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submodule.c: report the submodule that an error occurs in

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When an error occurs in updating the working tree of a submodule in
submodule_move_head, tell the user which submodule the error occurred in.

The call to read-tree contains a super-prefix, such that the read-tree
will correctly report any path related issues, but some error messages
do not contain a path, for example:

  ~/gerrit$ git checkout --recurse-submodules origin/master
  ~/gerrit$ fatal: failed to unpack tree object 07672f31880ba80300b38492df9d0acfcd6ee00a

Give the hint which submodule has a problem.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller
2018-06-20 15:32:53 -07:00
committed by Junio C Hamano
parent a42a58d7b6
commit ba95d4e4bd
2 changed files with 3 additions and 2 deletions
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3
t/lib-submodule-update.sh
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@ -781,7 +781,8 @@ test_submodule_recursing_with_args_common() {
(
cd submodule_update &&
git branch -t invalid_sub1 origin/invalid_sub1 &&
test_must_fail $command invalid_sub1 &&
test_must_fail $command invalid_sub1 2>err &&
test_i18ngrep sub1 err &&
test_superproject_content origin/add_sub1 &&
test_submodule_content sub1 origin/add_sub1
)