t / t3200-branch.shon commit parseopt: add OPT_NOOP_NOARG (6acec03)
   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Amos Waterland
   4#
   5
   6test_description='git branch --foo should not create bogus branch
   7
   8This test runs git branch --help and checks that the argument is properly
   9handled.  Specifically, that a bogus branch is not created.
  10'
  11. ./test-lib.sh
  12
  13test_expect_success \
  14    'prepare a trivial repository' \
  15    'echo Hello > A &&
  16     git update-index --add A &&
  17     git commit -m "Initial commit." &&
  18     echo World >> A &&
  19     git update-index --add A &&
  20     git commit -m "Second commit." &&
  21     HEAD=$(git rev-parse --verify HEAD)'
  22
  23test_expect_success \
  24    'git branch --help should not have created a bogus branch' '
  25     git branch --help </dev/null >/dev/null 2>/dev/null;
  26     ! test -f .git/refs/heads/--help
  27'
  28
  29test_expect_success 'branch -h in broken repository' '
  30        mkdir broken &&
  31        (
  32                cd broken &&
  33                git init &&
  34                >.git/refs/heads/master &&
  35                test_expect_code 129 git branch -h >usage 2>&1
  36        ) &&
  37        grep "[Uu]sage" broken/usage
  38'
  39
  40test_expect_success \
  41    'git branch abc should create a branch' \
  42    'git branch abc && test -f .git/refs/heads/abc'
  43
  44test_expect_success \
  45    'git branch a/b/c should create a branch' \
  46    'git branch a/b/c && test -f .git/refs/heads/a/b/c'
  47
  48cat >expect <<EOF
  49$_z40 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from master
  50EOF
  51test_expect_success \
  52    'git branch -l d/e/f should create a branch and a log' \
  53        'GIT_COMMITTER_DATE="2005-05-26 23:30" \
  54     git branch -l d/e/f &&
  55         test -f .git/refs/heads/d/e/f &&
  56         test -f .git/logs/refs/heads/d/e/f &&
  57         test_cmp expect .git/logs/refs/heads/d/e/f'
  58
  59test_expect_success \
  60    'git branch -d d/e/f should delete a branch and a log' \
  61        'git branch -d d/e/f &&
  62         test ! -f .git/refs/heads/d/e/f &&
  63         test ! -f .git/logs/refs/heads/d/e/f'
  64
  65test_expect_success \
  66    'git branch j/k should work after branch j has been deleted' \
  67       'git branch j &&
  68        git branch -d j &&
  69        git branch j/k'
  70
  71test_expect_success \
  72    'git branch l should work after branch l/m has been deleted' \
  73       'git branch l/m &&
  74        git branch -d l/m &&
  75        git branch l'
  76
  77test_expect_success \
  78    'git branch -m m m/m should work' \
  79       'git branch -l m &&
  80        git branch -m m m/m &&
  81        test -f .git/logs/refs/heads/m/m'
  82
  83test_expect_success \
  84    'git branch -m n/n n should work' \
  85       'git branch -l n/n &&
  86        git branch -m n/n n
  87        test -f .git/logs/refs/heads/n'
  88
  89test_expect_success 'git branch -m o/o o should fail when o/p exists' '
  90        git branch o/o &&
  91        git branch o/p &&
  92        test_must_fail git branch -m o/o o
  93'
  94
  95test_expect_success 'git branch -m q r/q should fail when r exists' '
  96        git branch q &&
  97        git branch r &&
  98        test_must_fail git branch -m q r/q
  99'
 100
 101test_expect_success 'git branch -M foo bar should fail when bar is checked out' '
 102        git branch bar &&
 103        git checkout -b foo &&
 104        test_must_fail git branch -M bar foo
 105'
 106
 107test_expect_success 'git branch -M baz bam should succeed when baz is checked out' '
 108        git checkout -b baz &&
 109        git branch bam &&
 110        git branch -M baz bam
 111'
 112
 113mv .git/config .git/config-saved
 114
 115test_expect_success 'git branch -m q q2 without config should succeed' '
 116        git branch -m q q2 &&
 117        git branch -m q2 q
 118'
 119
 120mv .git/config-saved .git/config
 121
 122git config branch.s/s.dummy Hello
 123
 124test_expect_success \
 125    'git branch -m s/s s should work when s/t is deleted' \
 126       'git branch -l s/s &&
