initramfs pinch

Signed-off-by: Caleb Connolly <caleb@postmarketos.org>

main/pinch/00-initramfs-base.dirs

@@ -0,0 +1,12 @@
+/bin
+/boot
+/dev
+/etc
+/lib
+/proc
+/run
+/sbin
+/sys
+/sysroot
+/tmp
+/usr

main/pinch/00-initramfs-pinch.files

@@ -0,0 +1,5 @@
+/etc/deviceinfo
+/usr/share/deviceinfo/deviceinfo
+/sbin/init
+/usr/lib/pinch/pinch
+/usr/lib/pinch/*.lua

main/pinch/APKBUILD

@@ -0,0 +1,53 @@
+# Maintainer: Caleb Connolly <caleb@postmarketos.org>
+
+pkgname=pinch
+pkgver=0.1.0
+pkgrel=0
+pkgdesc="A small, fast, semi-modular initramfs PID-1"
+url="https://github.com/calebccff/pinch"
+arch="all !s390x" # s390x: fails to build
+license="GPL-3.0-only"
+source="https://github.com/calebccff/pinch/archive/$pkgver/pinch-$pkgver.tar.gz
+	00-initramfs-base.dirs
+	00-initramfs-pinch.files"
+#provides="postmarketos-initramfs=$pkgver-r$pkgrel"
+makedepends="cargo eudev-dev cargo-auditable lld"
+_cargo_opts="--frozen --no-default-features"
+RUSTFLAGS="-C target-feature=+crt-static -C strip=symbols"
+
+prepare() {
+	default_prepare
+	cargo fetch --target="$CTARGET" --locked
+}
+
+build() {
+	cargo auditable build $_cargo_opts --release
+}
+
+check() {
+	cargo test $_cargo_opts
+}
+
+package() {
+	install -Dm755 target/release/pinch -t "$pkgdir"/usr/lib/pinch/
+
+	mkdir -p "$pkgdir"/sbin/
+	ln -s /usr/lib/pinch/pinch "$pkgdir"/sbin/init
+
+	for script in $(find "$builddir"/lua/ -type f); do
+		echo "installing $script"
+		install -Dm644 "$script" -t "$pkgdir"/usr/lib/pinch/
+	done
+
+	# install -Dm644 "$srcdir"/00-initramfs-base.dirs \
+	# 	-t "$pkgdir"/usr/share/mkinitfs/dirs/
+
+	install -Dm644 "$srcdir"/00-initramfs-pinch.files \
+		-t "$pkgdir"/usr/share/mkinitfs/files/
+}
+
+sha512sums="
+0fe114cbda7d0b031a2f300de95d753c0d248560257fdc01e76bd3d3498ff87347e8779885851cf3369868921d2576048f8d51de2edf2726154a3465cba090a9  hkdm-0.2.1.tar.gz
+be538eeebeccc2454817a1df11b8ce6063f51df888c852f2e361aa2ebd9ad94b9c82c7c71fa1215be426aa5fa59993e1bb6132c9b2ff352cadc1e2b4125cb392  hkdm.openrc
+8dac666f468bc27fc9b8083f61a6bc0cac493784cd74ac1103fd44daa00103676ea836c48c82bd8cb5772cae07cc42f283b7ff326172cd40e7f91191577788ad  hkdm.conf
+"

main/postmarketos-initramfs/APKBUILD

@@ -88,7 +88,7 @@ sha512sums="
 5b364300f31c91fd0591eb0715f67cbf5383f45246a5fb9f34b79f7cb2e3b15768b2130e5f32f816cc169950f988c1beabc879ba31645c58ce131a288dbc071d  00-initramfs-base.dirs
 ab41b45b0613f25a61114ed8c8b92bc53c60838f6e2e0ba18c76e5369b2984e6023a0661887692673aca3f647f268c468a468f6b1ac424cfee609017a89481dd  00-initramfs-base.files
 8a4adad3785af474b36a09a05f6a3b2c4b4f43aac331a53b903abfa51ea12be1e3d1d807b7a6e66a1346815f3b0044daf8cd62e21e2dc75d2db13ee265a72985  00-initramfs-extra-base.files
-b1462989633c65a102e7ae7ced9c41a00673b4c7434cd3fe16c229c39bb870d7e850b0d317487191b7d7ca32c75b2eed1561b1facf405bd4d876d32c71badcf3  init.sh
+8f26a3e4b55293d207c3dd51ea149ba85a02864126717df1d68564632cb2f1282f673eae70d4cdc37df7e01232d7aff741031815816669c62c8dbabd73e55464  init.sh
 8ff684e8245217cc9461297bce55dd8b417f0478ef38cdbddf7662f9ecc4324ca09e75978261084e00f5a1f2e36cc3b25a609a9bdca4addc5a60d3c370cbdb90  init_functions.sh
 ba3275a9af788c7c782322a22a0f144d5e50e3498ea6886486a29331f23ae89cd32d500a3635cfa7cab369afba92edc18aeca64ccbf0cd589061cce23d15b46c  unudhcpd.conf
 675e7d5bee39b2df7d322117f8dcaccc274d61beaf4d50ead19bbf2109446d64b1c0aa0c5b4f9846eb6c1c403418f28f6364eff4537ba41120fbfcbc484b7da7  mdev.conf

main/postmarketos-initramfs/init.sh

@@ -1,6 +1,13 @@
 #!/bin/sh
 # shellcheck disable=SC1091
 
+echo "Launching pinch!"
+exec /usr/lib/pinch/pinch
+
+while true; do
+	sh -i
+done
+
 IN_CI="false"
 
 [ -e /hooks/10-verbose-initfs.sh ] && set -x