[PATCH] [2/2] perf: allow installing as perf-versionnumber

[Andi Kleen]

Right now installing a given perf binary as perf-versionnumber doesn't 
work because perf internally tries to dispatch a "versionnumber" command.
Add a special case to not dispatch commands starting with a digit.

Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>

---
 tools/perf/perf.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Index: linux-2.6.32-ak/tools/perf/perf.c
===================================================================
--- linux-2.6.32-ak.orig/tools/perf/perf.c
+++ linux-2.6.32-ak/tools/perf/perf.c
@@ -441,8 +441,11 @@ int main(int argc, const char **argv)
 	 *
 	 * So we just directly call the internal command handler, and
 	 * die if that one cannot handle it.
+	 *
+ 	 * A special case is a digit option: this might be perf-versionnumber
+	 * Just ignore that.
 	 */
-	if (!prefixcmp(cmd, "perf-")) {
+	if (!prefixcmp(cmd, "perf-") && !isdigit(cmd[5])) {
 		cmd += 5;
 		argv[0] = cmd;
 		handle_internal_command(argc, argv);
--
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