 127        test -f .git/logs/refs/heads/s/s &&
 128        git branch -l s/t &&
 129        test -f .git/logs/refs/heads/s/t &&
 130        git branch -d s/t &&
 131        git branch -m s/s s &&
 132        test -f .git/logs/refs/heads/s'
 133
 134test_expect_success 'config information was renamed, too' \
 135        "test $(git config branch.s.dummy) = Hello &&
 136         test_must_fail git config branch.s/s/dummy"
 137
 138test_expect_success 'renaming a symref is not allowed' \
 139'
 140        git symbolic-ref refs/heads/master2 refs/heads/master &&
 141        test_must_fail git branch -m master2 master3 &&
 142        git symbolic-ref refs/heads/master2 &&
 143        test -f .git/refs/heads/master &&
 144        ! test -f .git/refs/heads/master3
 145'
 146
 147test_expect_success SYMLINKS \
 148    'git branch -m u v should fail when the reflog for u is a symlink' '
 149     git branch -l u &&
 150     mv .git/logs/refs/heads/u real-u &&
 151     ln -s real-u .git/logs/refs/heads/u &&
 152     test_must_fail git branch -m u v
 153'
 154
 155test_expect_success 'test tracking setup via --track' \
 156    'git config remote.local.url . &&
 157     git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 158     (git show-ref -q refs/remotes/local/master || git fetch local) &&
 159     git branch --track my1 local/master &&
 160     test $(git config branch.my1.remote) = local &&
 161     test $(git config branch.my1.merge) = refs/heads/master'
 162
 163test_expect_success 'test tracking setup (non-wildcard, matching)' \
 164    'git config remote.local.url . &&
 165     git config remote.local.fetch refs/heads/master:refs/remotes/local/master &&
 166     (git show-ref -q refs/remotes/local/master || git fetch local) &&
 167     git branch --track my4 local/master &&
 168     test $(git config branch.my4.remote) = local &&
 169     test $(git config branch.my4.merge) = refs/heads/master'
 170
 171test_expect_success 'test tracking setup (non-wildcard, not matching)' \
 172    'git config remote.local.url . &&
 173     git config remote.local.fetch refs/heads/s:refs/remotes/local/s &&
 174     (git show-ref -q refs/remotes/local/master || git fetch local) &&
 175     git branch --track my5 local/master &&
 176     ! test "$(git config branch.my5.remote)" = local &&
 177     ! test "$(git config branch.my5.merge)" = refs/heads/master'
 178
 179test_expect_success 'test tracking setup via config' \
 180    'git config branch.autosetupmerge true &&
 181     git config remote.local.url . &&
 182     git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 183     (git show-ref -q refs/remotes/local/master || git fetch local) &&
 184     git branch my3 local/master &&
 185     test $(git config branch.my3.remote) = local &&
 186     test $(git config branch.my3.merge) = refs/heads/master'
 187
 188test_expect_success 'test overriding tracking setup via --no-track' \
 189    'git config branch.autosetupmerge true &&
 190     git config remote.local.url . &&
 191     git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 192     (git show-ref -q refs/remotes/local/master || git fetch local) &&
 193     git branch --no-track my2 local/master &&
 194     git config branch.autosetupmerge false &&
 195     ! test "$(git config branch.my2.remote)" = local &&
 196     ! test "$(git config branch.my2.merge)" = refs/heads/master'
 197
 198test_expect_success 'no tracking without .fetch entries' \
 199    'git config branch.autosetupmerge true &&
 200     git branch my6 s &&
 201     git config branch.automsetupmerge false &&
 202     test -z "$(git config branch.my6.remote)" &&
 203     test -z "$(git config branch.my6.merge)"'
 204
 205test_expect_success 'test tracking setup via --track but deeper' \
 206    'git config remote.local.url . &&
 207     git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 208     (git show-ref -q refs/remotes/local/o/o || git fetch local) &&
 209     git branch --track my7 local/o/o &&
 210     test "$(git config branch.my7.remote)" = local &&
 211     test "$(git config branch.my7.merge)" = refs/heads/o/o'
 212
 213test_expect_success 'test deleting branch deletes branch config' \
