# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

# The prepare function is executed in the root of the temp directory
# This function is used for putting downloaded files to the correct location or applying patches
prepare() {
  cd "$BPM_SOURCE"/crates/cli
  cargo fetch --locked --target "$(rustc --print host-tuple)"
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  # Build library
  cmake -B build -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON
  cmake --build build

  # Build command-line interface
  cd "$BPM_SOURCE"/crates/cli
  cargo build --release --locked --offline

  # Build shell completions
  for completion in bash elvish fish nushell zsh; do
    cargo run --frozen --release -- complete --shell $completion > $completion-completions
  done
}

# Function for packaging the main tree sitter library
package_tree-sitter() {
  DESTDIR="$BPM_OUTPUT" cmake --install build

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/tree-sitter/LICENSE
}

# Function for packaging the tree sitter cli tools
package_tree-sitter-cli() {
  install -D "$BPM_SOURCE"/target/release/tree-sitter "$BPM_OUTPUT"/usr/bin/tree-sitter

  # Install shell completions
  cd crates/cli
  install -Dm644 bash-completions "$BPM_OUTPUT"/usr/share/bash-completion/completions/tree-sitter
  install -Dm644 elvish-completions "$BPM_OUTPUT"/usr/share/elvish/lib/tree-sitter.elv
  install -Dm644 fish-completions "$BPM_OUTPUT"/usr/share/fish/vendor_completions.d/tree-sitter.fish
  install -Dm644 nushell-completions "$BPM_OUTPUT"/usr/share/nushell/vendor/autoload/tree-sitter.nu
  install -Dm644 zsh-completions "$BPM_OUTPUT"/usr/share/zsh/site-functions/_tree-sitter

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/tree-sitter/LICENSE
}