#!/bin/sh
#
# Copyright (c) 2006 Junio C Hamano
#
test_description='git rebase --merge test'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
T="A quick brown fox
jumps over the lazy dog."
for i in 1 2 3 4 5 6 7 8 9 10
do
echo "$i $T"
done >original
test_expect_success setup '
git add original &&
git commit -m"initial" &&
git branch side &&
echo "11 $T" >>original &&
git commit -a -m"main updates a bit." &&
echo "12 $T" >>original &&
git commit -a -m"main updates a bit more." &&
git checkout side &&
(echo "0 $T" && cat original) >renamed &&
git add renamed &&
git update-index --force-remove original &&
git commit -a -m"side renames and edits." &&
tr "[a-z]" "[A-Z]" <original >newfile &&
git add newfile &&
git commit -a -m"side edits further." &&
git branch second-side &&
tr "[a-m]" "[A-M]" <original >newfile &&
rm -f original &&
git commit -a -m"side edits once again." &&
git branch test-rebase side &&
git branch test-rebase-pick side &&
git branch test-reference-pick side &&
git branch test-conflicts side &&
git checkout -b test-merge side
'
test_expect_success 'reference merge' '
git merge -s recursive -m "reference merge" main
'
PRE_REBASE=$(git rev-parse test-rebase)
test_expect_success rebase '
git checkout test-rebase &&
GIT_TRACE=1 git rebase --merge main
'
test_expect_success 'test-rebase@{1} is pre rebase' '
test $PRE_REBASE = $(git rev-parse test-rebase@{1})
'
test_expect_success 'merge and rebase should match' '
git diff-tree -r test-rebase test-merge >difference &&
if test -s difference
then
cat difference
false
else
echo happy
fi
'
test_expect_success 'rebase the other way' '
git reset --hard main &&
git rebase --merge side
'
test_expect_success 'rebase -Xtheirs' '
git checkout -b conflicting main~2 &&
echo "AB $T" >> original &&
git commit -mconflicting original &&
git rebase -Xtheirs main &&
grep AB original &&
! grep 11 original
'
test_expect_success 'rebase -Xtheirs from orphan' '
git checkout --orphan orphan-conflicting main~2 &&
echo "AB $T" >> original &&
git commit -morphan-conflicting original &&
git rebase -Xtheirs main &&
grep AB original &&
! grep 11 original
'
test_expect_success 'merge and rebase should match' '
git diff-tree -r test-rebase test-merge >difference &&
if test -s difference
then
cat difference
false
else
echo happy
fi
'
test_expect_success 'picking rebase' '
git reset --hard side &&
git rebase --merge --onto main side^^ &&
mb=$(git merge-base main HEAD) &&
if test "$mb" = "$(git rev-parse main)"
then
echo happy
else
git show-branch
false
fi &&
f=$(git diff-tree --name-only HEAD^ HEAD) &&
g=$(git diff-tree --name-only HEAD^^ HEAD^) &&
case "$f,$g" in
newfile,newfile)
echo happy ;;
*)
echo "$f"
echo "$g"
false
esac
'
test_expect_success 'rebase --skip works with two conflicts in a row' '
git checkout second-side &&
tr "[A-Z]" "[a-z]" <newfile >tmp &&
mv tmp newfile &&
git commit -a -m"edit conflicting with side" &&
tr "[d-f]" "[D-F]" <newfile >tmp &&
mv tmp newfile &&
git commit -a -m"another edit conflicting with side" &&
test_must_fail git rebase --merge test-conflicts &&
test_must_fail git rebase --skip &&
git rebase --skip
'
test_expect_success '--reapply-cherry-picks' '
git init repo &&
# O(1-10) -- O(1-11) -- O(0-10) main
# \
# -- O(1-11) -- O(1-12) otherbranch
printf "Line %d\n" $(test_seq 1 10) >repo/file.txt &&
git -C repo add file.txt &&
git -C repo commit -m "base commit" &&
printf "Line %d\n" $(test_seq 1 11) >repo/file.txt &&
git -C repo commit -a -m "add 11" &&
printf "Line %d\n" $(test_seq 0 10) >repo/file.txt &&
git -C repo commit -a -m "add 0 delete 11" &&
git -C repo checkout -b otherbranch HEAD^^ &&
printf "Line %d\n" $(test_seq 1 11) >repo/file.txt &&
git -C repo commit -a -m "add 11 in another branch" &&
printf "Line %d\n" $(test_seq 1 12) >repo/file.txt &&
git -C repo commit -a -m "add 12 in another branch" &&
# Regular rebase fails, because the 1-11 commit is deduplicated
test_must_fail git -C repo rebase --merge main 2> err &&
test_grep "error: could not apply.*add 12 in another branch" err &&
git -C repo rebase --abort &&
# With --reapply-cherry-picks, it works
git -C repo rebase --merge --reapply-cherry-picks main
'
test_expect_success '--reapply-cherry-picks refrains from reading unneeded blobs' '
git init server &&
# O(1-10) -- O(1-11) -- O(1-12) main
# \
# -- O(0-10) otherbranch
printf "Line %d\n" $(test_seq 1 10) >server/file.txt &&
git -C server add file.txt &&
git -C server commit -m "merge base" &&
printf "Line %d\n" $(test_seq 1 11) >server/file.txt &&
git -C server commit -a -m "add 11" &&
printf "Line %d\n" $(test_seq 1 12) >server/file.txt &&
git -C server commit -a -m "add 12" &&
git -C server checkout -b otherbranch HEAD^^ &&
printf "Line %d\n" $(test_seq 0 10) >server/file.txt &&
git -C server commit -a -m "add 0" &&
test_config -C server uploadpack.allowfilter 1 &&
test_config -C server uploadpack.allowanysha1inwant 1 &&
git clone --filter=blob:none "file://$(pwd)/server" client &&
git -C client checkout origin/main &&
git -C client checkout origin/otherbranch &&
# Sanity check to ensure that the blobs from the merge base and "add
# 11" are missing
git -C client rev-list --objects --all --missing=print >missing_list &&
MERGE_BASE_BLOB=$(git -C server rev-parse main^^:file.txt) &&
ADD_11_BLOB=$(git -C server rev-parse main^:file.txt) &&
grep "[?]$MERGE_BASE_BLOB" missing_list &&
grep "[?]$ADD_11_BLOB" missing_list &&
git -C client rebase --merge --reapply-cherry-picks origin/main &&
# The blob from the merge base had to be fetched, but not "add 11"
git -C client rev-list --objects --all --missing=print >missing_list &&
! grep "[?]$MERGE_BASE_BLOB" missing_list &&
grep "[?]$ADD_11_BLOB" missing_list
'
test_done
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