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#!/bin/sh
aur_arch="Linux_x86_64"
# Initial setup/Sanity check {{{
# Confirms necessary env variables are present before running the rest
# of the script.
# $1: Env Variable to check
# $@: Message to send to stderr before quitting
assert_env() {
[ -n "$1" ] || { echo "ERROR: $@" 1>&2; exit 1; }
}
assert_env "$AUR_PRIVATE_KEY" "Couldn't retrieve a private key to publish to the AUR..."
assert_env "$AUR_PUBLIC_KEY" "Couldn't retrieve a public key to publish to the AUR..."
assert_env "$PKG_REPO_URI" "Cound't retrieve a URI to pull the package from"
assert_env "$PKG_NAME" "Couldn't retrieve the package name"
assert_env "$GIT_USER" "Couldn't retrieve the git username to pull the release from"
latest_tag="$(git ls-remote --tags "$PKG_REPO_URI" | awk '
# Process lines without ^{} and matching vX.X.X format
!/\^\{\}$/ && $2 ~ /refs\/tags\/v[0-9]+\.[0-9]+\.[0-9]+$/ {
tag = $2 # Store the tag reference
}
# Print the latest tag without the prefix
END {
gsub("refs/tags/v", "", tag)
print tag
}')"
# }}}
# Retrieving the checksums for the latest tag {{{
checksum_url="https://github.com/${GIT_USER}/${PKG_NAME}/releases/download/v${latest_tag}/${PKG_NAME}_${latest_tag}_checksums.txt"
checksums="$( wget -q "$checksum_url" -O - )"
checksum="$(echo "$checksums" | awk -v arch="$aur_arch" -v pkg="$PKG_NAME" '{
for (i = 1; i <= NF; i++) {
if ($i == pkg "_" arch ".tar.gz") {
print $(i-1)
}
}
}')"
# }}}
# Cloning and updating the PKGBUILD {{{
git clone "ssh://aur@aur.archlinux.org/${PKG_NAME}"
cd ${PKG_NAME} || { echo "ERROR: could not clone PKGBUILD repo from the aur" 1>&2; exit 1; }
awk -v new_hash="\'$checksum\'" -v new_version="$latest_tag" '
/sha256sums/ {
# Surround the checksum with single quotes
$0 = "sha256sums=("'new_hash'")"
}
/^pkgver/ {
# Only change the pkgver at the beginning of the line
$0 = "pkgver=" new_version
}
/pkgrel/ {
# Increment the value of pkgrel by 1
sub(/^pkgrel=[0-9]+/, "pkgrel=" int($NF) + 1)
}
{ print }' PKGBUILD > PKGBUILD.new && mv PKGBUILD.new PKGBUILD
# }}}
# Commit and push the changes {{{
echo "$AUR_PRIVATE_KEY" > ~/.ssh/id_ed25519
echo "$AUR_PUBLIC_KEY" > ~/.ssh/id_ed25519.pub
git commit -am "Updated package to v${latest_tag}"
# Uncomment only once script is verified and complete:
git push
# }}}
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