diff options
Diffstat (limited to 'src/third_party/scons-3.1.2/scons-local-3.1.2/SCons/CacheDir.py')
| -rw-r--r-- | src/third_party/scons-3.1.2/scons-local-3.1.2/SCons/CacheDir.py | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/third_party/scons-3.1.2/scons-local-3.1.2/SCons/CacheDir.py b/src/third_party/scons-3.1.2/scons-local-3.1.2/SCons/CacheDir.py index e6ddfac0a7e..ebfb6c106df 100644 --- a/src/third_party/scons-3.1.2/scons-local-3.1.2/SCons/CacheDir.py +++ b/src/third_party/scons-3.1.2/scons-local-3.1.2/SCons/CacheDir.py @@ -61,7 +61,7 @@ def CacheRetrieveFunc(target, source, env): if fs.islink(cachefile): fs.symlink(fs.readlink(cachefile), t.get_internal_path()) else: - env.copy_from_cache(cachefile, t.get_internal_path()) + cd.copy_from_cache(env, cachefile, t.get_internal_path()) try: os.utime(cachefile, None) except OSError: @@ -123,7 +123,7 @@ def CachePushFunc(target, source, env): if fs.islink(t.get_internal_path()): fs.symlink(fs.readlink(t.get_internal_path()), tempfile) else: - fs.copy2(t.get_internal_path(), tempfile) + cd.copy_to_cache(env, t.get_internal_path(), tempfile) fs.rename(tempfile, cachefile) st = fs.stat(t.get_internal_path()) fs.chmod(cachefile, stat.S_IMODE(st[stat.ST_MODE]) | stat.S_IWRITE) @@ -279,6 +279,20 @@ class CacheDir(object): self.debugFP.write("requests: %d, hits: %d, misses: %d, hit rate: %.2f%%\n" % (self.requests, self.hits, self.misses, self.hit_ratio)) + @classmethod + def copy_from_cache(cls, env, src, dst): + if env.cache_timestamp_newer: + return env.fs.copy(src, dst) + else: + return env.fs.copy2(src, dst) + + @classmethod + def copy_to_cache(cls, env, src, dst): + try: + return env.fs.copy2(src, dst) + except AttributeError as ex: + raise EnvironmentError from ex + @property def hit_ratio(self): return (100.0 * self.hits / self.requests if self.requests > 0 else 100) @@ -293,6 +307,12 @@ class CacheDir(object): def is_readonly(self): return cache_readonly + def get_cachedir_csig(self, node): + cachedir, cachefile = self.cachepath(node) + if cachefile and os.path.exists(cachefile): + return SCons.Util.MD5filesignature(cachefile, \ + SCons.Node.FS.File.md5_chunksize * 1024) + def cachepath(self, node): """ """ |