diff options
Diffstat (limited to 't')
-rw-r--r-- | t/lib-rebase.sh | 33 | ||||
-rwxr-xr-x | t/t3400-rebase.sh | 53 | ||||
-rwxr-xr-x | t/t3401-rebase-partial.sh | 69 | ||||
-rwxr-xr-x | t/t3404-rebase-interactive.sh | 10 | ||||
-rwxr-xr-x | t/t3406-rebase-message.sh | 50 | ||||
-rwxr-xr-x | t/t3409-rebase-preserve-merges.sh | 53 | ||||
-rwxr-xr-x | t/t3421-rebase-topology-linear.sh | 350 | ||||
-rwxr-xr-x | t/t3425-rebase-topology-merges.sh | 258 |
8 files changed, 673 insertions, 203 deletions
diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh index 6ccf797091..4b74ae460b 100644 --- a/t/lib-rebase.sh +++ b/t/lib-rebase.sh @@ -65,3 +65,36 @@ EOF test_set_editor "$(pwd)/fake-editor.sh" chmod a+x fake-editor.sh } + +# checks that the revisions in "$2" represent a linear range with the +# subjects in "$1" +test_linear_range () { + revlist_merges=$(git rev-list --merges "$2") && + test -z "$revlist_merges" && + expected=$1 + set -- $(git log --reverse --format=%s "$2") + test "$expected" = "$*" +} + +reset_rebase () { + test_might_fail git rebase --abort && + git reset --hard && + git clean -f +} + +cherry_pick () { + git cherry-pick -n "$2" && + git commit -m "$1" && + git tag "$1" +} + +revert () { + git revert -n "$2" && + git commit -m "$1" && + git tag "$1" +} + +make_empty () { + git commit --allow-empty -m "$1" && + git tag "$1" +} diff --git a/t/t3400-rebase.sh b/t/t3400-rebase.sh index 6a5ec32a26..ff86725b7b 100755 --- a/t/t3400-rebase.sh +++ b/t/t3400-rebase.sh @@ -40,13 +40,6 @@ test_expect_success 'prepare repository with topic branches' ' echo Side >>C && git add C && git commit -m "Add C" && - git checkout -b nonlinear my-topic-branch && - echo Edit >>B && - git add B && - git commit -m "Modify B" && - git merge side && - git checkout -b upstream-merged-nonlinear && - git merge master && git checkout -f my-topic-branch && git tag topic ' @@ -66,28 +59,6 @@ test_expect_success 'rebase against master' ' git rebase master ' -test_expect_success 'rebase against master twice' ' - git rebase master >out && - test_i18ngrep "Current branch my-topic-branch is up to date" out -' - -test_expect_success 'rebase against master twice with --force' ' - git rebase --force-rebase master >out && - test_i18ngrep "Current branch my-topic-branch is up to date, rebase forced" out -' - -test_expect_success 'rebase against master twice from another branch' ' - git checkout my-topic-branch^ && - git rebase master my-topic-branch >out && - test_i18ngrep "Current branch my-topic-branch is up to date" out -' - -test_expect_success 'rebase fast-forward to master' ' - git checkout my-topic-branch^ && - git rebase my-topic-branch >out && - test_i18ngrep "Fast-forwarded HEAD to my-topic-branch" out -' - test_expect_success 'the rebase operation should not have destroyed author information' ' ! (git log | grep "Author:" | grep "<>") ' @@ -106,31 +77,9 @@ test_expect_success 'rebase from ambiguous branch name' ' git rebase master ' -test_expect_success 'rebase after merge master' ' - git checkout --detach refs/tags/topic && - git branch -D topic && - git reset --hard topic && - git merge master && - git rebase master && - ! (git show | grep "^Merge:") -' - -test_expect_success 'rebase of history with merges is linearized' ' - git checkout nonlinear && - test 4 = $(git rev-list master.. | wc -l) && - git rebase master && - test 3 = $(git rev-list master.. | wc -l) -' - -test_expect_success 'rebase of history with merges after upstream merge is linearized' ' - git checkout upstream-merged-nonlinear && - test 5 = $(git rev-list master.. | wc -l) && - git rebase master && - test 3 = $(git rev-list master.. | wc -l) -' - test_expect_success 'rebase a single mode change' ' git checkout master && + git branch -D topic && echo 1 >X && git add X && test_tick && diff --git a/t/t3401-rebase-partial.sh b/t/t3401-rebase-partial.sh deleted file mode 100755 index 58f4823783..0000000000 --- a/t/t3401-rebase-partial.sh +++ /dev/null @@ -1,69 +0,0 @@ -#!