t/t7400-submodule-basic.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Lars Hjemli
   4 #
   5
   6 test_description='Basic porcelain support for submodules
   7
   8 This test tries to verify basic sanity of the init, update and status
   9 subcommands of git submodule.
  10 '
  11
  12 . ./test-lib.sh
  13
  14 test_expect_success 'setup - initial commit' '
  15         >t &&
  16         git add t &&
  17         git commit -m "initial commit" &&
  18         git branch initial
  19 '
  20
  21 test_expect_success 'setup - repository in init subdirectory' '
  22         mkdir init &&
  23         (
  24                 cd init &&
  25                 git init &&
  26                 echo a >a &&
  27                 git add a &&
  28                 git commit -m "submodule commit 1" &&
  29                 git tag -a -m "rev-1" rev-1
  30         )
  31 '
  32
  33 test_expect_success 'setup - commit with gitlink' '
  34         echo a >a &&
  35         echo z >z &&
  36         git add a init z &&
  37         git commit -m "super commit 1"
  38 '
  39
  40 test_expect_success 'setup - hide init subdirectory' '
  41         mv init .subrepo
  42 '
  43
  44 test_expect_success 'setup - repository to add submodules to' '
  45         git init addtest &&
  46         git init addtest-ignore
  47 '
  48
  49 # The 'submodule add' tests need some repository to add as a submodule.
  50 # The trash directory is a good one as any. We need to canonicalize
  51 # the name, though, as some tests compare it to the absolute path git
  52 # generates, which will expand symbolic links.
  53 submodurl=$(pwd -P)
  54
  55 listbranches() {
  56         git for-each-ref --format='%(refname)' 'refs/heads/*'
  57 }
  58
  59 inspect() {
  60         dir=$1 &&
  61         dotdot="${2:-..}" &&
  62
  63         (
  64                 cd "$dir" &&
  65                 listbranches >"$dotdot/heads" &&
  66                 { git symbolic-ref HEAD || :; } >"$dotdot/head" &&
  67                 git rev-parse HEAD >"$dotdot/head-sha1" &&
  68                 git update-index --refresh &&
  69                 git diff-files --exit-code &&
  70                 git clean -n -d -x >"$dotdot/untracked"
  71         )
  72 }
  73
  74 test_expect_success 'submodule add' '
  75         echo "refs/heads/master" >expect &&
  76         >empty &&
  77
  78         (
  79                 cd addtest &&
  80                 git submodule add -q "$submodurl" submod >actual &&
  81                 test ! -s actual &&
  82                 echo "gitdir: ../.git/modules/submod" >expect &&
  83                 test_cmp expect submod/.git &&
  84                 (
  85                         cd submod &&
  86                         git config core.worktree >actual &&
  87                         echo "../../../submod" >expect &&
  88                         test_cmp expect actual &&
  89                         rm -f actual expect
  90                 ) &&
  91                 git submodule init
  92         ) &&
  93
  94         rm -f heads head untracked &&
  95         inspect addtest/submod ../.. &&
  96         test_cmp expect heads &&
  97         test_cmp expect head &&
  98         test_cmp empty untracked
  99 '
 100
 101 test_expect_success 'submodule add to .gitignored path fails' '
