p2000: compress repo names

By using shorter names for the test repos, we will get a slightly more
compressed performance summary without comprimising clarity.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/perf/p2000-sparse-operations.sh

@@ -52,36 +52,36 @@ test_expect_success 'setup repo and indexes' '
 		git commit -a -m "edit $SPARSE_CONE/$l2/a" || return 1
 	done &&
 
-	git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-index-v3 &&
+	git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-v3 &&
 	(
-		cd full-index-v3 &&
+		cd full-v3 &&
 		git sparse-checkout init --cone &&
 		git sparse-checkout set $SPARSE_CONE &&
 		git config index.version 3 &&
 		git update-index --index-version=3 &&
 		git checkout HEAD~4
 	) &&
-	git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-index-v4 &&
+	git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-v4 &&
 	(
-		cd full-index-v4 &&
+		cd full-v4 &&
 		git sparse-checkout init --cone &&
 		git sparse-checkout set $SPARSE_CONE &&
 		git config index.version 4 &&
 		git update-index --index-version=4 &&
 		git checkout HEAD~4
 	) &&
-	git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-index-v3 &&
+	git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-v3 &&
 	(
-		cd sparse-index-v3 &&
+		cd sparse-v3 &&
 		git sparse-checkout init --cone --sparse-index &&
 		git sparse-checkout set $SPARSE_CONE &&
 		git config index.version 3 &&
 		git update-index --index-version=3 &&
 		git checkout HEAD~4
 	) &&
-	git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-index-v4 &&
+	git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-v4 &&
 	(
-		cd sparse-index-v4 &&
+		cd sparse-v4 &&
 		git sparse-checkout init --cone --sparse-index &&
 		git sparse-checkout set $SPARSE_CONE &&
 		git config index.version 4 &&
@@ -92,8 +92,8 @@ test_expect_success 'setup repo and indexes' '
 
 test_perf_on_all () {
 	command="$@"
-	for repo in full-index-v3 full-index-v4 \
-		    sparse-index-v3 sparse-index-v4
+	for repo in full-v3 full-v4 \
+		    sparse-v3 sparse-v4
 	do
 		test_perf "$command ($repo)" "
 			(