[Dev] Fix signing scripts so they can be called from arbitrary locations

scripts/extension-upload-wasm.sh

@@ -2,8 +2,14 @@
 
 # Usage: ./extension-upload-wasm.sh <architecture> <commithash or version_tag>
 
+# The directory that the script lives in, thanks @Tishj
+script_dir="$(dirname "$(readlink -f "$0")")"
+
 set -e
 
+# Ensure we do nothing on failed globs
+shopt -s nullglob
+
 echo "$DUCKDB_EXTENSION_SIGNING_PK" > private.pem
 
 FILES="loadable_extensions/*.duckdb_extension.wasm"
@@ -27,7 +33,7 @@ do
         # for a grand total of 2 bytes
         echo -n -e '\x80\x02' >> $f.append
         # the actual payload, 256 bytes, to be added later
-        scripts/compute-extension-hash.sh $f.append > $f.hash
+        $script_dir/compute-extension-hash.sh $f.append > $f.hash
         # encrypt hash with extension signing private key to create signature
         openssl pkeyutl -sign -in $f.hash -inkey private.pem -pkeyopt digest:sha256 -out $f.sign
         # append signature to extension binary

scripts/extension-upload.sh

@@ -2,6 +2,9 @@
 
 # Usage: ./extension-upload.sh <architecture> <commithash or version_tag> <(optionally) base_dir>
 
+# The directory that the script lives in, thanks @Tishj
+script_dir="$(dirname "$(readlink -f "$0")")"
+
 if [ -z "$3" ]; then
     BASE_DIR="build/release/extension/*"
 else
@@ -20,7 +23,7 @@ for f in $FILES
 do
 	ext=`basename $f .duckdb_extension`
 	# calculate SHA256 hash of extension binary
-	scripts/compute-extension-hash.sh $f > $f.hash
+	$script_dir/compute-extension-hash.sh $f > $f.hash
 	# encrypt hash with extension signing private key to create signature
 	openssl pkeyutl -sign -in $f.hash -inkey private.pem -pkeyopt digest:sha256 -out $f.sign
 	# append signature to extension binary