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author | Zac Medico <zmedico@gentoo.org> | 2007-11-29 06:30:55 +0000 |
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committer | Zac Medico <zmedico@gentoo.org> | 2007-11-29 06:30:55 +0000 |
commit | 2d8d34c09770f315582e09935d14c5b42cfaa8a9 (patch) | |
tree | 0434325daa9e84e26c9d6765df53fa14fccbffa5 /pym/portage.py | |
parent | 24bf0167dcce019bcc73f9da221878bfb119829f (diff) | |
download | portage-2d8d34c09770f315582e09935d14c5b42cfaa8a9.tar.gz portage-2d8d34c09770f315582e09935d14c5b42cfaa8a9.tar.bz2 portage-2d8d34c09770f315582e09935d14c5b42cfaa8a9.zip |
When portage reinstalls itself, copy both the bin and pym
directories to a temp dir. Insert the temporary PORTAGE_PYM_PATH
as the first element of sys.path and register an atexit hook to
clean up the temporary directories. (trunk r8743)
svn path=/main/branches/2.1.2/; revision=8744
Diffstat (limited to 'pym/portage.py')
-rw-r--r-- | pym/portage.py | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/pym/portage.py b/pym/portage.py index 76df20e70..5d0ea8f8f 100644 --- a/pym/portage.py +++ b/pym/portage.py @@ -9051,38 +9051,39 @@ class dblink: def merge(self, mergeroot, inforoot, myroot, myebuild=None, cleanup=0, mydbapi=None, prev_mtimes=None): - - # If portage is reinstalling itself, create a temporary - # copy of PORTAGE_BIN_PATH in order to avoid relying on - # on the new versions which may be incompatible. - bin_path_tmp = None - bin_path_orig = None + """ + If portage is reinstalling itself, create temporary + copies of PORTAGE_BIN_PATH and PORTAGE_PYM_PATH in order + to avoid relying on the new versions which may be + incompatible. Insert the temporary PORTAGE_PYM_PATH + as the first element of sys.path and register an atexit + hook to clean up the temporary directories. + """ if self.myroot == "/" and \ "sys-apps" == self.cat and \ "portage" == pkgsplit(self.pkg)[0]: - bin_path_orig = self.settings["PORTAGE_BIN_PATH"] + settings = self.settings + base_path_orig = os.path.dirname(settings["PORTAGE_BIN_PATH"]) from tempfile import mkdtemp import shutil - bin_path_tmp = mkdtemp() - for x in os.listdir(bin_path_orig): - path = os.path.join(bin_path_orig, x) - if not os.path.isfile(path): - continue - shutil.copy(path, os.path.join(bin_path_tmp, x)) - os.chmod(bin_path_tmp, 0755) - try: - if bin_path_tmp: - self.settings["PORTAGE_BIN_PATH"] = bin_path_tmp - self.settings.backup_changes("PORTAGE_BIN_PATH") - return self._merge(mergeroot, inforoot, + base_path_tmp = mkdtemp() + from portage_exec import atexit_register + atexit_register(shutil.rmtree, base_path_tmp) + dir_perms = 0755 + for subdir in "bin", "pym": + var_name = "PORTAGE_%s_PATH" % subdir.upper() + var_orig = settings[var_name] + var_new = os.path.join(base_path_tmp, subdir) + settings[var_name] = var_new + settings.backup_changes(var_name) + shutil.copytree(var_orig, var_new, symlinks=True) + os.chmod(var_new, dir_perms) + os.chmod(base_path_tmp, dir_perms) + sys.path.insert(0, settings["PORTAGE_PYM_PATH"]) + + return self._merge(mergeroot, inforoot, myroot, myebuild=myebuild, cleanup=cleanup, mydbapi=mydbapi, prev_mtimes=prev_mtimes) - finally: - if bin_path_tmp: - bin_path_orig = self.settings["PORTAGE_BIN_PATH"] - self.settings.backup_changes("PORTAGE_BIN_PATH") - from shutil import rmtree - rmtree(bin_path_tmp) def _merge(self, mergeroot, inforoot, myroot, myebuild=None, cleanup=0, mydbapi=None, prev_mtimes=None): |