 102         (
 103                 cd addtest-ignore &&
 104                 cat <<-\EOF >expect &&
 105                 The following path is ignored by one of your .gitignore files:
 106                 submod
 107                 Use -f if you really want to add it.
 108                 EOF
 109                 # Does not use test_commit due to the ignore
 110                 echo "*" > .gitignore &&
 111                 git add --force .gitignore &&
 112                 git commit -m"Ignore everything" &&
 113                 ! git submodule add "$submodurl" submod >actual 2>&1 &&
 114                 test_i18ncmp expect actual
 115         )
 116 '
 117
 118 test_expect_success 'submodule add to .gitignored path with --force' '
 119         (
 120                 cd addtest-ignore &&
 121                 git submodule add --force "$submodurl" submod
 122         )
 123 '
 124
 125 test_expect_success 'submodule add --branch' '
 126         echo "refs/heads/initial" >expect-head &&
 127         cat <<-\EOF >expect-heads &&
 128         refs/heads/initial
 129         refs/heads/master
 130         EOF
 131         >empty &&
 132
 133         (
 134                 cd addtest &&
 135                 git submodule add -b initial "$submodurl" submod-branch &&
 136                 git submodule init
 137         ) &&
 138
 139         rm -f heads head untracked &&
 140         inspect addtest/submod-branch ../.. &&
 141         test_cmp expect-heads heads &&
 142         test_cmp expect-head head &&
 143         test_cmp empty untracked
 144 '
 145
 146 test_expect_success 'submodule add with ./ in path' '
 147         echo "refs/heads/master" >expect &&
 148         >empty &&
 149
 150         (
 151                 cd addtest &&
 152                 git submodule add "$submodurl" ././dotsubmod/./frotz/./ &&
 153                 git submodule init
 154         ) &&
 155
 156         rm -f heads head untracked &&
 157         inspect addtest/dotsubmod/frotz ../../.. &&
 158         test_cmp expect heads &&
 159         test_cmp expect head &&
 160         test_cmp empty untracked
 161 '
 162
 163 test_expect_success 'submodule add with // in path' '
 164         echo "refs/heads/master" >expect &&
 165         >empty &&
 166
 167         (
 168                 cd addtest &&
 169                 git submodule add "$submodurl" slashslashsubmod///frotz// &&
 170                 git submodule init
 171         ) &&
 172
 173         rm -f heads head untracked &&
 174         inspect addtest/slashslashsubmod/frotz ../../.. &&
 175         test_cmp expect heads &&
 176         test_cmp expect head &&
 177         test_cmp empty untracked
 178 '
 179
 180 test_expect_success 'submodule add with /.. in path' '
 181         echo "refs/heads/master" >expect &&
 182         >empty &&
 183
 184         (
 185                 cd addtest &&
 186                 git submodule add "$submodurl" dotdotsubmod/../realsubmod/frotz/.. &&
 187                 git submodule init
 188         ) &&
 189
 190         rm -f heads head untracked &&
 191         inspect addtest/realsubmod ../.. &&
 192         test_cmp expect heads &&
 193         test_cmp expect head &&
 194         test_cmp empty untracked
 195 '
 196
 197 test_expect_success 'submodule add with ./, /.. and // in path' '
 198         echo "refs/heads/master" >expect &&
 199         >empty &&
 200
 201         (
 202                 cd addtest &&
 203                 git submodule add "$submodurl" dot/dotslashsubmod/./../..////realsubmod2/a/b/c/d/../../../../frotz//.. &&
 204                 git submodule init
 205         ) &&
 206
 207         rm -f heads head untracked &&
 208         inspect addtest/realsubmod2 ../.. &&
 209         test_cmp expect heads &&
 210         test_cmp expect head &&
 211         test_cmp empty untracked
 212 '
 213
 214 test_expect_success 'setup - add an example entry to .gitmodules' '
 215         GIT_CONFIG=.gitmodules \
 216         git config submodule.example.url git://example.com/init.git
 217 '
 218
 219 test_expect_success 'status should fail for unmapped paths' '
 220         test_must_fail git submodule status
 221 '
 222
 223 test_expect_success 'setup - map path in .gitmodules' '
 224         cat <<\EOF >expect &&
 225 [submodule "example"]
 226         url = git://example.com/init.git
 227         path = init
 228 EOF
 229
 230         GIT_CONFIG=.gitmodules git config submodule.example.path init &&
 231
 232         test_cmp expect .gitmodules
 233 '
 234
 235 test_expect_success 'status should only print one line' '
 236         git submodule status >lines &&
 237         test_line_count = 1 lines
 238 '
 239
 240 test_expect_success 'setup - fetch commit name from submodule' '
