| 1 | #! /usr/bin/env python
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| 2 | # encoding: utf-8
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| 3 | # Thomas Nagy, 2006-2010 (ita)
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| 4 |
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| 5 | """
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| 6 | Add a pre-build hook to remove all build files
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| 7 | which do not have a corresponding target
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| 8 |
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| 9 | This can be used for example to remove the targets
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| 10 | that have changed name without performing
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| 11 | a full 'waf clean'
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| 12 |
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| 13 | Of course, it will only work if there are no dynamically generated
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| 14 | nodes/tasks, in which case the method will have to be modified
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| 15 | to exclude some folders for example.
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| 16 | """
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| 17 |
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| 18 | import Logs, Build, os, samba_utils, Options, Utils
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| 19 | from Runner import Parallel
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| 20 |
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| 21 | old_refill_task_list = Parallel.refill_task_list
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| 22 | def replace_refill_task_list(self):
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| 23 | '''replacement for refill_task_list() that deletes stale files'''
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| 24 |
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| 25 | iit = old_refill_task_list(self)
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| 26 | bld = self.bld
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| 27 |
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| 28 | if not getattr(bld, 'new_rules', False):
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| 29 | # we only need to check for stale files if the build rules changed
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| 30 | return iit
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| 31 |
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| 32 | if Options.options.compile_targets:
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| 33 | # not safe when --target is used
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| 34 | return iit
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| 35 |
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| 36 | # execute only once
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| 37 | if getattr(self, 'cleanup_done', False):
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| 38 | return iit
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| 39 | self.cleanup_done = True
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| 40 |
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| 41 | def group_name(g):
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| 42 | tm = self.bld.task_manager
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| 43 | return [x for x in tm.groups_names if id(tm.groups_names[x]) == id(g)][0]
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| 44 |
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| 45 | bin_base = bld.bldnode.abspath()
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| 46 | bin_base_len = len(bin_base)
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| 47 |
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| 48 | # paranoia
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| 49 | if bin_base[-4:] != '/bin':
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| 50 | raise Utils.WafError("Invalid bin base: %s" % bin_base)
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| 51 |
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| 52 | # obtain the expected list of files
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| 53 | expected = []
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| 54 | for i in range(len(bld.task_manager.groups)):
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| 55 | g = bld.task_manager.groups[i]
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| 56 | tasks = g.tasks_gen
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| 57 | for x in tasks:
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| 58 | try:
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| 59 | if getattr(x, 'target'):
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| 60 | tlist = samba_utils.TO_LIST(getattr(x, 'target'))
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| 61 | for t in tlist:
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| 62 | p = os.path.join(x.path.abspath(bld.env), t)
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| 63 | p = os.path.normpath(p)
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| 64 | expected.append(p)
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| 65 | for n in x.allnodes:
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| 66 | p = n.abspath(bld.env)
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| 67 | if p[0:bin_base_len] == bin_base:
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| 68 | expected.append(p)
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| 69 | except:
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| 70 | pass
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| 71 |
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| 72 | for root, dirs, files in os.walk(bin_base):
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| 73 | for f in files:
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| 74 | p = root + '/' + f
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| 75 | if os.path.islink(p):
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| 76 | link = os.readlink(p)
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| 77 | if link[0:bin_base_len] == bin_base:
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| 78 | p = link
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| 79 | if f in ['config.h']:
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| 80 | continue
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| 81 | if f[-2:] not in [ '.c', '.h' ]:
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| 82 | continue
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| 83 | if f[-7:] == '.inst.h':
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| 84 | continue
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| 85 | if p.find("/.conf") != -1:
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| 86 | continue
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| 87 | if not p in expected:
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| 88 | Logs.warn("Removing stale file: %s" % p)
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| 89 | os.unlink(p)
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| 90 | return iit
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| 91 |
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| 92 |
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| 93 | def AUTOCLEANUP_STALE_FILES(bld):
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| 94 | """automatically clean up any files in bin that shouldn't be there"""
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| 95 | old_refill_task_list = Parallel.refill_task_list
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| 96 | Parallel.refill_task_list = replace_refill_task_list
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| 97 | Parallel.bld = bld
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| 98 | Build.BuildContext.AUTOCLEANUP_STALE_FILES = AUTOCLEANUP_STALE_FILES
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