From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-6.0 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RCVD_IN_SORBS_SPAM, RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 4C3C7205C9 for ; Tue, 10 Jan 2017 08:49:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031292AbdAJIte (ORCPT ); Tue, 10 Jan 2017 03:49:34 -0500 Received: from mail-pf0-f193.google.com ([209.85.192.193]:35653 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031252AbdAJItb (ORCPT ); Tue, 10 Jan 2017 03:49:31 -0500 Received: by mail-pf0-f193.google.com with SMTP id f144so9039436pfa.2 for ; Tue, 10 Jan 2017 00:49:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Lr2yq4N2wEEZojq2fZkP9kiIX3i8UY39pm8SNv4hd48=; b=JLnvIRoLePL33nk6BwCLOza7cLMT3XaVJY09wX3BR5IIp8SgTKtOKkfuLGek/qpplw Zm1DRHVKJG+FUqP6ZtoGbUFl9d4sPgtjK8YZuD7IKbXLT2xr6FKk1c6h9qynu+5+i5AW 3BR7IG9+XCfXgn1Bkgd7DQf6uOIx3nuBreS2UF8Luba2igicOe3y3t5uomQii8TlOPGx b4fz0FCmgPy6S2TyvdRzUV2xJ8GzLZQkYdkrWa4ikZh0vWyfN7ZihPDDHWc7bD/RwUnt cSrAdqDUIbHj9BbutjTaqYUO0m/o//DM4Y6HCXlX/UpLUEtf+xqaUL6epw1Rv7ZjIFUA SoXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Lr2yq4N2wEEZojq2fZkP9kiIX3i8UY39pm8SNv4hd48=; b=V2oyXQO2ignnfi7fpLqhZDYLdORGxRuSLosBK2xzHskEcapSn4uCwBLZq9+nBPjRS8 PZ4Q2KCmkVVNnagF+/+8ci782QVGOT1hx1BaSUUVd/bI19FtY45eAuVYlI5sX+DAl3fb +ZYygBX7tij9dGn/RzGgCIEvvCmxGnnMw1X+PNv1MI1JM3P6k4lBfx/kZzE/rO6enqGS On+O6oKfa1BGjIcf+U825WE09Zkn+1/iWsZqg9WmeZmBzSBJVW/a4qmNWPRFeLVUf54q G4XlucQDEm7fupTePNZjGg9fWOMaZ637HGWSBo7WTUbsNXo3pbG0v43GARYk3IFpNY3Y xEuQ== X-Gm-Message-State: AIkVDXLjkIuBuhDffD0WoTn3wjacyFwXrat333vLQN8PH/Jr3DvEAmxi4MvL/a701gr3yQ== X-Received: by 10.84.237.22 with SMTP id s22mr3293582plk.163.1484038170373; Tue, 10 Jan 2017 00:49:30 -0800 (PST) Received: from AamlaJuice.corp.endurance.com ([115.110.127.198]) by smtp.gmail.com with ESMTPSA id m12sm3411983pfg.92.2017.01.10.00.49.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 10 Jan 2017 00:49:29 -0800 (PST) From: Karthik Nayak X-Google-Original-From: Karthik Nayak To: git@vger.kernel.org Cc: jacob.keller@gmail.com, gitster@pobox.com, Karthik Nayak Subject: [PATCH v10 16/20] ref-filter: add an 'rstrip=' option to atoms which deal with refnames Date: Tue, 10 Jan 2017 14:19:49 +0530 Message-Id: <20170110084953.15890-17-Karthik.188@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170110084953.15890-1-Karthik.188@gmail.com> References: <20170110084953.15890-1-Karthik.188@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Complimenting the existing 'lstrip=' option, add an 'rstrip=' option which strips `` slash-separated path components from the end of the refname (e.g., `%(refname:rstrip=2)` turns `refs/tags/foo` into `refs`). Signed-off-by: Karthik Nayak --- Documentation/git-for-each-ref.txt | 38 +++++++++++++++++++---------------- ref-filter.c | 41 ++++++++++++++++++++++++++++++++++++-- t/t6300-for-each-ref.sh | 19 ++++++++++++++++++ 3 files changed, 79 insertions(+), 19 deletions(-) diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt index 331e1fef8..08be8462c 100644 --- a/Documentation/git-for-each-ref.txt +++ b/Documentation/git-for-each-ref.txt @@ -97,11 +97,13 @@ refname:: The option core.warnAmbiguousRefs is used to select the strict abbreviation mode. If `lstrip=` is appended, strips `` slash-separated path components from the front of the refname - (e.g., `%(refname:lstrip=2)` turns `refs/tags/foo` into `foo`. + (e.g., `%(refname:lstrip=2)` turns `refs/tags/foo` into `foo` and + `%(refname:rstrip=2)` turns `refs/tags/foo` into `refs`). if `` is a negative number, then only `` path components are left behind. (e.g., `%(refname:lstrip=-2)` turns - `refs/tags/foo` into `tags/foo`). When the ref does not have - enough components, the result becomes an empty string if + `refs/tags/foo` into `tags/foo` and `%(refname:rstrip=-1)` + turns `refs/tags/foo` into `refs`). When the ref does not + have enough components, the result becomes an empty string if stripping with positive , or it becomes the full refname if stripping with negative . Neither is an error. @@ -120,22 +122,23 @@ objectname:: upstream:: The name of a local ref which can be considered ``upstream'' - from the displayed ref. Respects `:short` and `:lstrip` in the - same way as `refname` above. Additionally respects `:track` - to show "[ahead N, behind M]" and `:trackshort` to show the - terse version: ">" (ahead), "<" (behind), "<>" (ahead and - behind), or "=" (in sync). `:track` also prints "[gone]" - whenever unknown upstream ref is encountered. Append - `:track,nobracket` to show tracking information without - brackets (i.e "ahead N, behind M"). Has no effect if the ref - does not have tracking information associated with it. All - the options apart from `nobracket` are mutually exclusive, but - if used together the last option is selected. + from the displayed