pkgname=bcachefs
pkgver=20241025
pkgrel=1
arch=('x86_64')
depends=('dkms')
license=('GPL2')
options=('!strip')
provides=("BCACHEFS-MODULE=$pkgver")
source=('dkms.conf' 'Makefile' 'compat.h' 'fix-kernel-6.11.patch')
sha256sums=('a5e55374ea5966e8304b6436dc1512588a898974b3b0f9acb189342323f826cf'
            'd7fa983a3a03a68974ffbc5c96a0c9c7978e2b4001c2305896ba8085c772aa43'
            '1f3cdd4f85b0a47c80e930c238840de9f6505c1f8c3e3d1ae6333bebb6ebaa73'
            'eaed621c99e1af0bba60f4530c4e2d9e29505648b8ff4d23a5d02e9fea90c220')

pkgver() {
  cd bcachefs
  git --no-pager log -1 --pretty='format:%cd' --date='format:%Y%m%d'
}

prepare() {
    sed -i -e "s/@PACKAGE_VERSION@/$pkgver/g" "$srcdir/dkms.conf"

    rm -rf bcachefs
    git clone -n --depth=1 --filter=tree:0 https://github.com/koverstreet/bcachefs.git -b bcachefs-for-upstream
    cd bcachefs
    git sparse-checkout set --no-cone fs/bcachefs
    git checkout
    git apply "$srcdir"/*.patch
    for i in fs/bcachefs/{fs.c,rcu_pending.c,six.c,journal.c}; do
        sed -i '/#include[^\n]*/,$!b;//{x;//p;g};//!H;$!d;x;s//&\n#include "compat.h"/' $i
    done
    cp ../compat.h "$srcdir"/bcachefs/fs/bcachefs/
}

package() {
    install -Dm644 "$srcdir/Makefile" "$pkgdir/usr/src/$pkgname-$pkgver/Makefile"
    install -Dm644 "$srcdir/dkms.conf" "$pkgdir/usr/src/$pkgname-$pkgver/dkms.conf"
    install -d -Dm755 "$pkgdir/usr/src/$pkgname-$pkgver/src/fs/bcachefs"
    install -m644 -t "$pkgdir/usr/src/$pkgname-$pkgver/src/fs/bcachefs" "$srcdir/$pkgname/fs/bcachefs"/*
    sed -i 's/$(CONFIG_BCACHEFS_FS)/m/g' "$pkgdir/usr/src/$pkgname-$pkgver/src/fs/bcachefs/Makefile"
    sed -i "s%^#define TRACE_INCLUDE_PATH \\.\\./\\.\\./fs/bcachefs\$%#define TRACE_INCLUDE_PATH /usr/src/$pkgname-$pkgver/src/fs/bcachefs%" "$pkgdir/usr/src/$pkgname-$pkgver/src/fs/bcachefs/trace.h"
}