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
   9
  10# Testing a hard coded SHA against an index with an extension
  11# that can vary from run to run is problematic so we disable
  12# those extensions.
  13sane_unset GIT_TEST_FSMONITOR
  14sane_unset GIT_TEST_INDEX_THREADS
  15
  16test_expect_success 'enable split index' '
  17        git config splitIndex.maxPercentChange 100 &&
  18        git update-index --split-index &&
  19        test-tool dump-split-index .git/index >actual &&
  20        indexversion=$(test-tool index-version <.git/index) &&
  21        if test "$indexversion" = "4"
  22        then
  23                own=3527df833c6c100d3d1d921a9a782d62a8be4b58
  24                base=746f7ab2ed44fb839efdfbffcf399d0b113fb4cb
  25        else
  26                own=5e9b60117ece18da410ddecc8b8d43766a0e4204
  27                base=4370042739b31cd17a5c5cd6043a77c9a00df113
  28        fi &&
  29        cat >expect <<-EOF &&
  30        own $own
  31        base $base
  32        replacements:
  33        deletions:
  34        EOF
  35        test_cmp expect actual
  36'
  37
  38test_expect_success 'add one file' '
  39        : >one &&
  40        git update-index --add one &&
  41        git ls-files --stage >ls-files.actual &&
  42        cat >ls-files.expect <<-EOF &&
  43        100644 $EMPTY_BLOB 0    one
  44        EOF
  45        test_cmp ls-files.expect ls-files.actual &&
  46
  47        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
  48        cat >expect <<-EOF &&
  49        base $base
  50        100644 $EMPTY_BLOB 0    one
  51        replacements:
  52        deletions:
  53        EOF
  54        test_cmp expect actual
  55'
  56
  57test_expect_success 'disable split index' '
  58        git update-index --no-split-index &&
  59        git ls-files --stage >ls-files.actual &&
  60        cat >ls-files.expect <<-EOF &&
  61        100644 $EMPTY_BLOB 0    one
  62        EOF
  63        test_cmp ls-files.expect ls-files.actual &&
  64
  65        BASE=$(test-tool dump-split-index .git/index | sed -n "s/^own/base/p") &&
  66        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
  67        cat >expect <<-EOF &&
  68        not a split index
  69        EOF
  70        test_cmp expect actual
  71'
  72
  73test_expect_success 'enable split index again, "one" now belongs to base index"' '
  74        git update-index --split-index &&
  75        git ls-files --stage >ls-files.actual &&
  76        cat >ls-files.expect <<-EOF &&
  77        100644 $EMPTY_BLOB 0    one
  78        EOF
  79        test_cmp ls-files.expect ls-files.actual &&
  80
  81        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
  82        cat >expect <<-EOF &&
  83        $BASE
  84        replacements:
  85        deletions:
  86        EOF
  87        test_cmp expect actual
  88'
  89
  90test_expect_success 'modify original file, base index untouched' '
  91        echo modified >one &&
  92        git update-index one &&
  93        git ls-files --stage >ls-files.actual &&
  94        cat >ls-files.expect <<-EOF &&
  95        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0       one
  96        EOF
  97        test_cmp ls-files.expect ls-files.actual &&
  98
  99        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 100        q_to_tab >expect <<-EOF &&
 101        $BASE
 102        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
 103        replacements: 0
 104        deletions:
 105        EOF
 106        test_cmp expect actual
 107'
 108
 109test_expect_success 'add another file, which stays index' '
 110        : >two &&
 111        git update-index --add two &&
 112        git ls-files --stage >ls-files.actual &&
 113        cat >ls-files.expect <<-EOF &&
 114        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0       one
 115        100644 $EMPTY_BLOB 0    two
 116        EOF
 117        test_cmp ls-files.expect ls-files.actual &&
 118
 119        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 120        q_to_tab >expect <<-EOF &&
 121        $BASE
 122        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
 123        100644 $EMPTY_BLOB 0    two
 124        replacements: 0
 125        deletions:
 126        EOF
 127        test_cmp expect actual
 128'
 129
 130test_expect_success 'remove file not in base index' '
 131        git update-index --force-remove two &&
 132        git ls-files --stage >ls-files.actual &&
 133        cat >ls-files.expect <<-EOF &&
 134        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0       one
 135        EOF
 136        test_cmp ls-files.expect ls-files.actual &&
 137
 138        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 139        q_to_tab >expect <<-EOF &&
 140        $BASE
 141        100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
 142        replacements: 0
 143        deletions:
 144        EOF
 145        test_cmp expect actual
 146'
 147
 148test_expect_success 'remove file in base index' '
 149        git update-index --force-remove one &&
 150        git ls-files --stage >ls-files.actual &&
 151        test_must_be_empty ls-files.actual &&
 152
 153        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 154        cat >expect <<-EOF &&
 155        $BASE
 156        replacements:
 157        deletions: 0
 158        EOF
 159        test_cmp expect actual
 160'
 161
 162test_expect_success 'add original file back' '
 163        : >one &&
