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bitbake: fetch2: Avoid recursive errors 

If PATH contains WORKDIR which contains PV which contains SRCPV we can end
up in circular recursion within the fetcher. This code change allows for the recursion
to be broken by giving PV a temporary dummy value in a data store copy.

(Bitbake rev: ce1e70b8018340b54dba3a81d7d379182cb77514)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie 2017-01-14 14:17:13 +00:00
parent 51abd41ff6
commit 3f8d56d113
1 changed files with 9 additions and 0 deletions
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9
bitbake/lib/bb/fetch2/__init__.py
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@ -819,6 +819,15 @@ def runfetchcmd(cmd, d, quiet=False, cleanup=None, log=None, workdir=None):
if not cleanup:
cleanup = []
# If PATH contains WORKDIR which contains PV which contains SRCPV we
# can end up in circular recursion here so give the option of breaking it
# in a data store copy.
try:
d.getVar("PV")
except bb.data_smart.ExpansionError:
d = bb.data.createCopy(d)
d.setVar("PV", "fetcheravoidrecurse")
origenv = d.getVar("BB_ORIGENV", False)
for var in exportvars:
val = d.getVar(var) or (origenv and origenv.getVar(var))