t/t7519-status-fsmonitor.sh

   1 #!/bin/sh
   2
   3 test_description='git status with file system watcher'
   4
   5 . ./test-lib.sh
   6
   7 # Note, after "git reset --hard HEAD" no extensions exist other than 'TREE'
   8 # "git update-index --fsmonitor" can be used to get the extension written
   9 # before testing the results.
  10
  11 clean_repo () {
  12         git reset --hard HEAD &&
  13         git clean -fd
  14 }
  15
  16 dirty_repo () {
  17         : >untracked &&
  18         : >dir1/untracked &&
  19         : >dir2/untracked &&
  20         echo 1 >modified &&
  21         echo 2 >dir1/modified &&
  22         echo 3 >dir2/modified &&
  23         echo 4 >new &&
  24         echo 5 >dir1/new &&
  25         echo 6 >dir2/new
  26 }
  27
  28 write_integration_script () {
  29         write_script .git/hooks/fsmonitor-test<<-\EOF
  30         if test "$#" -ne 2
  31         then
  32                 echo "$0: exactly 2 arguments expected"
  33                 exit 2
  34         fi
  35         if test "$1" != 1
  36         then
  37                 echo "Unsupported core.fsmonitor hook version." >&2
  38                 exit 1
  39         fi
  40         printf "untracked\0"
  41         printf "dir1/untracked\0"
  42         printf "dir2/untracked\0"
  43         printf "modified\0"
  44         printf "dir1/modified\0"
  45         printf "dir2/modified\0"
  46         printf "new\0"
  47         printf "dir1/new\0"
  48         printf "dir2/new\0"
  49         EOF
  50 }
  51
  52 test_lazy_prereq UNTRACKED_CACHE '
  53         { git update-index --test-untracked-cache; ret=$?; } &&
  54         test $ret -ne 1
  55 '
  56
  57 test_expect_success 'setup' '
  58         mkdir -p .git/hooks &&
  59         : >tracked &&
  60         : >modified &&
  61         mkdir dir1 &&
  62         : >dir1/tracked &&
  63         : >dir1/modified &&
  64         mkdir dir2 &&
  65         : >dir2/tracked &&
  66         : >dir2/modified &&
  67         git -c core.fsmonitor= add . &&
  68         git -c core.fsmonitor= commit -m initial &&
  69         git config core.fsmonitor .git/hooks/fsmonitor-test &&
  70         cat >.gitignore <<-\EOF
  71         .gitignore
  72         expect*
  73         actual*
  74         marker*
  75         EOF
  76 '
  77
  78 # test that the fsmonitor extension is off by default
  79 test_expect_success 'fsmonitor extension is off by default' '
  80         test-tool dump-fsmonitor >actual &&
  81         grep "^no fsmonitor" actual
  82 '
  83
  84 # test that "update-index --fsmonitor" adds the fsmonitor extension
  85 test_expect_success 'update-index --fsmonitor" adds the fsmonitor extension' '
  86         git update-index --fsmonitor &&
  87         test-tool dump-fsmonitor >actual &&
  88         grep "^fsmonitor last update" actual
  89 '
  90
  91 # test that "update-index --no-fsmonitor" removes the fsmonitor extension
  92 test_expect_success 'update-index --no-fsmonitor" removes the fsmonitor extension' '
  93         git update-index --no-fsmonitor &&
  94         test-tool dump-fsmonitor >actual &&
  95         grep "^no fsmonitor" actual
  96 '
  97
  98 cat >expect <<EOF &&
  99 h dir1/modified
 100 H dir1/tracked
 101 h dir2/modified
 102 H dir2/tracked
 103 h modified
 104 H tracked
 105 EOF
 106
 107 # test that "update-index --fsmonitor-valid" sets the fsmonitor valid bit
 108 test_expect_success 'update-index --fsmonitor-valid" sets the fsmonitor valid bit' '
 109         git update-index --fsmonitor &&
 110         git update-index --fsmonitor-valid dir1/modified &&
 111         git update-index --fsmonitor-valid dir2/modified &&
 112         git update-index --fsmonitor-valid modified &&
 113         git ls-files -f >actual &&
 114         test_cmp expect actual
 115 '
 116
 117 cat >expect <<EOF &&
 118 H dir1/modified
 119 H dir1/tracked
 120 H dir2/modified
 121 H dir2/tracked
 122 H modified
 123 H tracked
 124 EOF
 125
 126 # test that "update-index --no-fsmonitor-valid" clears the fsmonitor valid bit
 127 test_expect_success 'update-index --no-fsmonitor-valid" clears the fsmonitor valid bit' '
 128         git update-index --no-fsmonitor-valid dir1/modified &&
 129         git update-index --no-fsmonitor-valid dir2/modified &&
