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submodule.c: describe submodule_to_gitdir() in a new comment

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Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Han-Wen Nienhuys 2017-09-25 17:59:26 +02:00 committed by Junio C Hamano
parent 28996cec80
commit 3ce08548bb
1 changed files with 4 additions and 0 deletions
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submodule.c
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@ -1997,6 +1997,10 @@ const char *get_superproject_working_tree(void)
return ret; return ret;
} }
/*
* Put the gitdir for a submodule (given relative to the main
* repository worktree) into `buf`, or return -1 on error.
*/
int submodule_to_gitdir(struct strbuf *buf, const char *submodule) int submodule_to_gitdir(struct strbuf *buf, const char *submodule)
{ {
const struct submodule *sub; const struct submodule *sub;