t/t1430-bad-ref-name.sh

   1 #!/bin/sh
   2
   3 test_description='Test handling of ref names that check-ref-format rejects'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 TEST_PASSES_SANITIZE_LEAK=true
   8 . ./test-lib.sh
   9
  10 test_expect_success setup '
  11         test_commit one &&
  12         test_commit two &&
  13         main_sha1=$(git rev-parse refs/heads/main)
  14 '
  15
  16 test_expect_success 'fast-import: fail on invalid branch name ".badbranchname"' '
  17         test_when_finished "rm -f .git/objects/pack_* .git/objects/index_*" &&
  18         cat >input <<-INPUT_END &&
  19                 commit .badbranchname
  20                 committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
  21                 data <<COMMIT
  22                 corrupt
  23                 COMMIT
  24
  25                 from refs/heads/main
  26
  27         INPUT_END
  28         test_must_fail git fast-import <input
  29 '
  30
  31 test_expect_success 'fast-import: fail on invalid branch name "bad[branch]name"' '
  32         test_when_finished "rm -f .git/objects/pack_* .git/objects/index_*" &&
  33         cat >input <<-INPUT_END &&
  34                 commit bad[branch]name
  35                 committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
  36                 data <<COMMIT
  37                 corrupt
  38                 COMMIT
  39
  40                 from refs/heads/main
  41
  42         INPUT_END
  43         test_must_fail git fast-import <input
  44 '
  45
  46 test_expect_success 'git branch shows badly named ref as warning' '
  47         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
  48         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
  49         git branch >output 2>error &&
  50         test_grep -e "ignoring ref with broken name refs/heads/broken\.\.\.ref" error &&
  51         ! grep -e "broken\.\.\.ref" output
  52 '
  53
  54 test_expect_success 'branch -d can delete badly named ref' '
  55         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
  56         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
  57         git branch -d broken...ref &&
  58         git branch >output 2>error &&
  59         ! grep -e "broken\.\.\.ref" error &&
  60         ! grep -e "broken\.\.\.ref" output
  61 '
  62
  63 test_expect_success 'branch -D can delete badly named ref' '
  64         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
  65         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
  66         git branch -D broken...ref &&
  67         git branch >output 2>error &&
  68         ! grep -e "broken\.\.\.ref" error &&
  69         ! grep -e "broken\.\.\.ref" output
  70 '
  71
  72 test_expect_success 'branch -D cannot delete non-ref in .git dir' '
  73         echo precious >.git/my-private-file &&
  74         echo precious >expect &&
  75         test_must_fail git branch -D ../../my-private-file &&
  76         test_cmp expect .git/my-private-file
  77 '
  78
  79 test_expect_success 'branch -D cannot delete ref in .git dir' '
  80         git rev-parse HEAD >.git/my-private-file &&
  81         git rev-parse HEAD >expect &&
  82         git branch foo/legit &&
  83         test_must_fail git branch -D foo////./././../../../my-private-file &&
  84         test_cmp expect .git/my-private-file
  85 '
  86
  87 test_expect_success 'branch -D cannot delete absolute path' '
  88         git branch -f extra &&
  89         test_must_fail git branch -D "$(pwd)/.git/refs/heads/extra" &&
  90         test_cmp_rev HEAD extra
  91 '
  92
  93 test_expect_success 'git branch cannot create a badly named ref' '
  94         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
  95         test_must_fail git branch broken...ref &&
  96         git branch >output 2>error &&
  97         ! grep -e "broken\.\.\.ref" error &&
  98         ! grep -e "broken\.\.\.ref" output
  99 '
 100
 101 test_expect_success 'branch -m cannot rename to a bad ref name' '
 102         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 103         test_might_fail git branch -D goodref &&
 104         git branch goodref &&
 105         test_must_fail git branch -m goodref broken...ref &&
 106         test_cmp_rev main goodref &&
 107         git branch >output 2>error &&
 108         ! grep -e "broken\.\.\.ref" error &&
 109         ! grep -e "broken\.\.\.ref" output
 110 '
 111
 112 test_expect_failure 'branch -m can rename from a bad ref name' '
 113         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
 114
 115         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 116         git branch -m broken...ref renamed &&
 117         test_cmp_rev main renamed &&
 118         git branch >output 2>error &&
 119         ! grep -e "broken\.\.\.ref" error &&
 120         ! grep -e "broken\.\.\.ref" output
 121 '
 122
 123 test_expect_success 'push cannot create a badly named ref' '
 124         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 125         test_must_fail git push "file://$(pwd)" HEAD:refs/heads/broken...ref &&
 126         git branch >output 2>error &&
 127         ! grep -e "broken\.\.\.ref" error &&
 128         ! grep -e "broken\.\.\.ref" output
 129 '
 130
 131 test_expect_failure 'push --mirror can delete badly named ref' '
 132         top=$(pwd) &&
 133         git init src &&
 134         git init dest &&
 135
 136         (
 137                 cd src &&
 138                 test_commit one
 139         ) &&
 140         (
 141                 cd dest &&
 142                 test_commit two &&
 143                 git checkout --detach &&
 144                 test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION
 145         ) &&
 146         git -C src push --mirror "file://$top/dest" &&
 147         git -C dest branch >output 2>error &&
 148         ! grep -e "broken\.\.\.ref" error &&
 149         ! grep -e "broken\.\.\.ref" output
 150 '
 151
 152 test_expect_success 'rev-parse skips symref pointing to broken name' '
 153         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 154         git branch shadow one &&
 155         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
 156         test-tool ref-store main create-symref refs/tags/shadow refs/heads/broken...ref msg &&
 157         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/tags/shadow" &&
 158         git rev-parse --verify one >expect &&
 159         git rev-parse --verify shadow >actual 2>err &&
 160         test_cmp expect actual &&
 161         test_grep "ignoring dangling symref refs/tags/shadow" err
 162 '
 163
 164 test_expect_success 'for-each-ref emits warnings for broken names' '
 165         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
 166         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 167         printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
 168         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
 169         printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
 170         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
 171         git for-each-ref >output 2>error &&
 172         ! grep -e "broken\.\.\.ref" output &&
 173         ! grep -e "badname" output &&
 174         ! grep -e "broken\.\.\.symref" output &&
 175         test_grep "ignoring ref with broken name refs/heads/broken\.\.\.ref" error &&
 176         test_grep ! "ignoring broken ref refs/heads/badname" error &&
 177         test_grep "ignoring ref with broken name refs/heads/broken\.\.\.symref" error
 178 '
 179
 180 test_expect_success 'update-ref -d can delete broken name' '
 181         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
 182         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 183         git update-ref -d refs/heads/broken...ref >output 2>error &&
 184         test_must_be_empty output &&
 185         test_must_be_empty error &&
 186         git branch >output 2>error &&
 187         ! grep -e "broken\.\.\.ref" error &&
 188         ! grep -e "broken\.\.\.ref" output
 189 '
 190
 191 test_expect_success 'branch -d can delete broken name' '
 192         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
 193         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 194         git branch -d broken...ref >output 2>error &&
 195         test_grep "Deleted branch broken...ref (was broken)" output &&
 196         test_must_be_empty error &&
 197         git branch >output 2>error &&
 198         ! grep -e "broken\.\.\.ref" error &&
 199         ! grep -e "broken\.\.\.ref" output
 200 '
 201
 202 test_expect_success 'update-ref --no-deref -d can delete symref to broken name' '
 203         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
 204
 205         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 206         test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
