Andrew's git - gitweb.git/blob - t/t1700-split-index.sh

   1#!/bin/sh
   2
   3test_description='split index mode tests'
   4
   5. ./test-lib.sh
   6
   7# We need total control of index splitting here
   8sane_unset GIT_TEST_SPLIT_INDEX
   9sane_unset GIT_FSMONITOR_TEST
  10
  11test_expect_success 'enable split index' '
  12        git config splitIndex.maxPercentChange 100 &&
  13        git update-index --split-index &&
  14        test-tool dump-split-index .git/index >actual &&
  15        indexversion=$(test-tool index-version <.git/index) &&
  16        if test "$indexversion" = "4"
  17        then
  18                own=432ef4b63f32193984f339431fd50ca796493569
  19                base=508851a7f0dfa8691e9f69c7f055865389012491
  20        else
  21                own=8299b0bcd1ac364e5f1d7768efb62fa2da79a339
  22                base=39d890139ee5356c7ef572216cebcd27aa41f9df
  23        fi &&
  24        cat >expect <<-EOF &&
  25        own $own
  26        base $base
  27        replacements:
  28        deletions:
  29        EOF
  30        test_cmp expect actual
  31'
  32
  33test_expect_success 'add one file' '
  34        : >one &&
  35        git update-index --add one &&
  36        git ls-files --stage >ls-files.actual &&
  37        cat >ls-files.expect <<-EOF &&
  38        100644 $EMPTY_BLOB 0    one
  39        EOF
  40        test_cmp ls-files.expect ls-files.actual &&
  41
  42        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
  43        cat >expect <<-EOF &&
  44        base $base
  45        100644 $EMPTY_BLOB 0    one
  46        replacements:
  47        deletions:
  48        EOF
  49        test_cmp expect actual
  50'
  51
  52test_expect_success 'disable split index' '
  53        git update-index --no-split-index &&
  54        git ls-files --stage >ls-files.actual &&
  55        cat >ls-files.expect <<-EOF &&
  56        100644 $EMPTY_BLOB 0    one
  57        EOF
  58        test_cmp ls-files.expect ls-files.actual &&
  59
  60        BASE=$(test-tool dump-split-index .git/index | grep "^own" | sed "s/own/base/") &&
  61        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
  62        cat >expect <<-EOF &&
  63        not a split index
  64        EOF
  65        test_cmp expect actual
  66'
  67
  68test_expect_success 'enable split index again, "one" now belongs to base index"' '
  69        git update-index --split-index &&
  70        git ls-files --stage >ls-files.actual &&
  71        cat >ls-files.expect <<-EOF &&
  72        100644 $EMPTY_BLOB 0    one
  73        EOF
  74        test_cmp ls-files.expect ls-files.actual &&
  75
  76        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
  77        cat >expect <<-EOF &&
  78        $BASE
  79        replacements:
  80        deletions:
  81        EOF
  82        test_cmp expect actual
  83'
  84
  85test_expect_success 'modify original file, base index untouched' '
  86        echo modified >one &&
  87        git update-index one &&
  88        git ls-files --stage >ls-files.actual &&
  89        cat >ls-files.expect <<-EOF &&
  90        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0       one
  91        EOF
  92        test_cmp ls-files.expect ls-files.actual &&
  93
  94        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
  95        q_to_tab >expect <<-EOF &&
  96        $BASE
  97        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
  98        replacements: 0
  99        deletions:
 100        EOF
 101        test_cmp expect actual
 102'
 103
 104test_expect_success 'add another file, which stays index' '
 105        : >two &&
 106        git update-index --add two &&
 107        git ls-files --stage >ls-files.actual &&
 108        cat >ls-files.expect <<-EOF &&
 109        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0       one
 110        100644 $EMPTY_BLOB 0    two
 111        EOF
 112        test_cmp ls-files.expect ls-files.actual &&
 113
 114        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 115        q_to_tab >expect <<-EOF &&
 116        $BASE
 117        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
 118        100644 $EMPTY_BLOB 0    two
 119        replacements: 0
 120        deletions:
 121        EOF
 122        test_cmp expect actual
 123'
 124
 125test_expect_success 'remove file not in base index' '
 126        git update-index --force-remove two &&
 127        git ls-files --stage >ls-files.actual &&
 128        cat >ls-files.expect <<-EOF &&
 129        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0       one
 130        EOF
 131        test_cmp ls-files.expect ls-files.actual &&
 132
 133        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 134        q_to_tab >expect <<-EOF &&
 135        $BASE
 136        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
 137        replacements: 0
 138        deletions:
 139        EOF
 140        test_cmp expect actual
 141'
 142
 143test_expect_success 'remove file in base index' '
 144        git update-index --force-remove one &&
 145        git ls-files --stage >ls-files.actual &&
 146        test_must_be_empty ls-files.actual &&
 147
 148        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 149        cat >expect <<-EOF &&
 150        $BASE
 151        replacements:
 152        deletions: 0
 153        EOF
 154        test_cmp expect actual
 155'
 156
 157test_expect_success 'add original file back' '
 158        : >one &&
 159        git update-index --add one &&
 160        git ls-files --stage >ls-files.actual &&
 161        cat >ls-files.expect <<-EOF &&
 162        100644 $EMPTY_BLOB 0    one
 163        EOF
 164        test_cmp ls-files.expect ls-files.actual &&
 165
