diff options
Diffstat (limited to 'lib/bb/fetch2/__init__.py')
| -rw-r--r-- | lib/bb/fetch2/__init__.py | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/bb/fetch2/__init__.py b/lib/bb/fetch2/__init__.py index cd7362c44..f36f01a70 100644 --- a/lib/bb/fetch2/__init__.py +++ b/lib/bb/fetch2/__init__.py @@ -967,7 +967,14 @@ def try_mirror_url(fetch, origud, ud, ld, check = False): open(ud.donestamp, 'w').close() dest = os.path.join(dldir, os.path.basename(ud.localpath)) if not os.path.exists(dest): - os.symlink(ud.localpath, dest) + # In case this is executing without any file locks held (as is + # the case for file:// URLs), two tasks may end up here at the + # same time, in which case we do not want the second task to + # fail when the link has already been created by the first task. + try: + os.symlink(ud.localpath, dest) + except FileExistsError: + pass if not verify_donestamp(origud, ld) or origud.method.need_update(origud, ld): origud.method.download(origud, ld) if hasattr(origud.method,"build_mirror_data"): @@ -979,7 +986,11 @@ def try_mirror_url(fetch, origud, ud, ld, check = False): # Broken symbolic link os.unlink(origud.localpath) - os.symlink(ud.localpath, origud.localpath) + # As per above, in case two tasks end up here simultaneously. + try: + os.symlink(ud.localpath, origud.localpath) + except FileExistsError: + pass update_stamp(origud, ld) return ud.localpath |