t/t1700-split-index.sh

   1 #!/bin/sh
   2
   3 test_description='split index mode tests'
   4
   5 . ./test-lib.sh
   6
   7 # We need total control of index splitting here
   8 sane_unset GIT_TEST_SPLIT_INDEX
   9
  10 test_expect_success 'enable split index' '
  11         git config splitIndex.maxPercentChange 100 &&
  12         git update-index --split-index &&
  13         test-dump-split-index .git/index >actual &&
  14         indexversion=$(test-index-version <.git/index) &&
  15         if test "$indexversion" = "4"
  16         then
  17                 own=432ef4b63f32193984f339431fd50ca796493569
  18                 base=508851a7f0dfa8691e9f69c7f055865389012491
  19         else
  20                 own=8299b0bcd1ac364e5f1d7768efb62fa2da79a339
  21                 base=39d890139ee5356c7ef572216cebcd27aa41f9df
  22         fi &&
  23         cat >expect <<-EOF &&
  24         own $own
  25         base $base
  26         replacements:
  27         deletions:
  28         EOF
  29         test_cmp expect actual
  30 '
  31
  32 test_expect_success 'add one file' '
  33         : >one &&
  34         git update-index --add one &&
  35         git ls-files --stage >ls-files.actual &&
  36         cat >ls-files.expect <<-EOF &&
  37         100644 $EMPTY_BLOB 0    one
  38         EOF
  39         test_cmp ls-files.expect ls-files.actual &&
  40
  41         test-dump-split-index .git/index | sed "/^own/d" >actual &&
  42         cat >expect <<-EOF &&
  43         base $base
  44         100644 $EMPTY_BLOB 0    one
  45         replacements:
  46         deletions:
  47         EOF
  48         test_cmp expect actual
  49 '
  50
  51 test_expect_success 'disable split index' '
  52         git update-index --no-split-index &&
  53         git ls-files --stage >ls-files.actual &&
  54         cat >ls-files.expect <<-EOF &&
  55         100644 $EMPTY_BLOB 0    one
  56         EOF
  57         test_cmp ls-files.expect ls-files.actual &&
  58
  59         BASE=$(test-dump-split-index .git/index | grep "^own" | sed "s/own/base/") &&
  60         test-dump-split-index .git/index | sed "/^own/d" >actual &&
  61         cat >expect <<-EOF &&
  62         not a split index
  63         EOF
  64         test_cmp expect actual
  65 '
  66
  67 test_expect_success 'enable split index again, "one" now belongs to base index"' '
  68         git update-index --split-index &&
  69         git ls-files --stage >ls-files.actual &&
  70         cat >ls-files.expect <<-EOF &&
  71         100644 $EMPTY_BLOB 0    one
  72         EOF
  73         test_cmp ls-files.expect ls-files.actual &&
  74
  75         test-dump-split-index .git/index | sed "/^own/d" >actual &&
  76         cat >expect <<-EOF &&
  77         $BASE
  78         replacements:
  79         deletions:
  80         EOF
  81         test_cmp expect actual
  82 '
  83
  84 test_expect_success 'modify original file, base index untouched' '
  85         echo modified >one &&
  86         git update-index one &&
  87         git ls-files --stage >ls-files.actual &&
  88         cat >ls-files.expect <<-EOF &&
  89         100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0       one
  90         EOF
  91         test_cmp ls-files.expect ls-files.actual &&
  92
  93         test-dump-split-index .git/index | sed "/^own/d" >actual &&
  94         q_to_tab >expect <<-EOF &&
  95         $BASE
  96         100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
  97         replacements: 0
  98         deletions:
  99         EOF
 100         test_cmp expect actual
 101 '
 102
 103 test_expect_success 'add another file, which stays index' '
 104         : >two &&
 105         git update-index --add two &&
 106         git ls-files --stage >ls-files.actual &&
 107         cat >ls-files.expect <<-EOF &&
 108         100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0       one
 109         100644 $EMPTY_BLOB 0    two
 110         EOF
 111         test_cmp ls-files.expect ls-files.actual &&
 112
 113         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 114         q_to_tab >expect <<-EOF &&
 115         $BASE
 116         100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
 117         100644 $EMPTY_BLOB 0    two
 118         replacements: 0
 119         deletions:
 120         EOF
 121         test_cmp expect actual
 122 '
 123
 124 test_expect_success 'remove file not in base index' '
 125         git update-index --force-remove two &&
 126         git ls-files --stage >ls-files.actual &&
 127         cat >ls-files.expect <<-EOF &&
 128         100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0       one
 129         EOF
 130         test_cmp ls-files.expect ls-files.actual &&
 131
 132         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 133         q_to_tab >expect <<-EOF &&
 134         $BASE
 135         100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
 136         replacements: 0
 137         deletions:
 138         EOF
 139         test_cmp expect actual
 140 '
 141
 142 test_expect_success 'remove file in base index' '
