t/t5601-clone.sh

   1 #!/bin/sh
   2
   3 test_description=clone
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 . ./test-lib.sh
   9
  10 X=
  11 test_have_prereq !MINGW || X=.exe
  12
  13 test_expect_success setup '
  14
  15         rm -fr .git &&
  16         test_create_repo src &&
  17         (
  18                 cd src &&
  19                 >file &&
  20                 git add file &&
  21                 git commit -m initial &&
  22                 echo 1 >file &&
  23                 git add file &&
  24                 git commit -m updated
  25         )
  26
  27 '
  28
  29 test_expect_success 'clone with excess parameters (1)' '
  30
  31         rm -fr dst &&
  32         test_must_fail git clone -n src dst junk
  33
  34 '
  35
  36 test_expect_success 'clone with excess parameters (2)' '
  37
  38         rm -fr dst &&
  39         test_must_fail git clone -n "file://$(pwd)/src" dst junk
  40
  41 '
  42
  43 test_expect_success 'output from clone' '
  44         rm -fr dst &&
  45         git clone -n "file://$(pwd)/src" dst >output 2>&1 &&
  46         test $(grep Clon output | wc -l) = 1
  47 '
  48
  49 test_expect_success 'clone does not keep pack' '
  50
  51         rm -fr dst &&
  52         git clone -n "file://$(pwd)/src" dst &&
  53         ! test -f dst/file &&
  54         ! (echo dst/.git/objects/pack/pack-* | grep "\.keep")
  55
  56 '
  57
  58 test_expect_success 'clone checks out files' '
  59
  60         rm -fr dst &&
  61         git clone src dst &&
  62         test -f dst/file
  63
  64 '
  65
  66 test_expect_success 'clone respects GIT_WORK_TREE' '
  67
  68         GIT_WORK_TREE=worktree git clone src bare &&
  69         test -f bare/config &&
  70         test -f worktree/file
  71
  72 '
  73
  74 test_expect_success LIBCURL 'clone warns or fails when using username:password' '
  75         message="URL '\''https://username:<redacted>@localhost/'\'' uses plaintext credentials" &&
  76         test_must_fail git -c transfer.credentialsInUrl=allow clone https://username:password@localhost attempt1 2>err &&
  77         ! grep "$message" err &&
  78
  79         test_must_fail git -c transfer.credentialsInUrl=warn clone https://username:password@localhost attempt2 2>err &&
  80         grep "warning: $message" err >warnings &&
  81         test_line_count = 2 warnings &&
  82
  83         test_must_fail git -c transfer.credentialsInUrl=die clone https://username:password@localhost attempt3 2>err &&
  84         grep "fatal: $message" err >warnings &&
  85         test_line_count = 1 warnings &&
  86
  87         test_must_fail git -c transfer.credentialsInUrl=die clone https://username:@localhost attempt3 2>err &&
  88         grep "fatal: $message" err >warnings &&
  89         test_line_count = 1 warnings
  90 '
  91
  92 test_expect_success LIBCURL 'clone does not detect username:password when it is https://username@domain:port/' '
  93         test_must_fail git -c transfer.credentialsInUrl=warn clone https://username@localhost:8080 attempt3 2>err &&
  94         ! grep "uses plaintext credentials" err
  95 '
  96
  97 test_expect_success 'clone from hooks' '
  98
  99         test_create_repo r0 &&
 100         cd r0 &&
 101         test_commit initial &&
 102         cd .. &&
 103         git init r1 &&
 104         cd r1 &&
 105         test_hook pre-commit <<-\EOF &&
 106         git clone ../r0 ../r2
 107         exit 1
 108         EOF
 109         : >file &&
 110         git add file &&
 111         test_must_fail git commit -m invoke-hook &&
 112         cd .. &&
 113         test_cmp r0/.git/HEAD r2/.git/HEAD &&
 114         test_cmp r0/initial.t r2/initial.t
 115
 116 '
 117
 118 test_expect_success 'clone creates intermediate directories' '