/bin/sh -# -# Copyright (c) 2006 Yann Dirson, based on t3400 by Amos Waterland -# - -test_description='git rebase should detect patches integrated upstream - -This test cherry-picks one local change of two into master branch, and -checks that git rebase succeeds with only the second patch in the -local branch. -' -. ./test-lib.sh - -test_expect_success 'prepare repository with topic branch' ' - test_commit A && - git checkout -b my-topic-branch && - test_commit B && - test_commit C && - git checkout -f master && - test_commit A2 A.t -' - -test_expect_success 'pick top patch from topic branch into master' ' - git cherry-pick C && - git checkout -f my-topic-branch -' - -test_debug ' - git cherry master && - git format-patch -k --stdout --full-index master >/dev/null && - gitk --all & sleep 1 -' - -test_expect_success 'rebase topic branch against new master and check git am did not get halted' ' - git rebase master && - test_path_is_missing .git/rebase-apply -' - -test_expect_success 'rebase --merge topic branch that was partially merged upstream' ' - git reset --hard C && - git rebase --merge master && - test_path_is_missing .git/rebase-merge -' - -test_expect_success 'rebase ignores empty commit' ' - git reset --hard A && - git commit --allow-empty -m empty && - test_commit D && - git rebase C && - test "$(git log --format=%s C..)" = "D" -' - -test_expect_success 'rebase --keep-empty' ' - git reset --hard D && - git rebase --keep-empty C && - test "$(git log --format=%s C..)" = "D -empty" -' - -test_expect_success 'rebase --keep-empty keeps empty even if already in upstream' ' - git reset --hard A && - git commit --allow-empty -m also-empty && - git rebase --keep-empty D && - test "$(git log --format=%s A..)" = "also-empty -D -empty" -' - -test_done diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh index 79e8d3c596..0d3c57340e 100755 --- a/t/t3404-rebase-interactive.sh +++ b/t/t3404-rebase-interactive.sh @@ -477,19 +477,11 @@ test_expect_success 'interrupted squash works as expected (case 2)' ' test $one = $(git rev-parse HEAD~2) ' -test_expect_success 'ignore patch if in upstream' ' - HEAD=$(git rev-parse HEAD) && - git checkout -b has-cherry-picked HEAD^ && +test_expect_success '--continue tries to commit, even for "edit"' ' echo unrelated > file7 && git add file7 && test_tick && git commit -m "unrelated change" && - git cherry-pick $HEAD && - EXPECT_COUNT=1 git rebase -i $HEAD && - test $HEAD = $(git rev-parse HEAD^) -' - -test_expect_success '--continue tries to commit, even for "edit"' ' parent=$(git rev-parse HEAD^) && test_tick && FAKE_LINES="edit 1" git rebase -i HEAD^ && diff --git a/t/t3406-rebase-message.sh b/t/t3406-rebase-message.sh index e6a9a0d436..0392e36d23 100755 --- a/t/t3406-rebase-message.sh +++ b/t/t3406-rebase-message.sh @@ -4,27 +4,17 @@ test_description='messages from rebase operation' . ./test-lib.sh -quick_one () { - echo "$1" >"file$1" && - git add "file$1" && - test_tick && - git commit -m "$1" -} +test_expect_success 'setup' ' + test_commit O fileO && + test_commit X fileX && + test_commit A fileA && + test_commit B fileB && + test_commit Y fileY && -test_expect_success setup ' - quick_one O && - git branch topic && - quick_one X && - quick_one A && - quick_one B && - quick_one Y && - - git checkout topic && - quick_one A && - quick_one B && - quick_one Z && + git checkout -b topic O && + git cherry-pick A B && + test_commit Z fileZ && git tag start - ' cat >expect <<\EOF @@ -34,12 +24,32 @@ Committed: 0003 Z EOF test_expect_success 'rebase -m' ' - git rebase -m master >report && sed -n -e "/^Already applied: /p" \ -e "/^Committed: /p" report >actual && test_cmp expect actual +' + +test_expect_success 'rebase against master twice' ' + git rebase master >out && + test_i18ngrep "Current branch topic is up to date" out +' + +test_expect_success 'rebase against master twice with --force' ' + git rebase --force-rebase master >out && + test_i18ngrep "Current branch topic is up to date, rebase forced" out +' + +test_expect_success 'rebase