. ./test-lib.sh
check() {
-test_expect_${3:-success} "$1 = $2" "
- echo '$2' >expect &&
- git log -1 --format=%s '$1' >actual &&
- test_cmp expect actual
-"
+ test_expect_${4:-success} "$1 = $3" "
+ echo '$3' >expect &&
+ if test '$2' = 'commit'
+ then
+ git log -1 --format=%s '$1' >actual
+ else
+ git rev-parse --symbolic-full-name '$1' >actual
+ fi &&
+ test_cmp expect actual
+ "
}
+
nonsense() {
-test_expect_${2:-success} "$1 is nonsensical" "
- test_must_fail git log -1 '$1'
-"
+ test_expect_${2:-success} "$1 is nonsensical" "
+ test_must_fail git rev-parse --verify '$1'
+ "
}
+
fail() {
"$@" failure
}
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
+ git branch -u master old-branch &&
+ git branch -u upstream-branch new-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
+check HEAD ref refs/heads/new-branch
+check "@{1}" commit new-one
+check "HEAD@{1}" commit new-one
+check "@{now}" commit new-two
+check "HEAD@{now}" commit new-two
+check "@{-1}" ref refs/heads/old-branch
+check "@{-1}@{0}" commit old-two
+check "@{-1}@{1}" commit old-one
+check "@{u}" ref refs/heads/upstream-branch
+check "HEAD@{u}" ref refs/heads/upstream-branch
+check "@{u}@{1}" commit upstream-one
+check "@{-1}@{u}" ref refs/heads/master
+check "@{-1}@{u}@{1}" commit master-one
+check "@" commit new-two
+check "@@{u}" ref refs/heads/upstream-branch
nonsense "@{u}@{-1}"
+nonsense "@{0}@{0}"
nonsense "@{1}@{u}"
+nonsense "HEAD@{-1}"
+nonsense "@{-1}@{-1}"
+
+# @{N} versus HEAD@{N}
+
+check "HEAD@{3}" commit old-two
+nonsense "@{3}"
+
+test_expect_success 'switch to old-branch' '
+ git checkout old-branch
+'
+
+check HEAD ref refs/heads/old-branch
+check "HEAD@{1}" commit new-two
+check "@{1}" commit old-one
test_done