t/t1002-read-tree-m-u-2way.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 test_description='Two way merge with read-tree -m -u $H $M
   7
   8 This is identical to t1001, but uses -u to update the work tree as well.
   9
  10 '
  11 . ./test-lib.sh
  12 . "$TEST_DIRECTORY"/lib-read-tree.sh
  13
  14 compare_change () {
  15         sed >current \
  16             -e '1{/^diff --git /d;}' \
  17             -e '2{/^index /d;}' \
  18             -e '/^--- /d; /^+++ /d; /^@@ /d;' \
  19             -e 's/^\(.[0-7][0-7][0-7][0-7][0-7][0-7]\) '"$_x40"' /\1 X /' "$1"
  20         test_cmp expected current
  21 }
  22
  23 check_cache_at () {
  24         clean_if_empty=`git diff-files -- "$1"`
  25         case "$clean_if_empty" in
  26         '')  echo "$1: clean" ;;
  27         ?*)  echo "$1: dirty" ;;
  28         esac
  29         case "$2,$clean_if_empty" in
  30         clean,)         :     ;;
  31         clean,?*)       false ;;
  32         dirty,)         false ;;
  33         dirty,?*)       :     ;;
  34         esac
  35 }
  36
  37 test_expect_success \
  38     setup \
  39     'echo frotz >frotz &&
  40      echo nitfol >nitfol &&
  41      echo bozbar >bozbar &&
  42      echo rezrov >rezrov &&
  43      git update-index --add nitfol bozbar rezrov &&
  44      treeH=`git write-tree` &&
  45      echo treeH $treeH &&
  46      git ls-tree $treeH &&
  47
  48      echo gnusto >bozbar &&
  49      git update-index --add frotz bozbar --force-remove rezrov &&
  50      git ls-files --stage >M.out &&
  51      treeM=`git write-tree` &&
  52      echo treeM $treeM &&
  53      git ls-tree $treeM &&
  54      sum bozbar frotz nitfol >M.sum &&
  55      git diff-tree $treeH $treeM'
  56
  57 test_expect_success \
  58     '1, 2, 3 - no carry forward' \
  59     'rm -f .git/index nitfol bozbar rezrov frotz &&
  60      read_tree_u_must_succeed --reset -u $treeH &&
  61      read_tree_u_must_succeed -m -u $treeH $treeM &&
  62      git ls-files --stage >1-3.out &&
  63      cmp M.out 1-3.out &&
  64      sum bozbar frotz nitfol >actual3.sum &&
  65      cmp M.sum actual3.sum &&
  66      check_cache_at bozbar clean &&
  67      check_cache_at frotz clean &&
  68      check_cache_at nitfol clean'
  69
  70 test_expect_success \
  71     '4 - carry forward local addition.' \
  72     'rm -f .git/index nitfol bozbar rezrov frotz &&
  73      read_tree_u_must_succeed --reset -u $treeH &&
  74      echo "+100644 X 0  yomin" >expected &&
  75      echo yomin >yomin &&
  76      git update-index --add yomin &&
  77      read_tree_u_must_succeed -m -u $treeH $treeM &&
  78      git ls-files --stage >4.out || return 1
  79      git diff -U0 --no-index M.out 4.out >4diff.out
  80      compare_change 4diff.out expected &&
  81      check_cache_at yomin clean &&
  82      sum bozbar frotz nitfol >actual4.sum &&
  83      cmp M.sum actual4.sum &&
  84      echo yomin >yomin1 &&
  85      diff yomin yomin1 &&
  86      rm -f yomin1'
  87
  88 test_expect_success \
  89     '5 - carry forward local addition.' \
  90     'rm -f .git/index nitfol bozbar rezrov frotz &&
  91      read_tree_u_must_succeed --reset -u $treeH &&
  92      read_tree_u_must_succeed -m -u $treeH &&
  93      echo yomin >yomin &&
  94      git update-index --add yomin &&
  95      echo yomin yomin >yomin &&
