170 lines
4.3 KiB
Bash
170 lines
4.3 KiB
Bash
#!/bin/bash
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set -eo pipefail
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GITEA_DOWNLOAD_PROJECT=${GITEA_DOWNLOAD_PROJECT}
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GITEA_DOWNLOAD_ORG=${GITEA_DOWNLOAD_ORG}
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GITEA_DOWNLOAD_BASE_URL=${GITEA_BASE_URL:-https://forge.cadoles.com}
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GITEA_DOWNLOAD_USERNAME=${GITEA_DOWNLOAD_USERNAME}
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GITEA_DOWNLOAD_PASSWORD=${GITEA_DOWNLOAD_PASSWORD}
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GITEA_DOWNLOAD_RELEASE_NAME=${GITEA_DOWNLOAD_RELEASE_NAME:-latest}
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GITEA_DOWNLOAD_TARGET_DIRECTORY=${GITEA_DOWNLOAD_TARGET_DIRECTORY:-gitea-dl}
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GITEA_DOWNLOAD_ATTACHMENTS_FILTER="${GITEA_DOWNLOAD_ATTACHMENTS_FILTER:-.*}"
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function check_dependencies {
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assert_command_available 'curl'
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assert_command_available 'jq'
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}
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function assert_command_available {
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local command=$1
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local command_path=$(which $command)
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if [ -z "$command_path" ]; then
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echo "The '$command' command could not be found. Please install it before using this script." 1>&2
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exit 1
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fi
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}
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function check_environment {
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assert_environment GITEA_DOWNLOAD_PROJECT
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assert_environment GITEA_DOWNLOAD_ORG
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assert_environment GITEA_DOWNLOAD_BASE_URL
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}
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function source_env_file {
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if [ ! -f '.env' ]; then
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return 0
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fi
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set -o allexport
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source .env
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set +o allexport
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}
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function assert_environment {
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local name=$1
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local value=${!name}
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if [ -z "$value" ]; then
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echo "The $"$name" environment variable is empty." 1>&2
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exit 1
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fi
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}
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function ask_credentials {
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if [ -z "$GITEA_DOWNLOAD_USERNAME" ]; then
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echo -n "Username: "
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read GITEA_DOWNLOAD_USERNAME
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fi
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if [ -z "$GITEA_DOWNLOAD_PASSWORD" ]; then
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echo -n "Password: "
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stty -echo
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read GITEA_DOWNLOAD_PASSWORD
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stty echo
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echo
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fi
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}
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function retrieve_release_name {
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if [ ! -z "$GITEA_DOWNLOAD_RELEASE_NAME" ]; then
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return
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fi
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echo -n "Release name: "
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read GITEA_DOWNLOAD_RELEASE_NAME
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}
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function retrieve_target_directory {
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if [ ! -z "$GITEA_DOWNLOAD_TARGET_DIRECTORY" ]; then
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return
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fi
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echo -n "Target directory: "
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read GITEA_DOWNLOAD_TARGET_DIRECTORY
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}
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function json_set {
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local data=$1
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local key=$2
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local value=$3
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local use_raw_file=$4
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if [ "$use_raw_file" != "true" ]; then
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echo $data | jq -cr --argjson v "$value" --arg k "$key" '.[$k] = $v'
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else
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local tmpfile=$(mktemp)
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echo "$value" > "$tmpfile"
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echo $data | jq -cr --rawfile v "$tmpfile" --arg k "$key" '.[$k] = $v'
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rm -f "$tmpfile"
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fi
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}
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function gitea_api {
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local path=$1
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local args=${@:2}
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curl -L \
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--fail \
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--ipv4 \
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-k \
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-u "$GITEA_DOWNLOAD_USERNAME:$GITEA_DOWNLOAD_PASSWORD" \
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${args} \
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"$GITEA_DOWNLOAD_BASE_URL/api/v1$path"
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}
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function gitea_download {
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local attachment_id=$1
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local output=$2
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curl -L \
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--fail \
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--ipv4 \
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-k \
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-u "$GITEA_DOWNLOAD_USERNAME:$GITEA_DOWNLOAD_PASSWORD" \
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--output "$output" \
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$GITEA_DOWNLOAD_CURL_ARGS \
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"$GITEA_DOWNLOAD_BASE_URL/attachments/$attachment_id"
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}
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function download_release_files {
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local releases=$(gitea_api "/repos/${GITEA_DOWNLOAD_ORG}/${GITEA_DOWNLOAD_PROJECT}/releases")
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local assets
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if [ "$GITEA_DOWNLOAD_RELEASE_NAME" == "latest" ]; then
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assets=$(echo $releases | jq -r '. | sort_by(.id) | reverse | .[0].assets')
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else
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assets=$(echo $releases | jq -r --arg name "$GITEA_DOWNLOAD_RELEASE_NAME" '. | map(select( .name == $name)) | .[0].assets')
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fi
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if [ "$assets" == "null" ]; then
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echo 1>&2 "No release found."
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exit 1
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fi
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mkdir -p "$GITEA_DOWNLOAD_TARGET_DIRECTORY"
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local attachment_uuids=$(echo $assets | jq -r '.[].uuid')
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for uuid in $attachment_uuids; do
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local filename=$(echo $assets | jq -r --arg uuid "$uuid" '. | map(select( .uuid == $uuid)) | .[0].name')
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if [[ "$filename" =~ $GITEA_DOWNLOAD_ATTACHMENTS_FILTER ]]; then
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echo "Downloading attachment '$filename'"
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gitea_download "$uuid" "$GITEA_DOWNLOAD_TARGET_DIRECTORY/$filename"
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else
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echo "Ignoring attachment '$filename'"
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fi
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done
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}
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function main {
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check_dependencies
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source_env_file
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check_environment
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ask_credentials
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retrieve_release_name
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retrieve_target_directory
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download_release_files
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}
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main |