From aef796dec1700a607ea27bb4db55e4f83ae88dde Mon Sep 17 00:00:00 2001
From: Adam Malczewski <github@tradam.dev>
Date: Tue, 2 Jun 2026 17:01:23 +0900
Subject: build(pkg): provision cs for native installs via a 'code-search'
 split package

The Docker path (bin/up) already builds and bundles cs, but the native
package path (bin/service install -> bin/build-pkg -> makepkg) did not, so
search_code would have no cs binary under a systemd/s6 install and fall back
to its 'cs not found' error.

- packaging/PKGBUILD: add 'code-search' to the split pkgname array; add go+git
  to makedepends; build the patched, statically-linked cs (pinned v3.1.0
  commit + docker/cs/luau-declarations.patch) in build(); install it to
  /usr/bin/cs via a dedicated package_code-search() (with the upstream MIT
  LICENSE). Pin kept in lockstep with the Dockerfiles.
- bin/install-pkg: install code-search alongside dispatch + dispatch-systemd
  by default (and under --all).

Verified: full  run produces code-search-0.0.1-1-x86_64.pkg.tar.zst
containing a working /usr/bin/cs (v3.1.0, static) with Luau declaration
detection; the dispatch package no longer contains cs. Tests (598) + biome
still pass.
---
 packaging/PKGBUILD | 43 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 2 deletions(-)

(limited to 'packaging')

diff --git a/packaging/PKGBUILD b/packaging/PKGBUILD
index a9a5b5c..4fd96d2 100644
--- a/packaging/PKGBUILD
+++ b/packaging/PKGBUILD
@@ -11,13 +11,17 @@
 #   bin/build-pkg                # makepkg -fd in packaging/
 
 pkgbase=dispatch
-pkgname=('dispatch' 'dispatch-systemd' 'dispatch-s6')
+pkgname=('dispatch' 'dispatch-systemd' 'dispatch-s6' 'code-search')
 pkgver=0.0.1
 pkgrel=1
 arch=('x86_64')
 url='https://github.com/anomalyco/dispatch'
 license=('MIT')
-makedepends=('bun')
+makedepends=('bun' 'go' 'git')
+
+# Pinned cs (code spelunker) commit (tag v3.1.0) built for the search_code tool.
+# Kept in lockstep with the Docker build (see Dockerfile / Dockerfile.dev).
+_cs_commit=697e0bf194bbc7a4a877e5170c70618989fc92e7
 # All static files are read directly from ${_projectdir}/packaging/. We don't
 # use source=() because two of the s6 files share basenames (run, type), which
 # would collide inside ${srcdir}.
@@ -56,6 +60,18 @@ build() {
 	# Slim node_modules for runtime
 	rm -rf node_modules
 	bun install --frozen-lockfile --production
+
+	# --- Build the patched `cs` code-search binary for the search_code tool ---
+	# Clone the pinned cs commit, apply the Luau declaration patch, and build a
+	# statically-linked binary. cs vendors its deps, so `go build -mod=vendor`
+	# needs no network beyond the clone. Mirrors the Docker cs-builder stage.
+	git clone https://github.com/boyter/cs.git "${srcdir}/cs-src"
+	cd "${srcdir}/cs-src"
+	git checkout "${_cs_commit}"
+	git apply "${_projectdir}/docker/cs/luau-declarations.patch"
+	CGO_ENABLED=0 GOFLAGS=-mod=vendor GOPATH="${srcdir}/gopath" GOCACHE="${srcdir}/gocache" \
+		go build -ldflags="-s -w" -o "${srcdir}/cs" .
+	"${srcdir}/cs" --version
 }
 
 # ----------------------------------------------------------------------------
@@ -207,3 +223,26 @@ package_dispatch-s6() {
 	install -Dm644 "${_packagingdir}/s6/dispatch-frontend-log/notification-fd" \
 		"${pkgdir}/etc/s6/sv/dispatch-frontend-log/notification-fd"
 }
+
+
+# ----------------------------------------------------------------------------
+# code-search — patched `cs` (code spelunker) binary
+#
+# A standalone, relevance-ranked code search CLI (github.com/boyter/cs), built
+# from a pinned commit with an added Luau declaration table (see
+# docker/cs/luau-declarations.patch). Powers Dispatch's `search_code` agent
+# tool, but is a self-contained binary usable on its own. Built once in build()
+# and installed to /usr/bin/cs.
+# ----------------------------------------------------------------------------
+package_code-search() {
+	pkgdesc='code spelunker (cs) — fast, relevance-ranked code search CLI (patched for Luau)'
+	depends=()
+	url='https://github.com/boyter/cs'
+
+	install -Dm755 "${srcdir}/cs" "${pkgdir}/usr/bin/cs"
+
+	if [ -f "${srcdir}/cs-src/LICENSE" ]; then
+		install -Dm644 "${srcdir}/cs-src/LICENSE" \
+			"${pkgdir}/usr/share/licenses/code-search/LICENSE"
+	fi
+}
-- 
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