 119
 120         git clone src long/path/to/dst &&
 121         test -f long/path/to/dst/file
 122
 123 '
 124
 125 test_expect_success 'clone creates intermediate directories for bare repo' '
 126
 127         git clone --bare src long/path/to/bare/dst &&
 128         test -f long/path/to/bare/dst/config
 129
 130 '
 131
 132 test_expect_success 'clone --mirror' '
 133
 134         git clone --mirror src mirror &&
 135         test -f mirror/HEAD &&
 136         test ! -f mirror/file &&
 137         FETCH="$(cd mirror && git config remote.origin.fetch)" &&
 138         test "+refs/*:refs/*" = "$FETCH" &&
 139         MIRROR="$(cd mirror && git config --bool remote.origin.mirror)" &&
 140         test "$MIRROR" = true
 141
 142 '
 143
 144 test_expect_success 'clone --mirror with detached HEAD' '
 145
 146         ( cd src && git checkout HEAD^ && git rev-parse HEAD >../expected ) &&
 147         git clone --mirror src mirror.detached &&
 148         ( cd src && git checkout - ) &&
 149         GIT_DIR=mirror.detached git rev-parse HEAD >actual &&
 150         test_cmp expected actual
 151
 152 '
 153
 154 test_expect_success 'clone --bare with detached HEAD' '
 155
 156         ( cd src && git checkout HEAD^ && git rev-parse HEAD >../expected ) &&
 157         git clone --bare src bare.detached &&
 158         ( cd src && git checkout - ) &&
 159         GIT_DIR=bare.detached git rev-parse HEAD >actual &&
 160         test_cmp expected actual
 161
 162 '
 163
 164 test_expect_success 'clone --bare names the local repository <name>.git' '
 165
 166         git clone --bare src &&
 167         test -d src.git
 168
 169 '
 170
 171 test_expect_success 'clone --mirror does not repeat tags' '
 172
 173         (cd src &&
 174          git tag some-tag HEAD) &&
 175         git clone --mirror src mirror2 &&
 176         (cd mirror2 &&
 177          git show-ref 2> clone.err > clone.out) &&
 178         ! grep Duplicate mirror2/clone.err &&
 179         grep some-tag mirror2/clone.out
 180
 181 '
 182
 183 test_expect_success 'clone to destination with trailing /' '
 184
 185         git clone src target-1/ &&
 186         T=$( cd target-1 && git rev-parse HEAD ) &&
 187         S=$( cd src && git rev-parse HEAD ) &&
 188         test "$T" = "$S"
 189
 190 '
 191
 192 test_expect_success 'clone to destination with extra trailing /' '
 193
 194         git clone src target-2/// &&
 195         T=$( cd target-2 && git rev-parse HEAD ) &&
 196         S=$( cd src && git rev-parse HEAD ) &&
 197         test "$T" = "$S"
 198
 199 '
 200
 201 test_expect_success 'clone to an existing empty directory' '
 202         mkdir target-3 &&
 203         git clone src target-3 &&
 204         T=$( cd target-3 && git rev-parse HEAD ) &&
 205         S=$( cd src && git rev-parse HEAD ) &&
 206         test "$T" = "$S"
 207 '
 208
 209 test_expect_success 'clone to an existing non-empty directory' '
 210         mkdir target-4 &&
 211         >target-4/Fakefile &&
 212         test_must_fail git clone src target-4
 213 '
 214
 215 test_expect_success 'clone to an existing path' '
 216         >target-5 &&
 217         test_must_fail git clone src target-5
 218 '
 219
 220 test_expect_success 'clone a void' '
 221         mkdir src-0 &&
 222         (
 223                 cd src-0 && git init
 224         ) &&
 225         git clone "file://$(pwd)/src-0" target-6 2>err-6 &&
 226         ! grep "fatal:" err-6 &&
 227         (
 228                 cd src-0 && test_commit A
 229         ) &&
 230         git clone "file://$(pwd)/src-0" target-7 2>err-7 &&
 231         ! grep "fatal:" err-7 &&
 232         # There is no reason to insist they are bit-for-bit
 233         # identical, but this test should suffice for now.
