internal/rosa/hakurei: isolate hakurei helper

For creating the dist tarball, which runs in the same environment.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/hakurei.go

@@ -4,7 +4,7 @@ import (
 	"hakurei.app/internal/pkg"
 )
 
-func (t Toolchain) newHakurei() pkg.Artifact {
+func (t Toolchain) newHakurei(script string) pkg.Artifact {
 	const (
 		version  = "0.3.4"
 		checksum = "wVwSLo75a2OnH5tgxNWXR_YhiOJUFnYM_9-sJtxAEOKhcPE0BJafs6PU8o5JzyCT"
@@ -39,27 +39,9 @@ echo
 
 chmod -R +w /usr/src/hakurei
 cd /usr/src/hakurei
-mkdir -p /work/system/{bin,libexec/hakurei}
 
-echo '# Building hakurei.'
-go generate -v ./...
-go build -trimpath -v -o /work/system/libexec/hakurei -ldflags="-s -w
-	-buildid=
-	-extldflags=-static
-	-X hakurei.app/internal/info.buildVersion='v`+version+`'
-	-X hakurei.app/internal/info.hakureiPath=/system/bin/hakurei
-	-X hakurei.app/internal/info.hsuPath=/system/bin/hsu
-	-X main.hakureiPath=/system/bin/hakurei" ./...
-echo
-
-echo '# Testing hakurei.'
-go test -ldflags='-buildid= -extldflags=-static' ./...
-echo
-
-mv \
-	/work/system/libexec/hakurei/{hakurei,hpkg} \
-	/work/system/bin
-`, pkg.Path(AbsUsrSrc.Append("hakurei"), true, pkg.NewHTTPGetTar(
+HAKUREI_VERSION='v`+version+`'
+`+script, pkg.Path(AbsUsrSrc.Append("hakurei"), true, pkg.NewHTTPGetTar(
 		nil, "https://git.gensokyo.uk/security/hakurei/archive/"+
 			"v"+version+".tar.gz",
 		mustDecode(checksum),
@@ -81,4 +63,29 @@ func main() {
 `),
 	)))
 }
-func init() { artifactsF[Hakurei] = Toolchain.newHakurei }
+func init() {
+	artifactsF[Hakurei] = func(t Toolchain) pkg.Artifact {
+		return t.newHakurei(`
+mkdir -p /work/system/{bin,libexec/hakurei}
+
+echo '# Building hakurei.'
+go generate -v ./...
+go build -trimpath -v -o /work/system/libexec/hakurei -ldflags="-s -w
+	-buildid=
+	-extldflags=-static
+	-X hakurei.app/internal/info.buildVersion="$HAKUREI_VERSION"
+	-X hakurei.app/internal/info.hakureiPath=/system/bin/hakurei
+	-X hakurei.app/internal/info.hsuPath=/system/bin/hsu
+	-X main.hakureiPath=/system/bin/hakurei" ./...
+echo
+
+echo '# Testing hakurei.'
+go test -ldflags='-buildid= -extldflags=-static' ./...
+echo
+
+mv \
+	/work/system/libexec/hakurei/{hakurei,sharefs} \
+	/work/system/bin
+`)
+	}
+}