Add global and system-wide gitattributes

diff --git a/t/t2012-checkout-last.sh b/t/t2012-checkout-last.sh
index 320f6eb2be6c1e3ee0a0fbf4b7e478b626415387..b44de9dc623fc923941b61719f445170602e21be 100755 (executable)
--- a/t/t2012-checkout-last.sh
+++ b/t/t2012-checkout-last.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-test_description='checkout can switch to last branch'
+test_description='checkout can switch to last branch and merge base'
 
 . ./test-lib.sh
 
@@ -47,4 +47,73 @@ test_expect_success '"checkout -" detaches again' '
        test_must_fail git symbolic-ref HEAD
 '
 
+test_expect_success 'more switches' '
+       for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
+       do
+               git checkout -b branch$i
+       done
+'
+
+more_switches () {
+       for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
+       do
+               git checkout branch$i
+       done
+}
+
+test_expect_success 'switch to the last' '
+       more_switches &&
+       git checkout @{-1} &&
+       test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch2"
+'
+
+test_expect_success 'switch to second from the last' '
+       more_switches &&
+       git checkout @{-2} &&
+       test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch3"
+'
+
+test_expect_success 'switch to third from the last' '
+       more_switches &&
+       git checkout @{-3} &&
+       test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch4"
+'
+
+test_expect_success 'switch to fourth from the last' '
+       more_switches &&
+       git checkout @{-4} &&
+       test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch5"
+'
+
+test_expect_success 'switch to twelfth from the last' '
+       more_switches &&
+       git checkout @{-12} &&
+       test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch13"
+'
+
+test_expect_success 'merge base test setup' '
+       git checkout -b another other &&
+       echo "hello again" >>world &&
+       git add world &&
+       git commit -m third
+'
+
+test_expect_success 'another...master' '
+       git checkout another &&
+       git checkout another...master &&
+       test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify master^)"
+'
+
+test_expect_success '...master' '
+       git checkout another &&
+       git checkout ...master &&
+       test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify master^)"
+'
+
+test_expect_success 'master...' '
+       git checkout another &&
+       git checkout master... &&
+       test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify master^)"
+'
+
 test_done