 214    'git branch -d my7 &&
 215     test -z "$(git config branch.my7.remote)" &&
 216     test -z "$(git config branch.my7.merge)"'
 217
 218test_expect_success 'test deleting branch without config' \
 219    'git branch my7 s &&
 220     sha1=$(git rev-parse my7 | cut -c 1-7) &&
 221     echo "Deleted branch my7 (was $sha1)." >expect &&
 222     git branch -d my7 >actual 2>&1 &&
 223     test_i18ncmp expect actual'
 224
 225test_expect_success 'test --track without .fetch entries' \
 226    'git branch --track my8 &&
 227     test "$(git config branch.my8.remote)" &&
 228     test "$(git config branch.my8.merge)"'
 229
 230test_expect_success \
 231    'branch from non-branch HEAD w/autosetupmerge=always' \
 232    'git config branch.autosetupmerge always &&
 233     git branch my9 HEAD^ &&
 234     git config branch.autosetupmerge false'
 235
 236test_expect_success \
 237    'branch from non-branch HEAD w/--track causes failure' \
 238    'test_must_fail git branch --track my10 HEAD^'
 239
 240test_expect_success \
 241    'branch from tag w/--track causes failure' \
 242    'git tag foobar &&
 243     test_must_fail git branch --track my11 foobar'
 244
 245# Keep this test last, as it changes the current branch
 246cat >expect <<EOF
 247$_z40 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from master
 248EOF
 249test_expect_success \
 250    'git checkout -b g/h/i -l should create a branch and a log' \
 251        'GIT_COMMITTER_DATE="2005-05-26 23:30" \
 252     git checkout -b g/h/i -l master &&
 253         test -f .git/refs/heads/g/h/i &&
 254         test -f .git/logs/refs/heads/g/h/i &&
 255         test_cmp expect .git/logs/refs/heads/g/h/i'
 256
 257test_expect_success 'checkout -b makes reflog by default' '
 258        git checkout master &&
 259        git config --unset core.logAllRefUpdates &&
 260        git checkout -b alpha &&
 261        git rev-parse --verify alpha@{0}
 262'
 263
 264test_expect_success 'checkout -b does not make reflog when core.logAllRefUpdates = false' '
 265        git checkout master &&
 266        git config core.logAllRefUpdates false &&
 267        git checkout -b beta &&
 268        test_must_fail git rev-parse --verify beta@{0}
 269'
 270
 271test_expect_success 'checkout -b with -l makes reflog when core.logAllRefUpdates = false' '
 272        git checkout master &&
 273        git checkout -lb gamma &&
 274        git config --unset core.logAllRefUpdates &&
 275        git rev-parse --verify gamma@{0}
 276'
 277
 278test_expect_success 'avoid ambiguous track' '
 279        git config branch.autosetupmerge true &&
 280        git config remote.ambi1.url lalala &&
 281        git config remote.ambi1.fetch refs/heads/lalala:refs/heads/master &&
 282        git config remote.ambi2.url lilili &&
 283        git config remote.ambi2.fetch refs/heads/lilili:refs/heads/master &&
 284        git branch all1 master &&
 285        test -z "$(git config branch.all1.merge)"
 286'
 287
 288test_expect_success 'autosetuprebase local on a tracked local branch' '
 289        git config remote.local.url . &&
 290        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 291        git config branch.autosetuprebase local &&
 292        (git show-ref -q refs/remotes/local/o || git fetch local) &&
 293        git branch mybase &&
 294        git branch --track myr1 mybase &&
 295        test "$(git config branch.myr1.remote)" = . &&
 296        test "$(git config branch.myr1.merge)" = refs/heads/mybase &&
 297        test "$(git config branch.myr1.rebase)" = true
 298'
 299
 300test_expect_success 'autosetuprebase always on a tracked local branch' '
 301        git config remote.local.url . &&
 302        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 303        git config branch.autosetuprebase always &&
 304        (git show-ref -q refs/remotes/local/o || git fetch local) &&
 305        git branch mybase2 &&
 306        git branch --track myr2 mybase &&
 307        test "$(git config branch.myr2.remote)" = . &&
 308        test "$(git config branch.myr2.merge)" = refs/heads/mybase &&
 309        test "$(git config branch.myr2.rebase)" = true
 310'
 311