 207         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
 208         test_ref_exists refs/heads/badname &&
 209         git update-ref --no-deref -d refs/heads/badname >output 2>error &&
 210         test_ref_missing refs/heads/badname &&
 211         test_must_be_empty output &&
 212         test_must_be_empty error
 213 '
 214
 215 test_expect_success 'branch -d can delete symref to broken name' '
 216         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
 217         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 218         test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
 219         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
 220         test_ref_exists refs/heads/badname &&
 221         git branch -d badname >output 2>error &&
 222         test_ref_missing refs/heads/badname &&
 223         test_grep "Deleted branch badname (was refs/heads/broken\.\.\.ref)" output &&
 224         test_must_be_empty error
 225 '
 226
 227 test_expect_success 'update-ref --no-deref -d can delete dangling symref to broken name' '
 228         test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
 229         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
 230         test_ref_exists refs/heads/badname &&
 231         git update-ref --no-deref -d refs/heads/badname >output 2>error &&
 232         test_ref_missing refs/heads/badname &&
 233         test_must_be_empty output &&
 234         test_must_be_empty error
 235 '
 236
 237 test_expect_success 'branch -d can delete dangling symref to broken name' '
 238         test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
 239         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
 240         test_ref_exists refs/heads/badname &&
 241         git branch -d badname >output 2>error &&
 242         test_ref_missing refs/heads/badname &&
 243         test_grep "Deleted branch badname (was refs/heads/broken\.\.\.ref)" output &&
 244         test_must_be_empty error
 245 '
 246
 247 test_expect_success 'update-ref -d can delete broken name through symref' '
 248         test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
 249         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
 250         test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
 251         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
 252         test_ref_exists refs/heads/broken...ref &&
 253         git update-ref -d refs/heads/badname >output 2>error &&
 254         test_ref_missing refs/heads/broken...ref &&
 255         test_must_be_empty output &&
 256         test_must_be_empty error
 257 '
 258
 259 test_expect_success 'update-ref --no-deref -d can delete symref with broken name' '
 260         printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
 261         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
 262         test_ref_exists refs/heads/broken...symref &&
 263         git update-ref --no-deref -d refs/heads/broken...symref >output 2>error &&
 264         test_ref_missing refs/heads/broken...symref &&
 265         test_must_be_empty output &&
 266         test_must_be_empty error
 267 '
 268
 269 test_expect_success 'branch -d can delete symref with broken name' '
 270         printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
 271         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
 272         test_ref_exists refs/heads/broken...symref &&
 273         git branch -d broken...symref >output 2>error &&
 274         test_ref_missing refs/heads/broken...symref &&
 275         test_grep "Deleted branch broken...symref (was refs/heads/main)" output &&
 276         test_must_be_empty error
 277 '
 278
 279 test_expect_success 'update-ref --no-deref -d can delete dangling symref with broken name' '
 280         printf "ref: refs/heads/idonotexist\n" >.git/refs/heads/broken...symref &&
 281         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
 282         test_ref_exists refs/heads/broken...symref &&
 283         git update-ref --no-deref -d refs/heads/broken...symref >output 2>error &&
 284         test_ref_missing refs/heads/broken...symref &&
 285         test_must_be_empty output &&
 286         test_must_be_empty error
 287 '
 288
 289 test_expect_success 'branch -d can delete dangling symref with broken name' '
 290         printf "ref: refs/heads/idonotexist\n" >.git/refs/heads/broken...symref &&
