Initial commit

This commit is contained in:
Christian Schendel 2025-09-01 05:19:38 +02:00
commit 17c3896ee3
Signed by: doppelhelix
GPG key ID: 5874D2437CD5BBB3
8 changed files with 167 additions and 0 deletions

16
.SRCINFO Normal file
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pkgbase = downgrade
pkgdesc = Bash script for downgrading one or more packages to a version in your cache or the A.L.A.
pkgver = 11.5.1
pkgrel = 2
url = https://github.com/archlinux-downgrade/downgrade
arch = any
license = GPL-2.0-or-later
optdepends = sudo: for installation via sudo
backup = etc/xdg/downgrade/downgrade.conf
source = https://github.com/archlinux-downgrade/downgrade/releases/download/v11.5.1/downgrade-11.5.1.tar.gz
b2sums = f67d61e37ef0543a9abe00062f12ef38a17fc20e199a10b91dd0e8ba604b16c63a0637fb020c513e654f39ff62756a170d45178f9d53074cd69d8b79403bc5ab
pkgname = downgrade
depends = bash
depends = fzf
depends = pacman-contrib

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.gitignore vendored Normal file
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# Ignore everything
*
# But not these files...
!.gitignore
!PKGBUILD
!.SRCINFO
!LICENSE
!chroot-build
!.nvchecker.toml
!/keys
!/keys/pgp
!/keys/pgp/*.asc
!/LICENSES
!/LICENSES/*.txt
!REUSE.toml

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.nvchecker.toml Normal file
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[downgrade]
source = "git"
git = "https://github.com/archlinux-downgrade/downgrade.git"
prefix = "v"

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LICENSE Normal file
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Copyright Arch Linux Contributors
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE
FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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LICENSES/0BSD.txt Symbolic link
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../LICENSE

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PKGBUILD Normal file
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# Maintainer: Christian Schendel <doppelhelix@gmail.com>
# Author: Patrick Brisbin <pbrisbin@gmail.com>
pkgname=downgrade
pkgver=11.5.1
pkgrel=2
pkgdesc="Bash script for downgrading one or more packages to a version in your cache or the A.L.A."
arch=('any')
url="https://github.com/archlinux-downgrade/$pkgname"
license=(
GPL-2.0-or-later
)
backup=(etc/xdg/downgrade/downgrade.conf)
source=("https://github.com/archlinux-downgrade/$pkgname/releases/download/v${pkgver//_/-}/downgrade-${pkgver//_/-}.tar.gz")
b2sums=('f67d61e37ef0543a9abe00062f12ef38a17fc20e199a10b91dd0e8ba604b16c63a0637fb020c513e654f39ff62756a170d45178f9d53074cd69d8b79403bc5ab')
optdepends=(
'sudo: for installation via sudo'
)
package() {
depends+=(
bash
fzf
pacman-contrib
) # pacsort
cd "$pkgname-${pkgver//_/-}" || exit 1
make DESTDIR="$pkgdir" PREFIX=/usr install
}
# vim: set ft=sh ts=4 sw=4 et:

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REUSE.toml Normal file
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version = 1
[[annotations]]
path = [
"PKGBUILD",
"README.md",
"keys/**",
".SRCINFO",
".nvchecker.toml",
".gitignore",
"*.install",
"*.sysusers",
"*.tmpfiles",
"*.logrotate",
"*.pam",
"*.service",
"*.socket",
"*.timer",
"*.desktop",
"*.hook",
]
SPDX-FileCopyrightText = "Arch Linux contributors"
SPDX-License-Identifier = "0BSD"

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chroot-build Executable file
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#!/bin/bash
# SPDX-FileCopyrightText: Christian Schendel
# SPDX-License-Identifier: 0BSD
set -euo pipefail
use_tmpfs=true
CHROOT="/tmp/mkarchroot"
check_available_ram() {
if [ "$(awk '/^MemAvailable:/ { print $2; }' /proc/meminfo)" -lt 50000 ]; then
use_tmpfs=false
fi
}
create_chroot_directory() {
if [ $use_tmpfs ]; then
sudo mount --mkdir -t tmpfs -o defaults,size=20G tmpfs $CHROOT
else
sudo mkdir -p "$CHROOT"
fi
}
create_chroot_environment() {
if [[ ! -d "$CHROOT/root" ]]; then
mkarchroot -M ~/.config/pacman/makepkg.conf "$CHROOT/root" base-devel
fi
}
build_package(){
arch-nspawn "$CHROOT/root" pacman -Syu
if makechrootpkg -c -r "$CHROOT" -- -Asf . ; then
makepkg --printsrcinfo >.SRCINFO
else
delete_chroot_environment && echo -e "\n\e[1;31m==> BUILD FAILED: \e[1;37m$CHROOT removed\e[0m " && exit 1
fi
}
sign_package(){
PACKAGE="$(makepkg --packagelist)"
gpg --use-agent --output "$PACKAGE.sig" --detach-sign "$PACKAGE"
}
delete_chroot_environment() {
if [ "$(stat -f --format=%T "$CHROOT")" == "btrfs" ]; then
{
sudo btrfs subvolume delete "$CHROOT/root/var/lib/portables"
sudo btrfs subvolume delete "$CHROOT/root/var/lib/machines"
sudo btrfs subvolume delete "$CHROOT/root"
sudo rm -Rf $CHROOT
} >>/dev/null 2>&1
elif [ "$(stat -f --format=%T "$CHROOT")" == "tmpfs" ]; then
sudo umount -f $CHROOT
fi
sudo rm -Rf $CHROOT
}
check_available_ram
create_chroot_directory
create_chroot_environment
build_package
sign_package
delete_chroot_environment
# vim: set ts=4 sw=4 et: