| 1 | #!/usr/bin/env bash |
| 2 | set -euo pipefail |
| 3 | |
| 4 | # Select the validated manifest that should align one Desktop channel's public |
| 5 | # pointer(s). The candidate is authoritative when it is newest. Otherwise the |
| 6 | # newest existing pointer repairs lagging compatibility aliases. Equal newer |
| 7 | # versions with different content are ambiguous and fail closed. |
| 8 | |
| 9 | if [ "$#" -lt 3 ]; then |
| 10 | echo "usage: $0 CHANNEL CANDIDATE_MANIFEST CURRENT_MANIFEST|- [CURRENT_MANIFEST|- ...]" >&2 |
| 11 | exit 2 |
| 12 | fi |
| 13 | |
| 14 | script_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)" |
| 15 | compare="$script_dir/compare-desktop-release-versions.sh" |
| 16 | channel="$1" |
| 17 | candidate_file="$2" |
| 18 | shift 2 |
| 19 | |
| 20 | case "$channel" in |
| 21 | stable | preview) ;; |
| 22 | *) |
| 23 | echo "unsupported Desktop pointer channel: $channel" >&2 |
| 24 | exit 2 |
| 25 | ;; |
| 26 | esac |
| 27 | if [ ! -f "$candidate_file" ]; then |
| 28 | echo "candidate Desktop manifest is not a readable file: $candidate_file" >&2 |
| 29 | exit 2 |
| 30 | fi |
| 31 | |
| 32 | candidate_version="$(jq -er '.version | strings' "$candidate_file")" |
| 33 | bash "$compare" "$channel" "$candidate_version" "" >/dev/null |
| 34 | selected_file="$candidate_file" |
| 35 | selected_version="$candidate_version" |
| 36 | selected_is_candidate=1 |
| 37 | |
| 38 | for current_file in "$@"; do |
| 39 | if [ "$current_file" = "-" ]; then |
| 40 | continue |
| 41 | fi |
| 42 | if [ ! -f "$current_file" ]; then |
| 43 | echo "current Desktop manifest is not a readable file: $current_file" >&2 |
| 44 | exit 2 |
| 45 | fi |
| 46 | |
| 47 | current_version="$(jq -er '.version | strings' "$current_file")" |
| 48 | if [ "$(bash "$compare" "$channel" "$current_version" "$selected_version")" = "update" ]; then |
| 49 | selected_file="$current_file" |
| 50 | selected_version="$current_version" |
| 51 | selected_is_candidate=0 |
| 52 | elif [ "$current_version" = "$selected_version" ] && |
| 53 | [ "$selected_is_candidate" -eq 0 ] && |
| 54 | ! cmp -s "$current_file" "$selected_file"; then |
| 55 | echo "conflicting Desktop $channel pointers have the same newer version $current_version" >&2 |
| 56 | exit 1 |
| 57 | fi |
| 58 | done |
| 59 | |
| 60 | needs_update=0 |
| 61 | for current_file in "$@"; do |
| 62 | if [ "$current_file" = "-" ] || ! cmp -s "$selected_file" "$current_file"; then |
| 63 | needs_update=1 |
| 64 | fi |
| 65 | done |
| 66 | |
| 67 | if [ "$needs_update" -eq 1 ]; then |
| 68 | printf 'update\t%s\n' "$selected_file" |
| 69 | else |
| 70 | echo skip |
| 71 | fi |
| 72 |