 291         test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
 292         test_ref_exists refs/heads/broken...symref &&
 293         git branch -d broken...symref >output 2>error &&
 294         test_ref_missing refs/heads/broken...symref &&
 295         test_grep "Deleted branch broken...symref (was refs/heads/idonotexist)" output &&
 296         test_must_be_empty error
 297 '
 298
 299 test_expect_success 'update-ref -d cannot delete non-ref in .git dir' '
 300         echo precious >.git/my-private-file &&
 301         echo precious >expect &&
 302         test_must_fail git update-ref -d my-private-file >output 2>error &&
 303         test_must_be_empty output &&
 304         test_grep -e "refusing to update ref with bad name" error &&
 305         test_cmp expect .git/my-private-file
 306 '
 307
 308 test_expect_success 'update-ref -d cannot delete absolute path' '
 309         git branch -f extra &&
 310         test_must_fail git update-ref -d "$(pwd)/.git/refs/heads/extra" &&
 311         test_cmp_rev HEAD extra
 312 '
 313
 314 test_expect_success 'update-ref --stdin fails create with bad ref name' '
 315         echo "create ~a refs/heads/main" >stdin &&
 316         test_must_fail git update-ref --stdin <stdin 2>err &&
 317         grep "fatal: invalid ref format: ~a" err
 318 '
 319
 320 test_expect_success 'update-ref --stdin fails update with bad ref name' '
 321         echo "update ~a refs/heads/main" >stdin &&
 322         test_must_fail git update-ref --stdin <stdin 2>err &&
 323         grep "fatal: invalid ref format: ~a" err
 324 '
 325
 326 test_expect_success 'update-ref --stdin fails delete with bad ref name' '
 327         echo "delete ~a refs/heads/main" >stdin &&
 328         test_must_fail git update-ref --stdin <stdin 2>err &&
 329         grep "fatal: invalid ref format: ~a" err
 330 '
 331
 332 test_expect_success 'update-ref --stdin -z fails create with bad ref name' '
 333         printf "%s\0" "create ~a " refs/heads/main >stdin &&
 334         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 335         grep "fatal: invalid ref format: ~a " err
 336 '
 337
 338 test_expect_success 'update-ref --stdin -z fails update with bad ref name' '
 339         printf "%s\0" "update ~a" refs/heads/main "" >stdin &&
 340         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 341         grep "fatal: invalid ref format: ~a" err
 342 '
 343
 344 test_expect_success 'update-ref --stdin -z fails delete with bad ref name' '
 345         printf "%s\0" "delete ~a" refs/heads/main >stdin &&
 346         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 347         grep "fatal: invalid ref format: ~a" err
 348 '
 349
 350 test_expect_success 'branch rejects HEAD as a branch name' '
 351         test_must_fail git branch HEAD HEAD^ &&
 352         test_must_fail git show-ref refs/heads/HEAD
 353 '
 354
 355 test_expect_success 'checkout -b rejects HEAD as a branch name' '
 356         test_must_fail git checkout -B HEAD HEAD^ &&
 357         test_must_fail git show-ref refs/heads/HEAD
 358 '
 359
 360 test_expect_success 'update-ref can operate on refs/heads/HEAD' '
 361         git update-ref refs/heads/HEAD HEAD^ &&
 362         git show-ref refs/heads/HEAD &&
 363         git update-ref -d refs/heads/HEAD &&
 364         test_must_fail git show-ref refs/heads/HEAD
 365 '
 366
 367 test_expect_success 'branch -d can remove refs/heads/HEAD' '
 368         git update-ref refs/heads/HEAD HEAD^ &&
 369         git branch -d HEAD &&
 370         test_must_fail git show-ref refs/heads/HEAD
 371 '
 372
 373 test_expect_success 'branch -m can rename refs/heads/HEAD' '
 374         git update-ref refs/heads/HEAD HEAD^ &&
 375         git branch -m HEAD tail &&
 376         test_must_fail git show-ref refs/heads/HEAD &&
 377         git show-ref refs/heads/tail
 378 '
 379
 380 test_expect_success 'branch -d can remove refs/heads/-dash' '
 381         git update-ref refs/heads/-dash HEAD^ &&
 382         git branch -d -- -dash &&
 383         test_must_fail git show-ref refs/heads/-dash
 384 '
 385
 386 test_expect_success 'branch -m can rename refs/heads/-dash' '
 387         git update-ref refs/heads/-dash HEAD^ &&
 388         git branch -m -- -dash dash &&
 389         test_must_fail git show-ref refs/heads/-dash &&
 390         git show-ref refs/heads/dash
 391 '
 392
 393 test_done