apenwarr-redo/redo-ifchange.py
Avery Pennarun df85b3d163 Move dependency checking from redo-ifchange into deps.py.
In preparation for sharing between multiple commands.
2010-12-19 03:50:38 -08:00

43 lines
1.1 KiB
Python
Executable file

#!/usr/bin/python
import sys, os
if not sys.argv[1:]:
sys.exit(0) # nothing to do, so we can't possibly do it wrong
import vars_init
vars_init.init(sys.argv[1:])
import vars, state, builder, jwack, deps
from helpers import unlink
from log import debug, debug2, err
def should_build(t):
f = state.File(name=t)
if f.is_failed():
raise builder.ImmediateReturn(32)
dirty = deps.isdirty(f, depth = '', max_changed = vars.RUNID)
return dirty==[f] and deps.DIRTY or dirty
rv = 202
try:
if vars.TARGET and not vars.UNLOCKED:
me = os.path.join(vars.STARTDIR,
os.path.join(vars.PWD, vars.TARGET))
f = state.File(name=me)
debug2('TARGET: %r %r %r\n' % (vars.STARTDIR, vars.PWD, vars.TARGET))
else:
f = me = None
debug2('redo-ifchange: not adding depends.\n')
try:
targets = sys.argv[1:]
if f:
for t in targets:
f.add_dep('m', t)
f.save()
rv = builder.main(targets, should_build)
finally:
jwack.force_return_tokens()
except KeyboardInterrupt:
sys.exit(200)
state.commit()
sys.exit(rv)