lazy init of releases

v2ray · Mar 8, 2018 · f43f74d · f43f74d
1 parent 2f7c6ae
commit f43f74d
Showing 1 changed file with 25 additions and 18 deletions.
diff --git a/tools/build/v2ray.go b/tools/build/v2ray.go
@@ -18,23 +18,30 @@ type releaseID struct {
 	Arch build.Arch
 }
 
-var releases = map[releaseID][]build.Target{
-	genReleaseID(build.Windows, build.Amd64):  append(genRegularTarget(build.Windows, build.Amd64), getWindowsExtra(build.Amd64)...),
-	genReleaseID(build.Windows, build.X86):    append(genRegularTarget(build.Windows, build.X86), getWindowsExtra(build.X86)...),
-	genReleaseID(build.MacOS, build.Amd64):    append(genRegularTarget(build.MacOS, build.Amd64)),
-	genReleaseID(build.Linux, build.Amd64):    append(genRegularTarget(build.Linux, build.Amd64)),
-	genReleaseID(build.Linux, build.X86):      append(genRegularTarget(build.Linux, build.X86)),
-	genReleaseID(build.Linux, build.Arm64):    append(genRegularTarget(build.Linux, build.Arm64)),
-	genReleaseID(build.Linux, build.Arm):      append(genRegularTarget(build.Linux, build.Arm), getArmExtra()...),
-	genReleaseID(build.Linux, build.Mips64):   append(genRegularTarget(build.Linux, build.Mips64)),
-	genReleaseID(build.Linux, build.Mips64LE): append(genRegularTarget(build.Linux, build.Mips64LE)),
-	genReleaseID(build.Linux, build.Mips):     append(genRegularTarget(build.Linux, build.Mips), getMipsExtra(build.Mips)...),
-	genReleaseID(build.Linux, build.MipsLE):   append(genRegularTarget(build.Linux, build.MipsLE), getMipsExtra(build.MipsLE)...),
-	genReleaseID(build.Linux, build.S390X):    append(genRegularTarget(build.Linux, build.S390X)),
-	genReleaseID(build.OpenBSD, build.Amd64):  append(genRegularTarget(build.OpenBSD, build.Amd64)),
-	genReleaseID(build.OpenBSD, build.X86):    append(genRegularTarget(build.OpenBSD, build.X86)),
-	genReleaseID(build.FreeBSD, build.Amd64):  append(genRegularTarget(build.FreeBSD, build.Amd64)),
-	genReleaseID(build.FreeBSD, build.X86):    append(genRegularTarget(build.FreeBSD, build.X86)),
+var releases map[releaseID][]build.Target
+
+func getReleases() map[releaseID][]build.Target {
+	if releases == nil {
+		releases = map[releaseID][]build.Target{
+			genReleaseID(build.Windows, build.Amd64):  append(genRegularTarget(build.Windows, build.Amd64), getWindowsExtra(build.Amd64)...),
+			genReleaseID(build.Windows, build.X86):    append(genRegularTarget(build.Windows, build.X86), getWindowsExtra(build.X86)...),
+			genReleaseID(build.MacOS, build.Amd64):    append(genRegularTarget(build.MacOS, build.Amd64)),
+			genReleaseID(build.Linux, build.Amd64):    append(genRegularTarget(build.Linux, build.Amd64)),
+			genReleaseID(build.Linux, build.X86):      append(genRegularTarget(build.Linux, build.X86)),
+			genReleaseID(build.Linux, build.Arm64):    append(genRegularTarget(build.Linux, build.Arm64)),
+			genReleaseID(build.Linux, build.Arm):      append(genRegularTarget(build.Linux, build.Arm), getArmExtra()...),
+			genReleaseID(build.Linux, build.Mips64):   append(genRegularTarget(build.Linux, build.Mips64)),
+			genReleaseID(build.Linux, build.Mips64LE): append(genRegularTarget(build.Linux, build.Mips64LE)),
+			genReleaseID(build.Linux, build.Mips):     append(genRegularTarget(build.Linux, build.Mips), getMipsExtra(build.Mips)...),
+			genReleaseID(build.Linux, build.MipsLE):   append(genRegularTarget(build.Linux, build.MipsLE), getMipsExtra(build.MipsLE)...),
+			genReleaseID(build.Linux, build.S390X):    append(genRegularTarget(build.Linux, build.S390X)),
+			genReleaseID(build.OpenBSD, build.Amd64):  append(genRegularTarget(build.OpenBSD, build.Amd64)),
+			genReleaseID(build.OpenBSD, build.X86):    append(genRegularTarget(build.OpenBSD, build.X86)),
+			genReleaseID(build.FreeBSD, build.Amd64):  append(genRegularTarget(build.FreeBSD, build.Amd64)),
+			genReleaseID(build.FreeBSD, build.X86):    append(genRegularTarget(build.FreeBSD, build.X86)),
+		}
+	}
+	return releases
 }
 
 func genReleaseID(goOS build.OS, goArch build.Arch) releaseID {
@@ -189,5 +196,5 @@ func genStdLdFlags(goOS build.OS, goArch build.Arch) []string {
 }
 
 func GetReleaseTargets(goOS build.OS, goArch build.Arch) []build.Target {
-	return releases[genReleaseID(goOS, goArch)]
+	return getReleases()[genReleaseID(goOS, goArch)]
 }