Look for nocheckin

pre-commit

#!/usr/bin/env bash

# Stops the commit if the changes include the word `nocheckin`.

if which tput >/dev/null 2>&1; then
    ncolors=$(tput colors)
fi
if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
    RED="$(tput setaf 1)"
    GREEN="$(tput setaf 2)"
    YELLOW="$(tput setaf 3)"
    BLUE="$(tput setaf 4)"
    MAGENTA="$(tput setaf 5)"
    CYAN="$(tput setaf 6)"
    BOLD="$(tput bold)"
    NORMAL="$(tput sgr0)"
    DIM="\e[2m"
else
    RED=""
    GREEN=""
    YELLOW=""
    BLUE=""
    MAGENTA=""
    CYAN=""
    BOLD=""
    NORMAL=""
fi

if [[ $DISABLE_NOCHECKIN -eq 1 ]]; then
    printf "${BOLD}${YELLOW}'nocheckin' test disabled${NORMAL}\n\n"
    exit 0
fi

printf "${BOLD}${YELLOW}Looking for 'nocheckin'${NORMAL}\n\n"

change_set=$(git status -s | grep "^[MARCD]")
file_types_to_check="\(.jai\|.c\|.cpp\|.inl\|.inc\|.h\|.hpp\|.txt\|.md\|.js\|.py\|.ino\|.cs\|.cshtml\|.config\|.variables\|.gl\|.keymap\)$"
abort_commit=0

while IFS= read -r line
do
    # It's a lot faster to use parameter expansion rather than `cut`.
    action="${line::1}"    # Action is either one or two characters followed by N spaces, but we can work off the first character.
    change="${line:2}"     # Skip action and strip all leading spaces.
    change="${change#"${change%%[![:space:]]*}"}"

    #echo "action: '$action' | change: '$change'"

    if [[ $action == "D" ]]; then
        continue
    elif [[ $action == "R" ]]; then
        # Extract the new filename.
        change=$(awk -F " -> " '{print $2}' <<< "$change")
    fi

    # Strip leading and trailing double quotes. This is faster than using sed like so:
    #    filename=$(sed -e 's/^"//' -e 's/"$//' <<< "$change")
    filename="${change%\"}"
    filename="${filename#\"}"

    file_path="$(pwd)/${filename}"
    #echo "file path: $file_path"

    look_at_file=$(grep -e "$file_types_to_check" -i <<< "$filename")

    if [[ "$look_at_file" != "" ]]; then
        index=1
        printf "${MAGENTA}==> ${NORMAL}${BOLD}${filename}${NORMAL}\n"
        errors=$(grep "nocheckin" "$file_path" >&1)

        if [[ "$errors" != "" ]]; then
            abort_commit=1
            printf "${BOLD}${RED}$errors${NORMAL}\n"
        fi
    else
        printf "${MAGENTA}(IGNORE) ==> ${NORMAL}${DIM}$filename${NORMAL}\n"
    fi
done <<< "$change_set"  # Make the loop run in the main shell process so that we can modify the outside variables.

if [[ $abort_commit -eq 1 ]]; then
    printf "\n${RED}${BOLD}Aborting!${NORMAL}\n"
    exit 1
else
    printf "\n${GREEN}${BOLD}All good!${NORMAL}\n"
fi

printf "\n"