 166        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 167        cat >expect <<-EOF &&
 168        $BASE
 169        100644 $EMPTY_BLOB 0    one
 170        replacements:
 171        deletions: 0
 172        EOF
 173        test_cmp expect actual
 174'
 175
 176test_expect_success 'add new file' '
 177        : >two &&
 178        git update-index --add two &&
 179        git ls-files --stage >actual &&
 180        cat >expect <<-EOF &&
 181        100644 $EMPTY_BLOB 0    one
 182        100644 $EMPTY_BLOB 0    two
 183        EOF
 184        test_cmp expect actual
 185'
 186
 187test_expect_success 'unify index, two files remain' '
 188        git update-index --no-split-index &&
 189        git ls-files --stage >ls-files.actual &&
 190        cat >ls-files.expect <<-EOF &&
 191        100644 $EMPTY_BLOB 0    one
 192        100644 $EMPTY_BLOB 0    two
 193        EOF
 194        test_cmp ls-files.expect ls-files.actual &&
 195
 196        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 197        cat >expect <<-EOF &&
 198        not a split index
 199        EOF
 200        test_cmp expect actual
 201'
 202
 203test_expect_success 'rev-parse --shared-index-path' '
 204        test_create_repo split-index &&
 205        (
 206                cd split-index &&
 207                git update-index --split-index &&
 208                echo .git/sharedindex* >expect &&
 209                git rev-parse --shared-index-path >actual &&
 210                test_cmp expect actual &&
 211                mkdir subdirectory &&
 212                cd subdirectory &&
 213                echo ../.git/sharedindex* >expect &&
 214                git rev-parse --shared-index-path >actual &&
 215                test_cmp expect actual
 216        )
 217'
 218
 219test_expect_success 'set core.splitIndex config variable to true' '
 220        git config core.splitIndex true &&
 221        : >three &&
 222        git update-index --add three &&
 223        git ls-files --stage >ls-files.actual &&
 224        cat >ls-files.expect <<-EOF &&
 225        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       one
 226        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       three
 227        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       two
 228        EOF
 229        test_cmp ls-files.expect ls-files.actual &&
 230        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 231        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 232        cat >expect <<-EOF &&
 233        $BASE
 234        replacements:
 235        deletions:
 236        EOF
 237        test_cmp expect actual
 238'
 239
 240test_expect_success 'set core.splitIndex config variable to false' '
 241        git config core.splitIndex false &&
 242        git update-index --force-remove three &&
 243        git ls-files --stage >ls-files.actual &&
 244        cat >ls-files.expect <<-EOF &&
 245        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       one
 246        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       two
 247        EOF
 248        test_cmp ls-files.expect ls-files.actual &&
 249        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 250        cat >expect <<-EOF &&
 251        not a split index
 252        EOF
 253        test_cmp expect actual
 254'
 255
 256test_expect_success 'set core.splitIndex config variable to true' '
 257        git config core.splitIndex true &&
 258        : >three &&
 259        git update-index --add three &&
 260        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 261        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 262        cat >expect <<-EOF &&
 263        $BASE
 264        replacements:
 265        deletions:
 266        EOF
 267        test_cmp expect actual &&
 268        : >four &&
 269        git update-index --add four &&
 270        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 271        cat >expect <<-EOF &&
 272        $BASE
 273        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       four
 274        replacements:
 275        deletions:
 276        EOF
 277        test_cmp expect actual
 278'
 279
 280test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
 281        git config --unset splitIndex.maxPercentChange &&
 282        : >five &&
 283        git update-index --add five &&
 284        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 285        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 286        cat >expect <<-EOF &&
 287        $BASE
 288        replacements:
 289        deletions:
 290        EOF
 291        test_cmp expect actual &&
 292        : >six &&
 293        git update-index --add six &&
 294        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 295        cat >expect <<-EOF &&
 296        $BASE
 297        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       six
 298        replacements:
 299        deletions:
 300        EOF
 301        test_cmp expect actual
 302'
 303
 304test_expect_success 'check splitIndex.maxPercentChange set to 0' '
 305        git config splitIndex.maxPercentChange 0 &&
 306        : >seven &&
 307        git update-index --add seven &&
 308        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 309        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 310        cat >expect <<-EOF &&
 311        $BASE
 312        replacements:
 313        deletions:
 314        EOF
 315        test_cmp expect actual &&
 316        : >eight &&
 317        git update-index --add eight &&
 318        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 319        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 320        cat >expect <<-EOF &&