 312test_expect_success 'autosetuprebase remote on a tracked local branch' '
 313        git config remote.local.url . &&
 314        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 315        git config branch.autosetuprebase remote &&
 316        (git show-ref -q refs/remotes/local/o || git fetch local) &&
 317        git branch mybase3 &&
 318        git branch --track myr3 mybase2 &&
 319        test "$(git config branch.myr3.remote)" = . &&
 320        test "$(git config branch.myr3.merge)" = refs/heads/mybase2 &&
 321        ! test "$(git config branch.myr3.rebase)" = true
 322'
 323
 324test_expect_success 'autosetuprebase never on a tracked local branch' '
 325        git config remote.local.url . &&
 326        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 327        git config branch.autosetuprebase never &&
 328        (git show-ref -q refs/remotes/local/o || git fetch local) &&
 329        git branch mybase4 &&
 330        git branch --track myr4 mybase2 &&
 331        test "$(git config branch.myr4.remote)" = . &&
 332        test "$(git config branch.myr4.merge)" = refs/heads/mybase2 &&
 333        ! test "$(git config branch.myr4.rebase)" = true
 334'
 335
 336test_expect_success 'autosetuprebase local on a tracked remote branch' '
 337        git config remote.local.url . &&
 338        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 339        git config branch.autosetuprebase local &&
 340        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 341        git branch --track myr5 local/master &&
 342        test "$(git config branch.myr5.remote)" = local &&
 343        test "$(git config branch.myr5.merge)" = refs/heads/master &&
 344        ! test "$(git config branch.myr5.rebase)" = true
 345'
 346
 347test_expect_success 'autosetuprebase never on a tracked remote branch' '
 348        git config remote.local.url . &&
 349        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 350        git config branch.autosetuprebase never &&
 351        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 352        git branch --track myr6 local/master &&
 353        test "$(git config branch.myr6.remote)" = local &&
 354        test "$(git config branch.myr6.merge)" = refs/heads/master &&
 355        ! test "$(git config branch.myr6.rebase)" = true
 356'
 357
 358test_expect_success 'autosetuprebase remote on a tracked remote branch' '
 359        git config remote.local.url . &&
 360        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 361        git config branch.autosetuprebase remote &&
 362        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 363        git branch --track myr7 local/master &&
 364        test "$(git config branch.myr7.remote)" = local &&
 365        test "$(git config branch.myr7.merge)" = refs/heads/master &&
 366        test "$(git config branch.myr7.rebase)" = true
 367'
 368
 369test_expect_success 'autosetuprebase always on a tracked remote branch' '
 370        git config remote.local.url . &&
 371        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 372        git config branch.autosetuprebase remote &&
 373        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 374        git branch --track myr8 local/master &&
 375        test "$(git config branch.myr8.remote)" = local &&
 376        test "$(git config branch.myr8.merge)" = refs/heads/master &&
 377        test "$(git config branch.myr8.rebase)" = true
 378'
 379
 380test_expect_success 'autosetuprebase unconfigured on a tracked remote branch' '
 381        git config --unset branch.autosetuprebase &&
 382        git config remote.local.url . &&
 383        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 384        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 385        git branch --track myr9 local/master &&
 386        test "$(git config branch.myr9.remote)" = local &&
 387        test "$(git config branch.myr9.merge)" = refs/heads/master &&
 388        test "z$(git config branch.myr9.rebase)" = z
 389'
 390
 391test_expect_success 'autosetuprebase unconfigured on a tracked local branch' '
 392        git config remote.local.url . &&
