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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