Function build_once

v2/test/core_update_now.py:151–194

Make sure that if we call UPDATE_NOW with ignore-minus-n, the target gets updated exactly once regardless of previous calls to UPDATE_NOW with -n in effect.

()

def build_once():
    """
      Make sure that if we call UPDATE_NOW with ignore-minus-n, the target gets
    updated exactly once regardless of previous calls to UPDATE_NOW with -n in
    effect.

    """
    t = BoostBuild.Tester(pass_toolset=0, pass_d0=False)

    t.write("file.jam", """\
actions do-print
{
    echo updating $(<)
}

NOTFILE target1 ;
ALWAYS target1 ;
do-print target1 ;

UPDATE_NOW target1 ;
UPDATE_NOW target1 : : ignore-minus-n ;
UPDATE_NOW target1 : : ignore-minus-n ;

DEPENDS all : target1 ;
""")

    t.run_build_system(["-ffile.jam", "-n"], stdout="""\
...found 1 target...
...updating 1 target...
do-print target1

    echo updating target1

...updated 1 target...
do-print target1

    echo updating target1

updating target1
...updated 1 target...
...found 1 target...
""")

    t.cleanup()


def return_status():