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#!/bin/bash
# stages:
# - backup
#
# backup_cgit:
# stage: backup
# image: alpine:latest
# before_script:
# - apk add --no-cache bash curl git
# - git config --global user.name "GitLab CI"
# - git config --global user.email "ci@gitlab.com"
# - git remote set-url origin "https://oauth2:${TOKEN}@gitlab.com/user/repo.git"
# script:
# - /bin/bash cgit-backup.sh
# - git checkout main || git checkout -b main
# - git add repos/
# - git commit -m "Backup cgit repositories $(date -u +'%Y-%m-%d %H:%M:%S UTC')" || true
# - git push origin main -o ci.skip
# only:
# - schedules
# variables:
# GIT_STRATEGY: clone
#!/bin/bash
cgit="https://cgit.heqnx.com"
mkdir -p repos
repos=$(curl -sSL "${cgit}" || { printf "%s\n" "[err] failed to fetch repository list"; exit 1; })
repos=$(printf "%s\n" "$repos" | grep -o "<a href='/[^']*/'>" | sed -E "s/^<a href='([^']*)'>/\1/" | sort -u)
while IFS= read -r repo_path; do
repo_name=$(basename "${repo_path}")
repo_url="${cgit}${repo_path}"
repo_dir="repos/${repo_name}"
printf "%s\n" "[inf] processing ${repo_url}"
if test -d "${repo_dir}"; then
if test -d "${repo_dir}/.git.bak"; then
printf "%s\n" "[inf] restoring .git from .git.bak for ${repo_name}"
mv "${repo_dir}/.git.bak" "${repo_dir}/.git"
fi
printf "%s\n" "[inf] fetching updates for ${repo_name}"
default_branch=$(git -C "${repo_dir}" remote show origin | grep "HEAD branch" | awk '{print $NF}' || true)
if [ -z "$default_branch" ] || [ "$default_branch" = "(unknown)" ]; then
printf "%s\n" "[wrn] could not determine default branch for ${repo_name}, trying 'main' or 'master'"
default_branch=$(git -C "${repo_dir}" ls-remote --heads origin | grep -E 'refs/heads/(main|master)$' | head -1 | awk -F'/' '{print $NF}' || true)
default_branch=${default_branch:-main}
fi
printf "%s\n" "[inf] using default branch: ${default_branch}"
git -C "${repo_dir}" fetch origin
git -C "${repo_dir}" reset --hard "origin/${default_branch}"
else
printf "%s\n" "[inf] cloning ${repo_name}"
git -C repos clone "${repo_url}"
default_branch=$(git -C "${repo_dir}" remote show origin | grep "HEAD branch" | awk '{print $NF}' || true)
if [ -z "$default_branch" ] || [ "$default_branch" = "(unknown)" ]; then
printf "%s\n" "[wrn] could not determine default branch for ${repo_name}, trying 'main' or 'master'"
default_branch=$(git -C "${repo_dir}" ls-remote --heads origin | grep -E 'refs/heads/(main|master)$' | head -1 | awk -F'/' '{print $NF}' || true)
default_branch=${default_branch:-main}
fi
printf "%s\n" "[inf] using default branch: ${default_branch}"
git -C "${repo_dir}" checkout "${default_branch}"
fi
if test -d "${repo_dir}/.git"; then
printf "%s\n" "[inf] moving .git to .git.bak for ${repo_name}"
mv "${repo_dir}/.git" "${repo_dir}/.git.bak"
fi
done <<< "${repos}"
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