ref. Respects `:short`, `:lstrip` and + `:rstrip` in the same way as `refname` above. Additionally + respects `:track` to show "[ahead N, behind M]" and + `:trackshort` to show the terse version: ">" (ahead), "<" + (behind), "<>" (ahead and behind), or "=" (in sync). `:track` + also prints "[gone]" whenever unknown upstream ref is + encountered. Append `:track,nobracket` to show tracking + information without brackets (i.e "ahead N, behind M"). Has + no effect if the ref does not have tracking information + associated with it. All the options apart from `nobracket` + are mutually exclusive, but if used together the last option + is selected. push:: The name of a local ref which represents the `@{push}` location for the displayed ref. Respects `:short`, `:lstrip`, - `:track`, and `:trackshort` options as `upstream` + `:rstrip`, `:track`, and `:trackshort` options as `upstream` does. Produces an empty string if no `@{push}` ref is configured. @@ -177,8 +180,9 @@ if:: symref:: The ref which the given symbolic ref refers to. If not a - symbolic ref, nothing is printed. Respects the `:short` and - `:lstrip` options in the same way as `refname` above. + symbolic ref, nothing is printed. Respects the `:short`, + `:lstrip` and `:rstrip` options in the same way as `refname` + above. In addition to the above, for commit and tag objects, the header field names (`tree`, `parent`, `object`, `type`, and `tag`) can diff --git a/ref-filter.c b/ref-filter.c index 1cd92ea4e..dd7e751f2 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -33,8 +33,8 @@ struct if_then_else { }; struct refname_atom { - enum { R_NORMAL, R_SHORT, R_LSTRIP } option; - int lstrip; + enum { R_NORMAL, R_SHORT, R_LSTRIP, R_RSTRIP } option; + int lstrip, rstrip; }; /* @@ -95,6 +95,10 @@ static void refname_atom_parser_internal(struct refname_atom *atom, atom->option = R_LSTRIP; if (strtol_i(arg, 10, &atom->lstrip)) die(_("Integer value expected refname:lstrip=%s"), arg); + } else if (skip_prefix(arg, "rstrip=", &arg)) { + atom->option = R_RSTRIP; + if (strtol_i(arg, 10, &atom->rstrip)) + die(_("Integer value expected refname:rstrip=%s"), arg); } else die(_("unrecognized %%(%s) argument: %s"), name, arg); } @@ -1125,12 +1129,45 @@ static const char *lstrip_ref_components(const char *refname, int len) return start; } +static const char *rstrip_ref_components(const char *refname, int len) +{ + long remaining = len; + char *start = xstrdup(refname); + + if (len < 0) { + int i; + const char *p = refname; + + /* Find total no of '/' separated path-components */ + for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) + ; + /* + * The number of components we need to strip is now + * the total minus the components to be left (Plus one + * because we count the number of '/', but the number + * of components is one more than the no of '/'). + */ + remaining = i + len + 1; + } + + while (remaining-- > 0) { + char *p = strrchr(start, '/'); + if (p == NULL) + return ""; + else + p[0] = '\0'; + } + return start; +} + static const char *show_ref(struct refname_atom *atom, const char *refname) { if (atom->option == R_SHORT) return shorten_unambiguous_ref(refname, warn_ambiguous_refs); else if (atom->option == R_LSTRIP) return lstrip_ref_components(refname, atom->lstrip); + else if (atom->option == R_RSTRIP) + return rstrip_ref_components(refname, atom->rstrip); else return refname; } diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh index 203cfaa15..25a9973ce 100755 --- a/t/t6300-for-each-ref.sh +++ b/t/t6300-for-each-ref.sh @@ -55,14 +55,22 @@ test_atom head refname:lstrip=1 heads/master test_atom head refname:lstrip=2 master test_atom head refname:lstrip=-1 master test_atom head refname:lstrip=-2 heads/master +test_atom head refname:rstrip=1 refs/heads +test_atom head refname:rstrip=2 refs +test_atom head refname:rstrip=-1 refs +test_atom head refname:rstrip=-2 refs/heads test_atom head upstream refs/remotes/origin/master test_atom head upstream:short origin/master test_atom head upstream:lstrip=2 origin/master test_atom head upstream:lstrip=-2 origin/master +test_atom head upstream:rstrip=2 refs/remotes +test_atom head upstream:rstrip=-2 refs/remotes test_atom head push refs/remotes/myfork/master test_atom head push:short myfork/master test_atom head push:lstrip=1 remotes/myfork/master test_atom head push:lstrip=-1 master +test_atom head push:rstrip=1 refs/remotes/myfork +test_atom head push:rstrip=-1 refs test_atom head objecttype commit test_atom head objectsize 171 test_atom head objectname $(git rev-parse refs/heads/master) @@ -631,4 +639,15 @@ test_expect_success 'Verify usage of %(symref:lstrip) atom' ' test_cmp expected actual ' +cat >expected < actual && + git for-each-ref --format="%(symref:rstrip=-2)" refs/heads/sym >> actual && + test_cmp expected actual +' + test_done -- 2.11.0