unstableUpdater: init

This commit is contained in:
Francesco Gazzetta 2020-10-19 19:57:12 +02:00
parent 4d8e0f9b77
commit 3f20319cd1
2 changed files with 46 additions and 0 deletions

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@ -0,0 +1,44 @@
{ 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 ]

View file

@ -94,6 +94,8 @@ in
genericUpdater = callPackage ../common-updater/generic-updater.nix { };
unstableGitUpdater = callPackage ../common-updater/unstable-updater.nix { };
nix-update-script = callPackage ../common-updater/nix-update.nix { };
### Push NixOS tests inside the fixed point