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bitbake: gitsm: Error out if submodule refers to parent repo

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If submodule refers to specific revision of the parent repository it
causes deadlock in bitbake locking mechanism (lock is acquired to fetch
the parent and cannot be released before all submodules are fetched).
raise FetchError in such situation to prevent deadlocking.

[Yocto 14045]

(Bitbake rev: 0361ecf7eb82c386a9842cf1f3cb706c0a112e77)

Signed-off-by: Pavel Zhukov <pavel@zhukoff.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Pavel Zhukov 2022-08-26 10:40:29 +02:00 committed by Richard Purdie
parent 9e22a3cccf
commit 0abd64b3af
1 changed files with 3 additions and 0 deletions
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3
bitbake/lib/bb/fetch2/gitsm.py
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@ -115,6 +115,9 @@ class GitSM(Git):
# This has to be a file reference
proto = "file"
url = "gitsm://" + uris[module]
if "{}{}".format(ud.host, ud.path) in url:
raise bb.fetch2.FetchError("Submodule refers to the parent repository. This will cause deadlock situation in current version of Bitbake." \
"Consider using git fetcher instead.")
url += ';protocol=%s' % proto
url += ";name=%s" % module