feat: Initial commit

LICENSE

@@ -0,0 +1,22 @@
+Copyright (c) 2022 ptrcnull
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

apatch

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+[ -f APKBUILD ] || ( echo "please run this in a package directory"; exit 1 )
+[ ! -f "$1" ] || ( echo "patch $1 already exists"; exit 1 )
+[ "$1" != "" ] || ( echo "usage: apatch <patch name>"; exit 1 )
+
+abuild clean fetch unpack prepare
+
+# obtain builddir
+. APKBUILD
+[ -z "$builddir" ] && builddir="/$pkgname-$pkgver"
+
+cp -r src src-old
+(
+  cd "src$builddir"
+  $SHELL
+)
+busybox diff -U3 -r "src-old$builddir" "src$builddir" | sed "s|src-old$builddir|a|g;s|src$builddir|b|g" > $1
+rm -rf src-old