github.com/westcoastroms/westcoastroms-build@v0.0.0-20190928114312-2350e5a73030/build/blueprint/blueprint.bash (about)

     1  #!/bin/bash
     2  
     3  # This script is intented to wrap the execution of ninja so that we
     4  # can do some checks before each ninja run.
     5  #
     6  # It can either be run with a standalone Blueprint checkout to generate
     7  # the minibp binary, or can be used by another script as part of a custom
     8  # Blueprint-based build system. When used by another script, the following
     9  # environment variables can be set to configure this script, which are
    10  # documented below:
    11  #
    12  #   BUILDDIR
    13  #   NINJA
    14  #   SKIP_NINJA
    15  #
    16  # When run in a standalone Blueprint checkout, bootstrap.bash will install
    17  # this script into the $BUILDDIR, where it may be executed.
    18  #
    19  # For embedding into a custom build system, the current directory when this
    20  # script executes should be the same directory that $BOOTSTRAP should be
    21  # called from.
    22  
    23  set -e
    24  
    25  # BUILDDIR should be set to the path to store build results. By default,
    26  # this is the directory containing this script, but can be set explicitly
    27  # if the custom build system only wants to install their own wrapper.
    28  [ -z "$BUILDDIR" ] && BUILDDIR=`dirname "${BASH_SOURCE[0]}"`
    29  
    30  # NINJA should be set to the path of the ninja executable. By default, this
    31  # is just "ninja", and will be looked up in $PATH.
    32  [ -z "$NINJA" ] && NINJA=ninja
    33  
    34  
    35  if [ ! -f "${BUILDDIR}/.blueprint.bootstrap" ]; then
    36      echo "Please run bootstrap.bash (.blueprint.bootstrap missing)" >&2
    37      exit 1
    38  fi
    39  
    40  # .blueprint.bootstrap provides saved values from the bootstrap.bash script:
    41  #
    42  #   BLUEPRINT_BOOTSTRAP_VERSION
    43  #   BLUEPRINTDIR
    44  #   SRCDIR
    45  #   GOROOT
    46  #
    47  source "${BUILDDIR}/.blueprint.bootstrap"
    48  
    49  if [ -z "$BLUEPRINTDIR" ]; then
    50      echo "Please run bootstrap.bash (.blueprint.bootstrap outdated)" >&2
    51      exit 1
    52  fi
    53  
    54  source "${BLUEPRINTDIR}/blueprint_impl.bash"