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t / t1002-read-tree-m-u-2way.shon commit commit: do not ignore an empty message given by -m '' (27014cb)
   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Junio C Hamano
   4#
   5
   6test_description='Two way merge with read-tree -m -u $H $M
   7
   8This is identical to t1001, but uses -u to update the work tree as well.
   9
  10'
  11. ./test-lib.sh
  12. "$TEST_DIRECTORY"/lib-read-tree.sh
  13
  14compare_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 /' "$1"
  20        test_cmp expected current
  21}
  22
  23check_cache_at () {
  24        clean_if_empty=$(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
  37test_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
  57test_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
  70test_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 &&
  79     test_might_fail 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
  88test_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 &&
  98     test_might_fail 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
 108test_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
 124test_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
 142test_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
 150test_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
 159test_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
 171test_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
 180test_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
 188test_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
 197cat >expected <<EOF
 198-100644 X 0     nitfol
 199+100644 X 0     nitfol
 200EOF
 201
 202test_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
 222test_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
 243test_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
 251test_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
 260test_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
 273test_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
 293test_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
 306test_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 $treeM; then false; else :; fi'
 314
 315# Also make sure we did not break DF vs DF/DF case.
 316test_expect_success \
 317    'DF vs DF/DF case setup.' \
 318    'rm -f .git/index &&
 319     echo DF >DF &&
 320     git update-index --add DF &&
 321     treeDF=$(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
 334test_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
 345test_done