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commit: support a root commits

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A root commit is a commit whose branch (usually what HEAD points to)
doesn't exist (yet). This situation can happen when the commit is the
first after 1) a repository is initialized or 2) a orphan checkout has
been performed.

Take this opportunity to remove the symbolic link check, as
git_reference_resolve works on OID refs as well.

Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
This commit is contained in:
Carlos Martín Nieto 2011-04-27 14:59:59 +02:00
parent 68a146c1ae
commit 8381238e00
1 changed files with 11 additions and 2 deletions
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13
src/commit.c
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@ -224,9 +224,18 @@ int git_commit_create(
if (error < GIT_SUCCESS)
return error;
if (git_reference_type(head) == GIT_REF_SYMBOLIC) {
if ((error = git_reference_resolve(&head, head)) < GIT_SUCCESS)
error = git_reference_resolve(&head, head);
if (error < GIT_SUCCESS) {
if (error != GIT_ENOTFOUND)
return error;
/*
* The target of the reference was not found. This can happen
* just after a repository has been initialized (the master
* branch doesn't exist yet, as it doesn't have anything to
* point to) or after an orphan checkout, so if the target
* branch doesn't exist yet, create it and return.
*/
return git_reference_create_oid_f(&head, repo, git_reference_target(head), oid);
}
error = git_reference_set_oid(head, oid);