Andrew's git / gitweb.git / t/t1450-fsck.sh
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t / t1450-fsck.shon commit Merge branch 'jc/conflict-hint' into cc/interpret-trailers-more (216d29e)
   1#!/bin/sh
   2
   3test_description='git fsck random collection of tests
   4
   5* (HEAD) B
   6* (master) A
   7'
   8
   9. ./test-lib.sh
  10
  11test_expect_success setup '
  12        git config gc.auto 0 &&
  13        git config i18n.commitencoding ISO-8859-1 &&
  14        test_commit A fileA one &&
  15        git config --unset i18n.commitencoding &&
  16        git checkout HEAD^0 &&
  17        test_commit B fileB two &&
  18        git tag -d A B &&
  19        git reflog expire --expire=now --all &&
  20        >empty
  21'
  22
  23test_expect_success 'loose objects borrowed from alternate are not missing' '
  24        mkdir another &&
  25        (
  26                cd another &&
  27                git init &&
  28                echo ../../../.git/objects >.git/objects/info/alternates &&
  29                test_commit C fileC one &&
  30                git fsck --no-dangling >../actual 2>&1
  31        ) &&
  32        test_cmp empty actual
  33'
  34
  35test_expect_success 'HEAD is part of refs, valid objects appear valid' '
  36        git fsck >actual 2>&1 &&
  37        test_cmp empty actual
  38'
  39
  40# Corruption tests follow.  Make sure to remove all traces of the
  41# specific corruption you test afterwards, lest a later test trip over
  42# it.
  43
  44test_expect_success 'setup: helpers for corruption tests' '
  45        sha1_file() {
  46                echo "$*" | sed "s#..#.git/objects/&/#"
  47        } &&
  48
  49        remove_object() {
  50                file=$(sha1_file "$*") &&
  51                test -e "$file" &&
  52                rm -f "$file"
  53        }
  54'
  55
  56test_expect_success 'object with bad sha1' '
  57        sha=$(echo blob | git hash-object -w --stdin) &&
  58        old=$(echo $sha | sed "s+^..+&/+") &&
  59        new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
  60        sha="$(dirname $new)$(basename $new)" &&
  61        mv .git/objects/$old .git/objects/$new &&
  62        test_when_finished "remove_object $sha" &&
  63        git update-index --add --cacheinfo 100644 $sha foo &&
  64        test_when_finished "git read-tree -u --reset HEAD" &&
  65        tree=$(git write-tree) &&
  66        test_when_finished "remove_object $tree" &&
  67        cmt=$(echo bogus | git commit-tree $tree) &&
  68        test_when_finished "remove_object $cmt" &&
  69        git update-ref refs/heads/bogus $cmt &&
  70        test_when_finished "git update-ref -d refs/heads/bogus" &&
  71
  72        test_might_fail git fsck 2>out &&
  73        cat out &&
  74        grep "$sha.*corrupt" out
  75'
  76
  77test_expect_success 'branch pointing to non-commit' '
  78        git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
  79        test_when_finished "git update-ref -d refs/heads/invalid" &&
  80        git fsck 2>out &&
  81        cat out &&
  82        grep "not a commit" out
  83'
  84
  85test_expect_success 'email without @ is okay' '
  86        git cat-file commit HEAD >basis &&
  87        sed "s/@/AT/" basis >okay &&
  88        new=$(git hash-object -t commit -w --stdin <okay) &&
  89        test_when_finished "remove_object $new" &&
  90        git update-ref refs/heads/bogus "$new" &&
  91        test_when_finished "git update-ref -d refs/heads/bogus" &&
  92        git fsck 2>out &&
  93        cat out &&
  94        ! grep "commit $new" out
  95'
  96
  97test_expect_success 'email with embedded > is not okay' '
  98        git cat-file commit HEAD >basis &&
  99        sed "s/@[a-z]/&>/" basis >bad-email &&
 100        new=$(git hash-object -t commit -w --stdin <bad-email) &&
 101        test_when_finished "remove_object $new" &&
 102        git update-ref refs/heads/bogus "$new" &&
 103        test_when_finished "git update-ref -d refs/heads/bogus" &&
 104        git fsck 2>out &&
 105        cat out &&
 106        grep "error in commit $new" out
 107'
 108
 109test_expect_success 'missing < email delimiter is reported nicely' '
 110        git cat-file commit HEAD >basis &&
 111        sed "s/<//" basis >bad-email-2 &&
 112        new=$(git hash-object -t commit -w --stdin <bad-email-2) &&
 113        test_when_finished "remove_object $new" &&
 114        git update-ref refs/heads/bogus "$new" &&
 115        test_when_finished "git update-ref -d refs/heads/bogus" &&
 116        git fsck 2>out &&
 117        cat out &&
 118        grep "error in commit $new.* - bad name" out
 119'
 120
 121test_expect_success 'missing email is reported nicely' '
 122        git cat-file commit HEAD >basis &&
 123        sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 &&
 124        new=$(git hash-object -t commit -w --stdin <bad-email-3) &&
 125        test_when_finished "remove_object $new" &&
 126        git update-ref refs/heads/bogus "$new" &&
 127        test_when_finished "git update-ref -d refs/heads/bogus" &&
 128        git fsck 2>out &&
 129        cat out &&
 130        grep "error in commit $new.* - missing email" out
 131'
 132
 133test_expect_success '> in name is reported' '
 134        git cat-file commit HEAD >basis &&
 135        sed "s/ </> </" basis >bad-email-4 &&
 136        new=$(git hash-object -t commit -w --stdin <bad-email-4) &&
 137        test_when_finished "remove_object $new" &&
 138        git update-ref refs/heads/bogus "$new" &&
 139        test_when_finished "git update-ref -d refs/heads/bogus" &&
 140        git fsck 2>out &&
 141        cat out &&
 142        grep "error in commit $new" out
 143'
 144
 145# date is 2^64 + 1
 146test_expect_success 'integer overflow in timestamps is reported' '
 147        git cat-file commit HEAD >basis &&
 148        sed "s/^\\(author .*>\\) [0-9]*/\\1 18446744073709551617/" \
 149                <basis >bad-timestamp &&
 150        new=$(git hash-object -t commit -w --stdin <bad-timestamp) &&
 151        test_when_finished "remove_object $new" &&
 152        git update-ref refs/heads/bogus "$new" &&
 153        test_when_finished "git update-ref -d refs/heads/bogus" &&
 154        git fsck 2>out &&
 155        cat out &&
 156        grep "error in commit $new.*integer overflow" out
 157'
 158
 159test_expect_success 'tag pointing to nonexistent' '
