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.
  51 submodurl=$TRASH_DIRECTORY
  52
  53 listbranches() {
  54         git for-each-ref --format='%(refname)' 'refs/heads/*'
  55 }
  56
  57 inspect() {
  58         dir=$1 &&
  59         dotdot="${2:-..}" &&
  60
  61         (
  62                 cd "$dir" &&
  63                 listbranches >"$dotdot/heads" &&
  64                 { git symbolic-ref HEAD || :; } >"$dotdot/head" &&
  65                 git rev-parse HEAD >"$dotdot/head-sha1" &&
  66                 git update-index --refresh &&
  67                 git diff-files --exit-code &&
  68                 git clean -n -d -x >"$dotdot/untracked"
  69         )
  70 }
  71
  72 test_expect_success 'submodule add' '
  73         echo "refs/heads/master" >expect &&
  74         >empty &&
  75
  76         (
  77                 cd addtest &&
  78                 git submodule add "$submodurl" submod &&
  79                 git submodule init
  80         ) &&
  81
  82         rm -f heads head untracked &&
  83         inspect addtest/submod ../.. &&
  84         test_cmp expect heads &&
  85         test_cmp expect head &&
  86         test_cmp empty untracked
  87 '
  88
  89 test_expect_success 'submodule add to .gitignored path fails' '
  90         (
  91                 cd addtest-ignore &&
  92                 cat <<-\EOF >expect &&
  93                 The following path is ignored by one of your .gitignore files:
  94                 submod
  95                 Use -f if you really want to add it.
  96                 EOF
  97                 # Does not use test_commit due to the ignore
  98                 echo "*" > .gitignore &&
  99                 git add --force .gitignore &&
 100                 git commit -m"Ignore everything" &&
 101                 ! git submodule add "$submodurl" submod >actual 2>&1 &&
 102                 test_cmp expect actual
 103         )
 104 '
 105
 106 test_expect_success 'submodule add to .gitignored path with --force' '
 107         (
 108                 cd addtest-ignore &&
 109                 git submodule add --force "$submodurl" submod
 110         )
 111 '
 112
 113 test_expect_success 'submodule add --branch' '
 114         echo "refs/heads/initial" >expect-head &&
 115         cat <<-\EOF >expect-heads &&
 116         refs/heads/initial
 117         refs/heads/master
 118         EOF
 119         >empty &&
 120
 121         (
 122                 cd addtest &&
 123                 git submodule add -b initial "$submodurl" submod-branch &&
 124                 git submodule init
 125         ) &&
 126
 127         rm -f heads head untracked &&
 128         inspect addtest/submod-branch ../.. &&
 129         test_cmp expect-heads heads &&
 130         test_cmp expect-head head &&
 131         test_cmp empty untracked
 132 '
 133
 134 test_expect_success 'submodule add with ./ in path' '
 135         echo "refs/heads/master" >expect &&
 136         >empty &&
 137
 138         (
 139                 cd addtest &&
 140                 git submodule add "$submodurl" ././dotsubmod/./frotz/./ &&
 141                 git submodule init
 142         ) &&
 143
 144         rm -f heads head untracked &&
 145         inspect addtest/dotsubmod/frotz ../../.. &&
 146         test_cmp expect heads &&
 147         test_cmp expect head &&
 148         test_cmp empty untracked
 149 '
 150
 151 test_expect_success 'submodule add with // in path' '
 152         echo "refs/heads/master" >expect &&
 153         >empty &&
 154
 155         (
 156                 cd addtest &&
 157                 git submodule add "$submodurl" slashslashsubmod///frotz// &&
 158                 git submodule init
 159         ) &&
 160
 161         rm -f heads head untracked &&
 162         inspect addtest/slashslashsubmod/frotz ../../.. &&
 163         test_cmp expect heads &&
 164         test_cmp expect head &&
 165         test_cmp empty untracked
 166 '
 167
 168 test_expect_success 'submodule add with /.. in path' '
 169         echo "refs/heads/master" >expect &&
 170         >empty &&
 171
 172         (
