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refs.c: change resolve_ref_unsafe reading argument to be a flags field

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resolve_ref_unsafe takes a boolean argument for reading (a nonexistent ref
resolves successfully for writing but not for reading).  Change this to be
a flags field instead, and pass the new constant RESOLVE_REF_READING when
we want this behaviour.

While at it, swap two of the arguments in the function to put output
arguments at the end.  As a nice side effect, this ensures that we can
catch callers that were unaware of the new API so they can be audited.

Give the wrapper functions resolve_refdup and read_ref_full the same
treatment for consistency.

Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ronnie Sahlberg
2014-07-15 12:59:36 -07:00
committed by Junio C Hamano
parent aae383db8c
commit 7695d118e5
28 changed files with 124 additions and 92 deletions
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2
wt-status.c
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@ -128,7 +128,7 @@ void wt_status_prepare(struct wt_status *s)
s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
s->use_color = -1;
s->relative_paths = 1;
s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
s->branch = resolve_refdup("HEAD", 0, sha1, NULL);
s->reference = "HEAD";
s->fp = stdout;
s->index_file = get_index_file();