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refs: don't loose info on resolve error

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Typical use is git_reference_resolve(&ref, ref). Currently, if there is
an error, ref will point to NULL, causing the user to lose that
reference.

Always update resolved_ref instead of just on finding an OID ref,
storing the last valid reference in it.

This change helps simplify the code for allowing root commits.

Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
This commit is contained in:
Carlos Martín Nieto 2011-04-29 11:45:42 +02:00
parent 7c37aa3ac5
commit 68a146c1ae
1 changed files with 2 additions and 1 deletions
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3
src/refs.c
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@ -1480,8 +1480,9 @@ int git_reference_resolve(git_reference **resolved_ref, git_reference *ref)
for (i = 0; i < MAX_NESTING_LEVEL; ++i) { for (i = 0; i < MAX_NESTING_LEVEL; ++i) {
reference_symbolic *ref_sym; reference_symbolic *ref_sym;
*resolved_ref = ref;
if (ref->type & GIT_REF_OID) { if (ref->type & GIT_REF_OID) {
*resolved_ref = ref;
return GIT_SUCCESS; return GIT_SUCCESS;
} }