From mboxrd@z Thu Jan 1 00:00:00 1970 From: Karthik Nayak Subject: [PATCH v5 10/16] ref-filter: introduce symref_atom_parser() and refname_atom_parser() Date: Sat, 23 Apr 2016 00:34:01 +0530 Message-ID: <1461351847-22903-11-git-send-email-Karthik.188@gmail.com> References: <1461351847-22903-1-git-send-email-Karthik.188@gmail.com> Cc: jacob.keller@gmail.com, gitster@pobox.com, peff@peff.net, Karthik Nayak To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Fri Apr 22 21:05:18 2016 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 1atgOD-0008Ub-Fv for gcvg-git-2@plane.gmane.org; Fri, 22 Apr 2016 21:05:18 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753091AbcDVTFK (ORCPT ); Fri, 22 Apr 2016 15:05:10 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:36807 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753041AbcDVTFG (ORCPT ); Fri, 22 Apr 2016 15:05:06 -0400 Received: by mail-pf0-f196.google.com with SMTP id p185so10496546pfb.3 for ; Fri, 22 Apr 2016 12:05:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=IaDEyWbJCrMbaEUd5WVnqKpzZj+m/CQ5dimkOECPZbw=; b=HeFzVPR3rxgXnw1kVAXUUUByGK8hA3PQOfJ0lzR4dnrUQN74T2vODwEdfLrWfLwVzQ fSXeK64p/nYIp4fgj7LtIAwsfjbcoAl4vb+Jmj20SXzZU+zgQpvlgsupF/9K31orHwpo YMnIFcSczIpVug+HpdyMjctaydebV2sDkmnlUTV/sIDMovLW8I2ikb/DS5SzdzwUS7Un wIZZLEY0gpalt4n8Mf8ek30OrphKSvYJs088N7LOqRQzldA6U9I1bdwcSqorThJlOlH7 7fK1zZP7zV2/bz3jDmMpFG29Z3V1qemKSefHHvGR07FnUs/MkM7pF6KhX/FMbEnXuCK8 jjHA== 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=IaDEyWbJCrMbaEUd5WVnqKpzZj+m/CQ5dimkOECPZbw=; b=F8HTjq9FUiwdlrvoq0KQni/wL9g5KZ4a9jy9jhP/7pKBrzVLYEiVQWdNIOUEciTFkV ZaFX7TP5+XqSZ8Jb9cipwkSq2C2IFMLMvzbkCTSdH4F/Fnqb49j9nVQrw4EE9fN6swas X5o5ZUL2dQzmuuZ/qdIxPf6kBMeJ+N5SsvLL7luPSIsix0JwoqGzcDDgjZDUxnyJlxJy XyRh0rM69TCUop1uwvPgsrc2Qgksn8gxk3mbLzOSAZ+J/Np/uFNSxg0MqK2kI57F3tdP plqzZFJ6PeB/de3kuB52Hv+U07XrWnffWZ3hJrF8NyhcF4tA/9gtyZe0wVXmRcS3uFWU UkNQ== X-Gm-Message-State: AOPr4FXFSkqiyhp0P+oZwOTjp5tLTDDbeersWGqu8kj9OLbwc4nBzFr5IYte4gwvTrTVhQ== X-Received: by 10.98.80.206 with SMTP id g75mr30654170pfj.127.1461351905665; Fri, 22 Apr 2016 12:05:05 -0700 (PDT) Received: from ashley.localdomain ([106.216.186.206]) by smtp.gmail.com with ESMTPSA id t1sm11266470paa.17.2016.04.22.12.05.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 22 Apr 2016 12:05:05 -0700 (PDT) X-Google-Original-From: Karthik Nayak X-Mailer: git-send-email 2.8.0 In-Reply-To: <1461351847-22903-1-git-send-email-Karthik.188@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Using refname_atom_parser_internal(), introduce symref_atom_parser() and refname_atom_parser() which will parse the atoms %(symref) and %(refname) respectively. Store the parsed information into the 'used_atom' structure based on the modifiers used along with the atoms. Now the '%(symref)' atom supports the ':strip' atom modifier. Update the Documentation and tests to reflect this. Helped-by: Jeff King Signed-off-by: Karthik Nayak --- Documentation/git-for-each-ref.txt | 5 +++ ref-filter.c | 78 ++++++++++++++++++++++---------------- t/t6300-for-each-ref.sh | 9 +++++ 3 files changed, 59 insertions(+), 33 deletions(-) diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt index 5c85f27..e0c0a12 100644 --- a/Documentation/git-for-each-ref.txt +++ b/Documentation/git-for-each-ref.txt @@ -163,6 +163,11 @@ if:: the value between the %(if:...) and %(then) atoms with the given string. +symref:: + The ref which the given symbolic ref refers to. If not a + symbolic ref, nothing is printed. Respects the `:short` and + `:strip` 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 be used to specify the value in the header field. diff --git a/ref-filter.c b/ref-filter.c index 778fe02..933f8ca 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -176,6 +176,16 @@ static void objectname_atom_parser(struct used_atom *atom, const char *arg) die(_("unrecognized %%(objectname) argument: %s"), arg); } +static void symref_atom_parser(struct used_atom *atom, const char *arg) +{ + return refname_atom_parser_internal(&atom->u.refname, arg, atom->name); +} + +static void refname_atom_parser(struct