sstate.bbclass: fix errors about read-only sstate mirrors
If a read-only sstate mirror is used in conjunction with hash equiv,
then OSError will be raised when an sstate-cache hit is achieved.
This is because sstate_task_postfunc will try to "touch" the symlinks
that point to the read-only sstate mirror when sstate_report_unihash
has changed SSTATE_PKG.
This commit adds an additional exception handler to silently mask read
only rootfs errors thrown during the touch.
The fix is also duplicated to sstate_eventhandler as the code is very
similar but it may not be needed there.
Example of the error:
File: 'exec_python_func() autogenerated', lineno: 2, function: <module>
0001:
*** 0002:sstate_task_postfunc(d)
0003:
File: '/poky/meta/classes/sstate.bbclass', lineno: 774, function: sstate_task_postfunc
0770:
0771: omask = os.umask(0o002)
0772: if omask != 0o002:
0773: bb.note("Using umask 0o002 (not %0o) for sstate packaging" % omask)
*** 0774: sstate_package(shared_state, d)
0775: os.umask(omask)
0776:
0777: sstateinst = d.getVar("SSTATE_INSTDIR")
0778: d.setVar('SSTATE_FIXMEDIR', shared_state['fixmedir'])
File: '/poky/meta/classes/sstate.bbclass', lineno: 703, function: sstate_package
0699: if not os.path.exists(siginfo):
0700: bb.siggen.dump_this_task(siginfo, d)
0701: else:
0702: try:
*** 0703: os.utime(siginfo, None)
0704: except PermissionError:
0705: pass
0706:
0707: return
Exception: OSError: [Errno 30] Read-only file system
Signed-off-by: Michael Ho <Michael.Ho@bmw.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
244b3be0358a66e0cca4016fe26144e3d7323390)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