 173                 cd addtest &&
 174                 git submodule add "$submodurl" dotdotsubmod/../realsubmod/frotz/.. &&
 175                 git submodule init
 176         ) &&
 177
 178         rm -f heads head untracked &&
 179         inspect addtest/realsubmod ../.. &&
 180         test_cmp expect heads &&
 181         test_cmp expect head &&
 182         test_cmp empty untracked
 183 '
 184
 185 test_expect_success 'submodule add with ./, /.. and // in path' '
 186         echo "refs/heads/master" >expect &&
 187         >empty &&
 188
 189         (
 190                 cd addtest &&
 191                 git submodule add "$submodurl" dot/dotslashsubmod/./../..////realsubmod2/a/b/c/d/../../../../frotz//.. &&
 192                 git submodule init
 193         ) &&
 194
 195         rm -f heads head untracked &&
 196         inspect addtest/realsubmod2 ../.. &&
 197         test_cmp expect heads &&
 198         test_cmp expect head &&
 199         test_cmp empty untracked
 200 '
 201
 202 test_expect_success 'setup - add an example entry to .gitmodules' '
 203         GIT_CONFIG=.gitmodules \
 204         git config submodule.example.url git://example.com/init.git
 205 '
 206
 207 test_expect_success 'status should fail for unmapped paths' '
 208         test_must_fail git submodule status
 209 '
 210
 211 test_expect_success 'setup - map path in .gitmodules' '
 212         cat <<\EOF >expect &&
 213 [submodule "example"]
 214         url = git://example.com/init.git
 215         path = init
 216 EOF
 217
 218         GIT_CONFIG=.gitmodules git config submodule.example.path init &&
 219
 220         test_cmp expect .gitmodules
 221 '
 222
 223 test_expect_success 'status should only print one line' '
 224         git submodule status >lines &&
 225         test $(wc -l <lines) = 1
 226 '
 227
 228 test_expect_success 'setup - fetch commit name from submodule' '
 229         rev1=$(cd .subrepo && git rev-parse HEAD) &&
 230         printf "rev1: %s\n" "$rev1" &&
 231         test -n "$rev1"
 232 '
 233
 234 test_expect_success 'status should initially be "missing"' '
 235         git submodule status >lines &&
 236         grep "^-$rev1" lines
 237 '
 238
 239 test_expect_success 'init should register submodule url in .git/config' '
 240         echo git://example.com/init.git >expect &&
 241
 242         git submodule init &&
 243         git config submodule.example.url >url &&
 244         git config submodule.example.url ./.subrepo &&
 245
 246         test_cmp expect url
 247 '
 248
 249 test_expect_success 'update should fail when path is used by a file' '
 250         echo hello >expect &&
 251
 252         echo "hello" >init &&
 253         test_must_fail git submodule update &&
 254
 255         test_cmp expect init
 256 '
 257
 258 test_expect_success 'update should fail when path is used by a nonempty directory' '
 259         echo hello >expect &&
 260
 261         rm -fr init &&
 262         mkdir init &&
 263         echo "hello" >init/a &&
 264
 265         test_must_fail git submodule update &&
 266
 267         test_cmp expect init/a
 268 '
 269
 270 test_expect_success 'update should work when path is an empty dir' '
 271         rm -fr init &&
 272         rm -f head-sha1 &&
 273         echo "$rev1" >expect &&
 274
 275         mkdir init &&
 276         git submodule update &&
 277
 278         inspect init &&
 279         test_cmp expect head-sha1
 280 '
 281
 282 test_expect_success 'status should be "up-to-date" after update' '
 283         git submodule status >list &&
 284         grep "^ $rev1" list
 285 '
 286
 287 test_expect_success 'status should be "modified" after submodule commit' '
 288         (
 289                 cd init &&
 290                 echo b >b &&
 291                 git add b &&
 292                 git commit -m "submodule commit 2"
 293         ) &&
 294
 295         rev2=$(cd init && git rev-parse HEAD) &&
 296         test -n "$rev2" &&
 297         git submodule status >list &&
 298
 299         grep "^+$rev2" list
 300 '
 301
 302 test_expect_success 'the --cached sha1 should be rev1' '