used_atom *atom, const char *arg) +{ + return refname_atom_parser_internal(&atom->u.refname, arg, atom->name); +} + static align_type parse_align_position(const char *s) { if (!strcmp(s, "right")) @@ -244,7 +254,7 @@ static struct { cmp_type cmp_type; void (*parser)(struct used_atom *atom, const char *arg); } valid_atom[] = { - { "refname" }, + { "refname" , FIELD_STR, refname_atom_parser }, { "objecttype" }, { "objectsize", FIELD_ULONG }, { "objectname", FIELD_STR, objectname_atom_parser }, @@ -273,7 +283,7 @@ static struct { { "contents", FIELD_STR, contents_atom_parser }, { "upstream", FIELD_STR, remote_ref_atom_parser }, { "push", FIELD_STR, remote_ref_atom_parser }, - { "symref" }, + { "symref", FIELD_STR, symref_atom_parser }, { "flag" }, { "HEAD" }, { "color", FIELD_STR, color_atom_parser }, @@ -1058,21 +1068,16 @@ static inline char *copy_advance(char *dst, const char *src) return dst; } -static const char *strip_ref_components(const char *refname, const char *nr_arg) +static const char *strip_ref_components(const char *refname, unsigned int len) { - char *end; - long nr = strtol(nr_arg, &end, 10); - long remaining = nr; + long remaining = len; const char *start = refname; - if (nr < 1 || *end != '\0') - die(_(":strip= requires a positive integer argument")); - while (remaining) { switch (*start++) { case '\0': - die(_("ref '%s' does not have %ld components to :strip"), - refname, nr); + die(_("ref '%s' does not have %ud components to :strip"), + refname, len); case '/': remaining--; break; @@ -1081,6 +1086,16 @@ static const char *strip_ref_components(const char *refname, const char *nr_arg) 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_STRIP) + return strip_ref_components(refname, atom->strip); + else + return refname; +} + static void fill_remote_ref_details(struct used_atom *atom, const char *refname, struct branch *branch, const char **s) { @@ -1153,6 +1168,21 @@ char *get_head_description(void) return strbuf_detach(&desc, NULL); } +static const char *get_symref(struct used_atom *atom, struct ref_array_item *ref) +{ + if (!ref->symref) + return ""; + else + return show_ref(&atom->u.refname, ref->symref); +} + +static const char *get_refname(struct used_atom *atom, struct ref_array_item *ref) +{ + if (ref->kind & FILTER_REFS_DETACHED_HEAD) + return get_head_description(); + return show_ref(&atom->u.refname, ref->refname); +} + /* * Parse the object referred by ref, and grab needed value. */ @@ -1181,7 +1211,6 @@ static void populate_value(struct ref_array_item *ref) struct atom_value *v = &ref->value[i]; int deref = 0; const char *refname; - const char *formatp; struct branch *branch = NULL; v->handler = append_atom; @@ -1192,12 +1221,10 @@ static void populate_value(struct ref_array_item *ref) name++; } - if (starts_with(name, "refname")) { - refname = ref->refname; - if (ref->kind & FILTER_REFS_DETACHED_HEAD) - refname = get_head_description(); - } else if (starts_with(name, "symref")) - refname = ref->symref ? ref->symref : ""; + if (starts_with(name, "refname")) + refname = get_refname(atom, ref); + else if (starts_with(name, "symref")) + refname = get_symref(atom, ref); else if (starts_with(name, "upstream")) { const char *branch_name; /* only local branches may have an upstream */ @@ -1273,21 +1300,6 @@ static void populate_value(struct ref_array_item *ref) } else continue; - formatp = strchr(name, ':'); - if (formatp) { - const char *arg; - - formatp++; - if (!strcmp(formatp, "short")) - refname = shorten_unambiguous_ref(refname, - warn_ambiguous_refs); - else if (skip_prefix(formatp, "strip=", &arg)) - refname = strip_ref_components(refname, arg); - else - die(_("unknown %.*s format %s"), - (int)(formatp - name), name, formatp); - } - if (!deref) v->s = refname; else diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh index b06ea1c..3d28234 100755 --- a/t/t6300-for-each-ref.sh +++ b/t/t6300-for-each-ref.sh @@ -589,4 +589,13 @@ test_expect_success 'Verify usage of %(symref:short) atom' ' test_cmp expected actual ' +cat >expected < actual && + test_cmp expected actual +' + test_done -- 2.8.0