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git-submodule.sh: setup uninitialized variables 

We have an environment variable `jobs=16` defined in our CI system, and
this environment makes our build job failed with the following message:

    error: pathspec '16' did not match any file(s) known to git

The pathspec '16' for Git command is from the environment variable
"jobs".

This is because "git-submodule" command is implemented in shell script,
and environment variables may change its behavior.  Set values for
uninitialized variables, such as "jobs" and "recommend_shallow" will
fix this issue.

Helped-by: Jiang Xin <worldhello.net@gmail.com>
Signed-off-by: Li Xuejiang <xuejiang@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Li Xuejiang 2020-04-02 16:42:51 +08:00 committed by Junio C Hamano
parent d0654dc308
commit 65d100c4dd
1 changed files with 2 additions and 0 deletions
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git-submodule.sh
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@ -47,6 +47,8 @@ custom_name=
depth=
progress=
dissociate=
jobs=
recommend_shallow=

die_if_unmatched ()
{