From 121ce9a6ea5282c651883e86ab212c39c6e09784 Mon Sep 17 00:00:00 2001
From: Marcin Krol <hawk@tld-linux.org>
Date: Fri, 23 Feb 2018 11:59:58 +0000
Subject: [PATCH] - backported from PLD rpm 5.x changes required to build from
 .gem sources

---
 rpm-ruby-gem-build.patch | 114 +++++++++++++++++++++++++++++++++++++++
 rpm.spec                 |   8 +--
 2 files changed, 119 insertions(+), 3 deletions(-)
 create mode 100644 rpm-ruby-gem-build.patch

diff --git a/rpm-ruby-gem-build.patch b/rpm-ruby-gem-build.patch
new file mode 100644
index 0000000..a0c2006
--- /dev/null
+++ b/rpm-ruby-gem-build.patch
@@ -0,0 +1,114 @@
+diff -urpa rpm-4.5.orig/build/parsePrep.c rpm-4.5/build/parsePrep.c
+--- rpm-4.5.orig/build/parsePrep.c	2007-11-08 00:26:48.000000000 +0000
++++ rpm-4.5/build/parsePrep.c	2018-02-23 11:51:54.161446282 +0000
+@@ -189,11 +189,13 @@ static const char *doUntar(Spec spec, in
+ {
+     const char *fn, *Lurlfn;
+     static char buf[BUFSIZ];
+-    char *taropts;
++    char taropts[8];
+     char *t = NULL;
+     struct Source *sp;
+     rpmCompressedMagic compressed = COMPRESSED_NOT;
+     int urltype;
++    const char *tar;
++    int rubygem = 0;
+ 
+     for (sp = spec->sources; sp != NULL; sp = sp->next) {
+ 	if ((sp->flags & RPMFILE_SOURCE) && (sp->num == c)) {
+@@ -205,8 +207,18 @@ static const char *doUntar(Spec spec, in
+ 	return NULL;
+     }
+ 
++    t = strrchr(sp->source, '.');
++    if(t && !strcasecmp(t, ".gem"))
++	rubygem = 1;
++
++    t = stpcpy(taropts, "-x");
+     /*@-internalglobs@*/ /* FIX: shrug */
+-    taropts = ((rpmIsVerbose() && !quietly) ? "-xvvf" : "-xf");
++    if(rpmIsVerbose() && !quietly)
++	t = stpcpy(t, "vv");
++    if(rubygem)
++	t = stpcpy(t, "m");
++
++    t = stpcpy(t, "f");
+     /*@=internalglobs@*/
+ 
+     Lurlfn = rpmGenPath(NULL, "%{_sourcedir}/", sp->source);
+@@ -233,6 +245,12 @@ static const char *doUntar(Spec spec, in
+ 	/*@notreached@*/ break;
+     }
+ 
++    tar = rpmGetPath("%{?__tar}", NULL);
++    if (!(tar && *tar != '\0')) {
++	tar = _free(tar);
++	tar = xstrdup("tar");
++    }
++
+     if (compressed != COMPRESSED_NOT) {
+ 	const char *zipper;
+ 	int needtar = 1;
+@@ -267,8 +285,13 @@ static const char *doUntar(Spec spec, in
+ 	*t++ = '\'';
+ 	t = stpcpy(t, fn);
+ 	*t++ = '\'';
+-	if (needtar)
+-	    t = stpcpy( stpcpy( stpcpy(t, " | tar "), taropts), " -");
++	if (needtar) {
++	    t = stpcpy(t, " | ");
++	    t = stpcpy(t, tar);
++	    t = stpcpy(t, " ");
++	    t = stpcpy(t, taropts);
++	    t = stpcpy(t, " -");
++	}
+ 	t = stpcpy(t,
+ 		"\n"
+ 		"STATUS=$?\n"
+@@ -277,11 +300,24 @@ static const char *doUntar(Spec spec, in
+ 		"fi");
+     } else {
+ 	buf[0] = '\0';
+-	t = stpcpy( stpcpy(buf, "tar "), taropts);
++	t = stpcpy(buf, tar);
++	t = stpcpy(t, " ");
++	t = stpcpy(t, taropts);
+ 	*t++ = ' ';
+ 	t = stpcpy(t, fn);
++	if(rubygem) {
++	    t = stpcpy(t,
++		    "\n"
++		    "if [ -f data.tar.gz ]; then\n"
++		    "  tar ");
++            t = stpcpy(t, taropts);
++	    t = stpcpy(t,
++		    " data.tar.gz\n"
++		    "fi");
++	}
+     }
+ 
++    tar = _free(tar);
+     Lurlfn = _free(Lurlfn);
+     return buf;
+ }
+@@ -390,6 +426,20 @@ static int doSetupMacro(Spec spec, char
+ 	appendLineStringBuf(spec->prep, buf);
+     }
+ 
++    /* check if source is a ruby gem */
++    {   struct Source *sp;
++	for (sp = spec->sources; sp != NULL; sp = sp->next) {
++	    if ((sp->flags & RPMFILE_SOURCE) && (sp->num == 0)) {
++		break;
++	    }
++	}
++	if (sp != NULL) {
++	    char *t = strrchr(sp->source, '.');
++	    if(t && !strcasecmp(t, ".gem"))
++		createDir = 1;
++	}
++    }
++
+     /* if necessary, create and cd into the proper dir */
+     if (createDir) {
+ 	sprintf(buf, MKDIR_P " '%s'\ncd '%s'",
diff --git a/rpm.spec b/rpm.spec
index edfc4e6..c2f5b38 100644
--- a/rpm.spec
+++ b/rpm.spec
@@ -42,7 +42,7 @@ Summary(ru.UTF-8):	Менеджер пакетов от RPM
 Summary(uk.UTF-8):	Менеджер пакетів від RPM
 Name:		rpm
 Version:	4.5
-Release:	81
+Release:	82
 License:	LGPL
 Group:		Base
 Source0:	%{name}-%{version}.tar.gz
@@ -171,8 +171,9 @@ Patch108:	%{name}-changelog_order_check_nonfatal.patch
 Patch109:	%{name}-installplatform.patch
 Patch110:	%{name}-xz.patch
 Patch111:	%{name}-shrink.patch
-Patch112:	%{name}-rubyprov.patch
-Patch113:	notrans.patch
+Patch112:	notrans.patch
+Patch113:	%{name}-rubyprov.patch
+Patch114:	%{name}-ruby-gem-build.patch
 URL:		http://rpm5.org/
 BuildRequires:	autoconf >= 2.57
 BuildRequires:	automake >= 1.4
@@ -813,6 +814,7 @@ install %{SOURCE13} scripts/perl.prov
 %patch111 -p1
 %patch112 -p1
 %patch113 -p1
+%patch114 -p1
 
 mv -f po/{sr,sr@Latn}.po
 rm -rf sqlite zlib popt
-- 
2.46.0