spdx.sh

#!/bin/bash

# Directory containing the Go files
DIRECTORY="."

# Array of paths to exclude from the check
EXCLUDE_PATHS=(
  "./path/to/directory/exclude1"
  "./path/to/directory/exclude2"
)

# Function to check if a path is in the EXCLUDE_PATHS array
is_excluded() {
  local path="$1"
  for exclude in "${EXCLUDE_PATHS[@]}"; do
    if [[ "$path" == "$exclude"* ]]; then
      return 0 # 0 means true/success in shell script
    fi
  done
  return 1 # 1 means false/failure in shell script
}

# Flag to track if any file meets the condition
found=0

# Use process substitution to avoid subshell issue with the 'found' variable
while IFS= read -r file; do
  if is_excluded "$file"; then
    echo "Skipping excluded file: $file"
    continue
  fi
  
  # Use `head` to grab the first two lines and compare them directly
  firstLine=$(head -n 1 "$file")
  secondLine=$(head -n 2 "$file" | tail -n 1)

  # Check if the lines do not match the specified strings
  if [[ "$firstLine" != "// SPDX-License-Identifier: Apache-2.0" || "$secondLine" != "// SPDX-FileCopyrightText: 2024-Present Defense Unicorns" ]]; then
    echo "Non-compliant file found: $file"
    found=1
  fi
done < <(find "$DIRECTORY" -type f -name "*.go")

# If any file met the condition, exit with status 1
if [ "$found" -eq 1 ]; then
  exit 1
fi