mirror of
https://github.com/moparisthebest/arch-ppa
synced 2024-11-21 08:15:01 -05:00
Initial
This commit is contained in:
Ryan McGuire
commit
0bb0b0294e
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.gitignore
vendored
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3
.gitignore
vendored
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chroot
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*~
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pkg
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README.md
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README.md
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arch-ppa
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========
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arch-ppa is a tool that easily creates and maintains your own Arch
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package repositories. Kind of like the Personal Package Archives (PPA)
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that Ubuntu has, but way easier.
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The Arch User Repository (AUR) is convenient, has tons of software, is
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generally awesome, but is inherently insecure. Anyone can upload
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anything they want to the AUR. This is why I don't like to use AUR
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helpers like `yaourt` or `pacaur`. Using the AUR with a helper
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requires you to be diligent in reviewing the PKGBUILDs it downloads,
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in order to make sure it doesn't include things like viruses or
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trojans, or downloading from a weird URL.
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I wanted a way to maintain my own repository of PKGBUILDs, downloaded
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from the AUR, that I have manually verified. Building and installing
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packages built from those pre-verified PKGBUILDs resolves the
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insecurity of the AUR in my mind. This gives me the full power of the
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AUR, but allows me to automate my package installs in a way that I
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never felt comfortable with before. Seriously, why does pacaur have a
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`--noconfirm` option? That's scary.
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The packages this tool builds can be hosted as a regular arch
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repository, which you put into your `/etc/pacman.conf`. The added
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convenience here is that although the packages came from the AUR, your
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clients install it through regular-old pacman.
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Usage
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-----
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Clone this repo somewhere. Everything will be self contained in this
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directory wherever you put it.
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arch-ppa should not be run as root, but the user that does run it does
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need sudo privileges as the underlying devtools need it.
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Run setup:
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./arch-ppa setup
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The setup installs a few dependencies like `devtools` and `git`. It
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also creates a chroot directory which is a container that will be used
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to build packages in a completely clean environment using
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`systemd-nspawn`.
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Add packages from the AUR:
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./arch-ppa add cower curlbomb pasystray
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This downloads PKGBUILDs from the AUR for the listed packages: cower,
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curlbomb, pasystray, as well as all of their AUR dependencies, and
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placed into the `src` directory. You can put PKGBUILDs from other
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sources in the src directory too; they don't have to be from the
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AUR. Note that any PKGBUILD that lists a dependency of another
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package, that is not found in one of the arch repositories, needs to
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have it's own PKGBUILD in the `src` directory too. (The `add` command
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does this for you automatically, thanks to `cower -d -d`)
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Build everything:
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./arch-ppa clean ryan
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./arch-ppa build ryan
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The build process operates on a single repository, in this example
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called `ryan`. You can maintain several repositories, each containing
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different sets of packages. Just make sure to give each repository a
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unique name.
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The clean process removes the repository directory containing all the
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built packages. It also deletes the chroot for the repository from the
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`chroot` directory.
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The build process creates a new package repository called `ryan` (or
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whatever you called yours.) It finds PKGBUILD files in the `src`
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directory and figures out the dependency chain and builds all the
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packages in the correct order. Additionally, you can specify
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individual package names after the repository name if you only wish to
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build certain packages. If you do specify package names, make sure to
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include all dependencies, as they will not be included otherwise.
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The repository directory can be listed in your /etc/pacman.conf like this:
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[ryan]
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Server = file:///home/ryan/git/arch-ppa/ryan
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SigLevel = Required TrustedOnly
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This is the full path to the ryan repository just created. Run `pacman
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-Sy` and you should see pacman synchronize with the new repository
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name. Alternatively, upload the directory to a webserver and share it
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with all your friends.
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The SigLevel option specifies how pacman should trust our
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repository. `Required TruestedOnly` is a strict rule that the key must
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be in the local pacman keyring and be assigned a trust level. Pacman
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will usually download the key without a problem, but you will still
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need to locally sign the key to trust it.
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Mini gpg tutorial
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-----------------
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View your key information:
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gpg -K
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This should output something like this:
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/home/ryan/.gnupg/pubring.kbx
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-----------------------------
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sec rsa2048/4BAACCF8 2016-04-15 [SC]
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uid [ultimate] test guy <ryantest@enigmacurry.com>
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ssb rsa2048/C22BDAA5 2016-04-15 [E]
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My public key ID is 4BAACCF8. Always omit the part before the
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slash. If it didn't output any key information at all, this means you
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don't have a key yet. Create one and follow the prompts:
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gpg --gen-key
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Send your public key to the keyserver (replace with your ID):
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gpg --send-keys 4BAACCF8
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On each machine you will use your package repository, run the
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following to import the key and to locally sign (assign trust) the
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key (again, replace with your key ID):
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sudo pacman-key -r 4BAACCF8
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sudo pacman-key --lsign-key 4BAACCF8
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If you don't sign the key, pacman will complain that your packages are
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not trusted.
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211
arch-ppa
Executable file
211
arch-ppa
Executable file
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BASEDIR=$(cd $(dirname $0); pwd)
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CHROOT=$BASEDIR/chroot
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if [ `whoami` == 'root' ]; then
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echo "Must not be run as root."
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exit 1;
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fi
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exe() { echo "\$ $@" ; "$@" ; }
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create_chroot() {
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(
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set -e
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if [ ! -d $CHROOT ]; then
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echo "## Creating arch chroot ..."
