The -q option to curl is equivalent to the long option --disable:
-q, --disable
If used as the first parameter on the command line, the curlrc config file will not be read and used.
See the -K, --config for details on the default config file search path.
I have the feeling you probably meant to use -s for --silent?
On https://docs.makedeb.org/prebuilt-mpr/getting-started/#setting-up-the-repository there is a command to install the GPG keyring:
The
-q
option tocurl
is equivalent to the long option--disable
:I have the feeling you probably meant to use
-s
for--silent
?