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fetch: avoid locking issues between fetch.jobs/fetch.writeCommitGraph

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When both `fetch.jobs` and `fetch.writeCommitGraph` is set, we currently
try to write the commit graph in each of the concurrent fetch jobs,
which frequently leads to error messages like this one:

fatal: Unable to create '.../.git/objects/info/commit-graphs/commit-graph-chain.lock': File exists.

Let's avoid this by holding off from writing the commit graph until all
fetch jobs are done.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2019-11-03 00:21:57 +00:00 committed by Junio C Hamano
parent c14e6e7903
commit 7d8e72b970
1 changed files with 2 additions and 1 deletions
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3
builtin/fetch.c
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@ -1602,7 +1602,8 @@ static int fetch_multiple(struct string_list *list, int max_children)
return errcode;
}
argv_array_pushl(&argv, "fetch", "--append", "--no-auto-gc", NULL);
argv_array_pushl(&argv, "fetch", "--append", "--no-auto-gc",
"--no-write-commit-graph", NULL);
add_options_to_argv(&argv);
if (max_children != 1 && list->nr != 1) {