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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p bash curl nix jq common-updater-scripts
set -euo pipefail
nixpkgs="$(git rev-parse --show-toplevel || (printf 'Could not find root of nixpkgs repo\nAre we running from within the nixpkgs git repo?\n' >&2; exit 1))"
stripwhitespace() {
sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'
}
nixeval() {
nix --extra-experimental-features nix-command eval --json --impure -f "$nixpkgs" "$1" | jq -r .
}
nixbuildscript() {
nix --extra-experimental-features nix-command build --impure -f "$nixpkgs" "$1" --no-link --print-out-paths
}
findpath() {
path="$(nix --extra-experimental-features nix-command eval --json --impure -f "$nixpkgs" "$1.meta.position" | jq -r . | cut -d: -f1)"
outpath="$(nix --extra-experimental-features nix-command eval --json --impure --expr "builtins.fetchGit \"$nixpkgs\"")"
if [ -n "$outpath" ]; then
path="${path/$(echo "$outpath" | jq -r .)/$nixpkgs}"
fi
echo "$path"
}
attr="${UPDATE_NIX_ATTR_PATH:-openutau}"
version="$(curl -sSL "https://api.github.com/repos/stakira/OpenUtau/releases/latest" | jq -r .tag_name | sed -e 's|^build/||')"
pkgpath="$(findpath "$attr")"
updated="$(cd "$nixpkgs" && update-source-version "$attr" "$version" --file="$pkgpath" --print-changes | jq -r length)"
if [ "$updated" -eq 0 ]; then
echo 'update.sh: Package version not updated, nothing to do.'
exit 0
fi
(cd "$(dirname "$pkgpath")" && "$(nixbuildscript "$attr.fetch-deps")" "$(dirname "$pkgpath")/deps.nix")
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