From cdf2e4a2fb364599f2ac186f98f35384032277f4 Mon Sep 17 00:00:00 2001
From: Ophestra <cat@gensokyo.uk>
Date: Thu, 22 Jan 2026 04:06:48 +0900
Subject: [PATCH] internal/rosa: bash artifact

Required by llvm unit and regression tests.

Signed-off-by: Ophestra <cat@gensokyo.uk>
---
 internal/rosa/gnu.go  | 27 +++++++++++++++++++++++++++
 internal/rosa/llvm.go |  2 ++
 2 files changed, 29 insertions(+)

diff --git a/internal/rosa/gnu.go b/internal/rosa/gnu.go
index 1ee76b8..b208718 100644
--- a/internal/rosa/gnu.go
+++ b/internal/rosa/gnu.go
@@ -139,3 +139,30 @@ make DESTDIR=/work install
 		pkg.TarGzip,
 	)))
 }
+
+// NewBash returns a [pkg.Artifact] containing an installation of GNU Bash.
+func (t Toolchain) NewBash() pkg.Artifact {
+	const (
+		version  = "5.3"
+		checksum = "4LQ_GRoB_ko-Ih8QPf_xRKA02xAm_TOxQgcJLmFDT6udUPxTAWrsj-ZNeuTusyDq"
+	)
+	return t.New("bash-"+version, []pkg.Artifact{
+		t.NewMake(),
+	}, nil, nil, `
+cd /usr/src/bash
+test_disable() { chmod +w "$2" && echo "$1" > "$2"; }
+
+cd "$(mktemp -d)"
+/usr/src/bash/configure \
+	--prefix=/system \
+	--build="${ROSA_TRIPLE}" \
+	--without-bash-malloc
+make "-j$(nproc)" check
+make DESTDIR=/work install
+`, pkg.Path(AbsUsrSrc.Append("bash"), true, pkg.NewHTTPGetTar(
+		nil,
+		"https://ftp.gnu.org/gnu/bash/bash-"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	)))
+}
diff --git a/internal/rosa/llvm.go b/internal/rosa/llvm.go
index 898c92c..fd31d4b 100644
--- a/internal/rosa/llvm.go
+++ b/internal/rosa/llvm.go
@@ -129,6 +129,8 @@ func (t Toolchain) newLLVM(variant string, attr *llvmAttr) pkg.Artifact {
 		t.NewPython(),
 		t.NewPerl(),
 		t.NewDiffutils(),
+		t.NewBash(),
+
 		t.NewKernelHeaders(),
 	}
 	if t == toolchainStage3 {