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Sync exact managed platform checksum parser #197

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Merged
TeoSlayer merged 1 commit into from
Aug 6, 2026
Merged

Sync exact managed platform checksum parser #197

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10 changes: 7 additions & 3 deletions public/install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -313,9 +313,13 @@ manifest_field() {
# release's checksums.txt (served from GitHub).
manifest_platform_sha256() {
_mp_plat="$1"; _mp_file="$2"
sed -n "/\"${_mp_plat}\"[[:space:]]*:[[:space:]]*{/,/}/p" "$_mp_file" \
| grep '"sha256"' | head -1 \
| sed -E 's/.*"sha256"[[:space:]]*:[[:space:]]*"([^"]*)".*/\1/'
# The authority is free to emit compact JSON. A line-range parser sees all
# platform objects on that one line and a greedy replacement can therefore
# return the final platform's hash. Collapse whitespace deliberately, then
# constrain the match to this platform's first closing brace.
tr -d '\r\n' < "$_mp_file" \
| sed -n -E "s/.*\"${_mp_plat}\"[[:space:]]*:[[:space:]]*\\{[^}]*\"sha256\"[[:space:]]*:[[:space:]]*\"([^\"]*)\"[^}]*\\}.*/\\1/p" \
| head -1
}

# version_compare a b emits -1 / 0 / 1 for a<b / a==b / a>b.
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