against master twice from another branch' ' + git checkout topic^ && + git rebase master topic >out && + test_i18ngrep "Current branch topic is up to date" out +' +test_expect_success 'rebase fast-forward to master' ' + git checkout topic^ && + git rebase topic >out && + test_i18ngrep "Fast-forwarded HEAD to topic" out ' test_expect_success 'rebase --stat' ' diff --git a/t/t3409-rebase-preserve-merges.sh b/t/t3409-rebase-preserve-merges.sh index 6de4e2263f..2e0c36415f 100755 --- a/t/t3409-rebase-preserve-merges.sh +++ b/t/t3409-rebase-preserve-merges.sh @@ -11,14 +11,6 @@ Run "git rebase -p" and check that merges are properly carried along GIT_AUTHOR_EMAIL=bogus_email_address export GIT_AUTHOR_EMAIL -# Clone 1 (trivial merge): -# -# A1--A2 <-- origin/master -# \ \ -# B1--M <-- topic -# \ -# B2 <-- origin/topic -# # Clone 2 (conflicting merge): # # A1--A2--B3 <-- origin/master @@ -36,16 +28,6 @@ export GIT_AUTHOR_EMAIL # \--A3 <-- topic2 # \ # B2 <-- origin/topic -# -# Clone 4 (merge using second parent as base): -# -# A1--A2--B3 <-- origin/master -# \ -# B1--A3--M <-- topic -# \ / -# \--A4 <-- topic2 -# \ -# B2 <-- origin/topic test_expect_success 'setup for merge-preserving rebase' \ 'echo First > A && @@ -58,20 +40,6 @@ test_expect_success 'setup for merge-preserving rebase' \ git checkout -f master && echo Third >> A && git commit -a -m "Modify A2" && - - git clone ./. clone1 && - (cd clone1 && - git checkout -b topic origin/topic && - git merge origin/master - ) && - - git clone ./. clone4 && - ( - cd clone4 && - git checkout -b topic origin/topic && - git merge origin/master - ) && - echo Fifth > B && git add B && git commit -m "Add different B" && @@ -101,16 +69,6 @@ test_expect_success 'setup for merge-preserving rebase' \ git commit -a -m "Modify B2" ' -test_expect_success 'rebase -p fakes interactive rebase' ' - ( - cd clone1 && - git fetch && - git rebase -p origin/topic && - test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) && - test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote-tracking branch " | wc -l) - ) -' - test_expect_success '--continue works after a conflict' ' ( cd clone2 && @@ -138,15 +96,4 @@ test_expect_success 'rebase -p preserves no-ff merges' ' ) ' -test_expect_success 'rebase -p works when base inside second parent' ' - ( - cd clone4 && - git fetch && - git rebase -p HEAD^2 && - test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) && - test 1 = $(git rev-list --all --pretty=oneline | grep "Modify B" | wc -l) && - test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote-tracking branch " | wc -l) - ) -' - test_done diff --git a/t/t3421-rebase-topology-linear.sh b/t/t3421-rebase-topology-linear.sh new file mode 100755 index 0000000000..9c55cba198 --- /dev/null +++ b/t/t3421-rebase-topology-linear.sh @@ -0,0 +1,350 @@ +#!/bin/sh + +test_description='basic rebase topology tests' +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-rebase.sh + +# a---b---c +# \ +# d---e +test_expect_success 'setup' ' + test_commit a && + test_commit b && + test_commit c && + git checkout b && + test_commit d && + test_commit e +' + +test_run_rebase () { + result=$1 + shift + test_expect_$result "simple rebase $*" " + reset_rebase && + git rebase $* c e && + test_cmp_rev c HEAD~2 && + test_linear_range 'd e' c.. + " +} +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i +test_run_rebase success -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* is no-op if upstream is an ancestor" " + reset_rebase && + git rebase $* b e && + test_cmp_rev e HEAD + " +} +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i +test_run_rebase success -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* -f rewrites even if upstream is an ancestor" " + reset_rebase && + git rebase $* -f b e && + ! test_cmp_rev e HEAD && + test_cmp_rev b HEAD~2 && + test_linear_range 'd e' b.. + " +} +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i +test_run_rebase failure -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* fast-forwards