Update git-secrets to include prohibited regular expressions from a .gitprohibited file

Author: wsmarsh

README.rst

@@ -445,6 +445,9 @@ like Ubuntu (BSD vs GNU).
 You can add prohibited regular expression patterns to your git config using
 ``git secrets --add <pattern>``.
 
+You can also add prohibited regular expressions patterns to a
+``.gitprohibited`` file located in the repository's root directory. Lines starting
+with ``#`` are skipped (comment line) and empty lines are also skipped.
 
 Ignoring false positives
 ------------------------

git-secrets

@@ -52,6 +52,10 @@ prepare_commit_msg_hook* prepare-commit-msg hook (internal only)"
 
 load_patterns() {
   git config --get-all secrets.patterns
+  local gitprohibited="$(git rev-parse --show-toplevel)/.gitprohibited"
+  if [ -e "$gitprohibited" ]; then
+    cat $gitprohibited | awk 'NF && $1!~/^#/'
+  fi
   # Execute each provider and use their output to build up patterns
   git config --get-all secrets.providers | while read -r cmd; do
     # Only split words on '\n\t ' and strip "\r" from the output to account