Safe Automated Update

Added detection of next available version (as opposed to just latest)
Automatic incremental updates with `tpc update next`.

_bin/checkver.sh

@@ -1,6 +1,8 @@
 #! /usr/bin/env bash
 SCRIPT_DIR=${SCRIPT_DIR:-"$( cd -- "$( dirname -- "$0" )" &> /dev/null && pwd )"}
  
+set -e
+
 # Function to compare semantic versions
 compare_major_version() {
     local major_version1=$(echo $1 | cut -d. -f1)
@@ -12,38 +14,86 @@ compare_major_version() {
         return 1
     fi
 }
+
+if [[ "${1}" =~ ^(-h|--help$) ]]; then
+    printf '%s\n' \
+        "Query runtipi's current version and compares with what is available online" \
+        "" \
+        "Usage:" \
+        "    ${0##*/} -h | --help | [next] [<version>] " \
+        "" \
+        "Arguments:" \
+        "    -h | --help    Display usage" \
+        "    version        [optional] assume current version - auto-detected when ommitted" \
+        "    next           Show the next version (to current-version, see above)" \
+        "" \
+        "Exit codes:" \
+        "    0 (ok)         if (next) and on the latest version" \
+        "                   if (next) and next version exist and is not a major version change" \
+        "                   or when listing versions (not 'next')" \
+        "" \
+        "    1              non operational (like --help)" \
+        "                   major versions do not match"
+    exit 1
+fi
  
 # Get Current Version of Runtipi
 runtipi_path=${RUNTIPI_DIR:-"$(cd -- "${SCRIPT_DIR}/../.." &> /dev/null && pwd )"}
-[ -r "$runtipi_path/VERSION" ] || runtipi_path=${RUNTIPI_DIR:-"$(cd -- "${SCRIPT_DIR}/../../_" &> /dev/null && pwd )"}
+current_version="$1"
-current_version=$(cat "$runtipi_path/VERSION")
+if [ "$current_version" == "next" ]; then
+    current_version="$2"
+    next_version_only=1
+fi
+if [ -z "$current_version" ]; then
+    [ -r "$runtipi_path/VERSION" ] || runtipi_path=${RUNTIPI_DIR:-"$(cd -- "${SCRIPT_DIR}/../../_" &> /dev/null && pwd )"}
+    current_version=$(cat "$runtipi_path/VERSION")
+fi
  
 # Get the latest release information from GitHub API
-latest_release=$(curl -sL \
+latest_releases_page=1
-  -H "Accept: application/vnd.github+json" \
+latest_releases=""
-  -H "X-GitHub-Api-Version: 2022-11-28" \
+while [ $latest_releases_page -lt ${RELEASE_PAGE_LIMIT:-4} ]; do
-  https://api.github.com/repos/runtipi/runtipi/releases/latest)
+    tmp_releases="$(curl -sL \
+      -H "Accept: application/vnd.github+json" \
+      -H "X-GitHub-Api-Version: 2022-11-28" \
+      https://api.github.com/repos/runtipi/runtipi/releases\?page=${latest_releases_page} \
+      | grep -o '"tag_name": "[^"]*' | cut -d'"' -f4 | grep -E '^v[[:digit:]\.]+$' \
+    )" || break
+
+    [ -z "$tmp_releases" ] \
+    && tmp_releases="EMPTY" && break \
+    || true
+
+    latest_releases="$(printf '%s\n' ${latest_releases} ${tmp_releases})"
+
+    grep -q "^${current_version}$" <<<"${tmp_releases}" \
+    && tmp_releases="" && break \
+    || (( latest_releases_page+=1 ))
+done
+[ -n "$tmp_releases" ] \
+&& next_version_only="" && current_version="${current_version} # !not-online!" \
+|| tmp_releases=""
+
+# List everything up to latest version (excluding the latest version)
+latest_releases="$( <<<"${latest_releases}" sed -n '
+    0,/^'"${current_version//\./\\.}"'$/p
+    ' | tac
+)"
+
+next_tag="$( head -n2 <<<"${latest_releases:-${current_version}}" | tail -n1 )"
+latest_tag="$( tail -n1 <<<"${latest_releases:-${current_version}}")"
  