 143         git update-index --force-remove one &&
 144         git ls-files --stage >ls-files.actual &&
 145         cat >ls-files.expect <<-EOF &&
 146         EOF
 147         test_cmp ls-files.expect ls-files.actual &&
 148
 149         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 150         cat >expect <<-EOF &&
 151         $BASE
 152         replacements:
 153         deletions: 0
 154         EOF
 155         test_cmp expect actual
 156 '
 157
 158 test_expect_success 'add original file back' '
 159         : >one &&
 160         git update-index --add one &&
 161         git ls-files --stage >ls-files.actual &&
 162         cat >ls-files.expect <<-EOF &&
 163         100644 $EMPTY_BLOB 0    one
 164         EOF
 165         test_cmp ls-files.expect ls-files.actual &&
 166
 167         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 168         cat >expect <<-EOF &&
 169         $BASE
 170         100644 $EMPTY_BLOB 0    one
 171         replacements:
 172         deletions: 0
 173         EOF
 174         test_cmp expect actual
 175 '
 176
 177 test_expect_success 'add new file' '
 178         : >two &&
 179         git update-index --add two &&
 180         git ls-files --stage >actual &&
 181         cat >expect <<-EOF &&
 182         100644 $EMPTY_BLOB 0    one
 183         100644 $EMPTY_BLOB 0    two
 184         EOF
 185         test_cmp expect actual
 186 '
 187
 188 test_expect_success 'unify index, two files remain' '
 189         git update-index --no-split-index &&
 190         git ls-files --stage >ls-files.actual &&
 191         cat >ls-files.expect <<-EOF &&
 192         100644 $EMPTY_BLOB 0    one
 193         100644 $EMPTY_BLOB 0    two
 194         EOF
 195         test_cmp ls-files.expect ls-files.actual &&
 196
 197         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 198         cat >expect <<-EOF &&
 199         not a split index
 200         EOF
 201         test_cmp expect actual
 202 '
 203
 204 test_expect_success 'rev-parse --shared-index-path' '
 205         test_create_repo split-index &&
 206         (
 207                 cd split-index &&
 208                 git update-index --split-index &&
 209                 echo .git/sharedindex* >expect &&
 210                 git rev-parse --shared-index-path >actual &&
 211                 test_cmp expect actual &&
 212                 mkdir subdirectory &&
 213                 cd subdirectory &&
 214                 echo ../.git/sharedindex* >expect &&
 215                 git rev-parse --shared-index-path >actual &&
 216                 test_cmp expect actual
 217         )
 218 '
 219
 220 test_expect_success 'set core.splitIndex config variable to true' '
 221         git config core.splitIndex true &&
 222         : >three &&
 223         git update-index --add three &&
 224         git ls-files --stage >ls-files.actual &&
 225         cat >ls-files.expect <<-EOF &&
 226         100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       one
 227         100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       three
 228         100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       two
 229         EOF
 230         test_cmp ls-files.expect ls-files.actual &&
 231         BASE=$(test-dump-split-index .git/index | grep "^base") &&
 232         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 233         cat >expect <<-EOF &&
 234         $BASE
 235         replacements:
 236         deletions:
 237         EOF
 238         test_cmp expect actual
 239 '
 240
 241 test_expect_success 'set core.splitIndex config variable to false' '
 242         git config core.splitIndex false &&
 243         git update-index --force-remove three &&
 244         git ls-files --stage >ls-files.actual &&
 245         cat >ls-files.expect <<-EOF &&
 246         100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       one
 247         100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       two
 248         EOF
 249         test_cmp ls-files.expect ls-files.actual &&
 250         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 251         cat >expect <<-EOF &&
 252         not a split index
 253         EOF
 254         test_cmp expect actual
 255 '
 256
 257 test_expect_success 'set core.splitIndex config variable to true' '
 258         git config core.splitIndex true &&
 259         : >three &&
 260         git update-index --add three &&
 261         BASE=$(test-dump-split-index .git/index | grep "^base") &&
 262         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 263         cat >expect <<-EOF &&
 264         $BASE
 265         replacements:
 266         deletions:
 267         EOF
 268         test_cmp expect actual &&
 269         : >four &&
 270         git update-index --add four &&
 271         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 272         cat >expect <<-EOF &&
 273         $BASE
 274         100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       four
 275         replacements:
 276         deletions:
 277         EOF