 321        $BASE
 322        replacements:
 323        deletions:
 324        EOF
 325        test_cmp expect actual
 326'
 327
 328test_expect_success 'shared index files expire after 2 weeks by default' '
 329        : >ten &&
 330        git update-index --add ten &&
 331        test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 332        just_under_2_weeks_ago=$((5-14*86400)) &&
 333        test-tool chmtime =$just_under_2_weeks_ago .git/sharedindex.* &&
 334        : >eleven &&
 335        git update-index --add eleven &&
 336        test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 337        just_over_2_weeks_ago=$((-1-14*86400)) &&
 338        test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
 339        : >twelve &&
 340        git update-index --add twelve &&
 341        test $(ls .git/sharedindex.* | wc -l) -le 2
 342'
 343
 344test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
 345        git config splitIndex.sharedIndexExpire "16.days.ago" &&
 346        test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
 347        : >thirteen &&
 348        git update-index --add thirteen &&
 349        test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 350        just_over_16_days_ago=$((-1-16*86400)) &&
 351        test-tool chmtime =$just_over_16_days_ago .git/sharedindex.* &&
 352        : >fourteen &&
 353        git update-index --add fourteen &&
 354        test $(ls .git/sharedindex.* | wc -l) -le 2
 355'
 356
 357test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"' '
 358        git config splitIndex.sharedIndexExpire never &&
 359        just_10_years_ago=$((-365*10*86400)) &&
 360        test-tool chmtime =$just_10_years_ago .git/sharedindex.* &&
 361        : >fifteen &&
 362        git update-index --add fifteen &&
 363        test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 364        git config splitIndex.sharedIndexExpire now &&
 365        just_1_second_ago=-1 &&
 366        test-tool chmtime =$just_1_second_ago .git/sharedindex.* &&
 367        : >sixteen &&
 368        git update-index --add sixteen &&
 369        test $(ls .git/sharedindex.* | wc -l) -le 2
 370'
 371
 372test_expect_success POSIXPERM 'same mode for index & split index' '
 373        git init same-mode &&
 374        (
 375                cd same-mode &&
 376                test_commit A &&
 377                test_modebits .git/index >index_mode &&
 378                test_must_fail git config core.sharedRepository &&
 379                git -c core.splitIndex=true status &&
 380                shared=$(ls .git/sharedindex.*) &&
 381                case "$shared" in
 382                *" "*)
 383                        # we have more than one???
 384                        false ;;
 385                *)
 386                        test_modebits "$shared" >split_index_mode &&
 387                        test_cmp index_mode split_index_mode ;;
 388                esac
 389        )
 390'
 391
 392while read -r mode modebits
 393do
 394        test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
 395                # Remove existing shared index files
 396                git config core.splitIndex false &&
 397                git update-index --force-remove one &&
 398                rm -f .git/sharedindex.* &&
 399                # Create one new shared index file
 400                git config core.sharedrepository "$mode" &&
 401                git config core.splitIndex true &&
 402                : >one &&
 403                git update-index --add one &&
 404                echo "$modebits" >expect &&
 405                test_modebits .git/index >actual &&
 406                test_cmp expect actual &&
 407                shared=$(ls .git/sharedindex.*) &&
 408                case "$shared" in
 409                *" "*)
 410                        # we have more than one???
 411                        false ;;
 412                *)
 413                        test_modebits "$shared" >actual &&
 414                        test_cmp expect actual ;;
 415                esac
 416        '
 417done <<\EOF
 4180666 -rw-rw-rw-
 4190642 -rw-r---w-
 420EOF
 421
 422test_expect_success POSIXPERM,SANITY 'graceful handling when splitting index is not allowed' '
 423        test_create_repo ro &&
 424        (
 425                cd ro &&
 426                test_commit initial &&
 427                git update-index --split-index &&
 428                test -f .git/sharedindex.*
 429        ) &&
 430        cp ro/.git/index new-index &&
 431        test_when_finished "chmod u+w ro/.git" &&
 432        chmod u-w ro/.git &&
 433        GIT_INDEX_FILE="$(pwd)/new-index" git -C ro update-index --split-index &&
 434        chmod u+w ro/.git &&
 435        rm ro/.git/sharedindex.* &&
 436        GIT_INDEX_FILE=new-index git ls-files >actual &&
 437        echo initial.t >expected &&
 438        test_cmp expected actual
 439'
 440
 441test_expect_success 'writing split index with null sha1 does not write cache tree' '
 442        git config core.splitIndex true &&
 443        git config splitIndex.maxPercentChange 0 &&
 444        git commit -m "commit" &&
 445        {
 446                git ls-tree HEAD &&
 447                printf "160000 commit $ZERO_OID\\tbroken\\n"
 448        } >broken-tree &&
 449        echo "add broken entry" >msg &&
 450
 451        tree=$(git mktree <broken-tree) &&
 452        test_tick &&
 453        commit=$(git commit-tree $tree -p HEAD <msg) &&
 454        git update-ref HEAD "$commit" &&
 455        GIT_ALLOW_NULL_SHA1=1 git reset --hard &&
 456        test_might_fail test-tool dump-cache-tree >cache-tree.out &&
 457        test_line_count = 0 cache-tree.out
 458'
 459
 460test_done