t/t5703-upload-pack-ref-in-want.sh

   1 #!/bin/sh
   2
   3 test_description='upload-pack ref-in-want'
   4
   5 . ./test-lib.sh
   6
   7 get_actual_refs () {
   8         sed -n -e '/wanted-refs/,/0001/{
   9                 /wanted-refs/d
  10                 /0001/d
  11                 p
  12                 }' <out | test-tool pkt-line unpack >actual_refs
  13 }
  14
  15 get_actual_commits () {
  16         test-tool pkt-line unpack-sideband <out >o.pack &&
  17         git index-pack o.pack &&
  18         git verify-pack -v o.idx >objs &&
  19         grep commit objs | cut -d" " -f1 | sort >actual_commits
  20 }
  21
  22 check_output () {
  23         get_actual_refs &&
  24         test_cmp expected_refs actual_refs &&
  25         get_actual_commits &&
  26         sort expected_commits >sorted_commits &&
  27         test_cmp sorted_commits actual_commits
  28 }
  29
  30 # c(o/foo) d(o/bar)
  31 #        \ /
  32 #         b   e(baz)  f(master)
  33 #          \__  |  __/
  34 #             \ | /
  35 #               a
  36 test_expect_success 'setup repository' '
  37         test_oid_init &&
  38         test_commit a &&
  39         git checkout -b o/foo &&
  40         test_commit b &&
  41         test_commit c &&
  42         git checkout -b o/bar b &&
  43         test_commit d &&
  44         git checkout -b baz a &&
  45         test_commit e &&
  46         git checkout master &&
  47         test_commit f
  48 '
  49
  50 test_expect_success 'config controls ref-in-want advertisement' '
  51         test-tool serve-v2 --advertise-capabilities >out &&
  52         perl -ne "/ref-in-want/ and print" out >out.filter &&
  53         test_must_be_empty out.filter &&
  54
  55         git config uploadpack.allowRefInWant false &&
  56         test-tool serve-v2 --advertise-capabilities >out &&
  57         perl -ne "/ref-in-want/ and print" out >out.filter &&
  58         test_must_be_empty out.filter &&
  59
  60         git config uploadpack.allowRefInWant true &&
  61         test-tool serve-v2 --advertise-capabilities >out &&
  62         perl -ne "/ref-in-want/ and print" out >out.filter &&
  63         test_file_not_empty out.filter
  64 '
  65
  66 test_expect_success 'invalid want-ref line' '
  67         test-tool pkt-line pack >in <<-EOF &&
  68         command=fetch
  69         0001
  70         no-progress
  71         want-ref refs/heads/non-existent
  72         done
  73         0000
  74         EOF
  75
  76         test_must_fail test-tool serve-v2 --stateless-rpc 2>out <in &&
  77         grep "unknown ref" out
  78 '
  79
  80 test_expect_success 'basic want-ref' '
  81         oid=$(git rev-parse f) &&
  82         cat >expected_refs <<-EOF &&
  83         $oid refs/heads/master
  84         EOF
  85         git rev-parse f >expected_commits &&
  86
  87         oid=$(git rev-parse a) &&
  88         test-tool pkt-line pack >in <<-EOF &&
  89         command=fetch
  90         0001
  91         no-progress
  92         want-ref refs/heads/master
  93         have $oid
  94         done
  95         0000
  96         EOF
  97
  98         test-tool serve-v2 --stateless-rpc >out <in &&
  99         check_output
 100 '
 101
 102 test_expect_success 'multiple want-ref lines' '
 103         oid_c=$(git rev-parse c) &&
 104         oid_d=$(git rev-parse d) &&
 105         cat >expected_refs <<-EOF &&
 106         $oid_c refs/heads/o/foo
 107         $oid_d refs/heads/o/bar
 108         EOF
 109         git rev-parse c d >expected_commits &&
 110
 111         oid=$(git rev-parse b) &&
 112         test-tool pkt-line pack >in <<-EOF &&
 113         command=fetch
 114         0001
 115         no-progress
 116         want-ref refs/heads/o/foo
 117         want-ref refs/heads/o/bar
 118         have $oid
 119         done
 120         0000
 121         EOF
 122
 123         test-tool serve-v2 --stateless-rpc >out <in &&
 124         check_output
 125 '
 126
 127 test_expect_success 'mix want and want-ref' '
 128         oid=$(git rev-parse f) &&
 129         cat >expected_refs <<-EOF &&
 130         $oid refs/heads/master
 131         EOF
 132         git rev-parse e f >expected_commits &&
 133
 134         test-tool pkt-line pack >in <<-EOF &&
 135         command=fetch
 136         0001
 137         no-progress
 138         want-ref refs/heads/master
 139         want $(git rev-parse e)
 140         have $(git rev-parse a)
 141         done
 142         0000
 143         EOF
 144
 145         test-tool serve-v2 --stateless-rpc >out <in &&
 146         check_output
 147 '
 148
 149 test_expect_success 'want-ref with ref we already have commit for' '
 150         oid=$(git rev-parse c) &&
 151         cat >expected_refs <<-EOF &&
 152         $oid refs/heads/o/foo
 153         EOF
 154         >expected_commits &&
 155
 156         oid=$(git rev-parse c) &&
 157         test-tool pkt-line pack >in <<-EOF &&
 158         command=fetch
 159         0001
 160         no-progress
 161         want-ref refs/heads/o/foo
 162         have $oid
 163         done
 164         0000
 165         EOF
 166
 167         test-tool serve-v2 --stateless-rpc >out <in &&
 168         check_output
 169 '
 170
 171 REPO="$(pwd)/repo"
 172 LOCAL_PRISTINE="$(pwd)/local_pristine"
 173
 174 # $REPO
 175 # c(o/foo) d(o/bar)
 176 #        \ /
 177 #         b   e(baz)  f(master)
 178 #          \__  |  __/
 179 #             \ | /
 180 #               a
 181 #
 182 # $LOCAL_PRISTINE
 183 #               s32(side)
 184 #               |
 185 #               .