from ancestor of upstream" " + reset_rebase && + git rebase $* e b && + test_cmp_rev e HEAD + " +} +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i +test_run_rebase success -p + +# f +# / +# a---b---c---g---h +# \ +# d---gp--i +# +# gp = cherry-picked g +# h = reverted g +# +# Reverted patches are there for tests to be able to check if a commit +# that introduced the same change as another commit is +# dropped. Without reverted commits, we could get false positives +# because applying the patch succeeds, but simply results in no +# changes. +test_expect_success 'setup of linear history for range selection tests' ' + git checkout c && + test_commit g && + revert h g && + git checkout d && + cherry_pick gp g && + test_commit i && + git checkout b && + test_commit f +' + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* drops patches in upstream" " + reset_rebase && + git rebase $* h i && + test_cmp_rev h HEAD~2 && + test_linear_range 'd i' h.. + " +} +test_run_rebase success '' +test_run_rebase failure -m +test_run_rebase success -i +test_run_rebase success -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* can drop last patch if in upstream" " + reset_rebase && + git rebase $* h gp && + test_cmp_rev h HEAD^ && + test_linear_range 'd' h.. + " +} +test_run_rebase success '' +test_run_rebase failure -m +test_run_rebase success -i +test_run_rebase success -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* --onto drops patches in upstream" " + reset_rebase && + git rebase $* --onto f h i && + test_cmp_rev f HEAD~2 && + test_linear_range 'd i' f.. + " +} +test_run_rebase success '' +test_run_rebase failure -m +test_run_rebase success -i +test_run_rebase success -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* --onto does not drop patches in onto" " + reset_rebase && + git rebase $* --onto h f i && + test_cmp_rev h HEAD~3 && + test_linear_range 'd gp i' h.. + " +} +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i +test_run_rebase success -p + +# a---b---c---j! +# \ +# d---k!--l +# +# ! = empty +test_expect_success 'setup of linear history for empty commit tests' ' + git checkout c && + make_empty j && + git checkout d && + make_empty k && + test_commit l +' + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* drops empty commit" " + reset_rebase && + git rebase $* c l && + test_cmp_rev c HEAD~2 && + test_linear_range 'd l' c.. + " +} +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i +test_run_rebase success -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* --keep-empty" " + reset_rebase && + git rebase $* --keep-empty c l && + test_cmp_rev c HEAD~3 && + test_linear_range 'd k l' c.. + " +} +test_run_rebase success '' +test_run_rebase failure -m +test_run_rebase success -i +test_run_rebase failure -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* --keep-empty keeps empty even if already in upstream" " + reset_rebase && + git rebase $* --keep-empty j l && + test_cmp_rev j HEAD~3 && + test_linear_range 'd k l' j.. + " +} +test_run_rebase success '' +test_run_rebase failure -m +test_run_rebase failure -i +test_run_rebase failure -p + +# m +# / +# a---b---c---g +# +# x---y---bp +# +# bp = cherry-picked b +# m = reverted b +# +# Reverted patches are there for tests to be able to check if a commit +# that introduced the same change as another commit is +# dropped. Without reverted commits, we could get false positives +# because applying the patch succeeds, but simply results in no +# changes. +test_expect_success 'setup of linear history for test involving root' ' + git checkout b && + revert m b && + git checkout --orphan disjoint && + git rm -rf . && + test_commit x && + test_commit y && + cherry_pick bp b +' + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* --onto --root" " + reset_rebase && + git rebase $* --onto c --root y && + test_cmp_rev c HEAD~2 && + test_linear_range 'x y' c.. + " +} +test_run_rebase success '' +test_run_rebase failure -m +test_run_rebase success -i +test_run_rebase success -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* without --onto --root with disjoint history" " + reset_rebase && + git rebase $* c y && + test_cmp_rev c HEAD~2 && + test_linear_range 'x y' c.. + " +} +test_run_rebase success '' +test_run_rebase failure -m +test_run_rebase success -i +test_run_rebase failure -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* --onto --root drops patch in onto" " + reset_rebase && + git rebase $* --onto m --root bp && + test_cmp_rev m HEAD~2 && + test_linear_range 'x y' m.. + " +} +test_run_rebase success '' +test_run_rebase failure -m +test_run_rebase success -i +test_run_rebase success -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* --onto --root with merge-base does not go to root" " + reset_rebase && + git rebase $* --onto m --root g && + test_cmp_rev m HEAD~2 && + test_linear_range 'c g' m.. + " +} + +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i +test_run_rebase failure -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* without --onto --root with disjoint history drops patch in onto" " + reset_rebase && + git rebase $* m bp && + test_cmp_rev m HEAD~2 && + test_linear_range 'x y' m.. + " +} +test_run_rebase success '' +test_run_rebase failure -m +test_run_rebase success -i +test_run_rebase failure -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* --root on linear history is a no-op" " + reset_rebase && + git rebase $* --root c && + test_cmp_rev c HEAD + " +} +test_run_rebase failure '' +test_run_rebase failure -m +test_run_rebase failure -i +test_run_rebase failure -p + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* -f --root on linear history causes re-write" " + reset_rebase && + git rebase $* -f --root c && + ! test_cmp_rev a HEAD~2 && + test_linear_range 'a b c' HEAD + " +} +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i +test_run_rebase success -p + +test_done diff --git a/t/t3425-rebase-topology-merges.sh b/t/t3425-rebase-topology-merges.sh new file mode 100755 index 0000000000..1d195fbd64 --- /dev/null +++ b/t/t3425-rebase-topology-merges.sh @@ -0,0 +1,258 @@ +#!/bin/sh + +test_description='rebase topology tests with merges' +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-rebase.sh + +test_revision_subjects () { + expected="$1" + shift + set -- $(git log --format=%s --no-walk=unsorted "$@") + test "$expected" = "$*" +} + +# a---b-----------c +# \ \ +# d-------e \ +# \ \ \ +# n---o---w---v +# \ +# z +test_expect_success 'setup of non-linear-history' ' + test_commit a && + test_commit b && + test_commit c && + git checkout b && + test_commit d && + test_commit e + + git checkout c && + test_commit g && + revert h g && + git checkout d && + cherry_pick gp g && + test_commit i && + git checkout b && + test_commit f + + git checkout d && + test_commit n && + test_commit o && + test_merge w e && + test_merge v c && + git checkout o && + test_commit z +' + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* after merge from upstream" " + reset_rebase && + git rebase $* e w && + test_cmp_rev e HEAD~2 && + test_linear_range 'n o' e.. + " +} +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i + +test_run_rebase () { + result=$1 + shift + expected=$1 + shift + test_expect_$result "rebase $* of non-linear history is linearized in place" " + reset_rebase && + git rebase $* d w && + test_cmp_rev d HEAD~3 && + test_linear_range "\'"$expected"\'" d.. + " +} +#TODO: make order consistent across all flavors of rebase +test_run_rebase success 'e n o' '' +test_run_rebase success 'e n o' -m +test_run_rebase success 'n o e' -i + +test_run_rebase () { + result=$1 + shift + expected=$1 + shift + test_expect_$result "rebase $* of non-linear history is linearized upstream" " + reset_rebase && + git rebase $* c w && + test_cmp_rev c HEAD~4 && + test_linear_range "\'"$expected"\'" c.. + " +} +#TODO: make order consistent across all flavors of rebase +test_run_rebase success 'd e n o' '' +test_run_rebase success 'd e n o' -m +test_run_rebase