 393        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 394        (git show-ref -q refs/remotes/local/o || git fetch local) &&
 395        git branch mybase10 &&
 396        git branch --track myr10 mybase2 &&
 397        test "$(git config branch.myr10.remote)" = . &&
 398        test "$(git config branch.myr10.merge)" = refs/heads/mybase2 &&
 399        test "z$(git config branch.myr10.rebase)" = z
 400'
 401
 402test_expect_success 'autosetuprebase unconfigured on untracked local branch' '
 403        git config remote.local.url . &&
 404        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 405        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 406        git branch --no-track myr11 mybase2 &&
 407        test "z$(git config branch.myr11.remote)" = z &&
 408        test "z$(git config branch.myr11.merge)" = z &&
 409        test "z$(git config branch.myr11.rebase)" = z
 410'
 411
 412test_expect_success 'autosetuprebase unconfigured on untracked remote branch' '
 413        git config remote.local.url . &&
 414        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 415        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 416        git branch --no-track myr12 local/master &&
 417        test "z$(git config branch.myr12.remote)" = z &&
 418        test "z$(git config branch.myr12.merge)" = z &&
 419        test "z$(git config branch.myr12.rebase)" = z
 420'
 421
 422test_expect_success 'autosetuprebase never on an untracked local branch' '
 423        git config branch.autosetuprebase never &&
 424        git config remote.local.url . &&
 425        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 426        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 427        git branch --no-track myr13 mybase2 &&
 428        test "z$(git config branch.myr13.remote)" = z &&
 429        test "z$(git config branch.myr13.merge)" = z &&
 430        test "z$(git config branch.myr13.rebase)" = z
 431'
 432
 433test_expect_success 'autosetuprebase local on an untracked local branch' '
 434        git config branch.autosetuprebase local &&
 435        git config remote.local.url . &&
 436        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 437        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 438        git branch --no-track myr14 mybase2 &&
 439        test "z$(git config branch.myr14.remote)" = z &&
 440        test "z$(git config branch.myr14.merge)" = z &&
 441        test "z$(git config branch.myr14.rebase)" = z
 442'
 443
 444test_expect_success 'autosetuprebase remote on an untracked local branch' '
 445        git config branch.autosetuprebase remote &&
 446        git config remote.local.url . &&
 447        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 448        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 449        git branch --no-track myr15 mybase2 &&
 450        test "z$(git config branch.myr15.remote)" = z &&
 451        test "z$(git config branch.myr15.merge)" = z &&
 452        test "z$(git config branch.myr15.rebase)" = z
 453'
 454
 455test_expect_success 'autosetuprebase always on an untracked local branch' '
 456        git config branch.autosetuprebase always &&
 457        git config remote.local.url . &&
 458        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 459        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 460        git branch --no-track myr16 mybase2 &&
 461        test "z$(git config branch.myr16.remote)" = z &&
 462        test "z$(git config branch.myr16.merge)" = z &&
 463        test "z$(git config branch.myr16.rebase)" = z
 464'
 465
 466test_expect_success 'autosetuprebase never on an untracked remote branch' '
 467        git config branch.autosetuprebase never &&
 468        git config remote.local.url . &&
 469        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 470        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 471        git branch --no-track myr17 local/master &&
 472        test "z$(git config branch.myr17.remote)" = z &&
 473        test "z$(git config branch.myr17.merge)" = z &&
 474        test "z$(git config branch.myr17.rebase)" = z
 475'
 476
