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diff --git a/t/t4062-diff-pickaxe.sh b/t/t4062-diff-pickaxe.sh
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+#!/bin/sh
+#
+# Copyright (c) 2016 Johannes Schindelin
+#
+
+test_description='Pickaxe options'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+ test_commit initial &&
+ printf "%04096d" 0 >4096-zeroes.txt &&
+ git add 4096-zeroes.txt &&
+ test_tick &&
+ git commit -m "A 4k file"
+'
+test_expect_success '-G matches' '
+ git diff --name-only -G "^0{4096}$" HEAD^ >out &&
+ test 4096-zeroes.txt = "$(cat out)"
+'
+
+test_done