t/t5526-fetch-submodules.sh

   1 #!/bin/sh
   2 # Copyright (c) 2010, Jens Lehmann
   3
   4 test_description='Recursive "git fetch" for submodules'
   5
   6 . ./test-lib.sh
   7
   8 pwd=$(pwd)
   9
  10 add_upstream_commit() {
  11         (
  12                 cd submodule &&
  13                 head1=$(git rev-parse --short HEAD) &&
  14                 echo new >> subfile &&
  15                 test_tick &&
  16                 git add subfile &&
  17                 git commit -m new subfile &&
  18                 head2=$(git rev-parse --short HEAD) &&
  19                 echo "From $pwd/submodule" > ../expect.err &&
  20                 echo "   $head1..$head2  master     -> origin/master" >> ../expect.err
  21         ) &&
  22         (
  23                 cd deepsubmodule &&
  24                 head1=$(git rev-parse --short HEAD) &&
  25                 echo new >> deepsubfile &&
  26                 test_tick &&
  27                 git add deepsubfile &&
  28                 git commit -m new deepsubfile &&
  29                 head2=$(git rev-parse --short HEAD) &&
  30                 echo "From $pwd/deepsubmodule" >> ../expect.err &&
  31                 echo "   $head1..$head2  master     -> origin/master" >> ../expect.err
  32         )
  33 }
  34
  35 test_expect_success setup '
  36         mkdir deepsubmodule &&
  37         (
  38                 cd deepsubmodule &&
  39                 git init &&
  40                 echo deepsubcontent > deepsubfile &&
  41                 git add deepsubfile &&
  42                 git commit -m new deepsubfile
  43         ) &&
  44         mkdir submodule &&
  45         (
  46                 cd submodule &&
  47                 git init &&
  48                 echo subcontent > subfile &&
  49                 git add subfile &&
  50                 git submodule add "$pwd/deepsubmodule" subdir/deepsubmodule &&
  51                 git commit -a -m new
  52         ) &&
  53         git submodule add "$pwd/submodule" submodule &&
  54         git commit -am initial &&
  55         git clone . downstream &&
  56         (
  57                 cd downstream &&
  58                 git submodule update --init --recursive
  59         ) &&
  60         echo "Fetching submodule submodule" > expect.out &&
  61         echo "Fetching submodule submodule/subdir/deepsubmodule" >> expect.out
  62 '
  63
  64 test_expect_success "fetch --recurse-submodules recurses into submodules" '
  65         add_upstream_commit &&
  66         (
  67                 cd downstream &&
  68                 git fetch --recurse-submodules >../actual.out 2>../actual.err
  69         ) &&
  70         test_i18ncmp expect.out actual.out &&
  71         test_i18ncmp expect.err actual.err
  72 '
  73
  74 test_expect_success "fetch alone only fetches superproject" '
  75         add_upstream_commit &&
  76         (
  77                 cd downstream &&
  78                 git fetch >../actual.out 2>../actual.err
  79         ) &&
  80         ! test -s actual.out &&
  81         ! test -s actual.err
  82 '
  83
  84 test_expect_success "fetch --no-recurse-submodules only fetches superproject" '
  85         (
  86                 cd downstream &&
  87                 git fetch --no-recurse-submodules >../actual.out 2>../actual.err
  88         ) &&
  89         ! test -s actual.out &&
  90         ! test -s actual.err
  91 '
  92
  93 test_expect_success "using fetchRecurseSubmodules=true in .gitmodules recurses into submodules" '
  94         (
  95                 cd downstream &&
  96                 git config -f .gitmodules submodule.submodule.fetchRecurseSubmodules true &&
  97                 git fetch >../actual.out 2>../actual.err
  98         ) &&
  99         test_i18ncmp expect.out actual.out &&
 100         test_i18ncmp expect.err actual.err
 101 '
 102
 103 test_expect_success "--no-recurse-submodules overrides .gitmodules config" '
 104         add_upstream_commit &&
 105         (
 106                 cd downstream &&
 107                 git fetch --no-recurse-submodules >../actual.out 2>../actual.err
 108         ) &&
 109         ! test -s actual.out &&
 110         ! test -s actual.err
 111 '
 112
 113 test_expect_success "using fetchRecurseSubmodules=false in .git/config overrides setting in .gitmodules" '
 114         (
 115                 cd downstream &&
 116                 git config submodule.submodule.fetchRecurseSubmodules false &&
 117                 git fetch >../actual.out 2>../actual.err
 118         ) &&
 119         ! test -s actual.out &&
 120         ! test -s actual.err
 121 '
 122
 123 test_expect_success "--recurse-submodules overrides fetchRecurseSubmodules setting from .git/config" '
