perf/aggregate: add --reponame option

This makes it easier to use the aggregate script
on the command line when one wants to get the
"environment" fields set in the codespeed output.

Previously setting GIT_REPO_NAME was needed
for this purpose.

Helped-by: Eric Sunshine <[email protected]>
Signed-off-by: Christian Couder <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: chriscool

t/perf/aggregate.perl

@@ -37,7 +37,7 @@ sub format_times {
 }
 
 my (@dirs, %dirnames, %dirabbrevs, %prefixes, @tests,
-    $codespeed, $subsection);
+    $codespeed, $subsection, $reponame);
 while (scalar @ARGV) {
 	my $arg = $ARGV[0];
 	my $dir;
@@ -55,6 +55,15 @@ sub format_times {
 		}
 		next;
 	}
+	if ($arg eq "--reponame") {
+		shift @ARGV;
+		$reponame = $ARGV[0];
+		shift @ARGV;
+		if (! $reponame) {
+			die "empty reponame";
+		}
+		next;
+	}
 	last if -f $arg or $arg eq "--";
 	if (! -d $arg) {
 		my $rev = Git::command_oneline(qw(rev-parse --verify), $arg);
@@ -210,7 +219,9 @@ sub print_codespeed_results {
 	}
 
 	my $environment;
-	if (exists $ENV{GIT_PERF_REPO_NAME} and $ENV{GIT_PERF_REPO_NAME} ne "") {
+	if ($reponame) {
+		$environment = $reponame;
+	} elsif (exists $ENV{GIT_PERF_REPO_NAME} and $ENV{GIT_PERF_REPO_NAME} ne "") {
 		$environment = $ENV{GIT_PERF_REPO_NAME};
 	} elsif (exists $ENV{GIT_TEST_INSTALLED} and $ENV{GIT_TEST_INSTALLED} ne "") {
 		$environment = $ENV{GIT_TEST_INSTALLED};