success 'd n o e' -i + +test_run_rebase () { + result=$1 + shift + expected=$1 + shift + test_expect_$result "rebase $* of non-linear history with merges after upstream merge is linearized" " + reset_rebase && + git rebase $* c v && + test_cmp_rev c HEAD~4 && + test_linear_range "\'"$expected"\'" c.. + " +} +#TODO: make order consistent across all flavors of rebase +test_run_rebase success 'd e n o' '' +test_run_rebase success 'd e n o' -m +test_run_rebase success 'd n o e' -i + +test_expect_success "rebase -p is no-op in non-linear history" " + reset_rebase && + git rebase -p d w && + test_cmp_rev w HEAD +" + +test_expect_success "rebase -p is no-op when base inside second parent" " + reset_rebase && + git rebase -p e w && + test_cmp_rev w HEAD +" + +test_expect_failure "rebase -p --root on non-linear history is a no-op" " + reset_rebase && + git rebase -p --root w && + test_cmp_rev w HEAD +" + +test_expect_success "rebase -p re-creates merge from side branch" " + reset_rebase && + git rebase -p z w && + test_cmp_rev z HEAD^ && + test_cmp_rev w^2 HEAD^2 +" + +test_expect_success "rebase -p re-creates internal merge" " + reset_rebase && + git rebase -p c w && + test_cmp_rev c HEAD~4 && + test_cmp_rev HEAD^2^ HEAD~3 && + test_revision_subjects 'd n e o w' HEAD~3 HEAD~2 HEAD^2 HEAD^ HEAD +" + +test_expect_success "rebase -p can re-create two branches on onto" " + reset_rebase && + git rebase -p --onto c d w && + test_cmp_rev c HEAD~3 && + test_cmp_rev c HEAD^2^ && + test_revision_subjects 'n e o w' HEAD~2 HEAD^2 HEAD^ HEAD +" + +# f +# / +# a---b---c---g---h +# \ +# d---gp--i +# \ \ +# e-------u +# +# gp = cherry-picked g +# h = reverted g +test_expect_success 'setup of non-linear-history for patch-equivalence tests' ' + git checkout e && + test_merge u i +' + +test_expect_success "rebase -p re-creates history around dropped commit matching upstream" " + reset_rebase && + git rebase -p h u && + test_cmp_rev h HEAD~3 && + test_cmp_rev HEAD^2^ HEAD~2 && + test_revision_subjects 'd i e u' HEAD~2 HEAD^2 HEAD^ HEAD +" + +test_expect_success "rebase -p --onto in merged history drops patches in upstream" " + reset_rebase && + git rebase -p --onto f h u && + test_cmp_rev f HEAD~3 && + test_cmp_rev HEAD^2^ HEAD~2 && + test_revision_subjects 'd i e u' HEAD~2 HEAD^2 HEAD^ HEAD +" + +test_expect_success "rebase -p --onto in merged history does not drop patches in onto" " + reset_rebase && + git rebase -p --onto h f u && + test_cmp_rev h HEAD~3 && + test_cmp_rev HEAD^2~2 HEAD~2 && + test_revision_subjects 'd gp i e u' HEAD~2 HEAD^2^ HEAD^2 HEAD^ HEAD +" + +# a---b---c---g---h +# \ +# d---gp--s +# \ \ / +# \ X +# \ / \ +# e---t +# +# gp = cherry-picked g +# h = reverted g +test_expect_success 'setup of non-linear-history for dropping whole side' ' + git checkout gp && + test_merge s e && + git checkout e && + test_merge t gp +' + +test_expect_failure "rebase -p drops merge commit when entire first-parent side is dropped" " + reset_rebase && + git rebase -p h s && + test_cmp_rev h HEAD~2 && + test_linear_range 'd e' h.. +" + +test_expect_success "rebase -p drops merge commit when entire second-parent side is dropped" " + reset_rebase && + git rebase -p h t && + test_cmp_rev h HEAD~2 && + test_linear_range 'd e' h.. +" + +# a---b---c +# \ +# d---e +# \ \ +# n---r +# \ +# o +# +# r = tree-same with n +test_expect_success 'setup of non-linear-history for empty commits' ' + git checkout n && + git merge --no-commit e && + git reset n . && + git commit -m r && + git reset --hard && + git clean -f && + git tag r +' + +test_expect_success "rebase -p re-creates empty internal merge commit" " + reset_rebase && + git rebase -p c r && + test_cmp_rev c HEAD~3 && + test_cmp_rev HEAD^2^ HEAD~2 && + test_revision_subjects 'd e n r' HEAD~2 HEAD^2 HEAD^ HEAD +" + +test_expect_success "rebase -p re-creates empty merge commit" " + reset_rebase && + git rebase -p o r && + test_cmp_rev e HEAD^2 && + test_cmp_rev o HEAD^ && + test_revision_subjects 'r' HEAD +" + +test_done |