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#!/usr/bin/env nix-shell
#! nix-shell -i bash -p bash coreutils curl jq nix
# vim: ft=sh sw=2 et
#
# This scripts scans the github terraform-providers repo for new releases,
# generates the corresponding nix code and finally generates an index of
# all the providers.
set -euo pipefail
GET() {
local url=$1
echo "fetching $url" >&2
curl -#fL -u "$GITHUB_AUTH" "$url"
}
get_org_repos() {
local org=$1
local page=1
GET "https://api.github.com/orgs/$org/repos?per_page=100" | jq -r '.[].name'
}
get_repo_tags() {
local owner=$1
local repo=$2
GET "https://api.github.com/repos/$owner/$repo/git/refs/tags?per_page=100" | \
jq -r '.[].ref' | \
cut -d '/' -f 3- | \
sort --version-sort
}
prefetch_github() {
local owner=$1
local repo=$2
local rev=$3
nix-prefetch-url --unpack "https://github.com/$owner/$repo/archive/$rev.tar.gz"
}
echo_entry() {
local owner=$1
local repo=$2
local version=${3:1}
local sha256=$4
cat <<EOF
{
owner = "$owner";
repo = "$repo";
version = "$version";
sha256 = "$sha256";
};
EOF
}
indent() { sed 's/^/ /'; }
## Main ##
cd "$(dirname "$0")"
if [[ -z "${GITHUB_AUTH:-}" ]]; then
cat <<'HELP'
Missing the GITHUB_AUTH env. This is required to work around the 60 request
per hour rate-limit.
Go to https://github.com/settings/tokens and create a new token with the
"public_repo" scope.
Then `export GITHUB_AUTH=<your user>:<your token>` and run this script again.
HELP
exit 1
fi
org=terraform-providers
repos=$(get_org_repos "$org" | grep terraform-provider- | grep -v terraform-provider-scaffolding | grep -v terraform-provider-telefonicaopencloud | sort)
# Get all the providers with index
cat <<HEADER > data.nix
# Generated with ./update-all
{
HEADER
for repo in $repos; do
echo "*** $repo ***"
name=$(echo "$repo" | cut -d - -f 3-)
last_tag=$(get_repo_tags "$org" "$repo" | tail -1)
last_tag_sha256=$(prefetch_github "$org" "$repo" "$last_tag")
{
echo " $name ="
echo_entry "$org" "$repo" "$last_tag" "$last_tag_sha256" | indent
} >> data.nix
done
cat <<FOOTER >> data.nix
}
FOOTER
echo Done.
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