 234         test_cmp target-6/.git/config target-7/.git/config
 235 '
 236
 237 test_expect_success 'clone respects global branch.autosetuprebase' '
 238         (
 239                 test_config="$HOME/.gitconfig" &&
 240                 git config -f "$test_config" branch.autosetuprebase remote &&
 241                 rm -fr dst &&
 242                 git clone src dst &&
 243                 cd dst &&
 244                 actual="z$(git config branch.main.rebase)" &&
 245                 test ztrue = $actual
 246         )
 247 '
 248
 249 test_expect_success 'respect url-encoding of file://' '
 250         git init x+y &&
 251         git clone "file://$PWD/x+y" xy-url-1 &&
 252         git clone "file://$PWD/x%2By" xy-url-2
 253 '
 254
 255 test_expect_success 'do not query-string-decode + in URLs' '
 256         rm -rf x+y &&
 257         git init "x y" &&
 258         test_must_fail git clone "file://$PWD/x+y" xy-no-plus
 259 '
 260
 261 test_expect_success 'do not respect url-encoding of non-url path' '
 262         git init x+y &&
 263         test_must_fail git clone x%2By xy-regular &&
 264         git clone x+y xy-regular
 265 '
 266
 267 test_expect_success 'clone separate gitdir' '
 268         rm -rf dst &&
 269         git clone --separate-git-dir realgitdir src dst &&
 270         test -d realgitdir/refs
 271 '
 272
 273 test_expect_success 'clone separate gitdir: output' '
 274         echo "gitdir: $(pwd)/realgitdir" >expected &&
 275         test_cmp expected dst/.git
 276 '
 277
 278 test_expect_success 'clone from .git file' '
 279         git clone dst/.git dst2
 280 '
 281
 282 test_expect_success 'fetch from .git gitfile' '
 283         (
 284                 cd dst2 &&
 285                 git fetch ../dst/.git
 286         )
 287 '
 288
 289 test_expect_success 'fetch from gitfile parent' '
 290         (
 291                 cd dst2 &&
 292                 git fetch ../dst
 293         )
 294 '
 295
 296 test_expect_success 'clone separate gitdir where target already exists' '
 297         rm -rf dst &&
 298         echo foo=bar >>realgitdir/config &&
 299         test_must_fail git clone --separate-git-dir realgitdir src dst &&
 300         grep foo=bar realgitdir/config
 301 '
 302
 303 test_expect_success 'clone --reference from original' '
 304         git clone --shared --bare src src-1 &&
 305         git clone --bare src src-2 &&
 306         git clone --reference=src-2 --bare src-1 target-8 &&
 307         grep /src-2/ target-8/objects/info/alternates
 308 '
 309
 310 test_expect_success 'clone with more than one --reference' '
 311         git clone --bare src src-3 &&
 312         git clone --bare src src-4 &&
 313         git clone --reference=src-3 --reference=src-4 src target-9 &&
 314         grep /src-3/ target-9/.git/objects/info/alternates &&
 315         grep /src-4/ target-9/.git/objects/info/alternates
 316 '
 317
 318 test_expect_success 'clone from original with relative alternate' '
 319         mkdir nest &&
 320         git clone --bare src nest/src-5 &&
 321         echo ../../../src/.git/objects >nest/src-5/objects/info/alternates &&
 322         git clone --bare nest/src-5 target-10 &&
 323         grep /src/\\.git/objects target-10/objects/info/alternates
 324 '
 325
 326 test_expect_success 'clone checking out a tag' '
 327         git clone --branch=some-tag src dst.tag &&
 328         GIT_DIR=src/.git git rev-parse some-tag >expected &&
 329         GIT_DIR=dst.tag/.git git rev-parse HEAD >actual &&
