t / t3425-rebase-topology-merges.shon commit tag: factor out get_tagged_oid() (dad3f06)
   1#!/bin/sh
   2
   3test_description='rebase topology tests with merges'
   4. ./test-lib.sh
   5. "$TEST_DIRECTORY"/lib-rebase.sh
   6
   7test_revision_subjects () {
   8        expected="$1"
   9        shift
  10        set -- $(git log --format=%s --no-walk=unsorted "$@")
  11        test "$expected" = "$*"
  12}
  13
  14# a---b-----------c
  15#      \           \
  16#       d-------e   \
  17#        \       \   \
  18#         n---o---w---v
  19#              \
  20#               z
  21test_expect_success 'setup of non-linear-history' '
  22        test_commit a &&
  23        test_commit b &&
  24        test_commit c &&
  25        git checkout b &&
  26        test_commit d &&
  27        test_commit e &&
  28
  29        git checkout c &&
  30        test_commit g &&
  31        revert h g &&
  32        git checkout d &&
  33        cherry_pick gp g &&
  34        test_commit i &&
  35        git checkout b &&
  36        test_commit f &&
  37
  38        git checkout d &&
  39        test_commit n &&
  40        test_commit o &&
  41        test_merge w e &&
  42        test_merge v c &&
  43        git checkout o &&
  44        test_commit z
  45'
  46
  47test_run_rebase () {
  48        result=$1
  49        shift
  50        test_expect_$result "rebase $* after merge from upstream" "
  51                reset_rebase &&
  52                git rebase $* e w &&
  53                test_cmp_rev e HEAD~2 &&
  54                test_linear_range 'n o' e..
  55        "
  56}
  57test_run_rebase success ''
  58test_run_rebase success -m
  59test_run_rebase success -i
  60
  61test_run_rebase () {
  62        result=$1
  63        shift
  64        expected=$1
  65        shift
  66        test_expect_$result "rebase $* of non-linear history is linearized in place" "
  67                reset_rebase &&
  68                git rebase $* d w &&
  69                test_cmp_rev d HEAD~3 &&
  70                test_linear_range "\'"$expected"\'" d..
  71        "
  72}
  73test_run_rebase success 'n o e' ''
  74test_run_rebase success 'n o e' -m
  75test_run_rebase success 'n o e' -i
  76
  77test_run_rebase () {
  78        result=$1
  79        shift
  80        expected=$1
  81        shift
  82        test_expect_$result "rebase $* of non-linear history is linearized upstream" "
  83                reset_rebase &&
  84                git rebase $* c w &&
  85                test_cmp_rev c HEAD~4 &&
  86                test_linear_range "\'"$expected"\'" c..
  87        "
  88}
  89test_run_rebase success 'd n o e' ''
  90test_run_rebase success 'd n o e' -m
  91test_run_rebase success 'd n o e' -i
  92
  93test_run_rebase () {
  94        result=$1
  95        shift
  96        expected=$1
  97        shift
  98        test_expect_$result "rebase $* of non-linear history with merges after upstream merge is linearized" "
  99                reset_rebase &&
 100                git rebase $* c v &&
 101                test_cmp_rev c HEAD~4 &&
 102                test_linear_range "\'"$expected"\'" c..
