entrypoint.sh

#!/usr/bin/env bash

set -e
set -o pipefail

# Input checks

if [[ -z "$INPUT_PATTERN" ]]; then
    echo "::error ::Missing mandatory 'pattern' input."
    exit 1
fi

if [[ -n "$INPUT_VALUES" ]] && [[ -n "$INPUT_PIPE" ]]; then
    echo "::error ::The 'values' input must be mutually exclusive with the 'pipe' input."
    exit 1
fi

# Build base command

if [[ -n "$INPUT_VALUES" ]] || [[ -n "$INPUT_PIPE" ]]; then
    # Filter the given input values
    cmd="python3 '$GITHUB_ACTION_PATH/glob/globmatch.py'"
else
    # Operate on the file system
    cmd="python3 '$GITHUB_ACTION_PATH/glob/glob.py'"
fi

patterns=$(printf '%s\n' "$INPUT_PATTERN" | "$GITHUB_ACTION_PATH/shellquote.sh" ' ')
cmd+=" $patterns"

if [[ "$RUNNER_OS" == "Windows" ]]; then
    # Remove carriage return from Python output
    cmd+=" | sed $'s/\r$//'"
fi

# Execute directly

if [[ "$INPUT_RETURN_PIPE" != "true" ]]; then
    if [[ -n "$INPUT_PIPE" ]]; then
        cmd="$INPUT_PIPE | $cmd"
    else
        cmd="echo \"$INPUT_VALUES\" | $cmd"
    fi

    matches=$(eval "$cmd")

    eof=$(openssl rand -hex 16)
    echo "matches<<$eof" >> $GITHUB_OUTPUT
    echo "$matches" >> $GITHUB_OUTPUT
    echo "$eof" >> $GITHUB_OUTPUT
    exit 0
fi

# Build output "pipe" command

if [[ -n "$INPUT_VALUES" ]] || [[ -n "$INPUT_PIPE" ]]; then
    if [[ -n "$INPUT_PIPE" ]]; then
        input="$INPUT_PIPE"
    else
        # Transform newline separated values into a shell-quoted string
        input=$(printf '%s\n' "$INPUT_VALUES" | "$GITHUB_ACTION_PATH/shellquote.sh" '$'"'"'\\n'"'"'')
        input="echo $input"
    fi

    cmd="$input | $cmd"
fi

if [[ -z "$INPUT_VALUES" ]]; then
    # Make sure the pipe output preserves the current working directory if we are either operating
    # on the life file system or if a pipe input is used.
    working_directory="$(pwd -P)"
    cmd="(cd '$working_directory' && $cmd)"
fi

echo "pipe=$cmd" >> "$GITHUB_OUTPUT"