93 lines
3.0 KiB
Diff
93 lines
3.0 KiB
Diff
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From 1f9a0e049e2db70e6fc6d630fa3c63f57517dea4 Mon Sep 17 00:00:00 2001
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From: Panu Matilainen <pmatilai@redhat.com>
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Date: Fri, 9 Oct 2020 14:43:14 +0300
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Subject: [PATCH] Allow parametric macros to opt out of option processing
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(#547)
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Macros might want to pass along options meant for others while perhaps
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modifying some of them, without exposing it all to users.
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Have "-" as the parametric macro opts string disable all options processing
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in rpm, allowing the macro to handle the raw argument list as they place.
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Fixes: #547
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(cherry picked from commit f9516434dd70cf0d5125e9e997b2c278b4fb4bf2)
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Co-Authored-By: Miro Hrončok <miro@hroncok.cz>
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---
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doc/manual/macros | 3 ++-
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rpmio/macro.c | 7 ++++++-
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tests/rpmmacro.at | 12 ++++++++++++
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3 files changed, 20 insertions(+), 2 deletions(-)
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diff --git a/doc/manual/macros b/doc/manual/macros
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index 45345d036..a33c54e03 100644
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--- a/doc/manual/macros
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+++ b/doc/manual/macros
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@@ -22,7 +22,8 @@ All whitespace surrounding \<body\> is removed. Name may be composed
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of alphanumeric characters, and the character `_' and must be at least
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3 characters in length. A macro without an (opts) field is "simple" in that
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only recursive macro expansion is performed. A parameterized macro contains
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-an (opts) field. The opts (i.e. string between parentheses) is passed
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+an (opts) field. "-" as opts disables all option processing, otherwise
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+the opts (i.e. string between parentheses) are passed
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exactly as is to getopt(3) for argc/argv processing at the beginning of
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a macro invocation. While a parameterized macro is being expanded, the
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following shell-like macros are available:
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diff --git a/rpmio/macro.c b/rpmio/macro.c
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index 35d896049..490bf9a6a 100644
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--- a/rpmio/macro.c
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+++ b/rpmio/macro.c
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@@ -910,6 +910,7 @@ grabArgs(MacroBuf mb, const rpmMacroEntry me, const char * se,
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ARGV_t argv = NULL;
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int argc = 0;
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int c;
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+ int run;
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/*
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* Prepare list of call arguments, starting with macro name as argv[0].
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@@ -960,8 +961,12 @@ grabArgs(MacroBuf mb, const rpmMacroEntry me, const char * se,
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opts = me->opts;
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argc = argvCount(argv);
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+ /* If option processing is disabled, the while below will be skipped */
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+ run = strcmp(opts, "-");
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+ if (!run)
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+ optind = 1;
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/* Define option macros. */
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- while ((c = getopt(argc, argv, opts)) != -1)
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+ while (run && (c = getopt(argc, argv, opts)) != -1)
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{
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char *name = NULL, *body = NULL;
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if (c == '?' || strchr(opts, c) == NULL) {
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diff --git a/tests/rpmmacro.at b/tests/rpmmacro.at
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index 873783153..faafb170d 100644
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--- a/tests/rpmmacro.at
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+++ b/tests/rpmmacro.at
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@@ -198,6 +198,18 @@ bar' \
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])
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AT_CLEANUP
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+AT_SETUP([parametrized macro 6])
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+AT_KEYWORDS([macros])
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+AT_CHECK([
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+runroot rpm \
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+ --define '%foo(-) %{*}' \
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+ --eval '%foo 5 a -z -b2'
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+],
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+[0],
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+[5 a -z -b2
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+])
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+AT_CLEANUP
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+
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AT_SETUP([uncompress macro 1])
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AT_KEYWORDS([macros])
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AT_CHECK([
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--
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2.47.1
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