 124         (
 125                 cd downstream &&
 126                 git fetch --recurse-submodules >../actual.out 2>../actual.err &&
 127                 git config --unset -f .gitmodules submodule.submodule.fetchRecurseSubmodules &&
 128                 git config --unset submodule.submodule.fetchRecurseSubmodules
 129         ) &&
 130         test_i18ncmp expect.out actual.out &&
 131         test_i18ncmp expect.err actual.err
 132 '
 133
 134 test_expect_success "--quiet propagates to submodules" '
 135         (
 136                 cd downstream &&
 137                 git fetch --recurse-submodules --quiet >../actual.out 2>../actual.err
 138         ) &&
 139         ! test -s actual.out &&
 140         ! test -s actual.err
 141 '
 142
 143 test_expect_success "--dry-run propagates to submodules" '
 144         add_upstream_commit &&
 145         (
 146                 cd downstream &&
 147                 git fetch --recurse-submodules --dry-run >../actual.out 2>../actual.err
 148         ) &&
 149         test_i18ncmp expect.out actual.out &&
 150         test_i18ncmp expect.err actual.err
 151 '
 152
 153 test_expect_success "Without --dry-run propagates to submodules" '
 154         (
 155                 cd downstream &&
 156                 git fetch --recurse-submodules >../actual.out 2>../actual.err
 157         ) &&
 158         test_i18ncmp expect.out actual.out &&
 159         test_i18ncmp expect.err actual.err
 160 '
 161
 162 test_expect_success "recurseSubmodules=true propagates into submodules" '
 163         add_upstream_commit &&
 164         (
 165                 cd downstream &&
 166                 git config fetch.recurseSubmodules true
 167                 git fetch >../actual.out 2>../actual.err
 168         ) &&
 169         test_i18ncmp expect.out actual.out &&
 170         test_i18ncmp expect.err actual.err
 171 '
 172
 173 test_expect_success "--recurse-submodules overrides config in submodule" '
 174         add_upstream_commit &&
 175         (
 176                 cd downstream &&
 177                 (
 178                         cd submodule &&
 179                         git config fetch.recurseSubmodules false
 180                 ) &&
 181                 git fetch --recurse-submodules >../actual.out 2>../actual.err
 182         ) &&
 183         test_i18ncmp expect.out actual.out &&
 184         test_i18ncmp expect.err actual.err
 185 '
 186
 187 test_expect_success "--no-recurse-submodules overrides config setting" '
 188         add_upstream_commit &&
 189         (
 190                 cd downstream &&
 191                 git config fetch.recurseSubmodules true
 192                 git fetch --no-recurse-submodules >../actual.out 2>../actual.err
 193         ) &&
 194         ! test -s actual.out &&
 195         ! test -s actual.err
 196 '
 197
 198 test_expect_success "Recursion doesn't happen when no new commits are fetched in the superproject" '
 199         (
 200                 cd downstream &&
 201                 (
 202                         cd submodule &&
 203                         git config --unset fetch.recurseSubmodules
 204                 ) &&
 205                 git config --unset fetch.recurseSubmodules
 206                 git fetch >../actual.out 2>../actual.err
 207         ) &&
 208         ! test -s actual.out &&
 209         ! test -s actual.err
 210 '
 211
 212 test_expect_success "Recursion stops when no new submodule commits are fetched" '
 213         head1=$(git rev-parse --short HEAD) &&
 214         git add submodule &&
 215         git commit -m "new submodule" &&
 216         head2=$(git rev-parse --short HEAD) &&
 217         echo "Fetching submodule submodule" > expect.out.sub &&
 218         echo "From $pwd/." > expect.err.sub &&
 219         echo "   $head1..$head2  master     -> origin/master" >> expect.err.sub
 220         head -2 expect.err >> expect.err.sub &&
 221         (
 222                 cd downstream &&
 223                 git fetch >../actual.out 2>../actual.err
 224         ) &&
 225         test_i18ncmp expect.err.sub actual.err &&
 226         test_i18ncmp expect.out.sub actual.out
 227 '
 228
 229 test_expect_success "Recursion doesn't happen when new superproject commits don't change any submodules" '
 230         add_upstream_commit &&
 231         head1=$(git rev-parse --short HEAD) &&
 232         echo a > file &&
 233         git add file &&
 234         git commit -m "new file" &&
 235         head2=$(git rev-parse --short HEAD) &&
 236         echo "From $pwd/." > expect.err.file &&
 237         echo "   $head1..$head2  master     -> origin/master" >> expect.err.file &&
 238         (
