block git commit if any item from a list of strings (patterns) is contained in (match) any tracked files (or markdown files)

pre-commit

#!/bin/bash

# Replace with the actual directory path to search in
search_dir=$(git rev-parse --show-toplevel 2>/dev/null || git rev-parse --git-dir 2>/dev/null | sed 's/\.git$//')

# Replace with your list of strings
search_strings=("< pattern 1 >" "< pattern 2 >" "< pattern 3 >")

# Create a pattern by joining the search strings with a pipe (|) as the separator
pattern=$(printf "%s\\|" "${search_strings[@]}")
# Remove the trailing pipe
pattern=${pattern%\\|}

# Find all files matching the pattern "*.md" in the search directory and loop over them
while IFS= read -r -d '' file; do
    matches=$(grep -i "$pattern" "$file")
    if [ -n "$matches" ]; then
        IFS=$'\n' read -r -d '' -a match_list <<< "$matches"
        for match in "${match_list[@]}"; do
            echo "file: $file match found: $match"
        done
        if [ "${#match_list[@]}" -gt 0 ]; then
          echo "clean matches"
          exit 1
        fi
    fi
done < <(find "$search_dir" -name "*.md" -type f -print0)
# done < <(git ls-tree --name-only --full-tree -r HEAD)

exit 0