internal/rosa/package: migrate hakurei

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

3 files changed, 234 insertions, 0 deletions

diff --git a/internal/rosa/package/hakurei/2a9aa3b4007a73a6c9d4608cb9a8822247881fd6.patch b/internal/rosa/package/hakurei/2a9aa3b4007a73a6c9d4608cb9a8822247881fd6.patch
new file mode 100644
index 00000000..58389048
--- /dev/null
+++ b/internal/rosa/package/hakurei/2a9aa3b4007a73a6c9d4608cb9a8822247881fd6.patch
@@ -0,0 +1,61 @@
+From 2a9aa3b4007a73a6c9d4608cb9a8822247881fd6 Mon Sep 17 00:00:00 2001
+From: Ophestra <cat@gensokyo.uk>
+Date: Thu, 21 May 2026 23:34:50 +0900
+Subject: [PATCH] cmd/dist: include version in release
+
+This makes HAKUREI_VERSION optional during build.
+
+Signed-off-by: Ophestra <cat@gensokyo.uk>
+---
+ cmd/dist/VERSION | 1 +
+ cmd/dist/main.go | 7 ++++++-
+ flake.nix        | 1 -
+ 3 files changed, 7 insertions(+), 2 deletions(-)
+ create mode 100644 cmd/dist/VERSION
+
+diff --git a/cmd/dist/VERSION b/cmd/dist/VERSION
+new file mode 100644
+index 00000000..0eec13e4
+--- /dev/null
++++ b/cmd/dist/VERSION
+@@ -0,0 +1 @@
++v0.4.2
+diff --git a/cmd/dist/main.go b/cmd/dist/main.go
+index 9ed7f2f8..d876cf83 100644
+--- a/cmd/dist/main.go
++++ b/cmd/dist/main.go
+@@ -18,8 +18,13 @@ import (
+ 	"os/signal"
+ 	"path/filepath"
+ 	"runtime"
++	"strings"
+ )
+ 
++//go:generate sh -c "git describe --tags > VERSION"
++//go:embed VERSION
++var version string
++
+ // getenv looks up an environment variable, and returns fallback if it is unset.
+ func getenv(key, fallback string) string {
+ 	if v, ok := os.LookupEnv(key); ok {
+@@ -47,7 +52,7 @@ func main() {
+ 
+ 	verbose := os.Getenv("VERBOSE") != ""
+ 	runTests := os.Getenv("HAKUREI_DIST_MAKE") == ""
+-	version := getenv("HAKUREI_VERSION", "untagged")
++	version = getenv("HAKUREI_VERSION", strings.TrimSpace(version))
+ 	prefix := getenv("PREFIX", "/usr")
+ 	destdir := getenv("DESTDIR", "dist")
+ 
+diff --git a/flake.nix b/flake.nix
+index 4de35204..09520be2 100644
+--- a/flake.nix
++++ b/flake.nix
+@@ -139,7 +139,6 @@
+                 GOCACHE="$(mktemp -d)" \
+                 PATH="${pkgs.pkgsStatic.musl.bin}/bin:$PATH" \
+                 DESTDIR="$out" \
+-                HAKUREI_VERSION="v${hakurei.version}" \
+                   ./all.sh
+               '';
+         }
diff --git a/internal/rosa/package/hakurei/hostname b/internal/rosa/package/hakurei/hostname
new file mode 100644
index 00000000..de72c9d1
--- /dev/null
+++ b/internal/rosa/package/hakurei/hostname
@@ -0,0 +1,11 @@
+package main
+
+import "os"
+
+func main() {
+	if name, err := os.Hostname(); err != nil {
+		panic(err)
+	} else {
+		os.Stdout.WriteString(name)
+	}
+}
diff --git a/internal/rosa/package/hakurei/package.az b/internal/rosa/package/hakurei/package.az
new file mode 100644
index 00000000..f0d89150
--- /dev/null
+++ b/internal/rosa/package/hakurei/package.az
@@ -0,0 +1,162 @@
+package hakurei-source {
+	description = "hakurei source tree";
+	exclude = true;
+
+	version* = "0.4.2";
+	output = remoteTar {
+		url = "https://git.gensokyo.uk/rosa/hakurei/archive/"+
+			"v"+version+".tar.gz";