 239                 cd downstream &&
 240                 git fetch >../actual.out 2>../actual.err
 241         ) &&
 242         ! test -s actual.out &&
 243         test_i18ncmp expect.err.file actual.err
 244 '
 245
 246 test_expect_success "Recursion picks up config in submodule" '
 247         (
 248                 cd downstream &&
 249                 git fetch --recurse-submodules &&
 250                 (
 251                         cd submodule &&
 252                         git config fetch.recurseSubmodules true
 253                 )
 254         ) &&
 255         add_upstream_commit &&
 256         head1=$(git rev-parse --short HEAD) &&
 257         git add submodule &&
 258         git commit -m "new submodule" &&
 259         head2=$(git rev-parse --short HEAD) &&
 260         echo "From $pwd/." > expect.err.sub &&
 261         echo "   $head1..$head2  master     -> origin/master" >> expect.err.sub &&
 262         cat expect.err >> expect.err.sub &&
 263         (
 264                 cd downstream &&
 265                 git fetch >../actual.out 2>../actual.err &&
 266                 (
 267                         cd submodule &&
 268                         git config --unset fetch.recurseSubmodules
 269                 )
 270         ) &&
 271         test_i18ncmp expect.err.sub actual.err &&
 272         test_i18ncmp expect.out actual.out
 273 '
 274
 275 test_expect_success "Recursion picks up all submodules when necessary" '
 276         add_upstream_commit &&
 277         (
 278                 cd submodule &&
 279                 (
 280                         cd subdir/deepsubmodule &&
 281                         git fetch &&
 282                         git checkout -q FETCH_HEAD
 283                 ) &&
 284                 head1=$(git rev-parse --short HEAD^) &&
 285                 git add subdir/deepsubmodule &&
 286                 git commit -m "new deepsubmodule"
 287                 head2=$(git rev-parse --short HEAD) &&
 288                 echo "From $pwd/submodule" > ../expect.err.sub &&
 289                 echo "   $head1..$head2  master     -> origin/master" >> ../expect.err.sub
 290         ) &&
 291         head1=$(git rev-parse --short HEAD) &&
 292         git add submodule &&
 293         git commit -m "new submodule" &&
 294         head2=$(git rev-parse --short HEAD) &&
 295         echo "From $pwd/." > expect.err.2 &&
 296         echo "   $head1..$head2  master     -> origin/master" >> expect.err.2 &&
 297         cat expect.err.sub >> expect.err.2 &&
 298         tail -2 expect.err >> expect.err.2 &&
 299         (
 300                 cd downstream &&
 301                 git fetch >../actual.out 2>../actual.err
 302         ) &&
 303         test_i18ncmp expect.err.2 actual.err &&
 304         test_i18ncmp expect.out actual.out
 305 '
 306
 307 test_expect_success "'--recurse-submodules=on-demand' doesn't recurse when no new commits are fetched in the superproject (and ignores config)" '
 308         add_upstream_commit &&
 309         (
 310                 cd submodule &&
 311                 (
 312                         cd subdir/deepsubmodule &&
 313                         git fetch &&
 314                         git checkout -q FETCH_HEAD
 315                 ) &&
 316                 head1=$(git rev-parse --short HEAD^) &&
 317                 git add subdir/deepsubmodule &&
 318                 git commit -m "new deepsubmodule"
 319                 head2=$(git rev-parse --short HEAD) &&
 320                 echo "From $pwd/submodule" > ../expect.err.sub &&
 321                 echo "   $head1..$head2  master     -> origin/master" >> ../expect.err.sub
 322         ) &&
 323         (
 324                 cd downstream &&
 325                 git config fetch.recurseSubmodules true &&
 326                 git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err &&
 327                 git config --unset fetch.recurseSubmodules
 328         ) &&
 329         ! test -s actual.out &&
 330         ! test -s actual.err
 331 '
 332
 333 test_expect_success "'--recurse-submodules=on-demand' recurses as deep as necessary (and ignores config)" '
 334         head1=$(git rev-parse --short HEAD) &&
 335         git add submodule &&
 336         git commit -m "new submodule" &&
 337         head2=$(git rev-parse --short HEAD) &&
 338         tail -2 expect.err > expect.err.deepsub &&
 339         echo "From $pwd/." > expect.err &&
 340         echo "   $head1..$head2  master     -> origin/master" >> expect.err
 341         cat expect.err.sub >> expect.err &&
 342         cat expect.err.deepsub >> expect.err &&
 343         (
 344                 cd downstream &&