 330         test_cmp expected actual &&
 331         GIT_DIR=dst.tag/.git git config remote.origin.fetch >fetch.actual &&
 332         echo "+refs/heads/*:refs/remotes/origin/*" >fetch.expected &&
 333         test_cmp fetch.expected fetch.actual
 334 '
 335
 336 test_expect_success 'set up ssh wrapper' '
 337         cp "$GIT_BUILD_DIR/t/helper/test-fake-ssh$X" \
 338                 "$TRASH_DIRECTORY/ssh$X" &&
 339         GIT_SSH="$TRASH_DIRECTORY/ssh$X" &&
 340         export GIT_SSH &&
 341         export TRASH_DIRECTORY &&
 342         >"$TRASH_DIRECTORY"/ssh-output
 343 '
 344
 345 copy_ssh_wrapper_as () {
 346         rm -f "${1%$X}$X" &&
 347         cp "$TRASH_DIRECTORY/ssh$X" "${1%$X}$X" &&
 348         test_when_finished "rm $(git rev-parse --sq-quote "${1%$X}$X")" &&
 349         GIT_SSH="${1%$X}$X" &&
 350         test_when_finished "GIT_SSH=\"\$TRASH_DIRECTORY/ssh\$X\""
 351 }
 352
 353 expect_ssh () {
 354         test_when_finished '
 355                 (cd "$TRASH_DIRECTORY" && rm -f ssh-expect && >ssh-output)
 356         ' &&
 357         {
 358                 case "$#" in
 359                 1)
 360                         ;;
 361                 2)
 362                         echo "ssh: $1 git-upload-pack '$2'"
 363                         ;;
 364                 3)
 365                         echo "ssh: $1 $2 git-upload-pack '$3'"
 366                         ;;
 367                 *)
 368                         echo "ssh: $1 $2 git-upload-pack '$3' $4"
 369                 esac
 370         } >"$TRASH_DIRECTORY/ssh-expect" &&
 371         (cd "$TRASH_DIRECTORY" && test_cmp ssh-expect ssh-output)
 372 }
 373
 374 test_expect_success 'clone myhost:src uses ssh' '
 375         GIT_TEST_PROTOCOL_VERSION=0 git clone myhost:src ssh-clone &&
 376         expect_ssh myhost src
 377 '
 378
 379 test_expect_success !MINGW,!CYGWIN 'clone local path foo:bar' '
 380         cp -R src "foo:bar" &&
 381         git clone "foo:bar" foobar &&
 382         expect_ssh none
 383 '
 384
 385 test_expect_success 'bracketed hostnames are still ssh' '
 386         GIT_TEST_PROTOCOL_VERSION=0 git clone "[myhost:123]:src" ssh-bracket-clone &&
 387         expect_ssh "-p 123" myhost src
 388 '
 389
 390 test_expect_success 'OpenSSH variant passes -4' '
 391         GIT_TEST_PROTOCOL_VERSION=0 git clone -4 "[myhost:123]:src" ssh-ipv4-clone &&
 392         expect_ssh "-4 -p 123" myhost src
 393 '
 394
 395 test_expect_success 'variant can be overridden' '
 396         copy_ssh_wrapper_as "$TRASH_DIRECTORY/putty" &&
 397         git -c ssh.variant=putty clone -4 "[myhost:123]:src" ssh-putty-clone &&
 398         expect_ssh "-4 -P 123" myhost src
 399 '
 400
 401 test_expect_success 'variant=auto picks based on basename' '
 402         copy_ssh_wrapper_as "$TRASH_DIRECTORY/plink" &&
 403         git -c ssh.variant=auto clone -4 "[myhost:123]:src" ssh-auto-clone &&
 404         expect_ssh "-4 -P 123" myhost src
 405 '
 406
 407 test_expect_success 'simple does not support -4/-6' '
 408         copy_ssh_wrapper_as "$TRASH_DIRECTORY/simple" &&
 409         test_must_fail git clone -4 "myhost:src" ssh-4-clone-simple
 410 '
 411
 412 test_expect_success 'simple does not support port' '
 413         copy_ssh_wrapper_as "$TRASH_DIRECTORY/simple" &&
 414         test_must_fail git clone "[myhost:123]:src" ssh-bracket-clone-simple
 415 '
 416
 417 test_expect_success 'uplink is treated as simple' '
 418         copy_ssh_wrapper_as "$TRASH_DIRECTORY/uplink" &&