 164        git update-index --add one &&
 165        git ls-files --stage >ls-files.actual &&
 166        cat >ls-files.expect <<-EOF &&
 167        100644 $EMPTY_BLOB 0    one
 168        EOF
 169        test_cmp ls-files.expect ls-files.actual &&
 170
 171        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 172        cat >expect <<-EOF &&
 173        $BASE
 174        100644 $EMPTY_BLOB 0    one
 175        replacements:
 176        deletions: 0
 177        EOF
 178        test_cmp expect actual
 179'
 180
 181test_expect_success 'add new file' '
 182        : >two &&
 183        git update-index --add two &&
 184        git ls-files --stage >actual &&
 185        cat >expect <<-EOF &&
 186        100644 $EMPTY_BLOB 0    one
 187        100644 $EMPTY_BLOB 0    two
 188        EOF
 189        test_cmp expect actual
 190'
 191
 192test_expect_success 'unify index, two files remain' '
 193        git update-index --no-split-index &&
 194        git ls-files --stage >ls-files.actual &&
 195        cat >ls-files.expect <<-EOF &&
 196        100644 $EMPTY_BLOB 0    one
 197        100644 $EMPTY_BLOB 0    two
 198        EOF
 199        test_cmp ls-files.expect ls-files.actual &&
 200
 201        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 202        cat >expect <<-EOF &&
 203        not a split index
 204        EOF
 205        test_cmp expect actual
 206'
 207
 208test_expect_success 'rev-parse --shared-index-path' '
 209        test_create_repo split-index &&
 210        (
 211                cd split-index &&
 212                git update-index --split-index &&
 213                echo .git/sharedindex* >expect &&
 214                git rev-parse --shared-index-path >actual &&
 215                test_cmp expect actual &&
 216                mkdir subdirectory &&
 217                cd subdirectory &&
 218                echo ../.git/sharedindex* >expect &&
 219                git rev-parse --shared-index-path >actual &&
 220                test_cmp expect actual
 221        )
 222'
 223
 224test_expect_success 'set core.splitIndex config variable to true' '
 225        git config core.splitIndex true &&
 226        : >three &&
 227        git update-index --add three &&
 228        git ls-files --stage >ls-files.actual &&
 229        cat >ls-files.expect <<-EOF &&
 230        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       one
 231        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       three
 232        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       two
 233        EOF
 234        test_cmp ls-files.expect ls-files.actual &&
 235        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 236        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 237        cat >expect <<-EOF &&
 238        $BASE
 239        replacements:
 240        deletions:
 241        EOF
 242        test_cmp expect actual
 243'
 244
 245test_expect_success 'set core.splitIndex config variable to false' '
 246        git config core.splitIndex false &&
 247        git update-index --force-remove three &&
 248        git ls-files --stage >ls-files.actual &&
 249        cat >ls-files.expect <<-EOF &&
 250        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       one
 251        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       two
 252        EOF
 253        test_cmp ls-files.expect ls-files.actual &&
 254        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 255        cat >expect <<-EOF &&
 256        not a split index
 257        EOF
 258        test_cmp expect actual
 259'
 260
 261test_expect_success 'set core.splitIndex config variable to true' '
 262        git config core.splitIndex true &&
 263        : >three &&
 264        git update-index --add three &&
 265        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 266        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 267        cat >expect <<-EOF &&
 268        $BASE
 269        replacements:
 270        deletions:
 271        EOF
 272        test_cmp expect actual &&
 273        : >four &&
 274        git update-index --add four &&
 275        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 276        cat >expect <<-EOF &&
 277        $BASE
 278        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       four
 279        replacements:
 280        deletions:
 281        EOF
 282        test_cmp expect actual
 283'
 284
 285test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
 286        git config --unset splitIndex.maxPercentChange &&
 287        : >five &&
 288        git update-index --add five &&
 289        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 290        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 291        cat >expect <<-EOF &&
 292        $BASE
 293        replacements:
 294        deletions:
 295        EOF
 296        test_cmp expect actual &&
 297        : >six &&
 298        git update-index --add six &&
 299        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 300        cat >expect <<-EOF &&
 301        $BASE
 302        100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       six
 303        replacements:
 304        deletions:
 305        EOF
 306        test_cmp expect actual
 307'
 308
 309test_expect_success 'check splitIndex.maxPercentChange set to 0' '
 310        git config splitIndex.maxPercentChange 0 &&
 311        : >seven &&
 312        git update-index --add seven &&