-# Extract the tag name from the release information
+if [ "$next_version_only" != "1" ]; then
-tag_name=$(echo "$latest_release" | grep -o '"tag_name": "[^"]*' | cut -d'"' -f4)
+    printf 'current:\n %-10s\nonline:\n' "$current_version" >&2
- 
+    [ ${#latest_releases} -eq 0 ] || printf ' %-10s\n' ${latest_releases} >&2
-printf 'current: %-10s online: %-10s\n' "$current_version" "$tag_name" >&2
+    # Compare major version numbers
-# Compare major version numbers
+    compare_major_version "$latest_tag" "$current_version"
-compare_major_version "$tag_name" "$current_version"
+elif [ "$next_tag" == "$current_version" ]; then
-# major_version_match=$?
+    printf "on the latest version\n"
-#  
+    #printf "%s\n" "$current_version" >&2
-# # Check if major versions are the same and if the latest release is newer than the current version
+elif [ "$next_tag" != "$current_version" ]; then
-# if [[ $major_version_match -eq 0 ]] && [[ "$tag_name" > "$current_version" ]]; then
+    printf "%s\n" "$next_tag"
-#     echo "A new release is available: $tag_name"
+    # Compare major version numbers
-#     cd $runtipi_path
+    compare_major_version "$next_tag" "$current_version"
-#     echo "Backing up current version"
+fi
-#     if [ ! -d "$runtipi_path/backups" ]; then
+
-#         mkdir -p $runtipi_path/backups
-#     fi
-#     tar -czvf runtipi-backup-$current_version.tar.gz --exclude=media --exclude=backups *
-#     mv runtipi-backup-$current_version.tar.gz $runtipi_path/backups
-#     echo "Starting update"
-#     echo $runtipi_path/runtipi-cli update latest
-# else
-#     echo "No new release found or major version mismatch"
-# fi

_bin/rtpctl.d

@@ -292,10 +292,30 @@ case "${1}" in
         runtipi-cli start --env-file user-config/.env.local ${2:---no-permissions}
         ;;
     update)
-        if [ -z "${2}" ]; then
+        if [[ "$2" =~ ^(-h|--help$|help$) ]]; then
-            ${SCRIPT_DIR}/checkver.sh
+            printf '%s    %-12s %s\n' \
+                "Query if upgrade is available, or perform auto update" "" "" \
+                "" "" "" \
+                "Usage:" "" ""\
+                "  ${BASE_NAME} update -h | --help | [ -- [<args>] | [next] [version] ] " "" ""\
+                "" "" "" \
+                "Arguments:" "" ""\
+                "" "-h | --help" "Display usage" \
+                "" "" "" \
+                "" "-- [<args>]" "invoke checkver.sh with [optional] <args>" \
+                "" "version"     "specify specific version" \
+                "" "next"        "detect next version (version will assume current-version instead of detecting)"
+            exit 1
+        fi
+        if [ -z "${2}" ] || [ "${2}" == '--' ]; then
+            ${SCRIPT_DIR}/checkver.sh "${@:3}"
         else
-            runtipi-cli update --env-file user-config/.env.local --no-permissions "${2:?Must supply version}" "${@:3}"
+            update_to="${2:?Must supply version}"
+            [ "${update_to}" != "auto" ] && [ "${update_to}" != "next" ] \
+            || update_to=$(${SCRIPT_DIR}/checkver.sh next "${3}") || update_to=""
+            [ "${update_to}" == "on the latest version" ] && exit 0
+            [ -n "${update_to}" ] \
+            && runtipi-cli update --env-file user-config/.env.local --no-permissions "${update_to}" "${@:4}"
         fi
         ;;
     dls)
@@ -319,8 +339,8 @@ case "${1}" in
     setup)
         ln -s $2 "$(cd -- "${SCRIPT_DIR}" && pwd)/${BASE_NAME}" "${3:-$HOME/.local/bin/}"
         ;;
-    edit)
+    editme)
-        ${VISUAL:-${EDITOR:-vi}} $0
+        ${VISUAL:-${EDITOR:-vi}} "$(readlink -f "$0")"
         ;;
     _load)
         echo "alias ${BASE_NAME}cd='cd \"$SCRIPT_DIR/..\"'"