 419         test_must_fail git clone "[myhost:123]:src" ssh-bracket-clone-uplink &&
 420         git clone "myhost:src" ssh-clone-uplink &&
 421         expect_ssh myhost src
 422 '
 423
 424 test_expect_success 'OpenSSH-like uplink is treated as ssh' '
 425         write_script "$TRASH_DIRECTORY/uplink" <<-EOF &&
 426         if test "\$1" = "-G"
 427         then
 428                 exit 0
 429         fi &&
 430         exec "\$TRASH_DIRECTORY/ssh$X" "\$@"
 431         EOF
 432         test_when_finished "rm -f \"\$TRASH_DIRECTORY/uplink\"" &&
 433         GIT_SSH="$TRASH_DIRECTORY/uplink" &&
 434         test_when_finished "GIT_SSH=\"\$TRASH_DIRECTORY/ssh\$X\"" &&
 435         GIT_TEST_PROTOCOL_VERSION=0 git clone "[myhost:123]:src" ssh-bracket-clone-sshlike-uplink &&
 436         expect_ssh "-p 123" myhost src
 437 '
 438
 439 test_expect_success 'plink is treated specially (as putty)' '
 440         copy_ssh_wrapper_as "$TRASH_DIRECTORY/plink" &&
 441         git clone "[myhost:123]:src" ssh-bracket-clone-plink-0 &&
 442         expect_ssh "-P 123" myhost src
 443 '
 444
 445 test_expect_success 'plink.exe is treated specially (as putty)' '
 446         copy_ssh_wrapper_as "$TRASH_DIRECTORY/plink.exe" &&
 447         git clone "[myhost:123]:src" ssh-bracket-clone-plink-1 &&
 448         expect_ssh "-P 123" myhost src
 449 '
 450
 451 test_expect_success 'tortoiseplink is like putty, with extra arguments' '
 452         copy_ssh_wrapper_as "$TRASH_DIRECTORY/tortoiseplink" &&
 453         git clone "[myhost:123]:src" ssh-bracket-clone-plink-2 &&
 454         expect_ssh "-batch -P 123" myhost src
 455 '
 456
 457 test_expect_success 'double quoted plink.exe in GIT_SSH_COMMAND' '
 458         copy_ssh_wrapper_as "$TRASH_DIRECTORY/plink.exe" &&
 459         GIT_SSH_COMMAND="\"$TRASH_DIRECTORY/plink.exe\" -v" \
 460                 git clone "[myhost:123]:src" ssh-bracket-clone-plink-3 &&
 461         expect_ssh "-v -P 123" myhost src
 462 '
 463
 464 test_expect_success 'single quoted plink.exe in GIT_SSH_COMMAND' '
 465         copy_ssh_wrapper_as "$TRASH_DIRECTORY/plink.exe" &&
 466         GIT_SSH_COMMAND="$SQ$TRASH_DIRECTORY/plink.exe$SQ -v" \
 467                 git clone "[myhost:123]:src" ssh-bracket-clone-plink-4 &&
 468         expect_ssh "-v -P 123" myhost src
 469 '
 470
 471 test_expect_success 'GIT_SSH_VARIANT overrides plink detection' '
 472         copy_ssh_wrapper_as "$TRASH_DIRECTORY/plink" &&
 473         GIT_TEST_PROTOCOL_VERSION=0 GIT_SSH_VARIANT=ssh \
 474                 git clone "[myhost:123]:src" ssh-bracket-clone-variant-1 &&
 475         expect_ssh "-p 123" myhost src
 476 '
 477
 478 test_expect_success 'ssh.variant overrides plink detection' '
 479         copy_ssh_wrapper_as "$TRASH_DIRECTORY/plink" &&
 480         GIT_TEST_PROTOCOL_VERSION=0 git -c ssh.variant=ssh \
 481                 clone "[myhost:123]:src" ssh-bracket-clone-variant-2 &&
 482         expect_ssh "-p 123" myhost src
 483 '
 484
 485 test_expect_success 'GIT_SSH_VARIANT overrides plink detection to plink' '
 486         copy_ssh_wrapper_as "$TRASH_DIRECTORY/plink" &&
 487         GIT_SSH_VARIANT=plink \
 488         git clone "[myhost:123]:src" ssh-bracket-clone-variant-3 &&
 489         expect_ssh "-P 123" myhost src
 490 '
 491
 492 test_expect_success 'GIT_SSH_VARIANT overrides plink to tortoiseplink' '
 493         copy_ssh_wrapper_as "$TRASH_DIRECTORY/plink" &&
 494         GIT_SSH_VARIANT=tortoiseplink \
 495         git clone "[myhost:123]:src" ssh-bracket-clone-variant-4 &&
