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clone: bsd shell portability fix
authorJeff King <redacted>
Tue, 13 May 2008 08:45:56 +0000 (04:45 -0400)
committerJunio C Hamano <redacted>
Wed, 14 May 2008 04:45:28 +0000 (21:45 -0700)
commit6d9878cc60ba97fc99aa92f40535644938cad907
tree2fd3e0dced8c32eb9639abcbb771f8eee51b085ctree | snapshot
parent30684dfaf8cf96e5afc01668acc01acc0ade59dbcommit | diff
clone: bsd shell portability fix

When using /bin/sh from FreeBSD 6.1, the value of $? is lost
when calling a function inside the 'trap' action. This
resulted in clone erroneously indicating success when it
should have reported failure.

As a workaround, we save the value of $? before calling any
functions.

Signed-off-by: Jeff King <redacted>
Signed-off-by: Junio C Hamano <redacted>
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