git-commit-vandalism/t/t3410-rebase-preserve-dropped-merges.sh

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#!/bin/sh
#
# Copyright (c) 2008 Stephen Haberman
#
test_description='git rebase preserve merges
This test runs git rebase with preserve merges and ensures commits
dropped by the --cherry-pick flag have their childrens parents
rewritten.
'
. ./test-lib.sh
# set up two branches like this:
#
# A - B - C - D - E
# \
# F - G - H
# \
# I
#
# where B, D and G touch the same file.
test_expect_success 'setup' '
: > file1 &&
git add file1 &&
test_tick &&
git commit -m A &&
git tag A &&
echo 1 > file1 &&
test_tick &&
git commit -m B file1 &&
: > file2 &&
git add file2 &&
test_tick &&
git commit -m C &&
echo 2 > file1 &&
test_tick &&
git commit -m D file1 &&
: > file3 &&
git add file3 &&
test_tick &&
git commit -m E &&
git tag E &&
git checkout -b branch1 A &&
: > file4 &&
git add file4 &&
test_tick &&
git commit -m F &&
git tag F &&
echo 3 > file1 &&
test_tick &&
git commit -m G file1 &&
git tag G &&
: > file5 &&
git add file5 &&
test_tick &&
git commit -m H &&
git tag H &&
git checkout -b branch2 F &&
: > file6 &&
git add file6 &&
test_tick &&
git commit -m I &&
git tag I
'
# A - B - C - D - E
# \ \ \
# F - G - H -- L \ --> L
# \ | \
# I -- G2 -- J -- K I -- K
# G2 = same changes as G
test_expect_success 'skip same-resolution merges with -p' '
git checkout branch1 &&
! git merge E &&
echo 23 > file1 &&
git add file1 &&
git commit -m L &&
git checkout branch2 &&
echo 3 > file1 &&
git commit -a -m G2 &&
! git merge E &&
echo 23 > file1 &&
git add file1 &&
git commit -m J &&
echo file7 > file7 &&
git add file7 &&
git commit -m K &&
GIT_EDITOR=: git rebase -i -p branch1 &&
test $(git rev-parse branch2^^) = $(git rev-parse branch1) &&
test "23" = "$(cat file1)" &&
test "" = "$(cat file6)" &&
test "file7" = "$(cat file7)" &&
git checkout branch1 &&
git reset --hard H &&
git checkout branch2 &&
git reset --hard I
'
# A - B - C - D - E
# \ \ \
# F - G - H -- L \ --> L
# \ | \
# I -- G2 -- J -- K I -- G2 -- K
# G2 = different changes as G
test_expect_success 'keep different-resolution merges with -p' '
git checkout branch1 &&
! git merge E &&
echo 23 > file1 &&
git add file1 &&
git commit -m L &&
git checkout branch2 &&
echo 4 > file1 &&
git commit -a -m G2 &&
! git merge E &&
echo 24 > file1 &&
git add file1 &&
git commit -m J &&
echo file7 > file7 &&
git add file7 &&
git commit -m K &&
! GIT_EDITOR=: git rebase -i -p branch1 &&
echo 234 > file1 &&
git add file1 &&
GIT_EDITOR=: git rebase --continue &&
test $(git rev-parse branch2^^^) = $(git rev-parse branch1) &&
test "234" = "$(cat file1)" &&
test "" = "$(cat file6)" &&
test "file7" = "$(cat file7)" &&
git checkout branch1 &&
git reset --hard H &&
git checkout branch2 &&
git reset --hard I
'
test_done