mirror of
https://github.com/SebastianWendel/nixpkgs.git
synced 2024-09-20 12:29:02 +02:00
48 lines
1.3 KiB
Bash
Executable file
48 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
set -euo pipefail
|
|
cd "$(dirname "$(readlink -f "$0")")" || exit
|
|
|
|
repo="https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git"
|
|
|
|
# step 1: figure out the latest version from the tags
|
|
if [ -z "${1:-}" ]; then
|
|
revision="$(git ls-remote --refs --tags --sort refname "$repo" | tail -n1 | cut -f2 | cut -d '/' -f3)"
|
|
version=$revision
|
|
else
|
|
revision=$1
|
|
if [ -z "${2:-}" ]; then
|
|
version="unstable-$(date "+%Y-%m-%d")"
|
|
else
|
|
version=$2
|
|
fi
|
|
fi
|
|
|
|
# step 2: prefetch the source tarball
|
|
snapshotUrl="$repo/snapshot/linux-firmware-$revision.tar.gz"
|
|
hash="$(nix-prefetch-url --unpack "$snapshotUrl")"
|
|
sriHash="$(nix --experimental-features nix-command hash to-sri "sha256:$hash")"
|
|
|
|
# step 3: rebuild as a non-FO derivation to get the right hash
|
|
cat > source.nix << EOF
|
|
{
|
|
version = "$version";
|
|
revision = "$revision";
|
|
sourceHash = "$sriHash";
|
|
outputHash = null;
|
|
}
|
|
EOF
|
|
|
|
outPath="$(nix --experimental-features "nix-command flakes" build ".#linux-firmware" --no-link --print-out-paths)"
|
|
outHash="$(nix --experimental-features nix-command hash path "$outPath")"
|
|
|
|
# step 4: generate the final file
|
|
cat > source.nix << EOF
|
|
# This file is autogenerated! Run ./update.sh to regenerate.
|
|
{
|
|
version = "$version";
|
|
revision = "$revision";
|
|
sourceHash = "$sriHash";
|
|
outputHash = "$outHash";
|
|
}
|
|
EOF
|