From 9efefcc4d79e5b98b2e8beab1309406a66a215e2 Mon Sep 17 00:00:00 2001
From: sev <git@sev.monster>
Date: Tue, 2 Jan 2024 18:50:10 -0600
Subject: [PATCH] initial commit

---
 abchr           | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
 abchr-buildall  |  2 ++
 abchr-newchroot | 26 ++++++++++++++++++++
 apkgvers        |  3 +++
 4 files changed, 95 insertions(+)
 create mode 100755 abchr
 create mode 100755 abchr-buildall
 create mode 100755 abchr-newchroot
 create mode 100755 apkgvers

diff --git a/abchr b/abchr
new file mode 100755
index 0000000..ab7a8df
--- /dev/null
+++ b/abchr
@@ -0,0 +1,64 @@
+#!/bin/sh
+[ "$(id | awk '{print $1}')" != 'uid=0(root)' ] && exec sudo "$0" "$@"
+
+dir="$(realpath "$(dirname "$0")/../alpine")"
+aports="$(realpath "$dir/../aports")"
+if [ $# -gt 0 ]; then
+	cmd="$@"
+else
+	cmd='/bin/ash -i'
+fi
+
+um=0
+uma() {
+	: $((++um))
+	eval "um$um='$1'"
+}
+m() {
+	src="$1"; shift
+	dst="$1"; shift
+	mkdir -p "$dst"
+	mount $@ "$src" "$dst"
+	uma "$dst"
+}
+mb() {
+	src="$1"; shift
+	if [ $# -gt 0 -a "x$(echo "$1" | cut -c 1)" = x/ ]; then
+		dst="$dir$1"; shift
+	else
+		dst="$dir$src"
+	fi
+	src="$(realpath $src)"
+	[ ! -e "$src" ] && return
+	m "$src" "$dst" --bind --slave $@
+}
+
+mb /dev -oro
+mb /dev/pts
+mb /dev/shm
+mb /dev/mqueue
+m none "$dir/proc" -t proc
+mb /sys
+ln -f /etc/resolv.conf "$dir/etc/resolv.conf"
+mb "$aports" /home/abuild/aports
+mb /srv/alpine/edge /home/abuild/packages
+mb /var/cache/distfiles
+mb /etc/apk/cache
+
+f="$(chroot "$dir" mktemp -p/tmp/)"
+
+chrdir="$PWD/"
+chrdir="${chrdir%/aports/*}"
+if [ "$chrdir" != "$PWD/" ]; then
+	cmd="cd \"/home/abuild${PWD#$chrdir}\" && $cmd"
+fi
+
+echo "$cmd" | tee "$dir/$f"
+chmod ugo+r "$dir/$f"
+chroot "$dir" /bin/su abuild -l "$f"
+
+rm -f "$dir/$f"
+
+for x in $(seq $um -1 1); do
+	eval "umount \$um$x"
+done
diff --git a/abchr-buildall b/abchr-buildall
new file mode 100755
index 0000000..9030e4c
--- /dev/null
+++ b/abchr-buildall
@@ -0,0 +1,2 @@
+#!/bin/sh
+abchr buildrepo -ps testing
diff --git a/abchr-newchroot b/abchr-newchroot
new file mode 100755
index 0000000..2879594
--- /dev/null
+++ b/abchr-newchroot
@@ -0,0 +1,26 @@
+#!/bin/sh
+set -e
+[ "$(id | awk '{print $1}')" != 'uid=0(root)' ] &&
+  exec sudo "$0" "$(id -u $(whoami))" "$@"
+[ "z$1" = z ] && return 1
+mirror=https://dl-cdn.alpinelinux.org/alpine/edge
+arch="${ABCHR_ARCH:-x86_64}"
+apk="apk-tools-static-$(apk info apk-tools-static |
+  awk '{if (NR==1) {print substr($1,18)}}').apk"
+dir="$(dirname "$0")/../alpine"
+tmp="$(dirname "$0")/../tmp"
+mkdir -p "$tmp"
+wget -P "$tmp" "$mirror/main/$arch/$apk"
+tar -xvzf "$tmp/$apk" -C "$tmp"
+"$tmp/sbin/apk.static" -UX "$mirror/main" -X "$mirror/community" \
+  --allow-untrusted -p "$dir" --initdb \
+  add busybox busybox-suid libc-utils sudo \
+      alpine-baselayout alpine-conf alpine-release apk-tools \
+      alpine-sdk alpine-repo-tools atools lua-aports
+rm -rf "$tmp"
+cp -Ln /etc/apk/keys/* "$dir/etc/apk/keys"
+cp -f /etc/apk/repositories "$dir/etc/apk/repositories"
+printf -- > "$dir/etc/sudoers.d/abuild" 'abuild ALL=(ALL) NOPASSWD: ALL'
+printf -- >> "$dir/etc/apk/repositories" \
+  '/home/abuild/packages/%s\n' main community testing
+chroot "$dir" /bin/sh -c "adduser -DGabuild -u$1 abuild"
diff --git a/apkgvers b/apkgvers
new file mode 100755
index 0000000..135f0a6
--- /dev/null
+++ b/apkgvers
@@ -0,0 +1,3 @@
+#!/bin/sh
+if ! which column >/dev/null 2>&1; then echo need column command >&2; exit 1; fi
+grep pkgver= */APKBUILD | sort | sed -e 's_/APKBUILD:pkgver=_ _' | column -tNname,version -R1
-- 
2.47.0