/
t2012-checkout-last.sh
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t2012-checkout-last.sh
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#!/bin/sh
test_description='checkout can switch to last branch and merge base'
. ./test-lib.sh
test_expect_success 'setup' '
echo hello >world &&
git add world &&
git commit -m initial &&
git branch other &&
echo "hello again" >>world &&
git add world &&
git commit -m second
'
test_expect_success '"checkout -" does not work initially' '
test_must_fail git checkout -
'
test_expect_success 'first branch switch' '
git checkout other
'
test_expect_success '"checkout -" switches back' '
git checkout - &&
test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
'
test_expect_success '"checkout -" switches forth' '
git checkout - &&
test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other"
'
test_expect_success 'detach HEAD' '
git checkout $(git rev-parse HEAD)
'
test_expect_success '"checkout -" attaches again' '
git checkout - &&
test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other"
'
test_expect_success '"checkout -" detaches again' '
git checkout - &&
test "z$(git rev-parse HEAD)" = "z$(git rev-parse other)" &&
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$(git rev-parse --verify master^)"
'
test_expect_success '"checkout -" works after a rebase A' '
git checkout master &&
git checkout other &&
git rebase master &&
git checkout - &&
test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
'
test_expect_success '"checkout -" works after a rebase A B' '
git branch moodle master~1 &&
git checkout master &&
git checkout other &&
git rebase master moodle &&
git checkout - &&
test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
'
test_expect_success '"checkout -" works after a rebase -i A' '
git checkout master &&
git checkout other &&
git rebase -i master &&
git checkout - &&
test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
'
test_expect_success '"checkout -" works after a rebase -i A B' '
git branch foodle master~1 &&
git checkout master &&
git checkout other &&
git rebase master foodle &&
git checkout - &&
test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
'
test_done