# 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

DOWNLOAD="https://www.kernel.org/pub/software/scm/git/git-${BPM_PKG_VERSION}.tar.xz"
FILENAME="${DOWNLOAD##*/}"


# The prepare function is executed in the root of the temp directory
# This function is used for downloading files and putting them into the correct location
prepare() {
  wget "$DOWNLOAD"
  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  ./configure --prefix=/usr --with-gitconfig=/etc/gitconfig --with-python=python3 --with-libpcre2
  
  # Compile git and its documentation
  make all man

  # Compile libsecret credential helper
  make -C contrib/credential/libsecret
}

# The check function is executed in the source directory
# This function is used to run tests to verify the package has been compiled correctly
check() {
  SHELL=/bin/sh NO_SVN_TESTS=y DEFAULT_TEST_TARGET=prove GIT_TEST_OPTS="--root=/dev/shm/git-test" GIT_UNZIP=nonexist make test
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  make perllibdir=$(/usr/bin/perl -MConfig -wle 'print $Config{installvendorlib}') DESTDIR="$BPM_OUTPUT" install install-man

  # Install bash completions
  install -Dm644 contrib/completion/git-completion.bash "$BPM_OUTPUT"/usr/share/bash-completion/completions/git
  
  # Install git prompt
  install -Dm644 contrib/completion/git-prompt.sh "$BPM_OUTPUT"/usr/share/git/git-prompt.sh

  # Install libsecret credentials helper
  install -Dm755 contrib/credential/libsecret/git-credential-libsecret "$BPM_OUTPUT"/usr/lib/git-core/git-credential-libsecret
  
  # Install package license
  install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/git/COPYING
}