| #!/bin/sh | 
 |  | 
 | test_description='test various @{X} syntax combinations together' | 
 | . ./test-lib.sh | 
 |  | 
 | check() { | 
 | test_expect_${3:-success} "$1 = $2" " | 
 | 	echo '$2' >expect && | 
 | 	git log -1 --format=%s '$1' >actual && | 
 | 	test_cmp expect actual | 
 | " | 
 | } | 
 | nonsense() { | 
 | test_expect_${2:-success} "$1 is nonsensical" " | 
 | 	test_must_fail git log -1 '$1' | 
 | " | 
 | } | 
 | fail() { | 
 | 	"$@" failure | 
 | } | 
 |  | 
 | test_expect_success 'setup' ' | 
 | 	test_commit master-one && | 
 | 	test_commit master-two && | 
 | 	git checkout -b upstream-branch && | 
 | 	test_commit upstream-one && | 
 | 	test_commit upstream-two && | 
 | 	git checkout -b old-branch && | 
 | 	test_commit old-one && | 
 | 	test_commit old-two && | 
 | 	git checkout -b new-branch && | 
 | 	test_commit new-one && | 
 | 	test_commit new-two && | 
 | 	git config branch.old-branch.remote . && | 
 | 	git config branch.old-branch.merge refs/heads/master && | 
 | 	git config branch.new-branch.remote . && | 
 | 	git config branch.new-branch.merge refs/heads/upstream-branch | 
 | ' | 
 |  | 
 | check HEAD new-two | 
 | check "@{1}" new-one | 
 | check "@{-1}" old-two | 
 | check "@{-1}@{1}" old-one | 
 | check "@{u}" upstream-two | 
 | check "@{u}@{1}" upstream-one | 
 | check "@{-1}@{u}" master-two | 
 | check "@{-1}@{u}@{1}" master-one | 
 | nonsense "@{u}@{-1}" | 
 | nonsense "@{1}@{u}" | 
 |  | 
 | test_done |