In /usr/bin/mh_clean line 19: . /usr/share/maven-repo-helper/mh_lib.sh ^-- SC1091: Not following: /usr/share/maven-repo-helper/mh_lib.sh was not specified as input (see shellcheck -x). In /usr/bin/mh_clean line 32: rm -f `cat debian/.mh_clean` debian/.mh_clean ^--------------------^ SC2046: Quote this to prevent word splitting. ^--------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`. Did you mean: rm -f $(cat debian/.mh_clean) debian/.mh_clean For more information: https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt... https://www.shellcheck.net/wiki/SC1091 -- Not following: /usr/share/maven-r... https://www.shellcheck.net/wiki/SC2006 -- Use $(...) notation instead of le...