+		checksum = "jadgaOrxv5ABGvzQ_Rk0aPGz7U8K-427TbMhQNQ32scSizEnlR44Pu7NoWYWVZWq";
+		compress = gzip;
+	};
+}
+
+package hakurei {
+	description = "low-level userspace tooling for Rosa OS";
+	website = "https://hakurei.app";
+	anitya = 388834;
+
+	source = hakurei-source;
+	patches = [ "2a9aa3b4007a73a6c9d4608cb9a8822247881fd6.patch" ];
+	enterSource = true;
+	writable = true;
+	chmod = true;
+
+	env = [
+		"CGO_ENABLED=1",
+		"GOCACHE=/tmp/gocache",
+		"CC=clang -O3 -Werror",
+	];
+
+	files = {
+		"hostname/main.go": "hostname";
+	};
+
+	exec = generic {
+		inPlace = true;
+		build = `
+echo 'Building test helper (hostname).'
+go build -o /bin/hostname /usr/src/hostname/main.go
+
+mkdir -p /work/system/libexec/hakurei/
+
+echo "Building hakurei for $(go env GOOS)/$(go env GOARCH)."
+go generate ./...
+go build -trimpath -tags=rosa -o /work/system/libexec/hakurei -ldflags="-s -w
+	-buildid=
+	-linkmode external
+	-extldflags=-static
+	-X hakurei.app/internal/info.buildVersion=$(cat cmd/dist/VERSION)
+	-X hakurei.app/internal/info.hakureiPath=/system/bin/hakurei
+	-X hakurei.app/internal/info.hsuPath=/system/bin/hsu
+	-X main.hakureiPath=/system/bin/hakurei
+" ./...
+echo`;
+		check = `
+echo '##### Testing hakurei.'
+go test -ldflags='-buildid= -linkmode external -extldflags=-static' ./...
+echo`;
+		install = `
+mkdir -p /work/system/bin/
+(cd /work/system/libexec/hakurei && mv \
+	hakurei \
+	sharefs \
+	../../bin/)
+`;
+	};
+
+	inputs = [
+		go,
+		pkg-config,
+
+		libseccomp,
+		acl,
+		fuse,
+		xcb,
+		wayland,
+		wayland-protocols,
+		kernel-headers,
+	];
+}
+
+package hakurei-dist {
+	description = "low-level userspace tooling for Rosa OS (distribution tarball)";
+	website = "https://hakurei.app";
+
+	source = hakurei-source;
+	patches = [ "2a9aa3b4007a73a6c9d4608cb9a8822247881fd6.patch" ];
+	enterSource = true;
+	writable = true;
+	chmod = true;
+
+	env = [
+		"CGO_ENABLED=1",
+		"GOCACHE=/tmp/gocache",
+		"CC=clang -O3 -Werror",
+	];
+
+	files = {
+		"hostname/main.go": "hostname";
+	};
+
+	exec = generic {
+		inPlace = true;
+		build = `
+echo 'Building test helper (hostname).'
+go build -o /bin/hostname /usr/src/hostname/main.go
+
+NAME=make`;
+		check = `
+NAME=all`;
+		install = `
+DESTDIR=/work "./${NAME}.sh"
+`;
+	};
+
+	inputs = [
+		go,
+		pkg-config,
+
+		libseccomp,
+		acl,
+		fuse,
+		xcb,
+		wayland,
+		wayland-protocols,
+		kernel-headers,
+	];
+}
+
+package earlyinit {
+	description = "Rosa OS initramfs init program";
+	exclude = true;
+
+	source = hakurei-source;
+	patches = [ "2a9aa3b4007a73a6c9d4608cb9a8822247881fd6.patch" ];
+	enterSource = true;
+	writable = true;
+	chmod = true;
+
+	env = [
+		"CGO_ENABLED=1",
+		"GOCACHE=/tmp/gocache",
+		"CC=clang -O3 -Werror",
+	];
+
+	exec = generic {
+		inPlace = true;
+		build = `
+mkdir -p /work/system/libexec/hakurei/
+
+echo '# Building earlyinit.'
+go build -trimpath -v -o /work/system/libexec/hakurei -ldflags="-s -w
+	-buildid=
+	-linkmode external
+	-extldflags=-static
+	-X hakurei.app/internal/info.buildVersion=$(cat cmd/dist/VERSION)
+" ./cmd/earlyinit
+echo`;
+	};
+
+	inputs = [ go ];
+}