  96      read_tree_u_must_succeed -m -u $treeH $treeM &&
  97      git ls-files --stage >5.out || return 1
  98      git diff -U0 --no-index M.out 5.out >5diff.out
  99      compare_change 5diff.out expected &&
 100      check_cache_at yomin dirty &&
 101      sum bozbar frotz nitfol >actual5.sum &&
 102      cmp M.sum actual5.sum &&
 103      : dirty index should have prevented -u from checking it out. &&
 104      echo yomin yomin >yomin1 &&
 105      diff yomin yomin1 &&
 106      rm -f yomin1'
 107
 108 test_expect_success \
 109     '6 - local addition already has the same.' \
 110     'rm -f .git/index nitfol bozbar rezrov frotz &&
 111      read_tree_u_must_succeed --reset -u $treeH &&
 112      echo frotz >frotz &&
 113      git update-index --add frotz &&
 114      read_tree_u_must_succeed -m -u $treeH $treeM &&
 115      git ls-files --stage >6.out &&
 116      test_cmp M.out 6.out &&
 117      check_cache_at frotz clean &&
 118      sum bozbar frotz nitfol >actual3.sum &&
 119      cmp M.sum actual3.sum &&
 120      echo frotz >frotz1 &&
 121      diff frotz frotz1 &&
 122      rm -f frotz1'
 123
 124 test_expect_success \
 125     '7 - local addition already has the same.' \
 126     'rm -f .git/index nitfol bozbar rezrov frotz &&
 127      read_tree_u_must_succeed --reset -u $treeH &&
 128      echo frotz >frotz &&
 129      git update-index --add frotz &&
 130      echo frotz frotz >frotz &&
 131      read_tree_u_must_succeed -m -u $treeH $treeM &&
 132      git ls-files --stage >7.out &&
 133      test_cmp M.out 7.out &&
 134      check_cache_at frotz dirty &&
 135      sum bozbar frotz nitfol >actual7.sum &&
 136      if cmp M.sum actual7.sum; then false; else :; fi &&
 137      : dirty index should have prevented -u from checking it out. &&
 138      echo frotz frotz >frotz1 &&
 139      diff frotz frotz1 &&
 140      rm -f frotz1'
 141
 142 test_expect_success \
 143     '8 - conflicting addition.' \
 144     'rm -f .git/index nitfol bozbar rezrov frotz &&
 145      read_tree_u_must_succeed --reset -u $treeH &&
 146      echo frotz frotz >frotz &&
 147      git update-index --add frotz &&
 148      if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
 149
 150 test_expect_success \
 151     '9 - conflicting addition.' \
 152     'rm -f .git/index nitfol bozbar rezrov frotz &&
 153      read_tree_u_must_succeed --reset -u $treeH &&
 154      echo frotz frotz >frotz &&
 155      git update-index --add frotz &&
 156      echo frotz >frotz &&
 157      if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
 158
 159 test_expect_success \
 160     '10 - path removed.' \
 161     'rm -f .git/index nitfol bozbar rezrov frotz &&
 162      read_tree_u_must_succeed --reset -u $treeH &&
 163      echo rezrov >rezrov &&
 164      git update-index --add rezrov &&
 165      read_tree_u_must_succeed -m -u $treeH $treeM &&
 166      git ls-files --stage >10.out &&
 167      cmp M.out 10.out &&
 168      sum bozbar frotz nitfol >actual10.sum &&
 169      cmp M.sum actual10.sum'
 170
 171 test_expect_success \
 172     '11 - dirty path removed.' \
 173     'rm -f .git/index nitfol bozbar rezrov frotz &&
 174      read_tree_u_must_succeed --reset -u $treeH &&
 175      echo rezrov >rezrov &&
 176      git update-index --add rezrov &&
 177      echo rezrov rezrov >rezrov &&
 178      if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