 130         git update-index --no-fsmonitor-valid modified &&
 131         git ls-files -f >actual &&
 132         test_cmp expect actual
 133 '
 134
 135 cat >expect <<EOF &&
 136 H dir1/modified
 137 H dir1/tracked
 138 H dir2/modified
 139 H dir2/tracked
 140 H modified
 141 H tracked
 142 EOF
 143
 144 # test that all files returned by the script get flagged as invalid
 145 test_expect_success 'all files returned by integration script get flagged as invalid' '
 146         write_integration_script &&
 147         dirty_repo &&
 148         git update-index --fsmonitor &&
 149         git ls-files -f >actual &&
 150         test_cmp expect actual
 151 '
 152
 153 cat >expect <<EOF &&
 154 H dir1/modified
 155 h dir1/new
 156 H dir1/tracked
 157 H dir2/modified
 158 h dir2/new
 159 H dir2/tracked
 160 H modified
 161 h new
 162 H tracked
 163 EOF
 164
 165 # test that newly added files are marked valid
 166 test_expect_success 'newly added files are marked valid' '
 167         git add new &&
 168         git add dir1/new &&
 169         git add dir2/new &&
 170         git ls-files -f >actual &&
 171         test_cmp expect actual
 172 '
 173
 174 cat >expect <<EOF &&
 175 H dir1/modified
 176 h dir1/new
 177 h dir1/tracked
 178 H dir2/modified
 179 h dir2/new
 180 h dir2/tracked
 181 H modified
 182 h new
 183 h tracked
 184 EOF
 185
 186 # test that all unmodified files get marked valid
 187 test_expect_success 'all unmodified files get marked valid' '
 188         # modified files result in update-index returning 1
 189         test_must_fail git update-index --refresh --force-write-index &&
 190         git ls-files -f >actual &&
 191         test_cmp expect actual
 192 '
 193
 194 cat >expect <<EOF &&
 195 H dir1/modified
 196 h dir1/tracked
 197 h dir2/modified
 198 h dir2/tracked
 199 h modified
 200 h tracked
 201 EOF
 202
 203 # test that *only* files returned by the integration script get flagged as invalid
 204 test_expect_success '*only* files returned by the integration script get flagged as invalid' '
 205         write_script .git/hooks/fsmonitor-test<<-\EOF &&
 206         printf "dir1/modified\0"
 207         EOF
 208         clean_repo &&
 209         git update-index --refresh --force-write-index &&
 210         echo 1 >modified &&
 211         echo 2 >dir1/modified &&
 212         echo 3 >dir2/modified &&
 213         test_must_fail git update-index --refresh --force-write-index &&
 214         git ls-files -f >actual &&
 215         test_cmp expect actual
 216 '
 217
 218 # Ensure commands that call refresh_index() to move the index back in time
 219 # properly invalidate the fsmonitor cache
 220 test_expect_success 'refresh_index() invalidates fsmonitor cache' '
 221         write_script .git/hooks/fsmonitor-test<<-\EOF &&
 222         EOF
 223         clean_repo &&
 224         dirty_repo &&
 225         git add . &&
 226         git commit -m "to reset" &&
 227         git reset HEAD~1 &&
 228         git status >actual &&
 229         git -c core.fsmonitor= status >expect &&
 230         test_i18ncmp expect actual
 231 '
 232
 233 # test fsmonitor with and without preloadIndex
 234 preload_values="false true"
 235 for preload_val in $preload_values
 236 do
 237         test_expect_success "setup preloadIndex to $preload_val" '
 238                 git config core.preloadIndex $preload_val &&
 239                 if test $preload_val = true
 240                 then
 241                         GIT_TEST_PRELOAD_INDEX=$preload_val; export GIT_TEST_PRELOAD_INDEX
 242                 else
 243                         sane_unset GIT_TEST_PRELOAD_INDEX
 244                 fi
 245         '
 246
 247         # test fsmonitor with and without the untracked cache (if available)
 248         uc_values="false"
 249         test_have_prereq UNTRACKED_CACHE && uc_values="false true"
 250         for uc_val in $uc_values
 251         do
 252                 test_expect_success "setup untracked cache to $uc_val" '
 253                         git config core.untrackedcache $uc_val
 254                 '
 255
 256                 # Status is well tested elsewhere so we'll just ensure that the results are
 257                 # the same when using core.fsmonitor.