 477test_expect_success 'autosetuprebase local on an untracked remote branch' '
 478        git config branch.autosetuprebase local &&
 479        git config remote.local.url . &&
 480        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 481        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 482        git branch --no-track myr18 local/master &&
 483        test "z$(git config branch.myr18.remote)" = z &&
 484        test "z$(git config branch.myr18.merge)" = z &&
 485        test "z$(git config branch.myr18.rebase)" = z
 486'
 487
 488test_expect_success 'autosetuprebase remote on an untracked remote branch' '
 489        git config branch.autosetuprebase remote &&
 490        git config remote.local.url . &&
 491        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 492        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 493        git branch --no-track myr19 local/master &&
 494        test "z$(git config branch.myr19.remote)" = z &&
 495        test "z$(git config branch.myr19.merge)" = z &&
 496        test "z$(git config branch.myr19.rebase)" = z
 497'
 498
 499test_expect_success 'autosetuprebase always on an untracked remote branch' '
 500        git config branch.autosetuprebase always &&
 501        git config remote.local.url . &&
 502        git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
 503        (git show-ref -q refs/remotes/local/master || git fetch local) &&
 504        git branch --no-track myr20 local/master &&
 505        test "z$(git config branch.myr20.remote)" = z &&
 506        test "z$(git config branch.myr20.merge)" = z &&
 507        test "z$(git config branch.myr20.rebase)" = z
 508'
 509
 510test_expect_success 'autosetuprebase always on detached HEAD' '
 511        git config branch.autosetupmerge always &&
 512        test_when_finished git checkout master &&
 513        git checkout HEAD^0 &&
 514        git branch my11 &&
 515        test -z "$(git config branch.my11.remote)" &&
 516        test -z "$(git config branch.my11.merge)"
 517'
 518
 519test_expect_success 'detect misconfigured autosetuprebase (bad value)' '
 520        git config branch.autosetuprebase garbage &&
 521        test_must_fail git branch
 522'
 523
 524test_expect_success 'detect misconfigured autosetuprebase (no value)' '
 525        git config --unset branch.autosetuprebase &&
 526        echo "[branch] autosetuprebase" >> .git/config &&
 527        test_must_fail git branch &&
 528        git config --unset branch.autosetuprebase
 529'
 530
 531test_expect_success 'attempt to delete a branch without base and unmerged to HEAD' '
 532        git checkout my9 &&
 533        git config --unset branch.my8.merge &&
 534        test_must_fail git branch -d my8
 535'
 536
 537test_expect_success 'attempt to delete a branch merged to its base' '
 538        # we are on my9 which is the initial commit; traditionally
 539        # we would not have allowed deleting my8 that is not merged
 540        # to my9, but it is set to track master that already has my8
 541        git config branch.my8.merge refs/heads/master &&
 542        git branch -d my8
 543'
 544
 545test_expect_success 'attempt to delete a branch merged to its base' '
 546        git checkout master &&
 547        echo Third >>A &&
 548        git commit -m "Third commit" A &&
 549        git branch -t my10 my9 &&
 550        git branch -f my10 HEAD^ &&
 551        # we are on master which is at the third commit, and my10
 552        # is behind us, so traditionally we would have allowed deleting
 553        # it; but my10 is set to track my9 that is further behind.
 554        test_must_fail git branch -d my10
 555'
 556
 557test_expect_success 'use set-upstream on the current branch' '
 558        git checkout master &&
 559        git --bare init myupstream.git &&
 560        git push myupstream.git master:refs/heads/frotz &&
 561        git remote add origin myupstream.git &&
 562        git fetch &&
 563        git branch --set-upstream master origin/frotz &&
 564
 565        test "z$(git config branch.master.remote)" = "zorigin" &&
 566        test "z$(git config branch.master.merge)" = "zrefs/heads/frotz"
 567
 568'
 569
 570test_done