62 lines
1.6 KiB
Python
Executable file
62 lines
1.6 KiB
Python
Executable file
#!/usr/bin/python
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import sys, os
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import vars
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from helpers import sname, add_dep, debug, err, mkdirp, unlink
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def _dirty_deps(t, depth):
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debug('%s?%s\n' % (depth, t))
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if not os.path.exists(sname('stamp', t)):
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debug('%s-- DIRTY (no stamp)\n' % depth)
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return True
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stamptime = os.stat(sname('stamp', t)).st_mtime
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try:
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realtime = os.stat(t).st_mtime
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except OSError:
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realtime = 0
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if stamptime != realtime:
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debug('%s-- DIRTY (mtime)\n' % depth)
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return True
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for sub in open(sname('dep', t)).readlines():
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assert(sub[0] in ('c','m'))
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assert(sub[1] == ' ')
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assert(sub[-1] == '\n')
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mode = sub[0]
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name = sub[2:-1]
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if mode == 'c':
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if os.path.exists(name):
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debug('%s-- DIRTY (created)\n' % depth)
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return True
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elif mode == 'm':
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if dirty_deps(name, depth + ' '):
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#debug('%s-- DIRTY (sub)\n' % depth)
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return True
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return False
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def dirty_deps(t, depth):
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if _dirty_deps(t, depth):
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unlink(sname('stamp', t)) # short circuit future checks
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return True
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return False
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if not vars.TARGET:
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err('redo-ifchange: error: must be run from inside a .do\n')
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sys.exit(100)
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try:
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want_build = []
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for t in sys.argv[1:]:
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mkdirp('%s/.redo' % vars.BASE)
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add_dep(vars.TARGET, 'm', t)
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if dirty_deps(t, depth = ''):
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want_build.append(t)
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if want_build:
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os.execvp('redo', ['redo', '--'] + want_build)
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except KeyboardInterrupt:
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sys.exit(200)
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