 496         expect_ssh "-batch -P 123" myhost src
 497 '
 498
 499 test_expect_success 'clean failure on broken quoting' '
 500         test_must_fail \
 501                 env GIT_SSH_COMMAND="${SQ}plink.exe -v" \
 502                 git clone "[myhost:123]:src" sq-failure
 503 '
 504
 505 counter=0
 506 # $1 url
 507 # $2 none|host
 508 # $3 path
 509 test_clone_url () {
 510         counter=$(($counter + 1))
 511         test_might_fail env GIT_TEST_PROTOCOL_VERSION=0 git clone "$1" tmp$counter &&
 512         shift &&
 513         expect_ssh "$@"
 514 }
 515
 516 test_expect_success !MINGW,!CYGWIN 'clone c:temp is ssl' '
 517         test_clone_url c:temp c temp
 518 '
 519
 520 test_expect_success MINGW 'clone c:temp is dos drive' '
 521         test_clone_url c:temp none
 522 '
 523
 524 #ip v4
 525 for repo in rep rep/home/project 123
 526 do
 527         test_expect_success "clone host:$repo" '
 528                 test_clone_url host:$repo host $repo
 529         '
 530 done
 531
 532 #ipv6
 533 for repo in rep rep/home/project 123
 534 do
 535         test_expect_success "clone [::1]:$repo" '
 536                 test_clone_url [::1]:$repo ::1 "$repo"
 537         '
 538 done
 539 #home directory
 540 test_expect_success "clone host:/~repo" '
 541         test_clone_url host:/~repo host "~repo"
 542 '
 543
 544 test_expect_success "clone [::1]:/~repo" '
 545         test_clone_url [::1]:/~repo ::1 "~repo"
 546 '
 547
 548 # Corner cases
 549 for url in foo/bar:baz [foo]bar/baz:qux [foo/bar]:baz
 550 do
 551         test_expect_success "clone $url is not ssh" '
 552                 test_clone_url $url none
 553         '
 554 done
 555
 556 #with ssh:// scheme
 557 #ignore trailing colon
 558 for tcol in "" :
 559 do
 560         test_expect_success "clone ssh://host.xz$tcol/home/user/repo" '
 561                 test_clone_url "ssh://host.xz$tcol/home/user/repo" host.xz /home/user/repo
 562         '
 563         # from home directory
 564         test_expect_success "clone ssh://host.xz$tcol/~repo" '
 565         test_clone_url "ssh://host.xz$tcol/~repo" host.xz "~repo"
 566 '
 567 done
 568
 569 # with port number
 570 test_expect_success 'clone ssh://host.xz:22/home/user/repo' '
 571         test_clone_url "ssh://host.xz:22/home/user/repo" "-p 22 host.xz" "/home/user/repo"
 572 '
 573
 574 # from home directory with port number
 575 test_expect_success 'clone ssh://host.xz:22/~repo' '
 576         test_clone_url "ssh://host.xz:22/~repo" "-p 22 host.xz" "~repo"
 577 '
 578
 579 #IPv6
 580 for tuah in ::1 [::1] [::1]: user@::1 user@[::1] user@[::1]: [user@::1] [user@::1]:
 581 do
 582         ehost=$(echo $tuah | sed -e "s/1]:/1]/" | tr -d "[]")
 583         test_expect_success "clone ssh://$tuah/home/user/repo" "
 584           test_clone_url ssh://$tuah/home/user/repo $ehost /home/user/repo
 585         "
 586 done
 587
 588 #IPv6 from home directory
 589 for tuah in ::1 [::1] user@::1 user@[::1] [user@::1]
 590 do
 591         euah=$(echo $tuah | tr -d "[]")
 592         test_expect_success "clone ssh://$tuah/~repo" "
 593           test_clone_url ssh://$tuah/~repo $euah '~repo'
 594         "
 595 done
 596
 597 #IPv6 with port number
 598 for tuah in [::1] user@[::1] [user@::1]
 599 do
 600         euah=$(echo $tuah | tr -d "[]")
 601         test_expect_success "clone ssh://$tuah:22/home/user/repo" "
 602           test_clone_url ssh://$tuah:22/home/user/repo '-p 22' $euah /home/user/repo
 603         "
 604 done
 605
