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If you were on 'frotz' branch before you checked out your current
branch, "git merge @{-1}~22" means the same as "git merge frotz~22".
The strbuf_branchname() function, when interpret_branch_name() gives
up resolving "@{-1}~22" fully, returns "frotz" and tells the caller
that it only resolved "@{-1}" part of the input, mistakes this as a
total failure, and appends the whole thing to the result, yielding
"frotz@{-1}~22", which does not make any sense.
Inspect the return value from interpret_branch_name() a bit more
carefully. When it errored out without consuming anything, we will
get -1 and we should return the whole thing. Otherwise, we should
append the remainder (i.e. "~22" in the earlier example) to the
partially resolved name (i.e. "frotz").
The test suite adds enough number of checkout to make @{-12} in the
last test in t0100 that tried to check "we haven't flipped branches
that many times" error case succeed; raise the number to a hundred.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
60 lines
1.4 KiB
Bash
Executable file
60 lines
1.4 KiB
Bash
Executable file
#!/bin/sh
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test_description='previous branch syntax @{-n}'
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. ./test-lib.sh
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test_expect_success 'branch -d @{-1}' '
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test_commit A &&
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git checkout -b junk &&
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git checkout - &&
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test "$(git symbolic-ref HEAD)" = refs/heads/master &&
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git branch -d @{-1} &&
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test_must_fail git rev-parse --verify refs/heads/junk
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'
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test_expect_success 'branch -d @{-12} when there is not enough switches yet' '
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git reflog expire --expire=now &&
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git checkout -b junk2 &&
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git checkout - &&
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test "$(git symbolic-ref HEAD)" = refs/heads/master &&
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test_must_fail git branch -d @{-12} &&
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git rev-parse --verify refs/heads/master
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'
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test_expect_success 'merge @{-1}' '
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git checkout A &&
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test_commit B &&
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git checkout A &&
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test_commit C &&
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test_commit D &&
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git branch -f master B &&
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git branch -f other &&
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git checkout other &&
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git checkout master &&
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git merge @{-1} &&
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git cat-file commit HEAD | grep "Merge branch '\''other'\''"
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'
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test_expect_success 'merge @{-1}~1' '
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git checkout master &&
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git reset --hard B &&
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git checkout other &&
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git checkout master &&
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git merge @{-1}~1 &&
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git cat-file commit HEAD >actual &&
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grep "Merge branch '\''other'\''" actual
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'
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test_expect_success 'merge @{-100} before checking out that many branches yet' '
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git reflog expire --expire=now &&
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git checkout -f master &&
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git reset --hard B &&
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git branch -f other C &&
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git checkout other &&
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git checkout master &&
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test_must_fail git merge @{-100}
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'
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test_done
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