 303         git submodule --cached status >list &&
 304         grep "^+$rev1" list
 305 '
 306
 307 test_expect_success 'git diff should report the SHA1 of the new submodule commit' '
 308         git diff >diff &&
 309         grep "^+Subproject commit $rev2" diff
 310 '
 311
 312 test_expect_success 'update should checkout rev1' '
 313         rm -f head-sha1 &&
 314         echo "$rev1" >expect &&
 315
 316         git submodule update init &&
 317         inspect init &&
 318
 319         test_cmp expect head-sha1
 320 '
 321
 322 test_expect_success 'status should be "up-to-date" after update' '
 323         git submodule status >list &&
 324         grep "^ $rev1" list
 325 '
 326
 327 test_expect_success 'checkout superproject with subproject already present' '
 328         git checkout initial &&
 329         git checkout master
 330 '
 331
 332 test_expect_success 'apply submodule diff' '
 333         >empty &&
 334
 335         git branch second &&
 336         (
 337                 cd init &&
 338                 echo s >s &&
 339                 git add s &&
 340                 git commit -m "change subproject"
 341         ) &&
 342         git update-index --add init &&
 343         git commit -m "change init" &&
 344         git format-patch -1 --stdout >P.diff &&
 345         git checkout second &&
 346         git apply --index P.diff &&
 347
 348         git diff --cached master >staged &&
 349         test_cmp empty staged
 350 '
 351
 352 test_expect_success 'update --init' '
 353         mv init init2 &&
 354         git config -f .gitmodules submodule.example.url "$(pwd)/init2" &&
 355         git config --remove-section submodule.example &&
 356         test_must_fail git config submodule.example.url &&
 357
 358         git submodule update init > update.out &&
 359         cat update.out &&
 360         grep "not initialized" update.out &&
 361         ! test -d init/.git &&
 362
 363         git submodule update --init init &&
 364         test -d init/.git
 365 '
 366
 367 test_expect_success 'do not add files from a submodule' '
 368
 369         git reset --hard &&
 370         test_must_fail git add init/a
 371
 372 '
 373
 374 test_expect_success 'gracefully add submodule with a trailing slash' '
 375
 376         git reset --hard &&
 377         git commit -m "commit subproject" init &&
 378         (cd init &&
 379          echo b > a) &&
 380         git add init/ &&
 381         git diff --exit-code --cached init &&
 382         commit=$(cd init &&
 383          git commit -m update a >/dev/null &&
 384          git rev-parse HEAD) &&
 385         git add init/ &&
 386         test_must_fail git diff --exit-code --cached init &&
 387         test $commit = $(git ls-files --stage |
 388                 sed -n "s/^160000 \([^ ]*\).*/\1/p")
 389
 390 '
 391
 392 test_expect_success 'ls-files gracefully handles trailing slash' '
 393
 394         test "init" = "$(git ls-files init/)"
 395
 396 '
 397
 398 test_expect_success 'moving to a commit without submodule does not leave empty dir' '
 399         rm -rf init &&
 400         mkdir init &&
 401         git reset --hard &&
 402         git checkout initial &&
 403         test ! -d init &&
 404         git checkout second
 405 '
 406
 407 test_expect_success 'submodule <invalid-path> warns' '
 408
 409         git submodule no-such-submodule 2> output.err &&
 410         grep "^error: .*no-such-submodule" output.err
 411
 412 '
 413
 414 test_expect_success 'add submodules without specifying an explicit path' '
 415         mkdir repo &&
 416         (
 417                 cd repo &&
 418                 git init &&
 419                 echo r >r &&
 420                 git add r &&
 421                 git commit -m "repo commit 1"
 422         ) &&
 423         git clone --bare repo/ bare.git &&
 424         cd addtest &&
 425         git submodule add "$submodurl/repo" &&
 426         git config -f .gitmodules submodule.repo.path repo &&
 427         git submodule add "$submodurl/bare.git" &&
 428         git config -f .gitmodules submodule.bare.path bare
 429 '
 430
 431 test_done