 241         rev1=$(cd .subrepo && git rev-parse HEAD) &&
 242         printf "rev1: %s\n" "$rev1" &&
 243         test -n "$rev1"
 244 '
 245
 246 test_expect_success 'status should initially be "missing"' '
 247         git submodule status >lines &&
 248         grep "^-$rev1" lines
 249 '
 250
 251 test_expect_success 'init should register submodule url in .git/config' '
 252         echo git://example.com/init.git >expect &&
 253
 254         git submodule init &&
 255         git config submodule.example.url >url &&
 256         git config submodule.example.url ./.subrepo &&
 257
 258         test_cmp expect url
 259 '
 260
 261 test_expect_success 'update should fail when path is used by a file' '
 262         echo hello >expect &&
 263
 264         echo "hello" >init &&
 265         test_must_fail git submodule update &&
 266
 267         test_cmp expect init
 268 '
 269
 270 test_expect_success 'update should fail when path is used by a nonempty directory' '
 271         echo hello >expect &&
 272
 273         rm -fr init &&
 274         mkdir init &&
 275         echo "hello" >init/a &&
 276
 277         test_must_fail git submodule update &&
 278
 279         test_cmp expect init/a
 280 '
 281
 282 test_expect_success 'update should work when path is an empty dir' '
 283         rm -fr init &&
 284         rm -f head-sha1 &&
 285         echo "$rev1" >expect &&
 286
 287         mkdir init &&
 288         git submodule update -q >update.out &&
 289         test ! -s update.out &&
 290
 291         inspect init &&
 292         test_cmp expect head-sha1
 293 '
 294
 295 test_expect_success 'status should be "up-to-date" after update' '
 296         git submodule status >list &&
 297         grep "^ $rev1" list
 298 '
 299
 300 test_expect_success 'status should be "modified" after submodule commit' '
 301         (
 302                 cd init &&
 303                 echo b >b &&
 304                 git add b &&
 305                 git commit -m "submodule commit 2"
 306         ) &&
 307
 308         rev2=$(cd init && git rev-parse HEAD) &&
 309         test -n "$rev2" &&
 310         git submodule status >list &&
 311
 312         grep "^+$rev2" list
 313 '
 314
 315 test_expect_success 'the --cached sha1 should be rev1' '
 316         git submodule --cached status >list &&
 317         grep "^+$rev1" list
 318 '
 319
 320 test_expect_success 'git diff should report the SHA1 of the new submodule commit' '
 321         git diff >diff &&
 322         grep "^+Subproject commit $rev2" diff
 323 '
 324
 325 test_expect_success 'update should checkout rev1' '
 326         rm -f head-sha1 &&
 327         echo "$rev1" >expect &&
 328
 329         git submodule update init &&
 330         inspect init &&
 331
 332         test_cmp expect head-sha1
 333 '
 334
 335 test_expect_success 'status should be "up-to-date" after update' '
 336         git submodule status >list &&
 337         grep "^ $rev1" list
 338 '
 339
 340 test_expect_success 'checkout superproject with subproject already present' '
 341         git checkout initial &&
 342         git checkout master
 343 '
 344
 345 test_expect_success 'apply submodule diff' '
 346         >empty &&
 347
 348         git branch second &&
 349         (
 350                 cd init &&
 351                 echo s >s &&
 352                 git add s &&
 353                 git commit -m "change subproject"
 354         ) &&
 355         git update-index --add init &&
 356         git commit -m "change init" &&
 357         git format-patch -1 --stdout >P.diff &&
 358         git checkout second &&
 359         git apply --index P.diff &&
 360
 361         git diff --cached master >staged &&
 362         test_cmp empty staged
 363 '
 364
 365 test_expect_success 'update --init' '
 366         mv init init2 &&
 367         git config -f .gitmodules submodule.example.url "$(pwd)/init2" &&
 368         git config --remove-section submodule.example &&
 369         test_must_fail git config submodule.example.url &&
 370
 371         git submodule update init > update.out &&
 372         cat update.out &&
 373         test_i18ngrep "not initialized" update.out &&
 374         test_must_fail git rev-parse --resolve-git-dir init/.git &&
 375
 376         git submodule update --init init &&
 377         git rev-parse --resolve-git-dir init/.git
 378 '
 379
 380 test_expect_success 'do not add files from a submodule' '
 381
 382         git reset --hard &&
 383         test_must_fail git add init/a
 384
 385 '
 386
 387 test_expect_success 'gracefully add submodule with a trailing slash' '
 388
 389         git reset --hard &&
 390         git commit -m "commit subproject" init &&
