From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Turner Subject: [PATCH 26/43] refs.c: move peel_object to the common code Date: Wed, 2 Sep 2015 21:54:56 -0400 Message-ID: <1441245313-11907-27-git-send-email-dturner@twopensource.com> References: <1441245313-11907-1-git-send-email-dturner@twopensource.com> Cc: David Turner To: git@vger.kernel.org, mhagger@alum.mit.edu X-From: git-owner@vger.kernel.org Thu Sep 03 03:57:11 2015 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZXJlz-0006yC-45 for gcvg-git-2@plane.gmane.org; Thu, 03 Sep 2015 03:57:07 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932375AbbICB4H (ORCPT ); Wed, 2 Sep 2015 21:56:07 -0400 Received: from mail-qk0-f180.google.com ([209.85.220.180]:34992 "EHLO mail-qk0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932354AbbICB4B (ORCPT ); Wed, 2 Sep 2015 21:56:01 -0400 Received: by qkcj187 with SMTP id j187so15701223qkc.2 for ; Wed, 02 Sep 2015 18:56:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=77ffq//sDdi5I+95JXCdRps5fGKKWnBwTd1zwKPbAxE=; b=c7RgCsjlgRRJ8gCZn5dYWtZiK50s7R8YxewmxDJHX798DNKjZN1U5RzExVG5eRIEUd UXQRXDUDT1HMcAQb3YlrgdGYsnRK+gAa9lRGFFczpd54xwxleMgn/zwvy++UU+OwuUQd mUSsGA4y+sBhDjYRQqmiyz8uqJrC31jvTBBpnh6wjI7SO00qvtqk0zWrkMvDnacEcdqc vjRjBy/9LQA7gwP5xJKZZ/nuHliMNSg+PTPkFlAegjVM4PmXSLOaABrd5mnXN6Wlcqbm cfho9j5+K4qkK3Z6/CNojew0lUkaZLLyRHAp2SuHthMz0P7TZEVHmu7kqvCI2YlVzj6y hGqw== X-Gm-Message-State: ALoCoQlf1AWw8oAPDTtV0LjDQFn5XCE04ql/SDed8c6c4UPM32LIXSiQ+Lc6PJRNYkxz+9WSeTmy X-Received: by 10.55.221.199 with SMTP id u68mr32611545qku.83.1441245361165; Wed, 02 Sep 2015 18:56:01 -0700 (PDT) Received: from ubuntu.jfk4.office.twttr.net ([192.133.79.145]) by smtp.gmail.com with ESMTPSA id 95sm11108155qgt.12.2015.09.02.18.56.00 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 02 Sep 2015 18:56:00 -0700 (PDT) X-Mailer: git-send-email 2.0.4.315.gad8727a-twtrsrc In-Reply-To: <1441245313-11907-1-git-send-email-dturner@twopensource.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: This function does not contain any backend specific code so we move it to the common code. Signed-off-by: David Turner --- refs-be-files.c | 53 ----------------------------------------------------- refs.c | 31 +++++++++++++++++++++++++++++++ refs.h | 27 +++++++++++++++++++++++++++ 3 files changed, 58 insertions(+), 53 deletions(-) diff --git a/refs-be-files.c b/refs-be-files.c index bb208a5..657b58f 100644 --- a/refs-be-files.c +++ b/refs-be-files.c @@ -1648,59 +1648,6 @@ static const char *files_resolve_ref_unsafe(const char *refname, return ret; } -enum peel_status { - /* object was peeled successfully: */ - PEEL_PEELED = 0, - - /* - * object cannot be peeled because the named object (or an - * object referred to by a tag in the peel chain), does not - * exist. - */ - PEEL_INVALID = -1, - - /* object cannot be peeled because it is not a tag: */ - PEEL_NON_TAG = -2, - - /* ref_entry contains no peeled value because it is a symref: */ - PEEL_IS_SYMREF = -3, - - /* - * ref_entry cannot be peeled because it is broken (i.e., the - * symbolic reference cannot even be resolved to an object - * name): - */ - PEEL_BROKEN = -4 -}; - -/* - * Peel the named object; i.e., if the object is a tag, resolve the - * tag recursively until a non-tag is found. If successful, store the - * result to sha1 and return PEEL_PEELED. If the object is not a tag - * or is not valid, return PEEL_NON_TAG or PEEL_INVALID, respectively, - * and leave sha1 unchanged. - */ -static enum peel_status peel_object(const unsigned char *name, unsigned char *sha1) -{ - struct object *o = lookup_unknown_object(name); - - if (o->type == OBJ_NONE) { - int type = sha1_object_info(name, NULL); - if (type < 0 || !object_as_type(o, type, 0)) - return PEEL_INVALID; - } - - if (o->type != OBJ_TAG) - return PEEL_NON_TAG; - - o = deref_tag_noverify(o); - if (!o) - return PEEL_INVALID; - - hashcpy(sha1, o->sha1); - return PEEL_PEELED; -} - /* * Peel the entry (if possible) and return its new peel_status. If * repeel is true, re-peel the entry even if there is an old peeled diff --git a/refs.c b/refs.c index fdd1b50..77aa51d 100644 --- a/refs.c +++ b/refs.c @@ -4,6 +4,9 @@ #include "cache.h" #include "refs.h" #include "lockfile.h" +#include "object.h" +#include "tag.h" + /* * We always have a files backend and it is the default. */ @@ -951,6 +954,34 @@ int refname_is_safe(const char *refname) return 1; } +/* + * Peel the named object; i.e., if the object is a tag, resolve the + * tag recursively until a non-tag is found. If successful, store the + * result to sha1 and return PEEL_PEELED. If the object is not a tag + * or is not valid, return PEEL_NON_TAG or PEEL_INVALID, respectively, + * and leave sha1 unchanged. + */ +enum peel_status peel_object(const unsigned char *name, unsigned char *sha1) +{ + struct object *o = lookup_unknown_object(name); + + if (o->type == OBJ_NONE) { + int type = sha1_object_info(name, NULL); + if (type < 0 || !object_as_type(o, type, 0)) + return PEEL_INVALID; + } + + if (o->type != OBJ_TAG) + return PEEL_NON_TAG; + + o = deref_tag_noverify(o); + if (!o) + return PEEL_INVALID; + + hashcpy(sha1, o->sha1); + return PEEL_PEELED; +} + /* backend functions */ struct ref_transaction *ref_transaction_begin(struct strbuf *err) { diff --git a/refs.h b/refs.h index 049f2c7..0eab5e2 100644 --- a/refs.h +++ b/refs.h @@ -76,6 +76,33 @@ extern int is_branch(const char *refname); */ extern int peel_ref(const char *refname, unsigned char *sha1); +enum peel_status { + /* object was peeled successfully: */ + PEEL_PEELED = 0, + + /* + * object cannot be peeled because the named object (or an + * object referred to by a tag in the peel chain), does not + * exist. + */ + PEEL_INVALID = -1, + + /* object cannot be peeled because it is not a tag: */ + PEEL_NON_TAG = -2, + + /* ref_entry contains no peeled value because it is a symref: */ + PEEL_IS_SYMREF = -3, + + /* + * ref_entry cannot be peeled because it is broken (i.e., the + * symbolic reference cannot even be resolved to an object + * name): + */ + PEEL_BROKEN = -4 +}; + +enum peel_status peel_object(const unsigned char *name, unsigned char *sha1); + /** * Resolve refname in the nested "gitlink" repository that is located * at path. If the resolution is successful, return 0 and set sha1 to -- 2.0.4.315.gad8727a-twtrsrc