 258                 test_expect_success 'compare status with and without fsmonitor' '
 259                         write_integration_script &&
 260                         clean_repo &&
 261                         dirty_repo &&
 262                         git add new &&
 263                         git add dir1/new &&
 264                         git add dir2/new &&
 265                         git status >actual &&
 266                         git -c core.fsmonitor= status >expect &&
 267                         test_i18ncmp expect actual
 268                 '
 269
 270                 # Make sure it's actually skipping the check for modified and untracked
 271                 # (if enabled) files unless it is told about them.
 272                 test_expect_success "status doesn't detect unreported modifications" '
 273                         write_script .git/hooks/fsmonitor-test<<-\EOF &&
 274                         :>marker
 275                         EOF
 276                         clean_repo &&
 277                         git status &&
 278                         test_path_is_file marker &&
 279                         dirty_repo &&
 280                         rm -f marker &&
 281                         git status >actual &&
 282                         test_path_is_file marker &&
 283                         test_i18ngrep ! "Changes not staged for commit:" actual &&
 284                         if test $uc_val = true
 285                         then
 286                                 test_i18ngrep ! "Untracked files:" actual
 287                         fi &&
 288                         if test $uc_val = false
 289                         then
 290                                 test_i18ngrep "Untracked files:" actual
 291                         fi &&
 292                         rm -f marker
 293                 '
 294         done
 295 done
 296
 297 # test that splitting the index dosn't interfere
 298 test_expect_success 'splitting the index results in the same state' '
 299         write_integration_script &&
 300         dirty_repo &&
 301         git update-index --fsmonitor  &&
 302         git ls-files -f >expect &&
 303         test-tool dump-fsmonitor >&2 && echo &&
 304         git update-index --fsmonitor --split-index &&
 305         test-tool dump-fsmonitor >&2 && echo &&
 306         git ls-files -f >actual &&
 307         test_cmp expect actual
 308 '
 309
 310 test_expect_success UNTRACKED_CACHE 'ignore .git changes when invalidating UNTR' '
 311         test_create_repo dot-git &&
 312         (
 313                 cd dot-git &&
 314                 mkdir -p .git/hooks &&
 315                 : >tracked &&
 316                 : >modified &&
 317                 mkdir dir1 &&
 318                 : >dir1/tracked &&
 319                 : >dir1/modified &&
 320                 mkdir dir2 &&
 321                 : >dir2/tracked &&
 322                 : >dir2/modified &&
 323                 write_integration_script &&
 324                 git config core.fsmonitor .git/hooks/fsmonitor-test &&
 325                 git update-index --untracked-cache &&
 326                 git update-index --fsmonitor &&
 327                 GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace-before" \
 328                 git status &&
 329                 test-tool dump-untracked-cache >../before
 330         ) &&
 331         cat >>dot-git/.git/hooks/fsmonitor-test <<-\EOF &&
 332         printf ".git\0"
 333         printf ".git/index\0"
 334         printf "dir1/.git\0"
 335         printf "dir1/.git/index\0"
 336         EOF
 337         (
 338                 cd dot-git &&
 339                 GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace-after" \
 340                 git status &&
 341                 test-tool dump-untracked-cache >../after
 342         ) &&
 343         grep "directory invalidation" trace-before >>before &&
 344         grep "directory invalidation" trace-after >>after &&
 345         # UNTR extension unchanged, dir invalidation count unchanged
 346         test_cmp before after
 347 '
 348
 349 test_expect_success 'discard_index() also discards fsmonitor info' '
 350         test_config core.fsmonitor "$TEST_DIRECTORY/t7519/fsmonitor-all" &&
 351         test_might_fail git update-index --refresh &&
 352         test-tool read-cache --print-and-refresh=tracked 2 >actual &&
 353         printf "tracked is%s up to date\n" "" " not" >expect &&
 354         test_cmp expect actual
 355 '
 356
 357 # Test unstaging entries that:
 358 #  - Are not flagged with CE_FSMONITOR_VALID
 359 #  - Have a position in the index >= the number of entries present in the index
 360 #    after unstaging.
 361 test_expect_success 'status succeeds after staging/unstaging' '
 362         test_create_repo fsmonitor-stage-unstage &&
 363         (
 364                 cd fsmonitor-stage-unstage &&
 365                 test_commit initial &&
 366                 git update-index --fsmonitor &&
 367                 removed=$(test_seq 1 100 | sed "s/^/z/") &&
 368                 touch $removed &&
 369                 git add $removed &&
 370                 git config core.fsmonitor "$TEST_DIRECTORY/t7519/fsmonitor-env" &&
 371                 FSMONITOR_LIST="$removed" git restore -S $removed &&
 372                 FSMONITOR_LIST="$removed" git status
 373         )
 374 '
 375
 376 test_done