 103        "
 104}
 105test_run_rebase success 'd n o e' ''
 106test_run_rebase success 'd n o e' -m
 107test_run_rebase success 'd n o e' -i
 108
 109if ! test_have_prereq REBASE_P; then
 110        skip_all='skipping git rebase -p tests, as asked for'
 111        test_done
 112fi
 113
 114test_expect_success "rebase -p is no-op in non-linear history" "
 115        reset_rebase &&
 116        git rebase -p d w &&
 117        test_cmp_rev w HEAD
 118"
 119
 120test_expect_success "rebase -p is no-op when base inside second parent" "
 121        reset_rebase &&
 122        git rebase -p e w &&
 123        test_cmp_rev w HEAD
 124"
 125
 126test_expect_failure "rebase -p --root on non-linear history is a no-op" "
 127        reset_rebase &&
 128        git rebase -p --root w &&
 129        test_cmp_rev w HEAD
 130"
 131
 132test_expect_success "rebase -p re-creates merge from side branch" "
 133        reset_rebase &&
 134        git rebase -p z w &&
 135        test_cmp_rev z HEAD^ &&
 136        test_cmp_rev w^2 HEAD^2
 137"
 138
 139test_expect_success "rebase -p re-creates internal merge" "
 140        reset_rebase &&
 141        git rebase -p c w &&
 142        test_cmp_rev c HEAD~4 &&
 143        test_cmp_rev HEAD^2^ HEAD~3 &&
 144        test_revision_subjects 'd n e o w' HEAD~3 HEAD~2 HEAD^2 HEAD^ HEAD
 145"
 146
 147test_expect_success "rebase -p can re-create two branches on onto" "
 148        reset_rebase &&
 149        git rebase -p --onto c d w &&
 150        test_cmp_rev c HEAD~3 &&
 151        test_cmp_rev c HEAD^2^ &&
 152        test_revision_subjects 'n e o w' HEAD~2 HEAD^2 HEAD^ HEAD
 153"
 154
 155#       f
 156#      /
 157# a---b---c---g---h
 158#      \
 159#       d---gp--i
 160#        \       \
 161#         e-------u
 162#
 163# gp = cherry-picked g
 164# h = reverted g
 165test_expect_success 'setup of non-linear-history for patch-equivalence tests' '
 166        git checkout e &&
 167        test_merge u i
 168'
 169
 170test_expect_success "rebase -p re-creates history around dropped commit matching upstream" "
 171        reset_rebase &&
 172        git rebase -p h u &&
 173        test_cmp_rev h HEAD~3 &&
 174        test_cmp_rev HEAD^2^ HEAD~2 &&
 175        test_revision_subjects 'd i e u' HEAD~2 HEAD^2 HEAD^ HEAD
 176"
 177
 178test_expect_success "rebase -p --onto in merged history drops patches in upstream" "
 179        reset_rebase &&
 180        git rebase -p --onto f h u &&
 181        test_cmp_rev f HEAD~3 &&
 182        test_cmp_rev HEAD^2^ HEAD~2 &&
 183        test_revision_subjects 'd i e u' HEAD~2 HEAD^2 HEAD^ HEAD
 184"
 185
 186test_expect_success "rebase -p --onto in merged history does not drop patches in onto" "
 187        reset_rebase &&
 188        git rebase -p --onto h f u &&
 189        test_cmp_rev h HEAD~3 &&
 190        test_cmp_rev HEAD^2~2 HEAD~2 &&
 191        test_revision_subjects 'd gp i e u' HEAD~2 HEAD^2^ HEAD^2 HEAD^ HEAD
 192"
 193
 194# a---b---c---g---h
 195#      \
 196#       d---gp--s
 197#        \   \ /
 198#         \   X
 199#          \ / \
 200#           e---t
 201#
 202# gp = cherry-picked g
 203# h = reverted g
 204test_expect_success 'setup of non-linear-history for dropping whole side' '
 205        git checkout gp &&
 206        test_merge s e &&
 207        git checkout e &&
 208        test_merge t gp
 209'
 210
 211test_expect_failure "rebase -p drops merge commit when entire first-parent side is dropped" "
 212        reset_rebase &&
 213        git rebase -p h s &&
 214        test_cmp_rev h HEAD~2 &&
 215        test_linear_range 'd e' h..
 216"
 217
 218test_expect_success "rebase -p drops merge commit when entire second-parent side is dropped" "
 219        reset_rebase &&
 220        git rebase -p h t &&
 221        test_cmp_rev h HEAD~2 &&
 222        test_linear_range 'd e' h..
 223"
 224
 225# a---b---c
 226#      \
 227#       d---e
 228#        \   \
 229#         n---r
 230#          \
 231#           o
 232#
 233# r = tree-same with n
 234test_expect_success 'setup of non-linear-history for empty commits' '
 235        git checkout n &&
 236        git merge --no-commit e &&
 237        git reset n . &&
 238        git commit -m r &&
 239        git reset --hard &&
 240        git clean -f &&
 241        git tag r
 242'
 243
 244test_expect_success "rebase -p re-creates empty internal merge commit" "
 245        reset_rebase &&
 246        git rebase -p c r &&
 247        test_cmp_rev c HEAD~3 &&
 248        test_cmp_rev HEAD^2^ HEAD~2 &&
 249        test_revision_subjects 'd e n r' HEAD~2 HEAD^2 HEAD^ HEAD
 250"
 251
 252test_expect_success "rebase -p re-creates empty merge commit" "
 253        reset_rebase &&
 254        git rebase -p o r &&
 255        test_cmp_rev e HEAD^2 &&
 256        test_cmp_rev o HEAD^ &&
 257        test_revision_subjects 'r' HEAD
 258"
 259
 260test_done