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verify.sh
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verify.sh
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TMPDIR_FOR_VERIFY="$TMPDIR/.vunzip"
mkdir "$TMPDIR_FOR_VERIFY"
abort_verify() {
ui_print "*********************************************************"
ui_print "! $1"
ui_print "! This zip may be corrupted, please try downloading again"
abort "*********************************************************"
}
# extract <zip> <file> <target dir> <junk paths>
extract() {
zip=$1
file=$2
dir=$3
junk_paths=$4
[ -z "$junk_paths" ] && junk_paths=false
opts="-o"
[ $junk_paths = true ] && opts="-oj"
file_path=""
hash_path=""
if [ $junk_paths = true ]; then
file_path="$dir/$(basename "$file")"
hash_path="$TMPDIR_FOR_VERIFY/$(basename "$file").sha256sum"
else
file_path="$dir/$file"
hash_path="$TMPDIR_FOR_VERIFY/$file.sha256sum"
fi
unzip $opts "$zip" "$file" -d "$dir" >&2
[ -f "$file_path" ] || abort_verify "$file not exists"
unzip $opts "$zip" "$file.sha256sum" -d "$TMPDIR_FOR_VERIFY" >&2
[ -f "$hash_path" ] || abort_verify "$file.sha256sum not exists"
(echo "$(cat "$hash_path") $file_path" | sha256sum -c -s -) || abort_verify "Failed to verify $file"
ui_print "- Verified $file" >&1
}