Add macro '%-x**' containing all occurrences of the flag '-x<arg>' or…

… '-x <arg>'.

Flags are added to this macro with the flag and argument
in the original notation and separated from previous by spaces.

Fix rpm-software-management#546

docs/manual/macros.md

@@ -39,7 +39,8 @@ macros are available:
  %** all arguments (including any processed flags)
  %# the number of arguments
  %{-f} if present at invocation, the flag f itself
- %{-f*} if present at invocation, the argument to flag f
+ %{-f*} if present at invocation, the argument to the last occurence of flag f
+ %{-f**} if present at invocation, all occurrences of flag f (flag and argument, space separated) (rpm >= 4.18)
  %1, %2 the arguments themselves (after getopt(3) processing)
 ```
 

rpmio/macro.c

@@ -829,10 +829,15 @@ static void doDump(MacroBuf mb, rpmMacroEntry me, ARGV_t argv, size_t *parsed)
  rpmDumpMacroTable(mb->mc, NULL);
 }
 
+typedef struct {
+ MacroBuf mb;
+ char **argv;
+} MacroOptData;
 
 static int mbopt(int c, const char *oarg, int oint, void *data)
 {
- MacroBuf mb = data;
+ MacroOptData *optData = (MacroOptData *)data;
+ MacroBuf mb = optData->mb;
  char *name = NULL, *body = NULL;
 
  /* Define option macros. */
@@ -851,6 +856,22 @@ static int mbopt(int c, const char *oarg, int oint, void *data)
  pushMacro(mb->mc, name, NULL, oarg, mb->level, ME_AUTO | ME_LITERAL);
  free(name);
  }
+
+ char *fill = strlen(optData->argv[oint-1]) > 2 ? "" : " ";
+ rasprintf(&name, "-%c**", c);
+ rpmMacroEntry *mep = findEntry(mb->mc, name, 0, NULL);
+ if (mep && oarg)
+ rasprintf(&body, "%s -%c%s%s", (*mep)->body, c, fill, oarg);
+ else if (mep)
+ rasprintf(&body, "%s -%c", (*mep)->body, c);
+ else if (oarg)
+ rasprintf(&body, "-%c%s%s", c, fill, oarg);
+ else
+ rasprintf(&body, "-%c", c);
+ pushMacro(mb->mc, name, NULL, body, mb->level, ME_AUTO | ME_LITERAL);
+ free(name);
+ free(body);
+
  return 0;
 }
 
@@ -887,8 +908,11 @@ setupArgs(MacroBuf mb, const rpmMacroEntry me, ARGV_t argv)
  pushMacro(mb->mc, "**", NULL, args, mb->level, ME_AUTO | ME_LITERAL);
  free(args);
 
+ MacroOptData data;
+ data.mb = mb;
+ data.argv = argv;
  argc = argvCount(argv);
- ind = rgetopt(argc, argv, me->opts, mbopt, mb);
+ ind = rgetopt(argc, argv, me->opts, mbopt, &data);
 
  if (ind < 0) {
  mbErr(mb, 1, _("Unknown option %c in %s(%s)\n"), -ind,