 186 #               .
 187 #               |
 188 #               a(master)
 189 test_expect_success 'setup repos for fetching with ref-in-want tests' '
 190         (
 191                 git init "$REPO" &&
 192                 cd "$REPO" &&
 193                 test_commit a &&
 194
 195                 # Local repo with many commits (so that negotiation will take
 196                 # more than 1 request/response pair)
 197                 rm -rf "$LOCAL_PRISTINE" &&
 198                 git clone "file://$REPO" "$LOCAL_PRISTINE" &&
 199                 cd "$LOCAL_PRISTINE" &&
 200                 git checkout -b side &&
 201                 test_commit_bulk --id=s 33 &&
 202
 203                 # Add novel commits to upstream
 204                 git checkout master &&
 205                 cd "$REPO" &&
 206                 git checkout -b o/foo &&
 207                 test_commit b &&
 208                 test_commit c &&
 209                 git checkout -b o/bar b &&
 210                 test_commit d &&
 211                 git checkout -b baz a &&
 212                 test_commit e &&
 213                 git checkout master &&
 214                 test_commit f
 215         ) &&
 216         git -C "$REPO" config uploadpack.allowRefInWant true &&
 217         git -C "$LOCAL_PRISTINE" config protocol.version 2
 218 '
 219
 220 test_expect_success 'fetching with exact OID' '
 221         test_when_finished "rm -f log" &&
 222
 223         rm -rf local &&
 224         cp -r "$LOCAL_PRISTINE" local &&
 225         oid=$(git -C "$REPO" rev-parse d) &&
 226         GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin \
 227                 "$oid":refs/heads/actual &&
 228
 229         git -C "$REPO" rev-parse "d" >expected &&
 230         git -C local rev-parse refs/heads/actual >actual &&
 231         test_cmp expected actual &&
 232         grep "want $oid" log
 233 '
 234
 235 test_expect_success 'fetching multiple refs' '
 236         test_when_finished "rm -f log" &&
 237
 238         rm -rf local &&
 239         cp -r "$LOCAL_PRISTINE" local &&
 240         GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin master baz &&
 241
 242         git -C "$REPO" rev-parse "master" "baz" >expected &&
 243         git -C local rev-parse refs/remotes/origin/master refs/remotes/origin/baz >actual &&
 244         test_cmp expected actual &&
 245         grep "want-ref refs/heads/master" log &&
 246         grep "want-ref refs/heads/baz" log
 247 '
 248
 249 test_expect_success 'fetching ref and exact OID' '
 250         test_when_finished "rm -f log" &&
 251
 252         rm -rf local &&
 253         cp -r "$LOCAL_PRISTINE" local &&
 254         oid=$(git -C "$REPO" rev-parse b) &&
 255         GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin \
 256                 master "$oid":refs/heads/actual &&
 257
 258         git -C "$REPO" rev-parse "master" "b" >expected &&
 259         git -C local rev-parse refs/remotes/origin/master refs/heads/actual >actual &&
 260         test_cmp expected actual &&
 261         grep "want $oid" log &&
 262         grep "want-ref refs/heads/master" log
 263 '
 264
 265 test_expect_success 'fetching with wildcard that does not match any refs' '
 266         test_when_finished "rm -f log" &&
 267
 268         rm -rf local &&
 269         cp -r "$LOCAL_PRISTINE" local &&
 270         git -C local fetch origin refs/heads/none*:refs/heads/* >out &&
 271         test_must_be_empty out
 272 '
 273
 274 test_expect_success 'fetching with wildcard that matches multiple refs' '
 275         test_when_finished "rm -f log" &&
 276
 277         rm -rf local &&
 278         cp -r "$LOCAL_PRISTINE" local &&
 279         GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin refs/heads/o*:refs/heads/o* &&
 280
 281         git -C "$REPO" rev-parse "o/foo" "o/bar" >expected &&
 282         git -C local rev-parse "o/foo" "o/bar" >actual &&
 283         test_cmp expected actual &&
 284         grep "want-ref refs/heads/o/foo" log &&
 285         grep "want-ref refs/heads/o/bar" log
 286 '
 287
 288 . "$TEST_DIRECTORY"/lib-httpd.sh
 289 start_httpd
 290
 291 REPO="$HTTPD_DOCUMENT_ROOT_PATH/repo"