 391         (cd init &&
 392          echo b > a) &&
 393         git add init/ &&
 394         git diff --exit-code --cached init &&
 395         commit=$(cd init &&
 396          git commit -m update a >/dev/null &&
 397          git rev-parse HEAD) &&
 398         git add init/ &&
 399         test_must_fail git diff --exit-code --cached init &&
 400         test $commit = $(git ls-files --stage |
 401                 sed -n "s/^160000 \([^ ]*\).*/\1/p")
 402
 403 '
 404
 405 test_expect_success 'ls-files gracefully handles trailing slash' '
 406
 407         test "init" = "$(git ls-files init/)"
 408
 409 '
 410
 411 test_expect_success 'moving to a commit without submodule does not leave empty dir' '
 412         rm -rf init &&
 413         mkdir init &&
 414         git reset --hard &&
 415         git checkout initial &&
 416         test ! -d init &&
 417         git checkout second
 418 '
 419
 420 test_expect_success 'submodule <invalid-path> warns' '
 421
 422         git submodule no-such-submodule 2> output.err &&
 423         grep "^error: .*no-such-submodule" output.err
 424
 425 '
 426
 427 test_expect_success 'add submodules without specifying an explicit path' '
 428         mkdir repo &&
 429         (
 430                 cd repo &&
 431                 git init &&
 432                 echo r >r &&
 433                 git add r &&
 434                 git commit -m "repo commit 1"
 435         ) &&
 436         git clone --bare repo/ bare.git &&
 437         (
 438                 cd addtest &&
 439                 git submodule add "$submodurl/repo" &&
 440                 git config -f .gitmodules submodule.repo.path repo &&
 441                 git submodule add "$submodurl/bare.git" &&
 442                 git config -f .gitmodules submodule.bare.path bare
 443         )
 444 '
 445
 446 test_expect_success 'add should fail when path is used by a file' '
 447         (
 448                 cd addtest &&
 449                 touch file &&
 450                 test_must_fail  git submodule add "$submodurl/repo" file
 451         )
 452 '
 453
 454 test_expect_success 'add should fail when path is used by an existing directory' '
 455         (
 456                 cd addtest &&
 457                 mkdir empty-dir &&
 458                 test_must_fail git submodule add "$submodurl/repo" empty-dir
 459         )
 460 '
 461
 462 test_expect_success 'use superproject as upstream when path is relative and no url is set there' '
 463         (
 464                 cd addtest &&
 465                 git submodule add ../repo relative &&
 466                 test "$(git config -f .gitmodules submodule.relative.url)" = ../repo &&
 467                 git submodule sync relative &&
 468                 test "$(git config submodule.relative.url)" = "$submodurl/repo"
 469         )
 470 '
 471
 472 test_expect_success 'set up for relative path tests' '
 473         mkdir reltest &&
 474         (
 475                 cd reltest &&
 476                 git init &&
 477                 mkdir sub &&
 478                 (
 479                         cd sub &&
 480                         git init &&
 481                         test_commit foo
 482                 ) &&
 483                 git add sub &&
 484                 git config -f .gitmodules submodule.sub.path sub &&
 485                 git config -f .gitmodules submodule.sub.url ../subrepo &&
 486                 cp .git/config pristine-.git-config
 487         )
 488 '
 489
 490 test_expect_success 'relative path works with URL' '
 491         (
 492                 cd reltest &&
 493                 cp pristine-.git-config .git/config &&
 494                 git config remote.origin.url ssh://hostname/repo &&
 495                 git submodule init &&
 496                 test "$(git config submodule.sub.url)" = ssh://hostname/subrepo
 497         )
 498 '
 499
 500 test_expect_success 'relative path works with user@host:path' '
 501         (
 502                 cd reltest &&
 503                 cp pristine-.git-config .git/config &&
 504                 git config remote.origin.url user@host:repo &&
 505                 git submodule init &&
 506                 test "$(git config submodule.sub.url)" = user@host:subrepo
 507         )
 508 '
 509
 510 test_expect_success 'moving the superproject does not break submodules' '
 511         (
 512                 cd addtest &&
 513                 git submodule status >expect
 514         )
 515         mv addtest addtest2 &&
 516         (
 517                 cd addtest2 &&
 518                 git submodule status >actual &&
 519                 test_cmp expect actual
 520         )
 521 '
 522
 523 test_done