GitHub-to-B2/backup-git-repos-to-b2
2018-06-01 01:26:09 -06:00

100 lines
2.4 KiB
Bash
Executable file

#!/bin/bash
# Script to backup git repo(s) to Backblaze B2
script_name="$(basename "${0}")"
# Usage
read -r -d '' __usage <<-'EOF' || true
Usage: backup-git-repos-to-b2 [options] repo(s)...
Options:
-b --b2-bucket [arg] Backblaze B2 bucket name. Required.
-i --b2-id [arg] Backblaze B2 account ID. Required.
-k --b2-key [arg] Backblaze B2 application key. Required.
-g --github-account [arg] GitHub account name. Required.
-t --temp-dir [arg] Dir to use for temp files.
-h --help This page.
EOF
# Help text
__helptext='NOTE: --temp-dir defaults to "$(mktemp -d)" if not specified.'
source bash3boilerplate/main.sh
b2_bucket="${arg_b}"
b2_cmd="b2"
b2_id="${arg_i}"
b2_key="${arg_k}"
date="$(date '+%F_%H%M%z')"
github_account="${arg_g}"
temp_dir="${arg_t:-}"
if [[ "$temp_dir" == "" ]]; then
temp_dir="$(mktemp -d)"
fi
# Check for backblaze-b2
# Check for b2 cmd
if which backblaze-b2 >/dev/null 2>&1; then
# Arch Linux uses this name
b2_cmd="backblaze-b2"
elif ! which b2 > /dev/null 2>&1; then
echo "Error B2 command-line tool not found"
exit 1
fi
# Setup repository to ${1}
repository="${1}"
if [[ "${repository: -4:4}" == ".git" ]]; then
repository="${repository:0: -4}"
fi
# Create the backup directory
mkdir -p "${temp_dir}"
pushd "${temp_dir}" > /dev/null
echo "Backing up ${repository}"
git clone --mirror --verbose \
"https://github.com/${github_account}/${repository}.git" \
"${repository}-${date}.git"
if [ $? -ne 0 ]; then
echo "Error cloning ${repository}"
exit 1
fi
tar cpzf "${repository}-${date}.git.tgz" "${repository}-${date}.git"
if [ $? -ne 0 ]; then
echo "Error compressing ${repository}"
exit 1
fi
# Authorize B2 account
"${b2_cmd}" authorize-account "${b2_id}" "${b2_key}"
if [ $? -ne 0 ]; then
echo "Error authorizing Backblaze B2 account"
exit 1
fi
if [[ -f "${repository}-${date}.git.tgz" ]]; then
"${b2_cmd}" upload-file "${b2_bucket}" \
"${repository}-${date}.git.tgz" \
"${github_account}/${repository}-${date}.git.tgz"
fi
if [ $? -ne 0 ]; then
echo "Error uploading ${repository} to Backblaze B2"
exit 1
fi
#delete tar file and checked out folder
/bin/rm "${temp_dir}/${repository}-${date}.git.tgz"
/bin/rm -rf "${temp_dir}/${repository}-${date}.git"
if [ $? -ne 0 ]; then
echo "Error removing temp files"
exit 1
fi
popd > /dev/null
echo "Succesfully backed up ${repository}"