100 lines
3.5 KiB
Bash
Executable File
100 lines
3.5 KiB
Bash
Executable File
#! /usr/bin/env bash
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SCRIPT_DIR=${SCRIPT_DIR:-"$( cd -- "$( dirname -- "$0" )" &> /dev/null && pwd )"}
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set -e
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# Function to compare semantic versions
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compare_major_version() {
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local major_version1=$(echo $1 | cut -d. -f1)
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local major_version2=$(echo $2 | cut -d. -f1)
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if [[ "$major_version1" == "$major_version2" ]]; then
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return 0
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else
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return 1
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fi
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}
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if [[ "${1}" =~ ^(-h|--help$) ]]; then
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printf '%s\n' \
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"Query runtipi's current version and compares with what is available online" \
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"" \
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"Usage:" \
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" ${0##*/} -h | --help | [next] [<version>] " \
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"" \
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"Arguments:" \
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" -h | --help Display usage" \
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" version [optional] assume current version - auto-detected when ommitted" \
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" next Show the next version (to current-version, see above)" \
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"" \
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"Exit codes:" \
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" 0 (ok) if (next) and on the latest version" \
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" if (next) and next version exist and is not a major version change" \
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" or when listing versions (not 'next')" \
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"" \
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" 1 non operational (like --help)" \
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" major versions do not match"
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exit 1
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fi
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# Get Current Version of Runtipi
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runtipi_path=${RUNTIPI_DIR:-"$(cd -- "${SCRIPT_DIR}/../.." &> /dev/null && pwd )"}
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current_version="$1"
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if [ "$current_version" == "next" ]; then
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current_version="$2"
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next_version_only=1
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fi
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if [ -z "$current_version" ]; then
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[ -r "$runtipi_path/VERSION" ] || runtipi_path=${RUNTIPI_DIR:-"$(cd -- "${SCRIPT_DIR}/../../_" &> /dev/null && pwd )"}
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current_version=$(cat "$runtipi_path/VERSION")
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fi
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# Get the latest release information from GitHub API
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latest_releases_page=1
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latest_releases=""
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while [ $latest_releases_page -lt ${RELEASE_PAGE_LIMIT:-4} ]; do
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tmp_releases="$(curl -sL \
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-H "Accept: application/vnd.github+json" \
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-H "X-GitHub-Api-Version: 2022-11-28" \
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https://api.github.com/repos/runtipi/runtipi/releases\?page=${latest_releases_page} \
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| grep -o '"tag_name": "[^"]*' | cut -d'"' -f4 | grep -E '^v[[:digit:]\.]+$' \
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)" || break
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[ -z "$tmp_releases" ] \
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&& tmp_releases="EMPTY" && break \
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|| true
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latest_releases="$(printf '%s\n' ${latest_releases} ${tmp_releases})"
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grep -q "^${current_version}$" <<<"${tmp_releases}" \
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&& tmp_releases="" && break \
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|| (( latest_releases_page+=1 ))
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done
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[ -n "$tmp_releases" ] \
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&& next_version_only="" && current_version="${current_version} # !not-online!" \
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|| tmp_releases=""
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# List everything up to latest version (excluding the latest version)
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latest_releases="$( <<<"${latest_releases}" sed -n '
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0,/^'"${current_version//\./\\.}"'$/p
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' | tac
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)"
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next_tag="$( head -n2 <<<"${latest_releases:-${current_version}}" | tail -n1 )"
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latest_tag="$( tail -n1 <<<"${latest_releases:-${current_version}}")"
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if [ "$next_version_only" != "1" ]; then
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printf 'current:\n %-10s\nonline:\n' "$current_version" >&2
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[ ${#latest_releases} -eq 0 ] || printf ' %-10s\n' ${latest_releases} >&2
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# Compare major version numbers
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compare_major_version "$latest_tag" "$current_version"
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elif [ "$next_tag" == "$current_version" ]; then
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printf "on the latest version\n"
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#printf "%s\n" "$current_version" >&2
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elif [ "$next_tag" != "$current_version" ]; then
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printf "%s\n" "$next_tag"
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# Compare major version numbers
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compare_major_version "$next_tag" "$current_version"
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fi
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