 606 #IPv6 from home directory with port number
 607 for tuah in [::1] user@[::1] [user@::1]
 608 do
 609         euah=$(echo $tuah | tr -d "[]")
 610         test_expect_success "clone ssh://$tuah:22/~repo" "
 611           test_clone_url ssh://$tuah:22/~repo '-p 22' $euah '~repo'
 612         "
 613 done
 614
 615 test_expect_success 'clone from a repository with two identical branches' '
 616
 617         (
 618                 cd src &&
 619                 git checkout -b another main
 620         ) &&
 621         git clone src target-11 &&
 622         test "z$( cd target-11 && git symbolic-ref HEAD )" = zrefs/heads/another
 623
 624 '
 625
 626 test_expect_success 'shallow clone locally' '
 627         git clone --depth=1 --no-local src ssrrcc &&
 628         git clone ssrrcc ddsstt &&
 629         test_cmp ssrrcc/.git/shallow ddsstt/.git/shallow &&
 630         ( cd ddsstt && git fsck )
 631 '
 632
 633 test_expect_success 'GIT_TRACE_PACKFILE produces a usable pack' '
 634         rm -rf dst.git &&
 635         GIT_TRACE_PACKFILE=$PWD/tmp.pack git clone --no-local --bare src dst.git &&
 636         git init --bare replay.git &&
 637         git -C replay.git index-pack -v --stdin <tmp.pack
 638 '
 639
 640 test_expect_success 'clone on case-insensitive fs' '
 641         git init icasefs &&
 642         (
 643                 cd icasefs &&
 644                 o=$(git hash-object -w --stdin </dev/null | hex2oct) &&
 645                 t=$(printf "100644 X\0${o}100644 x\0${o}" |
 646                         git hash-object -w -t tree --stdin) &&
 647                 c=$(git commit-tree -m bogus $t) &&
 648                 git update-ref refs/heads/bogus $c &&
 649                 git clone -b bogus . bogus 2>warning
 650         )
 651 '
 652
 653 test_expect_success CASE_INSENSITIVE_FS 'colliding file detection' '
 654         grep X icasefs/warning &&
 655         grep x icasefs/warning &&
 656         test_i18ngrep "the following paths have collided" icasefs/warning
 657 '
 658
 659 test_expect_success 'clone with GIT_DEFAULT_HASH' '
 660         (
 661                 sane_unset GIT_DEFAULT_HASH &&
 662                 git init --object-format=sha1 test-sha1 &&
 663                 git init --object-format=sha256 test-sha256
 664         ) &&
 665         test_commit -C test-sha1 foo &&
 666         test_commit -C test-sha256 foo &&
 667         GIT_DEFAULT_HASH=sha1 git clone test-sha256 test-clone-sha256 &&
 668         GIT_DEFAULT_HASH=sha256 git clone test-sha1 test-clone-sha1 &&
 669         git -C test-clone-sha1 status &&
 670         git -C test-clone-sha256 status
 671 '
 672
 673 partial_clone_server () {
 674                SERVER="$1" &&
 675
 676         rm -rf "$SERVER" client &&
 677         test_create_repo "$SERVER" &&
 678         test_commit -C "$SERVER" one &&
 679         HASH1=$(git -C "$SERVER" hash-object one.t) &&
 680         git -C "$SERVER" revert HEAD &&
 681         test_commit -C "$SERVER" two &&
 682         HASH2=$(git -C "$SERVER" hash-object two.t) &&
 683         test_config -C "$SERVER" uploadpack.allowfilter 1 &&
 684         test_config -C "$SERVER" uploadpack.allowanysha1inwant 1
 685 }
 686
 687 partial_clone () {
 688                SERVER="$1" &&
 689                URL="$2" &&
 690
 691         partial_clone_server "${SERVER}" &&
 692         git clone --filter=blob:limit=0 "$URL" client &&
 693
 694         git -C client fsck &&
 695
 696         # Ensure that unneeded blobs are not inadvertently fetched.