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exe mkdir $CHROOT
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exe mkarchroot $CHROOT/root base-devel
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# install cower:
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TMP_BUILD=`mktemp -d`
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exe cd $TMP_BUILD
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curl https://aur.archlinux.org/cgit/aur.git/snapshot/cower.tar.gz | tar xz
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exe cd cower
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exe makechrootpkg -r $CHROOT -l root -- -i
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exe rm -rf $TMP_BUILD
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echo "## Root chroot build complete."
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fi
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)
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}
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install_system_deps() {
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(
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set -e
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pkg_dep() {
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if !(pacman -Q $1 > /dev/null 2>&1); then
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echo "Installing $1..."
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exe sudo pacman -S --noconfirm $1
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fi
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}
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pkg_dep devtools
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pkg_dep git
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)
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}
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package_build() {
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# Build a package in a container. $1=container $2=package
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# PKGBUILD must already exist in src/
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# If package has dependencies we also maintain in src/, recursively build those first.
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(
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set -e
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if [ "$#" -ne 2 ]; then
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echo "package_build takes two args: repo_name and package_name"
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return 1
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fi
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repo_name=$1
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package_name=$2
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setup
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pkgdir=$BASEDIR/src/$package_name
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if [ ! -d $pkgdir ]; then
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echo "Package $package_name not found in $pkgdir"
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echo "Try running: package_add $package_name"
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return 1
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fi
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if [ ! -f $pkgdir/PKGBUILD ]; then
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echo "Cannot find PKGBUILD in $pkgdir"
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return 1
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fi
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if (arch-nspawn $CHROOT/$repo_name pacman -Q $package_name > /dev/null 2>&1); then
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echo "Package $package_name already built"
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return
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fi
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# Find and build dependencies:
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find_deps $package_name | while read dep; do
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# Build the dep if we haven't already yet:
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if !(arch-nspawn $CHROOT/$repo_name pacman -Q $dep > /dev/null 2>&1); then
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package_build $repo_name $dep
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fi
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done
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# Build package:
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cd $pkgdir
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rm -f *.pkg.tar.xz
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mkdir -p $BASEDIR/$repo_name
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exe makechrootpkg -r $CHROOT -l $repo_name -- -i
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exe mv *.pkg.tar.xz $BASEDIR/$repo_name
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)
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}
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sign_packages() {
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if [ "$#" -lt 1 ]; then
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echo "sign_packages requires specifying the list of packages to sign"
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return 1
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fi
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(
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set -e
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cd $(dirname $1)
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for pkg in "$@"; do
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gpg --detach-sign --use-agent $pkg
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done
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)
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}
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find_deps() {
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# Inspect package srcinfo and pull out the dependencies that we maintain in src
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(
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set -e
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setup
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cat $BASEDIR/src/$1/.SRCINFO | sed -nr 's/^\W*depends = ([-a-zA-Z0-9]+).*$/\1/p' | while read dep; do
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if [ -d $BASEDIR/src/$dep ]; then
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echo $dep
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fi
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done
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)
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}
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add() {
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# Add packages and their AUR dependencies to src
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(
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set -e
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if [ "$#" -lt 1 ]; then
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echo "Must specify package(s) to add"
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return 1
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fi
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setup
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if [ ! -d $BASEDIR/src ]; then
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mkdir $BASEDIR/src
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fi
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for pkg in "$@"; do
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arch-nspawn $CHROOT/root --bind=$BASEDIR/src:/src cower -q -t /src -d -d $pkg
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done
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sudo chown $USER -R $BASEDIR/src
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echo "## All requested packages added"
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)
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}
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list() {
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if [ "$#" -ne 1 ]; then
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echo "Must specify repository name to list"
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return 1
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fi
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setup
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arch-nspawn $CHROOT/$1 pacman -Qm
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}
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setup() {
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mkdir -p $BASEDIR/src
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install_system_deps
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create_chroot
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}
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clean() {
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(
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set -e
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if [ "$#" -lt 1 ]; then
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echo "Must specify repository names to clean"
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return 1
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fi
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for repo in "$@"; do
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# Clean repository and chroot
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if [ -d $BASEDIR/chroot/$repo ]; then
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exe sudo rm -rf $BASEDIR/chroot/$repo $BASEDIR/chroot/$repo.lock
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fi
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if [ -d $BASEDIR/$repo ]; then
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exe rm -rf $BASEDIR/$repo
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fi
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done
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)
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}
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build() {
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(
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set -e
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if [ "$#" -lt 1 ]; then
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echo "Must specify repository name to build (and optional package list to include)"
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return 1
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fi
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setup
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repo_name=$1
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mkdir -p $BASEDIR/$repo_name
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shift
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if [ "$#" -gt 0 ]; then
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# Build only requested packages
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for pkg in "$@"; do
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package_build $repo_name $pkg
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done
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echo "## All requested packages built"
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else
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# Build all packages:
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cd $BASEDIR/src
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find -type d | sed 's/\.\///' | tail -n +2 | while read pkg; do
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package_build $repo_name $pkg
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done
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echo "## All packages built"
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fi
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echo "## Updating repository database"
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cd $BASEDIR/$repo_name
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if [ `ls *.pkg.tar.xz 2> /dev/null | wc -l` -lt 1 ]; then
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echo "No packages found in $BASEDIR/$repo_name"
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return 1;
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fi
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sign_packages *.pkg.tar.xz
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repo-add $repo_name.db.tar.gz *.pkg.tar.xz
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sign_packages $repo_name.db
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)
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}
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if [ "$#" -gt 0 ]; then
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$*
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else
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echo "Must specify a command, eg: add, build, list, clean"
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exit 1
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fi
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