nixpkgs/pkgs/servers/web-apps/pixelfed/update.sh

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#!/usr/bin/env nix-shell
#! nix-shell -I nixpkgs=../../../.. -i bash -p nix curl jq nix-update
# check if composer2nix is installed
if ! command -v composer2nix &> /dev/null; then
echo "Please install composer2nix (https://github.com/svanderburg/composer2nix) to run this script."
exit 1
fi
CURRENT_VERSION=$(nix eval -f ../../../.. --raw pixelfed.version)
TARGET_VERSION_REMOTE=$(curl ${GITHUB_TOKEN:+" -u \":$GITHUB_TOKEN\""} https://api.github.com/repos/pixelfed/pixelfed/releases/latest | jq -r ".tag_name")
TARGET_VERSION=${TARGET_VERSION_REMOTE:1}
PIXELFED=https://github.com/pixelfed/pixelfed/raw/$TARGET_VERSION_REMOTE
SHA256=$(nix-prefetch-url --unpack "https://github.com/pixelfed/pixelfed/archive/v$TARGET_VERSION/pixelfed.tar.gz")
SRI_HASH=$(nix hash to-sri --type sha256 "$SHA256")
if [[ "$CURRENT_VERSION" == "$TARGET_VERSION" ]]; then
echo "pixelfed is up-to-date: ${CURRENT_VERSION}"
exit 0
fi
curl -LO "$PIXELFED/composer.json"
curl -LO "$PIXELFED/composer.lock"
composer2nix --name "pixelfed" \
--composition=composition.nix \
--no-dev
rm composer.json composer.lock
# change version number
sed -e "s/version =.*;/version = \"$TARGET_VERSION\";/g" \
-e "s/hash =.*;/hash = \"$SRI_HASH\";/g" \
-i ./default.nix
cd ../../../..
nix-build -A pixelfed