mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-27 16:15:05 +00:00
45 lines
1.1 KiB
Nix
45 lines
1.1 KiB
Nix
{ stdenv
|
|
, writeShellScript
|
|
, coreutils
|
|
, git
|
|
, nix
|
|
, common-updater-scripts
|
|
}:
|
|
|
|
# This is an updater for unstable packages that should always use the latest
|
|
# commit.
|
|
{ url ? null # The git url, if empty it will be set to src.url
|
|
}:
|
|
|
|
let
|
|
updateScript = writeShellScript "unstable-update-script.sh" ''
|
|
set -ex
|
|
|
|
url="$1"
|
|
|
|
# By default we set url to src.url
|
|
if [[ -z "$url" ]]; then
|
|
url="$(${nix}/bin/nix-instantiate $systemArg --eval -E \
|
|
"with import ./. {}; $UPDATE_NIX_ATTR_PATH.src.url" \
|
|
| tr -d '"')"
|
|
fi
|
|
|
|
# Get info about HEAD from a shallow git clone
|
|
tmpdir="$(${coreutils}/bin/mktemp -d)"
|
|
${git}/bin/git clone --bare --depth=1 "$url" "$tmpdir"
|
|
pushd "$tmpdir"
|
|
commit_date="$(${git}/bin/git show -s --pretty='format:%cs')"
|
|
commit_sha="$(${git}/bin/git show -s --pretty='format:%H')"
|
|
popd
|
|
${coreutils}/bin/rm -rf "$tmpdir"
|
|
|
|
# update the nix expression
|
|
${common-updater-scripts}/bin/update-source-version \
|
|
"$UPDATE_NIX_ATTR_PATH" \
|
|
"unstable-$commit_date" \
|
|
--rev="$commit_sha"
|
|
'';
|
|
|
|
in [ updateScript url ]
|
|
|