, continue on
continue continue
} }
fName = filepath.Join(genDir, version, plat+".gz") fName = filepath.Join(genDir, version, platform+".gz")
newF, err := os.Open(fName) newF, err := os.Open(fName)
if err != nil { if err != nil {
fmt.Fprintf(os.Stderr, "Can't open %s: error: %s\n", fName, err) fmt.Fprintf(os.Stderr, "Can't open %s: error: %s\n", fName, err)
@ -126,7 +119,26 @@ func main() {
if err := binarydist.Diff(ar, br, patch); err != nil { if err := binarydist.Diff(ar, br, patch); err != nil {
panic(err) panic(err)
} }
ioutil.WriteFile(filepath.Join(genDir, file.Name(), version, plat), patch.Bytes(), 0755) ioutil.WriteFile(filepath.Join(genDir, file.Name(), version, platform), patch.Bytes(), 0755)
}
}
func main() {
plat = os.Getenv("GOOS") + "-" + os.Getenv("GOARCH")
appPath = os.Args[1]
version = os.Args[2]
genDir = "public"
os.MkdirAll(genDir, 0755)
// If dir is given create update for each file
files, err := ioutil.ReadDir(appPath)
if err == nil {
for _, file := range files {
createUpdate(filepath.Join(appPath, file.Name()), file.Name())
}
os.Exit(0)
} }
createUpdate(appPath, plat)
} }