 278         test_cmp expect actual
 279 '
 280
 281 test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
 282         git config --unset splitIndex.maxPercentChange &&
 283         : >five &&
 284         git update-index --add five &&
 285         BASE=$(test-dump-split-index .git/index | grep "^base") &&
 286         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 287         cat >expect <<-EOF &&
 288         $BASE
 289         replacements:
 290         deletions:
 291         EOF
 292         test_cmp expect actual &&
 293         : >six &&
 294         git update-index --add six &&
 295         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 296         cat >expect <<-EOF &&
 297         $BASE
 298         100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       six
 299         replacements:
 300         deletions:
 301         EOF
 302         test_cmp expect actual
 303 '
 304
 305 test_expect_success 'check splitIndex.maxPercentChange set to 0' '
 306         git config splitIndex.maxPercentChange 0 &&
 307         : >seven &&
 308         git update-index --add seven &&
 309         BASE=$(test-dump-split-index .git/index | grep "^base") &&
 310         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 311         cat >expect <<-EOF &&
 312         $BASE
 313         replacements:
 314         deletions:
 315         EOF
 316         test_cmp expect actual &&
 317         : >eight &&
 318         git update-index --add eight &&
 319         BASE=$(test-dump-split-index .git/index | grep "^base") &&
 320         test-dump-split-index .git/index | sed "/^own/d" >actual &&
 321         cat >expect <<-EOF &&
 322         $BASE
 323         replacements:
 324         deletions:
 325         EOF
 326         test_cmp expect actual
 327 '
 328
 329 test_expect_success 'shared index files expire after 2 weeks by default' '
 330         : >ten &&
 331         git update-index --add ten &&
 332         test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 333         just_under_2_weeks_ago=$((5-14*86400)) &&
 334         test-chmtime =$just_under_2_weeks_ago .git/sharedindex.* &&
 335         : >eleven &&
 336         git update-index --add eleven &&
 337         test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 338         just_over_2_weeks_ago=$((-1-14*86400)) &&
 339         test-chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
 340         : >twelve &&
 341         git update-index --add twelve &&
 342         test $(ls .git/sharedindex.* | wc -l) -le 2
 343 '
 344
 345 test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
 346         git config splitIndex.sharedIndexExpire "16.days.ago" &&
 347         test-chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
 348         : >thirteen &&
 349         git update-index --add thirteen &&
 350         test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 351         just_over_16_days_ago=$((-1-16*86400)) &&
 352         test-chmtime =$just_over_16_days_ago .git/sharedindex.* &&
 353         : >fourteen &&
 354         git update-index --add fourteen &&
 355         test $(ls .git/sharedindex.* | wc -l) -le 2
 356 '
 357
 358 test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"' '
 359         git config splitIndex.sharedIndexExpire never &&
 360         just_10_years_ago=$((-365*10*86400)) &&
 361         test-chmtime =$just_10_years_ago .git/sharedindex.* &&
 362         : >fifteen &&
 363         git update-index --add fifteen &&
 364         test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 365         git config splitIndex.sharedIndexExpire now &&
 366         just_1_second_ago=-1 &&
 367         test-chmtime =$just_1_second_ago .git/sharedindex.* &&
 368         : >sixteen &&
 369         git update-index --add sixteen &&
 370         test $(ls .git/sharedindex.* | wc -l) -le 2
 371 '
 372
 373 while read -r mode modebits
 374 do
 375         test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
 376                 # Remove existing shared index files
 377                 git config core.splitIndex false &&
 378                 git update-index --force-remove one &&
 379                 rm -f .git/sharedindex.* &&
 380                 # Create one new shared index file
 381                 git config core.sharedrepository "$mode" &&
 382                 git config core.splitIndex true &&
 383                 : >one &&
 384                 git update-index --add one &&
 385                 echo "$modebits" >expect &&
 386                 test_modebits .git/index >actual &&
 387                 test_cmp expect actual &&
 388                 shared=$(ls .git/sharedindex.*) &&
 389                 case "$shared" in
 390                 *" "*)
 391                         # we have more than one???
 392                         false ;;
 393                 *)
 394                         test_modebits "$shared" >actual &&
 395                         test_cmp expect actual ;;
 396                 esac
 397         '
 398 done <<\EOF
 399 0666 -rw-rw-rw-
 400 0642 -rw-r---w-
 401 EOF
 402
 403 test_done