build_binary

#!/bin/bash
# This build file will build using custom remote dependency forks unless
# specified local options are available, in which case the local is used.

# Exit immediately upon error.
set -e

# Read the local overrides for custom remote dependencies.
if [ ! -f ".env.build" ]; then
  echo "Error: .env.build file not found"
  exit 1
fi
set -a
source .env.build
set +a

# Set a build flag, cleared however this script exits.
function reset {
  export BUILD_SCRIPT_USED=0
}
trap reset EXIT
export BUILD_SCRIPT_USED=1

# Ensure the .cargo directory exists.
mkdir -p ".cargo"

# Generate a patch file for any local overrides.
rm -f ".cargo/config.toml"
CONFIG_TOML_CONTENT=""
while IFS= read -r MAPPING; do
  [ -z "$MAPPING" ] && continue

  # Split the mapping into crate name, local path, and remote Git URL
  IFS=';' read -ra DEP_INFO <<< "$MAPPING"
  CRATE_NAME="${DEP_INFO[0]}"
  LOCAL_PATH="${DEP_INFO[1]}"
  REMOTE_GIT_URL="${DEP_INFO[2]}"

  # The local dependency is present; use it.
  if [ -d "$LOCAL_PATH" ]; then
    echo "-> using local $CRATE_NAME at $LOCAL_PATH ..."

    # Validate that we are working with a relative path.
    if [[ "$LOCAL_PATH" = /* ]]; then
      echo "Error: Absolute paths are not allowed."
      exit 1
    fi
    if [[ "$LOCAL_PATH" = ~* ]]; then
      echo "Error: Paths starting with '~' are not allowed."
      exit 1
    fi

    # Build our dynamic patch file.
    CONFIG_TOML_CONTENT+="
[patch.\"$REMOTE_GIT_URL\"]
$CRATE_NAME = { path = \"$LOCAL_PATH\" }
"

  # The local dependency is not present; use the updated remote.
  else
    echo "-> local $CRATE_NAME not found: using updated remote ..."
    cargo clean -p "$CRATE_NAME"
    cargo update -p "$CRATE_NAME"
  fi
done <<< "$OVERRIDES"

# Write the new patch file.
if [ -n "$CONFIG_TOML_CONTENT" ]; then
  echo "$CONFIG_TOML_CONTENT" > ".cargo/config.toml"
fi

# Check the tests.
cargo build --tests

# Perform the build.
cargo build "$@"