 313        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 314        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 315        cat >expect <<-EOF &&
 316        $BASE
 317        replacements:
 318        deletions:
 319        EOF
 320        test_cmp expect actual &&
 321        : >eight &&
 322        git update-index --add eight &&
 323        BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
 324        test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
 325        cat >expect <<-EOF &&
 326        $BASE
 327        replacements:
 328        deletions:
 329        EOF
 330        test_cmp expect actual
 331'
 332
 333test_expect_success 'shared index files expire after 2 weeks by default' '
 334        : >ten &&
 335        git update-index --add ten &&
 336        test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 337        just_under_2_weeks_ago=$((5-14*86400)) &&
 338        test-tool chmtime =$just_under_2_weeks_ago .git/sharedindex.* &&
 339        : >eleven &&
 340        git update-index --add eleven &&
 341        test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 342        just_over_2_weeks_ago=$((-1-14*86400)) &&
 343        test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
 344        : >twelve &&
 345        git update-index --add twelve &&
 346        test $(ls .git/sharedindex.* | wc -l) -le 2
 347'
 348
 349test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
 350        git config splitIndex.sharedIndexExpire "16.days.ago" &&
 351        test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
 352        : >thirteen &&
 353        git update-index --add thirteen &&
 354        test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 355        just_over_16_days_ago=$((-1-16*86400)) &&
 356        test-tool chmtime =$just_over_16_days_ago .git/sharedindex.* &&
 357        : >fourteen &&
 358        git update-index --add fourteen &&
 359        test $(ls .git/sharedindex.* | wc -l) -le 2
 360'
 361
 362test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"' '
 363        git config splitIndex.sharedIndexExpire never &&
 364        just_10_years_ago=$((-365*10*86400)) &&
 365        test-tool chmtime =$just_10_years_ago .git/sharedindex.* &&
 366        : >fifteen &&
 367        git update-index --add fifteen &&
 368        test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
 369        git config splitIndex.sharedIndexExpire now &&
 370        just_1_second_ago=-1 &&
 371        test-tool chmtime =$just_1_second_ago .git/sharedindex.* &&
 372        : >sixteen &&
 373        git update-index --add sixteen &&
 374        test $(ls .git/sharedindex.* | wc -l) -le 2
 375'
 376
 377while read -r mode modebits
 378do
 379        test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
 380                # Remove existing shared index files
 381                git config core.splitIndex false &&
 382                git update-index --force-remove one &&
 383                rm -f .git/sharedindex.* &&
 384                # Create one new shared index file
 385                git config core.sharedrepository "$mode" &&
 386                git config core.splitIndex true &&
 387                : >one &&
 388                git update-index --add one &&
 389                echo "$modebits" >expect &&
 390                test_modebits .git/index >actual &&
 391                test_cmp expect actual &&
 392                shared=$(ls .git/sharedindex.*) &&
 393                case "$shared" in
 394                *" "*)
 395                        # we have more than one???
 396                        false ;;
 397                *)
 398                        test_modebits "$shared" >actual &&
 399                        test_cmp expect actual ;;
 400                esac
 401        '
 402done <<\EOF
 4030666 -rw-rw-rw-
 4040642 -rw-r---w-
 405EOF
 406
 407test_expect_success POSIXPERM,SANITY 'graceful handling when splitting index is not allowed' '
 408        test_create_repo ro &&
 409        (
 410                cd ro &&
 411                test_commit initial &&
 412                git update-index --split-index &&
 413                test -f .git/sharedindex.*
 414        ) &&
 415        cp ro/.git/index new-index &&
 416        test_when_finished "chmod u+w ro/.git" &&
 417        chmod u-w ro/.git &&
 418        GIT_INDEX_FILE="$(pwd)/new-index" git -C ro update-index --split-index &&
 419        chmod u+w ro/.git &&
 420        rm ro/.git/sharedindex.* &&
 421        GIT_INDEX_FILE=new-index git ls-files >actual &&
 422        echo initial.t >expected &&
 423        test_cmp expected actual
 424'
 425
 426test_expect_success 'writing split index with null sha1 does not write cache tree' '
 427        git config core.splitIndex true &&
 428        git config splitIndex.maxPercentChange 0 &&
 429        git commit -m "commit" &&
 430        {
 431                git ls-tree HEAD &&
 432                printf "160000 commit $ZERO_OID\\tbroken\\n"
 433        } >broken-tree &&
 434        echo "add broken entry" >msg &&
 435
 436        tree=$(git mktree <broken-tree) &&
 437        test_tick &&
 438        commit=$(git commit-tree $tree -p HEAD <msg) &&
 439        git update-ref HEAD "$commit" &&
 440        GIT_ALLOW_NULL_SHA1=1 git reset --hard &&
 441        test_might_fail test-tool dump-cache-tree >cache-tree.out &&
 442        test_line_count = 0 cache-tree.out
 443'
 444
 445test_done