diff options
Diffstat (limited to 't/t3425-rebase-topology-merges.sh')
| -rwxr-xr-x | t/t3425-rebase-topology-merges.sh | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/t/t3425-rebase-topology-merges.sh b/t/t3425-rebase-topology-merges.sh new file mode 100755 index 0000000..846f85c --- /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 |