core/pkgs/build-support/fetchrepoproject/default.nix
2024-06-30 09:16:52 +01:00

111 lines
2.4 KiB
Nix

{
lib,
stdenvNoCC,
gitRepo,
cacert,
copyPathsToStore,
}:
{
name,
manifest,
rev ? "HEAD",
sha256,
# Optional parameters:
repoRepoURL ? "",
repoRepoRev ? "",
referenceDir ? "",
manifestName ? "",
localManifests ? [ ],
createMirror ? false,
useArchive ? false,
}:
assert repoRepoRev != "" -> repoRepoURL != "";
assert createMirror -> !useArchive;
let
inherit (lib)
concatMapStringsSep
concatStringsSep
fetchers
optionalString
;
extraRepoInitFlags = [
(optionalString (repoRepoURL != "") "--repo-url=${repoRepoURL}")
(optionalString (repoRepoRev != "") "--repo-branch=${repoRepoRev}")
(optionalString (referenceDir != "") "--reference=${referenceDir}")
(optionalString (manifestName != "") "--manifest-name=${manifestName}")
];
repoInitFlags = [
"--manifest-url=${manifest}"
"--manifest-branch=${rev}"
"--depth=1"
(optionalString createMirror "--mirror")
(optionalString useArchive "--archive")
] ++ extraRepoInitFlags;
local_manifests = copyPathsToStore localManifests;
in
stdenvNoCC.mkDerivation {
inherit name;
inherit
cacert
manifest
rev
repoRepoURL
repoRepoRev
referenceDir
; # TODO
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = sha256;
preferLocalBuild = true;
enableParallelBuilding = true;
impureEnvVars = fetchers.proxyImpureEnvVars ++ [
"GIT_PROXY_COMMAND"
"SOCKS_SERVER"
];
nativeBuildInputs = [
gitRepo
cacert
];
GIT_SSL_CAINFO = "${cacert}/etc/ssl/certs/ca-bundle.crt";
buildCommand = ''
# Path must be absolute (e.g. for GnuPG: ~/.repoconfig/gnupg/pubring.kbx)
export HOME="$(pwd)"
mkdir $out
cd $out
mkdir .repo
${optionalString (local_manifests != [ ]) ''
mkdir .repo/local_manifests
for local_manifest in ${concatMapStringsSep " " toString local_manifests}; do
cp $local_manifest .repo/local_manifests/$(stripHash $local_manifest)
done
''}
repo init ${concatStringsSep " " repoInitFlags}
repo sync --jobs=$NIX_BUILD_CORES --current-branch
# TODO: The git-index files (and probably the files in .repo as well) have
# different contents each time and will therefore change the final hash
# (i.e. creating a mirror probably won't work).
${optionalString (!createMirror) ''
rm -rf .repo
find -type d -name '.git' -prune -exec rm -rf {} +
''}
'';
}