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|
#!/bin/sh
test_description='"git merge" top-level frontend'
. ./test-lib.sh
t3033_reset () {
git checkout -B master two &&
git branch -f left three &&
git branch -f right four
}
test_expect_success setup '
test_commit one &&
git branch left &&
git branch right &&
test_commit two &&
git checkout left &&
test_commit three &&
git checkout right &&
test_commit four &&
git checkout master
'
# Local branches
test_expect_success 'merge an octopus into void' '
t3033_reset &&
git checkout --orphan test &&
git rm -fr . &&
test_must_fail git merge left right &&
test_must_fail git rev-parse --verify HEAD &&
git diff --quiet &&
test_must_fail git rev-parse HEAD
'
test_expect_success 'merge an octopus, fast-forward (ff)' '
t3033_reset &&
git reset --hard one &&
git merge left right &&
# one is ancestor of three (left) and four (right)
test_must_fail git rev-parse --verify HEAD^3 &&
git rev-parse HEAD^1 HEAD^2 | sort >actual &&
git rev-parse three four | sort >expect &&
test_cmp expect actual
'
test_expect_success 'merge octopus, non-fast-forward (ff)' '
t3033_reset &&
git reset --hard one &&
git merge --no-ff left right &&
# one is ancestor of three (left) and four (right)
test_must_fail git rev-parse --verify HEAD^4 &&
git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual &&
git rev-parse one three four | sort >expect &&
test_cmp expect actual
'
test_expect_success 'merge octopus, fast-forward (does not ff)' '
t3033_reset &&
git merge left right &&
# two (master) is not an ancestor of three (left) and four (right)
test_must_fail git rev-parse --verify HEAD^4 &&
git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual &&
git rev-parse two three four | sort >expect &&
test_cmp expect actual
'
test_expect_success 'merge octopus, non-fast-forward' '
t3033_reset &&
git merge --no-ff left right &&
test_must_fail git rev-parse --verify HEAD^4 &&
git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual &&
git rev-parse two three four | sort >expect &&
test_cmp expect actual
'
# The same set with FETCH_HEAD
test_expect_success 'merge FETCH_HEAD octopus into void' '
t3033_reset &&
git checkout --orphan test &&
git rm -fr . &&
git fetch . left right &&
test_must_fail git merge FETCH_HEAD &&
test_must_fail git rev-parse --verify HEAD &&
git diff --quiet &&
test_must_fail git rev-parse HEAD
'
test_expect_success 'merge FETCH_HEAD octopus fast-forward (ff)' '
t3033_reset &&
git reset --hard one &&
git fetch . left right &&
git merge FETCH_HEAD &&
# one is ancestor of three (left) and four (right)
test_must_fail git rev-parse --verify HEAD^3 &&
git rev-parse HEAD^1 HEAD^2 | sort >actual &&
git rev-parse three four | sort >expect &&
test_cmp expect actual
'
test_expect_success 'merge FETCH_HEAD octopus non-fast-forward (ff)' '
t3033_reset &&
git reset --hard one &&
git fetch . left right &&
git merge --no-ff FETCH_HEAD &&
# one is ancestor of three (left) and four (right)
test_must_fail git rev-parse --verify HEAD^4 &&
git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual &&
git rev-parse one three four | sort >expect &&
test_cmp expect actual
'
test_expect_success 'merge FETCH_HEAD octopus fast-forward (does not ff)' '
t3033_reset &&
git fetch . left right &&
git merge FETCH_HEAD &&
# two (master) is not an ancestor of three (left) and four (right)
test_must_fail git rev-parse --verify HEAD^4 &&
git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual &&
git rev-parse two three four | sort >expect &&
test_cmp expect actual
'
test_expect_success 'merge FETCH_HEAD octopus non-fast-forward' '
t3033_reset &&
git fetch . left right &&
git merge --no-ff FETCH_HEAD &&
test_must_fail git rev-parse --verify HEAD^4 &&
git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual &&
git rev-parse two three four | sort >expect &&
test_cmp expect actual
'
test_done
|
