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change git_config() return value to void

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Currently `git_config()` returns an integer signifying an error code.
During rewrites of the function most of the code was shifted to
`git_config_with_options()`. `git_config_with_options()` normally
returns positive values if its `config_source` parameter is set as NULL,
as most errors are fatal, and non-fatal potential errors are guarded
by "if" statements that are entered only when no error is possible.

Still a negative value can be returned in case of race condition between
`access_or_die()` & `git_config_from_file()`. Also, all callers of
`git_config()` ignore the return value except for one case in branch.c.

Change `git_config()` return value to void and make it die if it receives
a negative value from `git_config_with_options()`.

Original-patch-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Tanay Abhra
2014-08-07 04:59:15 -07:00
committed by Junio C Hamano
parent 3df8fd625f
commit aace438502
3 changed files with 16 additions and 7 deletions
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5
branch.c
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@ -161,10 +161,7 @@ int read_branch_desc(struct strbuf *buf, const char *branch_name)
strbuf_addf(&name, "branch.%s.description", branch_name);
cb.config_name = name.buf;
cb.value = NULL;
if (git_config(read_branch_desc_cb, &cb) < 0) {
strbuf_release(&name);
return -1;
}
git_config(read_branch_desc_cb, &cb);
if (cb.value)
strbuf_addstr(buf, cb.value);
strbuf_release(&name);