/
build_info.go
173 lines (162 loc) · 3.68 KB
/
build_info.go
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package main
import (
"flag"
"fmt"
"os"
"os/exec"
"path"
"path/filepath"
"runtime"
"strings"
)
type buildInfo struct {
appID string
archs []string
ldflags string
minsdk int
name string
pkgDir string
pkgPath string
iconPath string
tags string
target string
version int
key string
password string
}
func newBuildInfo(pkgPath string) (*buildInfo, error) {
pkgMetadata, err := getPkgMetadata(pkgPath)
if err != nil {
return nil, err
}
appID := getAppID(pkgMetadata)
appIcon := filepath.Join(pkgMetadata.Dir, "appicon.png")
if *iconPath != "" {
appIcon = *iconPath
}
bi := &buildInfo{
appID: appID,
archs: getArchs(),
ldflags: getLdFlags(appID),
minsdk: *minsdk,
name: getPkgName(pkgMetadata),
pkgDir: pkgMetadata.Dir,
pkgPath: pkgPath,
iconPath: appIcon,
tags: *extraTags,
target: *target,
version: *version,
key: *signKey,
password: *signPass,
}
return bi, nil
}
func getArchs() []string {
if *archNames != "" {
return strings.Split(*archNames, ",")
}
switch *target {
case "js":
return []string{"wasm"}
case "ios", "tvos":
// Only 64-bit support.
return []string{"arm64", "amd64"}
case "android":
return []string{"arm", "arm64", "386", "amd64"}
case "windows":
goarch := os.Getenv("GOARCH")
if goarch == "" {
goarch = runtime.GOARCH
}
return []string{goarch}
default:
// TODO: Add flag tests.
panic("The target value has already been validated, this will never execute.")
}
}
func getLdFlags(appID string) string {
var ldflags []string
if extra := *extraLdflags; extra != "" {
ldflags = append(ldflags, strings.Split(extra, " ")...)
}
// Pass appID along, to be used for logging on platforms like Android.
ldflags = append(
ldflags,
fmt.Sprintf(
"-X github.com/cybriq/p9/pkg/gel/gio/app/internal/log.appID=%s",
appID,
),
)
// Pass along all remaining arguments to the app.
if appArgs := flag.Args()[1:]; len(appArgs) > 0 {
ldflags = append(
ldflags,
fmt.Sprintf(
"-X github.com/cybriq/p9/pkg/gel/gio/app.extraArgs=%s",
strings.Join(appArgs, "|"),
),
)
}
if m := *linkMode; m != "" {
ldflags = append(ldflags, "-linkmode="+m)
}
return strings.Join(ldflags, " ")
}
type packageMetadata struct {
PkgPath string
Dir string
}
func getPkgMetadata(pkgPath string) (*packageMetadata, error) {
pkgImportPath, err := runCmd(
exec.Command(
"go", "list", "-f",
"{{.ImportPath}}", pkgPath,
),
)
if err != nil {
return nil, err
}
pkgDir, err := runCmd(exec.Command("go", "list", "-f", "{{.Dir}}", pkgPath))
if err != nil {
return nil, err
}
return &packageMetadata{
PkgPath: pkgImportPath,
Dir: pkgDir,
}, nil
}
func getAppID(pkgMetadata *packageMetadata) string {
if *appID != "" {
return *appID
}
elems := strings.Split(pkgMetadata.PkgPath, "/")
domain := strings.Split(elems[0], ".")
name := ""
if len(elems) > 1 {
name = "." + elems[len(elems)-1]
}
if len(elems) < 2 && len(domain) < 2 {
name = "." + domain[0]
domain[0] = "localhost"
} else {
for i := 0; i < len(domain)/2; i++ {
opp := len(domain) - 1 - i
domain[i], domain[opp] = domain[opp], domain[i]
}
}
pkgDomain := strings.Join(domain, ".")
appid := []rune(pkgDomain + name)
// a Java-language-style package name may contain upper- and lower-case
// letters and underscores with individual parts separated by '.'.
// https://developer.android.com/guide/topics/manifest/manifest-element
for i, c := range appid {
if !('a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' ||
c == '_' || c == '.') {
appid[i] = '_'
}
}
return string(appid)
}
func getPkgName(pkgMetadata *packageMetadata) string {
return path.Base(pkgMetadata.PkgPath)
}