 345                 git config fetch.recurseSubmodules false &&
 346                 (
 347                         cd submodule &&
 348                         git config -f .gitmodules submodule.subdir/deepsubmodule.fetchRecursive false
 349                 ) &&
 350                 git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err &&
 351                 git config --unset fetch.recurseSubmodules
 352                 (
 353                         cd submodule &&
 354                         git config --unset -f .gitmodules submodule.subdir/deepsubmodule.fetchRecursive
 355                 )
 356         ) &&
 357         test_i18ncmp expect.out actual.out &&
 358         test_i18ncmp expect.err actual.err
 359 '
 360
 361 test_expect_success "'--recurse-submodules=on-demand' stops when no new submodule commits are found in the superproject (and ignores config)" '
 362         add_upstream_commit &&
 363         head1=$(git rev-parse --short HEAD) &&
 364         echo a >> file &&
 365         git add file &&
 366         git commit -m "new file" &&
 367         head2=$(git rev-parse --short HEAD) &&
 368         echo "From $pwd/." > expect.err.file &&
 369         echo "   $head1..$head2  master     -> origin/master" >> expect.err.file &&
 370         (
 371                 cd downstream &&
 372                 git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err
 373         ) &&
 374         ! test -s actual.out &&
 375         test_i18ncmp expect.err.file actual.err
 376 '
 377
 378 test_expect_success "'fetch.recurseSubmodules=on-demand' overrides global config" '
 379         (
 380                 cd downstream &&
 381                 git fetch --recurse-submodules
 382         ) &&
 383         add_upstream_commit &&
 384         git config --global fetch.recurseSubmodules false &&
 385         head1=$(git rev-parse --short HEAD) &&
 386         git add submodule &&
 387         git commit -m "new submodule" &&
 388         head2=$(git rev-parse --short HEAD) &&
 389         echo "From $pwd/." > expect.err.2 &&
 390         echo "   $head1..$head2  master     -> origin/master" >> expect.err.2
 391         head -2 expect.err >> expect.err.2 &&
 392         (
 393                 cd downstream &&
 394                 git config fetch.recurseSubmodules on-demand &&
 395                 git fetch >../actual.out 2>../actual.err
 396         ) &&
 397         git config --global --unset fetch.recurseSubmodules &&
 398         (
 399                 cd downstream &&
 400                 git config --unset fetch.recurseSubmodules
 401         ) &&
 402         test_i18ncmp expect.out.sub actual.out &&
 403         test_i18ncmp expect.err.2 actual.err
 404 '
 405
 406 test_expect_success "'submodule.<sub>.fetchRecurseSubmodules=on-demand' overrides fetch.recurseSubmodules" '
 407         (
 408                 cd downstream &&
 409                 git fetch --recurse-submodules
 410         ) &&
 411         add_upstream_commit &&
 412         git config fetch.recurseSubmodules false &&
 413         head1=$(git rev-parse --short HEAD) &&
 414         git add submodule &&
 415         git commit -m "new submodule" &&
 416         head2=$(git rev-parse --short HEAD) &&
 417         echo "From $pwd/." > expect.err.2 &&
 418         echo "   $head1..$head2  master     -> origin/master" >> expect.err.2
 419         head -2 expect.err >> expect.err.2 &&
 420         (
 421                 cd downstream &&
 422                 git config submodule.submodule.fetchRecurseSubmodules on-demand &&
 423                 git fetch >../actual.out 2>../actual.err
 424         ) &&
 425         git config --unset fetch.recurseSubmodules &&
 426         (
 427                 cd downstream &&
 428                 git config --unset submodule.submodule.fetchRecurseSubmodules
 429         ) &&
 430         test_i18ncmp expect.out.sub actual.out &&
 431         test_i18ncmp expect.err.2 actual.err
 432 '
 433
 434 test_expect_success "don't fetch submodule when newly recorded commits are already present" '
 435         (
 436                 cd submodule &&
 437                 git checkout -q HEAD^^
 438         ) &&
 439         head1=$(git rev-parse --short HEAD) &&
 440         git add submodule &&
 441         git commit -m "submodule rewound" &&
 442         head2=$(git rev-parse --short HEAD) &&
 443         echo "From $pwd/." > expect.err &&
 444         echo "   $head1..$head2  master     -> origin/master" >> expect.err &&
 445         (
 446                 cd downstream &&
 447                 git fetch >../actual.out 2>../actual.err
 448         ) &&
 449         ! test -s actual.out &&
 450         test_i18ncmp expect.err actual.err
 451 '
 452
 453 test_done