diff options
Diffstat (limited to 'refs.c')
| -rw-r--r-- | refs.c | 53 |
1 files changed, 38 insertions, 15 deletions
@@ -2,6 +2,8 @@ * The backend-independent part of the reference module. */ +#define USE_THE_REPOSITORY_VARIABLE + #include "git-compat-util.h" #include "advice.h" #include "config.h" @@ -159,7 +161,7 @@ void update_ref_namespace(enum ref_namespace namespace, char *ref) { struct ref_namespace_info *info = &ref_namespace[namespace]; if (info->ref_updated) - free(info->ref); + free((char *)info->ref); info->ref = ref; info->ref_updated = 1; } @@ -914,7 +916,7 @@ int refs_delete_ref(struct ref_store *refs, const char *msg, transaction = ref_store_transaction_begin(refs, &err); if (!transaction || ref_transaction_delete(transaction, refname, old_oid, - flags, msg, &err) || + NULL, flags, msg, &err) || ref_transaction_commit(transaction, &err)) { error("%s", err.buf); ref_transaction_free(transaction); @@ -1238,43 +1240,57 @@ int ref_transaction_update(struct ref_transaction *transaction, int ref_transaction_create(struct ref_transaction *transaction, const char *refname, const struct object_id *new_oid, + const char *new_target, unsigned int flags, const char *msg, struct strbuf *err) { - if (!new_oid || is_null_oid(new_oid)) { - strbuf_addf(err, "'%s' has a null OID", refname); + if (new_oid && new_target) + BUG("create called with both new_oid and new_target set"); + if ((!new_oid || is_null_oid(new_oid)) && !new_target) { + strbuf_addf(err, "'%s' has neither a valid OID nor a target", refname); return 1; } return ref_transaction_update(transaction, refname, new_oid, - null_oid(), NULL, NULL, flags, + null_oid(), new_target, NULL, flags, msg, err); } int ref_transaction_delete(struct ref_transaction *transaction, const char *refname, const struct object_id *old_oid, - unsigned int flags, const char *msg, + const char *old_target, + unsigned int flags, + const char *msg, struct strbuf *err) { if (old_oid && is_null_oid(old_oid)) BUG("delete called with old_oid set to zeros"); + if (old_oid && old_target) + BUG("delete called with both old_oid and old_target set"); + if (old_target && !(flags & REF_NO_DEREF)) + BUG("delete cannot operate on symrefs with deref mode"); return ref_transaction_update(transaction, refname, null_oid(), old_oid, - NULL, NULL, flags, + NULL, old_target, flags, msg, err); } int ref_transaction_verify(struct ref_transaction *transaction, const char *refname, const struct object_id *old_oid, + const char *old_target, unsigned int flags, struct strbuf *err) { - if (!old_oid) - BUG("verify called with old_oid set to NULL"); + if (!old_target && !old_oid) + BUG("verify called with old_oid and old_target set to NULL"); + if (old_oid && old_target) + BUG("verify called with both old_oid and old_target set"); + if (old_target && !(flags & REF_NO_DEREF)) + BUG("verify cannot operate on symrefs with deref mode"); return ref_transaction_update(transaction, refname, NULL, old_oid, - NULL, NULL, + NULL, old_target, flags, NULL, err); } @@ -1822,7 +1838,7 @@ const char *refs_resolve_ref_unsafe(struct ref_store *refs, failure_errno != ENOTDIR) return NULL; - oidclr(oid); + oidclr(oid, the_repository->hash_algo); if (*flags & REF_BAD_NAME) *flags |= REF_ISBROKEN; return refname; @@ -1832,7 +1848,7 @@ const char *refs_resolve_ref_unsafe(struct ref_store *refs, if (!(read_flags & REF_ISSYMREF)) { if (*flags & REF_BAD_NAME) { - oidclr(oid); + oidclr(oid, the_repository->hash_algo); *flags |= REF_ISBROKEN; } return refname; @@ -1840,7 +1856,7 @@ const char *refs_resolve_ref_unsafe(struct ref_store *refs, refname = sb_refname.buf; if (resolve_flags & RESOLVE_REF_NO_RECURSE) { - oidclr(oid); + oidclr(oid, the_repository->hash_algo); return refname; } if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { @@ -2485,7 +2501,7 @@ int refs_delete_refs(struct ref_store *refs, const char *logmsg, for_each_string_list_item(item, refnames) { ret = ref_transaction_delete(transaction, item->string, - NULL, flags, msg, &err); + NULL, NULL, flags, msg, &err); if (ret) { warning(_("could not delete reference %s: %s"), item->string, err.buf); @@ -2595,7 +2611,7 @@ static int migrate_one_ref(const char *refname, const struct object_id *oid, if (ret < 0) goto done; } else { - ret = ref_transaction_create(data->transaction, refname, oid, + ret = ref_transaction_create(data->transaction, refname, oid, NULL, REF_SKIP_CREATE_REFLOG | REF_SKIP_OID_VERIFICATION, NULL, data->errbuf); if (ret < 0) @@ -2892,3 +2908,10 @@ done: strbuf_release(&new_gitdir); return ret; } + +int ref_update_expects_existing_old_ref(struct ref_update *update) +{ + return (update->flags & REF_HAVE_OLD) && + (!is_null_oid(&update->old_oid) || update->old_target); +} + |