 697         test_config -C client remote.origin.promisor "false" &&
 698         git -C client config --unset remote.origin.partialclonefilter &&
 699         test_must_fail git -C client cat-file -e "$HASH1" &&
 700
 701         # But this blob was fetched, because clone performs an initial checkout
 702         git -C client cat-file -e "$HASH2"
 703 }
 704
 705 test_expect_success 'partial clone' '
 706         partial_clone server "file://$(pwd)/server"
 707 '
 708
 709 test_expect_success 'partial clone with -o' '
 710         partial_clone_server server &&
 711         git clone -o blah --filter=blob:limit=0 "file://$(pwd)/server" client &&
 712         test_cmp_config -C client "blob:limit=0" --get-all remote.blah.partialclonefilter
 713 '
 714
 715 test_expect_success 'partial clone: warn if server does not support object filtering' '
 716         rm -rf server client &&
 717         test_create_repo server &&
 718         test_commit -C server one &&
 719
 720         git clone --filter=blob:limit=0 "file://$(pwd)/server" client 2> err &&
 721
 722         test_i18ngrep "filtering not recognized by server" err
 723 '
 724
 725 test_expect_success 'batch missing blob request during checkout' '
 726         rm -rf server client &&
 727
 728         test_create_repo server &&
 729         echo a >server/a &&
 730         echo b >server/b &&
 731         git -C server add a b &&
 732
 733         git -C server commit -m x &&
 734         echo aa >server/a &&
 735         echo bb >server/b &&
 736         git -C server add a b &&
 737         git -C server commit -m x &&
 738
 739         test_config -C server uploadpack.allowfilter 1 &&
 740         test_config -C server uploadpack.allowanysha1inwant 1 &&
 741
 742         git clone --filter=blob:limit=0 "file://$(pwd)/server" client &&
 743
 744         # Ensure that there is only one negotiation by checking that there is
 745         # only "done" line sent. ("done" marks the end of negotiation.)
 746         GIT_TRACE_PACKET="$(pwd)/trace" \
 747                 GIT_TRACE2_EVENT="$(pwd)/trace2_event" \
 748                 git -C client -c trace2.eventNesting=5 checkout HEAD^ &&
 749         grep \"key\":\"total_rounds\",\"value\":\"1\" trace2_event >trace_lines &&
 750         test_line_count = 1 trace_lines &&
 751         grep "fetch> done" trace >done_lines &&
 752         test_line_count = 1 done_lines
 753 '
 754
 755 test_expect_success 'batch missing blob request does not inadvertently try to fetch gitlinks' '
 756         rm -rf server client &&
 757
 758         test_create_repo repo_for_submodule &&
 759         test_commit -C repo_for_submodule x &&
 760
 761         test_create_repo server &&
 762         echo a >server/a &&
 763         echo b >server/b &&
 764         git -C server add a b &&
 765         git -C server commit -m x &&
 766
 767         echo aa >server/a &&
 768         echo bb >server/b &&
 769         # Also add a gitlink pointing to an arbitrary repository
 770         git -C server submodule add "$(pwd)/repo_for_submodule" c &&
 771         git -C server add a b c &&
 772         git -C server commit -m x &&
 773
 774         test_config -C server uploadpack.allowfilter 1 &&
 775         test_config -C server uploadpack.allowanysha1inwant 1 &&
 776
 777         # Make sure that it succeeds
 778         git clone --filter=blob:limit=0 "file://$(pwd)/server" client
 779 '
 780
 781 . "$TEST_DIRECTORY"/lib-httpd.sh
 782 start_httpd
 783
 784 test_expect_success 'partial clone using HTTP' '
 785         partial_clone "$HTTPD_DOCUMENT_ROOT_PATH/server" "$HTTPD_URL/smart/server"
 786 '
 787
 788 test_expect_success 'reject cloning shallow repository using HTTP' '
 789         test_when_finished "rm -rf repo" &&
 790         git clone --bare --no-local --depth=1 src "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
 791         test_must_fail git -c protocol.version=2 clone --reject-shallow $HTTPD_URL/smart/repo.git repo 2>err &&
 792         test_i18ngrep -e "source repository is shallow, reject to clone." err &&
 793
 794         git clone --no-reject-shallow $HTTPD_URL/smart/repo.git repo
 795 '
 796
 797 # DO NOT add non-httpd-specific tests here, because the last part of this
 798 # test script is only executed when httpd is available and enabled.
 799
 800 test_done