[Rpm-maint] [rpm-software-management/rpm] Support new %[ ] expression expansion syntax (#846)

[pavlinamv]

pavlinamv commented on this pull request.



> @@ -1349,6 +1386,13 @@ expandMacro(MacroBuf mb, const char *src, size_t slen)
 	    doShellEscape(mb, s, (se - 1 - s));
 	    s = se;
 	    continue;
+	case '[':		/* %[...] expression expansion */
+	    if (mb->macro_trace)
+		printMacro(mb, s, se);
+	    s++;	/* skip ( */

```
s++;	/* skip ( */
```
->
```
s++;	/* skip [ */
```

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