tvl-depot/users/aspen/system/home/modules/lib/cloneRepo.nix

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{ lib, config, ... }:
with lib;
{
options = {
aspen.impure.clonedRepos = mkOption {
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description = "Repositories to clone";
default = { };
type = with types; attrsOf (
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let
sm = submodule {
options = {
url = mkOption {
type = nullOr str;
description = "URL of repository to clone";
default = null;
};
github = mkOption {
type = nullOr str;
description = "Github owner/repo of repository to clone";
default = null;
};
path = mkOption {
type = str;
description = "Path to clone to";
};
onClone = mkOption {
type = str;
description = ''
Shell command to run after cloning the repo for the first time.
Runs inside the repo itself.
'';
default = "";
};
after = mkOption {
type = listOf str;
description = "Activation hooks that this repository must be cloned after";
default = [ ];
};
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};
};
in
addCheck sm (cr: (! isNull cr.url || ! isNull cr.github))
);
};
};
config = {
home.activation =
mapAttrs
(_: { url
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, path
, github
, onClone
, after
, ...
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}:
let repoURL = if isNull url then "git@github.com:${github}" else url;
in hm.dag.entryAfter ([ "writeBoundary" ] ++ after) ''
$DRY_RUN_CMD mkdir -p $(dirname "${path}")
if [[ ! -d ${path} ]]; then
if $DRY_RUN_CMD git clone "${repoURL}" "${path}"; then
pushd ${path}
$DRY_RUN_CMD ${onClone}
popd
else
echo "Git repository ${path} failed to clone"
fi
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fi
'')
config.aspen.impure.clonedRepos;
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};
}