github2git-mirror/github-git-mirror.sh

61 lines
1.9 KiB
Bash

#!/bin/bash
set -euo pipefail
# Mirror starred Github repos to a Gitea Organization
CURL="curl -f -S -s"
if [[ -z "${LOCAL_GIT_ACCESS_TOKEN}" || -z "${LOCAL_GIT_URL}" ]];then
echo -e "Please set gitea LOCAL_GIT_ACCESS token and url in environment:\nexport LOCAL_GIT_ACCESS_TOKEN=abc\nexport LOCAL_GIT_URL=http://gitea:3000\n\nexport MODE=repos\n" >&2
echo -e "Don't use trailing slash in URL!"
exit 1
fi
github_user="${1:-}"
gitea_organization="${2:-}"
# starred or repos2
mode="${3:-}"
if [[ -z "${github_user}" || -z "${gitea_organization}" ]]; then
echo "Usage: $0 github_user gitea_organization" >&2
exit 1
fi
header_options=(-H "Authorization: Bearer ${LOCAL_GIT_ACCESS_TOKEN}" -H "accept: application/json" -H "Content-Type: application/json")
jsonoutput=$(mktemp -d -t github-repos-XXXXXXXX)
trap "rm -rvf ${jsonoutput}" EXIT
uid=$($CURL "${header_options[@]}" $LOCAL_GIT_URL/api/v1/orgs/${gitea_organization} |jq .id)
fetch_starred_repos(){
i=1
# Github API just returns empty arrays instead of 404
while $CURL "https://api.github.com/users/${github_user}/${mode}?page=${i}&per_page=100" >${jsonoutput}/${i}.json \
&& (( $(jq <${jsonoutput}/${i}.json '.|length') > 0 )) ; do
(( i++ ))
done
}
create_migration_repo() {
if ! $CURL -w "%{http_code}\n" "${header_options[@]}" -d @- -X POST $LOCAL_GIT_URL/api/v1/repos/migrate > ${jsonoutput}/result.txt 2>${jsonoutput}/stderr.txt;then
local code=$(<${jsonoutput}/result.txt)
if (( code != 409 ));then # 409 == repo already exits
cat ${jsonoutput}/stderr.txt >&2
fi
fi
}
repos_to_migration() {
for f in ${jsonoutput}/*.json; do
n=$(jq '.|length'<$f)
(( n-- )) # last element
for i in $(seq 0 $n); do
jq ".[$i]|.uid=${uid}|.mirror=true|.clone_addr=.clone_url|.description=.description[0:255]|.repo_name=.name|{uid,repo_name,clone_addr,description,mirror}" <$f \
| create_migration_repo
done
done
}
fetch_starred_repos
repos_to_migration