 179
 180 test_expect_success \
 181     '12 - unmatching local changes being removed.' \
 182     'rm -f .git/index nitfol bozbar rezrov frotz &&
 183      read_tree_u_must_succeed --reset -u $treeH &&
 184      echo rezrov rezrov >rezrov &&
 185      git update-index --add rezrov &&
 186      if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
 187
 188 test_expect_success \
 189     '13 - unmatching local changes being removed.' \
 190     'rm -f .git/index nitfol bozbar rezrov frotz &&
 191      read_tree_u_must_succeed --reset -u $treeH &&
 192      echo rezrov rezrov >rezrov &&
 193      git update-index --add rezrov &&
 194      echo rezrov >rezrov &&
 195      if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
 196
 197 cat >expected <<EOF
 198 -100644 X 0     nitfol
 199 +100644 X 0     nitfol
 200 EOF
 201
 202 test_expect_success \
 203     '14 - unchanged in two heads.' \
 204     'rm -f .git/index nitfol bozbar rezrov frotz &&
 205      read_tree_u_must_succeed --reset -u $treeH &&
 206      echo nitfol nitfol >nitfol &&
 207      git update-index --add nitfol &&
 208      read_tree_u_must_succeed -m -u $treeH $treeM &&
 209      git ls-files --stage >14.out &&
 210      test_must_fail git diff -U0 --no-index M.out 14.out >14diff.out &&
 211      compare_change 14diff.out expected &&
 212      sum bozbar frotz >actual14.sum &&
 213      grep -v nitfol M.sum > expected14.sum &&
 214      cmp expected14.sum actual14.sum &&
 215      sum bozbar frotz nitfol >actual14a.sum &&
 216      if cmp M.sum actual14a.sum; then false; else :; fi &&
 217      check_cache_at nitfol clean &&
 218      echo nitfol nitfol >nitfol1 &&
 219      diff nitfol nitfol1 &&
 220      rm -f nitfol1'
 221
 222 test_expect_success \
 223     '15 - unchanged in two heads.' \
 224     'rm -f .git/index nitfol bozbar rezrov frotz &&
 225      read_tree_u_must_succeed --reset -u $treeH &&
 226      echo nitfol nitfol >nitfol &&
 227      git update-index --add nitfol &&
 228      echo nitfol nitfol nitfol >nitfol &&
 229      read_tree_u_must_succeed -m -u $treeH $treeM &&
 230      git ls-files --stage >15.out &&
 231      test_must_fail git diff -U0 --no-index M.out 15.out >15diff.out &&
 232      compare_change 15diff.out expected &&
 233      check_cache_at nitfol dirty &&
 234      sum bozbar frotz >actual15.sum &&
 235      grep -v nitfol M.sum > expected15.sum &&
 236      cmp expected15.sum actual15.sum &&
 237      sum bozbar frotz nitfol >actual15a.sum &&
 238      if cmp M.sum actual15a.sum; then false; else :; fi &&
 239      echo nitfol nitfol nitfol >nitfol1 &&
 240      diff nitfol nitfol1 &&
 241      rm -f nitfol1'
 242
 243 test_expect_success \
 244     '16 - conflicting local change.' \
 245     'rm -f .git/index nitfol bozbar rezrov frotz &&
 246      read_tree_u_must_succeed --reset -u $treeH &&
 247      echo bozbar bozbar >bozbar &&
 248      git update-index --add bozbar &&
 249      if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
 250
 251 test_expect_success \
 252     '17 - conflicting local change.' \
 253     'rm -f .git/index nitfol bozbar rezrov frotz &&
 254      read_tree_u_must_succeed --reset -u $treeH &&
 255      echo bozbar bozbar >bozbar &&
 256      git update-index --add bozbar &&
 257      echo bozbar bozbar bozbar >bozbar &&
