From d14ecfe587efbe80e5534161dbd3a4f7158b4e2b Mon Sep 17 00:00:00 2001
From: Lubos Kardos <lkardos@redhat.com>
Date: Mon, 27 Jul 2015 11:22:19 +0200
Subject: [PATCH] Enable {} expansion in rpmGlob() (rhbz:1246743)

---
 rpmio/rpmglob.c | 42 ++++++++++++++++++++++++++++++++----------
 1 file changed, 32 insertions(+), 10 deletions(-)

diff --git a/rpmio/rpmglob.c b/rpmio/rpmglob.c
index 4fc106d..597ac5c 100644
--- a/rpmio/rpmglob.c
+++ b/rpmio/rpmglob.c
@@ -150,7 +150,7 @@ static inline const char *next_brace_sub(const char *begin)
     return cp;
 }
 
-static int __glob_pattern_p(const char *pattern, int quote);
+static int __glob_pattern_p(const char *pattern, int flags);
 
 /* Do glob searching for PATTERN, placing results in PGLOB.
    The bits defined above may be set in FLAGS.
@@ -419,7 +419,7 @@ glob(const char *pattern, int flags,
 	return GLOB_NOMATCH;
     }
 
-    if (__glob_pattern_p(dirname, !(flags & GLOB_NOESCAPE))) {
+    if (__glob_pattern_p(dirname, flags)) {
 	/* The directory name contains metacharacters, so we
 	   have to glob for the directory, and then glob for
 	   the pattern in each directory found.  */
@@ -646,10 +646,11 @@ static int prefix_array(const char *dirname, char **array, size_t n)
 
 /* Return nonzero if PATTERN contains any metacharacters.
    Metacharacters can be quoted with backslashes if QUOTE is nonzero.  */
-static int __glob_pattern_p(const char *pattern, int quote)
+static int __glob_pattern_p(const char *pattern, int flags)
 {
     register const char *p;
-    int open = 0;
+    int openBrackets = 0;
+    int openBraces = 0;
 
     for (p = pattern; *p != '\0'; ++p)
 	switch (*p) {
@@ -658,18 +659,29 @@ static int __glob_pattern_p(const char *pattern, int quote)
 	    return 1;
 
 	case '\\':
-	    if (quote && p[1] != '\0')
+	    if (!(flags & GLOB_NOESCAPE) && p[1] != '\0')
 		++p;
 	    break;
 
 	case '[':
-	    open = 1;
+	    openBrackets = 1;
 	    break;
 
 	case ']':
-	    if (open)
+	    if (openBrackets)
 		return 1;
 	    break;
+
+	case '{':
+	    if (flags & GLOB_BRACE)
+		openBraces = 1;
+	    break;
+
+	case '}':
+	    if (openBraces)
+		return 1;
+	    break;
+
 	}
 
     return 0;
@@ -694,7 +706,7 @@ glob_in_dir(const char *pattern, const char *directory, int flags,
     int meta;
     int save;
 
-    meta = __glob_pattern_p(pattern, !(flags & GLOB_NOESCAPE));
+    meta = __glob_pattern_p(pattern, flags);
     if (meta == 0) {
 	if (flags & (GLOB_NOCHECK | GLOB_NOMAGIC))
 	    /* We need not do any tests.  The PATTERN contains no meta
@@ -844,6 +856,8 @@ int rpmGlob(const char * patterns, int * argcPtr, ARGV_t * argvPtr)
     int i, j;
     int rc;
 
+    gflags |= GLOB_BRACE;
+
     if (home != NULL && strlen(home) > 0) 
 	gflags |= GLOB_TILDE;
 
@@ -874,7 +888,9 @@ int rpmGlob(const char * patterns, int * argcPtr, ARGV_t * argvPtr)
 	int dir_only = (plen > 0 && path[plen-1] == '/');
 	glob_t gl;
 
-	if (!local || (!rpmIsGlob(av[j], 0) && strchr(path, '~') == NULL)) {
+	if (!local || (!rpmIsGlob(av[j], GLOB_NOESCAPE | flags) &&
+	    strchr(path, '~') == NULL)) {
+
 	    argvAdd(&argv, av[j]);
 	    continue;
 	}
@@ -966,5 +982,11 @@ exit:
 
 int rpmIsGlob(const char * pattern, int quote)
 {
-    return __glob_pattern_p(pattern, quote);
+    int flags = 0;
+    if (!quote) {
+	flags |= GLOB_NOESCAPE;
+    }
+    flags |= GLOB_BRACE;
+
+    return __glob_pattern_p(pattern, flags);
 }
-- 
1.9.3