Initial commit: Add ampcode package

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.SRCINFO

@@ -0,0 +1,18 @@
+pkgbase = ampcode
+	pkgdesc = CLI for Amp, an agentic coding tool in research preview from Sourcegraph
+	pkgver = 0.0.1751990659
+	pkgrel = 1
+	url = https://github.com/sourcegraph/amp
+	arch = any
+	license = Apache-2.0
+	makedepends = npm
+	depends = nodejs
+	optdepends = git: allow Amp to use git
+	optdepends = github-cli: interact with GitHub
+	optdepends = glab: interact with GitLab
+	optdepends = ripgrep: enhanced file search
+	noextract = amp-0.0.1751990659-g94e814.tgz
+	source = https://registry.npmjs.org/@sourcegraph/amp/-/amp-0.0.1751990659-g94e814.tgz
+	b2sums = ecfc63b2e30250b9268551c4cee42ec452a88bdb11b6b696ef16bc40ca5c8fb7f6988589063eafb9fcee720fb0fce823883db19be907152874ee060180e77570
+
+pkgname = ampcode

PKGBUILD

@@ -0,0 +1,27 @@
+# Maintainer: Will Handley <wh260@cam.ac.uk>
+pkgname=ampcode
+_full_pkgname="@sourcegraph/amp"
+pkgver=0.0.1751990659
+pkgrel=1
+pkgdesc="CLI for Amp, an agentic coding tool in research preview from Sourcegraph"
+arch=('any')
+url="https://github.com/sourcegraph/amp"
+license=('Apache-2.0')
+depends=('nodejs')
+makedepends=('npm')
+optdepends=(
+	'git: allow Amp to use git'
+	'github-cli: interact with GitHub'
+	'glab: interact with GitLab'
+	'ripgrep: enhanced file search'
+)
+source=("https://registry.npmjs.org/$_full_pkgname/-/amp-$pkgver-g94e814.tgz")
+b2sums=('ecfc63b2e30250b9268551c4cee42ec452a88bdb11b6b696ef16bc40ca5c8fb7f6988589063eafb9fcee720fb0fce823883db19be907152874ee060180e77570')
+noextract=("amp-${pkgver}-g94e814.tgz")
+
+package() {
+	npm install -g --prefix "${pkgdir}/usr" "${srcdir}/amp-${pkgver}-g94e814.tgz"
+
+	# Install README as license documentation since no LICENSE file exists
+	install -Dm644 "${pkgdir}/usr/lib/node_modules/@sourcegraph/amp/README.md" "${pkgdir}/usr/share/licenses/${pkgname}/README.md"
+}