 258      if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
 259
 260 test_expect_success \
 261     '18 - local change already having a good result.' \
 262     'rm -f .git/index nitfol bozbar rezrov frotz &&
 263      read_tree_u_must_succeed --reset -u $treeH &&
 264      echo gnusto >bozbar &&
 265      git update-index --add bozbar &&
 266      read_tree_u_must_succeed -m -u $treeH $treeM &&
 267      git ls-files --stage >18.out &&
 268      test_cmp M.out 18.out &&
 269      check_cache_at bozbar clean &&
 270      sum bozbar frotz nitfol >actual18.sum &&
 271      cmp M.sum actual18.sum'
 272
 273 test_expect_success \
 274     '19 - local change already having a good result, further modified.' \
 275     'rm -f .git/index nitfol bozbar rezrov frotz &&
 276      read_tree_u_must_succeed --reset -u $treeH &&
 277      echo gnusto >bozbar &&
 278      git update-index --add bozbar &&
 279      echo gnusto gnusto >bozbar &&
 280      read_tree_u_must_succeed -m -u $treeH $treeM &&
 281      git ls-files --stage >19.out &&
 282      test_cmp M.out 19.out &&
 283      check_cache_at bozbar dirty &&
 284      sum frotz nitfol >actual19.sum &&
 285      grep -v bozbar  M.sum > expected19.sum &&
 286      cmp expected19.sum actual19.sum &&
 287      sum bozbar frotz nitfol >actual19a.sum &&
 288      if cmp M.sum actual19a.sum; then false; else :; fi &&
 289      echo gnusto gnusto >bozbar1 &&
 290      diff bozbar bozbar1 &&
 291      rm -f bozbar1'
 292
 293 test_expect_success \
 294     '20 - no local change, use new tree.' \
 295     'rm -f .git/index nitfol bozbar rezrov frotz &&
 296      read_tree_u_must_succeed --reset -u $treeH &&
 297      echo bozbar >bozbar &&
 298      git update-index --add bozbar &&
 299      read_tree_u_must_succeed -m -u $treeH $treeM &&
 300      git ls-files --stage >20.out &&
 301      test_cmp M.out 20.out &&
 302      check_cache_at bozbar clean &&
 303      sum bozbar frotz nitfol >actual20.sum &&
 304      cmp M.sum actual20.sum'
 305
 306 test_expect_success \
 307     '21 - no local change, dirty cache.' \
 308     'rm -f .git/index nitfol bozbar rezrov frotz &&
 309      read_tree_u_must_succeed --reset -u $treeH &&
 310      echo bozbar >bozbar &&
 311      git update-index --add bozbar &&
 312      echo gnusto gnusto >bozbar &&
 313      if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
 314
 315 # Also make sure we did not break DF vs DF/DF case.
 316 test_expect_success \
 317     'DF vs DF/DF case setup.' \
 318     'rm -f .git/index &&
 319      echo DF >DF &&
 320      git update-index --add DF &&
 321      treeDF=`git write-tree` &&
 322      echo treeDF $treeDF &&
 323      git ls-tree $treeDF &&
 324
 325      rm -f DF &&
 326      mkdir DF &&
 327      echo DF/DF >DF/DF &&
 328      git update-index --add --remove DF DF/DF &&
 329      treeDFDF=`git write-tree` &&
 330      echo treeDFDF $treeDFDF &&
 331      git ls-tree $treeDFDF &&
 332      git ls-files --stage >DFDF.out'
 333
 334 test_expect_success \
 335     'DF vs DF/DF case test.' \
 336     'rm -f .git/index &&
 337      rm -fr DF &&
 338      echo DF >DF &&
 339      git update-index --add DF &&
 340      read_tree_u_must_succeed -m -u $treeDF $treeDFDF &&
 341      git ls-files --stage >DFDFcheck.out &&
 342      test_cmp DFDF.out DFDFcheck.out &&
 343      check_cache_at DF/DF clean'
 344
 345 test_done