 160        cat >invalid-tag <<-\EOF &&
 161        object ffffffffffffffffffffffffffffffffffffffff
 162        type commit
 163        tag invalid
 164        tagger T A Gger <tagger@example.com> 1234567890 -0000
 165
 166        This is an invalid tag.
 167        EOF
 168
 169        tag=$(git hash-object -t tag -w --stdin <invalid-tag) &&
 170        test_when_finished "remove_object $tag" &&
 171        echo $tag >.git/refs/tags/invalid &&
 172        test_when_finished "git update-ref -d refs/tags/invalid" &&
 173        test_must_fail git fsck --tags >out &&
 174        cat out &&
 175        grep "broken link" out
 176'
 177
 178test_expect_success 'tag pointing to something else than its type' '
 179        sha=$(echo blob | git hash-object -w --stdin) &&
 180        test_when_finished "remove_object $sha" &&
 181        cat >wrong-tag <<-EOF &&
 182        object $sha
 183        type commit
 184        tag wrong
 185        tagger T A Gger <tagger@example.com> 1234567890 -0000
 186
 187        This is an invalid tag.
 188        EOF
 189
 190        tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
 191        test_when_finished "remove_object $tag" &&
 192        echo $tag >.git/refs/tags/wrong &&
 193        test_when_finished "git update-ref -d refs/tags/wrong" &&
 194        test_must_fail git fsck --tags
 195'
 196
 197test_expect_success 'cleaned up' '
 198        git fsck >actual 2>&1 &&
 199        test_cmp empty actual
 200'
 201
 202test_expect_success 'rev-list --verify-objects' '
 203        git rev-list --verify-objects --all >/dev/null 2>out &&
 204        test_cmp empty out
 205'
 206
 207test_expect_success 'rev-list --verify-objects with bad sha1' '
 208        sha=$(echo blob | git hash-object -w --stdin) &&
 209        old=$(echo $sha | sed "s+^..+&/+") &&
 210        new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
 211        sha="$(dirname $new)$(basename $new)" &&
 212        mv .git/objects/$old .git/objects/$new &&
 213        test_when_finished "remove_object $sha" &&
 214        git update-index --add --cacheinfo 100644 $sha foo &&
 215        test_when_finished "git read-tree -u --reset HEAD" &&
 216        tree=$(git write-tree) &&
 217        test_when_finished "remove_object $tree" &&
 218        cmt=$(echo bogus | git commit-tree $tree) &&
 219        test_when_finished "remove_object $cmt" &&
 220        git update-ref refs/heads/bogus $cmt &&
 221        test_when_finished "git update-ref -d refs/heads/bogus" &&
 222
 223        test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
 224        cat out &&
 225        grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
 226'
 227
 228_bz='\0'
 229_bz5="$_bz$_bz$_bz$_bz$_bz"
 230_bz20="$_bz5$_bz5$_bz5$_bz5"
 231
 232test_expect_success 'fsck notices blob entry pointing to null sha1' '
 233        (git init null-blob &&
 234         cd null-blob &&
 235         sha=$(printf "100644 file$_bz$_bz20" |
 236               git hash-object -w --stdin -t tree) &&
 237          git fsck 2>out &&
 238          cat out &&
 239          grep "warning.*null sha1" out
 240        )
 241'
 242
 243test_expect_success 'fsck notices submodule entry pointing to null sha1' '
 244        (git init null-commit &&
 245         cd null-commit &&
 246         sha=$(printf "160000 submodule$_bz$_bz20" |
 247               git hash-object -w --stdin -t tree) &&
 248          git fsck 2>out &&
 249          cat out &&
 250          grep "warning.*null sha1" out
 251        )
 252'
 253
 254test_expect_success 'fsck notices "." and ".." in trees' '
 255        (
 256                git init dots &&
 257                cd dots &&
 258                blob=$(echo foo | git hash-object -w --stdin) &&
 259                tab=$(printf "\\t") &&
 260                git mktree <<-EOF &&
 261                100644 blob $blob$tab.
 262                100644 blob $blob$tab..
 263                EOF
 264                git fsck 2>out &&
 265                cat out &&
 266                grep "warning.*\\." out
 267        )
 268'
 269
 270test_expect_success 'fsck notices ".git" in trees' '
 271        (
 272                git init dotgit &&
 273                cd dotgit &&
 274                blob=$(echo foo | git hash-object -w --stdin) &&
 275                tab=$(printf "\\t") &&
 276                git mktree <<-EOF &&
 277                100644 blob $blob$tab.git
 278                EOF
 279                git fsck 2>out &&
 280                cat out &&
 281                grep "warning.*\\.git" out
 282        )
 283'
 284
 285test_done