tvl-depot/third_party/git/t/t3416-rebase-onto-threedots.sh
Vincent Ambo f4609b896f merge(3p/git): Merge git subtree at v2.29.2
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 19:45:56 +01:00

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#!/bin/sh
test_description='git rebase --onto A...B'
. ./test-lib.sh
. "$TEST_DIRECTORY/lib-rebase.sh"
# Rebase only the tip commit of "topic" on merge base between "master"
# and "topic". Cannot do this for "side" with "master" because there
# is no single merge base.
#
#
# F---G topic G'
# / /
# A---B---C---D---E master --> A---B---C---D---E
# \ \ /
# \ x
# \ / \
# H---I---J---K side
test_expect_success setup '
test_commit A &&
test_commit B &&
git branch side &&
test_commit C &&
git branch topic &&
git checkout side &&
test_commit H &&
git checkout master &&
test_tick &&
git merge H &&
git tag D &&
test_commit E &&
git checkout topic &&
test_commit F &&
test_commit G &&
git checkout side &&
test_tick &&
git merge C &&
git tag I &&
test_commit J &&
test_commit K
'
test_expect_success 'rebase --onto master...topic' '
git reset --hard &&
git checkout topic &&
git reset --hard G &&
git rebase --onto master...topic F &&
git rev-parse HEAD^1 >actual &&
git rev-parse C^0 >expect &&
test_cmp expect actual
'
test_expect_success 'rebase --onto master...' '
git reset --hard &&
git checkout topic &&
git reset --hard G &&
git rebase --onto master... F &&
git rev-parse HEAD^1 >actual &&
git rev-parse C^0 >expect &&
test_cmp expect actual
'
test_expect_success 'rebase --onto master...side' '
git reset --hard &&
git checkout side &&
git reset --hard K &&
test_must_fail git rebase --onto master...side J
'
test_expect_success 'rebase -i --onto master...topic' '
git reset --hard &&
git checkout topic &&
git reset --hard G &&
set_fake_editor &&
EXPECT_COUNT=1 git rebase -i --onto master...topic F &&
git rev-parse HEAD^1 >actual &&
git rev-parse C^0 >expect &&
test_cmp expect actual
'
test_expect_success 'rebase -i --onto master...' '
git reset --hard &&
git checkout topic &&
git reset --hard G &&
set_fake_editor &&
EXPECT_COUNT=1 git rebase -i --onto master... F &&
git rev-parse HEAD^1 >actual &&
git rev-parse C^0 >expect &&
test_cmp expect actual
'
test_expect_success 'rebase -i --onto master...side' '
git reset --hard &&
git checkout side &&
git reset --hard K &&
set_fake_editor &&
test_must_fail git rebase -i --onto master...side J
'
test_expect_success 'rebase --keep-base --onto incompatible' '
test_must_fail git rebase --keep-base --onto master...
'
test_expect_success 'rebase --keep-base --root incompatible' '
test_must_fail git rebase --keep-base --root
'
test_expect_success 'rebase --keep-base master from topic' '
git reset --hard &&
git checkout topic &&
git reset --hard G &&
git rebase --keep-base master &&
git rev-parse C >base.expect &&
git merge-base master HEAD >base.actual &&
test_cmp base.expect base.actual &&
git rev-parse HEAD~2 >actual &&
git rev-parse C^0 >expect &&
test_cmp expect actual
'
test_expect_success 'rebase --keep-base master from side' '
git reset --hard &&
git checkout side &&
git reset --hard K &&
test_must_fail git rebase --keep-base master
'
test_expect_success 'rebase -i --keep-base master from topic' '
git reset --hard &&
git checkout topic &&
git reset --hard G &&
set_fake_editor &&
EXPECT_COUNT=2 git rebase -i --keep-base master &&
git rev-parse C >base.expect &&
git merge-base master HEAD >base.actual &&
test_cmp base.expect base.actual &&
git rev-parse HEAD~2 >actual &&
git rev-parse C^0 >expect &&
test_cmp expect actual
'
test_expect_success 'rebase -i --keep-base master from side' '
git reset --hard &&
git checkout side &&
git reset --hard K &&
set_fake_editor &&
test_must_fail git rebase -i --keep-base master
'
test_done