 292 LOCAL_PRISTINE="$(pwd)/local_pristine"
 293
 294 test_expect_success 'setup repos for change-while-negotiating test' '
 295         (
 296                 git init "$REPO" &&
 297                 cd "$REPO" &&
 298                 >.git/git-daemon-export-ok &&
 299                 test_commit m1 &&
 300                 git tag -d m1 &&
 301
 302                 # Local repo with many commits (so that negotiation will take
 303                 # more than 1 request/response pair)
 304                 rm -rf "$LOCAL_PRISTINE" &&
 305                 git clone "http://127.0.0.1:$LIB_HTTPD_PORT/smart/repo" "$LOCAL_PRISTINE" &&
 306                 cd "$LOCAL_PRISTINE" &&
 307                 git checkout -b side &&
 308                 test_commit_bulk --id=s 33 &&
 309
 310                 # Add novel commits to upstream
 311                 git checkout master &&
 312                 cd "$REPO" &&
 313                 test_commit m2 &&
 314                 test_commit m3 &&
 315                 git tag -d m2 m3
 316         ) &&
 317         git -C "$LOCAL_PRISTINE" remote set-url origin "http://127.0.0.1:$LIB_HTTPD_PORT/one_time_perl/repo" &&
 318         git -C "$LOCAL_PRISTINE" config protocol.version 2
 319 '
 320
 321 inconsistency () {
 322         # Simulate that the server initially reports $2 as the ref
 323         # corresponding to $1, and after that, $1 as the ref corresponding to
 324         # $1. This corresponds to the real-life situation where the server's
 325         # repository appears to change during negotiation, for example, when
 326         # different servers in a load-balancing arrangement serve (stateless)
 327         # RPCs during a single negotiation.
 328         oid1=$(git -C "$REPO" rev-parse $1) &&
 329         oid2=$(git -C "$REPO" rev-parse $2) &&
 330         echo "s/$oid1/$oid2/" >"$HTTPD_ROOT_PATH/one-time-perl"
 331 }
 332
 333 test_expect_success 'server is initially ahead - no ref in want' '
 334         git -C "$REPO" config uploadpack.allowRefInWant false &&
 335         rm -rf local &&
 336         cp -r "$LOCAL_PRISTINE" local &&
 337         inconsistency master $(test_oid numeric) &&
 338         test_must_fail git -C local fetch 2>err &&
 339         test_i18ngrep "fatal: remote error: upload-pack: not our ref" err
 340 '
 341
 342 test_expect_success 'server is initially ahead - ref in want' '
 343         git -C "$REPO" config uploadpack.allowRefInWant true &&
 344         rm -rf local &&
 345         cp -r "$LOCAL_PRISTINE" local &&
 346         inconsistency master $(test_oid numeric) &&
 347         git -C local fetch &&
 348
 349         git -C "$REPO" rev-parse --verify master >expected &&
 350         git -C local rev-parse --verify refs/remotes/origin/master >actual &&
 351         test_cmp expected actual
 352 '
 353
 354 test_expect_success 'server is initially behind - no ref in want' '
 355         git -C "$REPO" config uploadpack.allowRefInWant false &&
 356         rm -rf local &&
 357         cp -r "$LOCAL_PRISTINE" local &&
 358         inconsistency master "master^" &&
 359         git -C local fetch &&
 360
 361         git -C "$REPO" rev-parse --verify "master^" >expected &&
 362         git -C local rev-parse --verify refs/remotes/origin/master >actual &&
 363         test_cmp expected actual
 364 '
 365
 366 test_expect_success 'server is initially behind - ref in want' '
 367         git -C "$REPO" config uploadpack.allowRefInWant true &&
 368         rm -rf local &&
 369         cp -r "$LOCAL_PRISTINE" local &&
 370         inconsistency master "master^" &&
 371         git -C local fetch &&
 372
 373         git -C "$REPO" rev-parse --verify "master" >expected &&
 374         git -C local rev-parse --verify refs/remotes/origin/master >actual &&
 375         test_cmp expected actual
 376 '
 377
 378 test_expect_success 'server loses a ref - ref in want' '
 379         git -C "$REPO" config uploadpack.allowRefInWant true &&
 380         rm -rf local &&
 381         cp -r "$LOCAL_PRISTINE" local &&
 382         echo "s/master/raster/" >"$HTTPD_ROOT_PATH/one-time-perl" &&
 383         test_must_fail git -C local fetch 2>err &&
 384
 385         test_i18ngrep "fatal: remote error: unknown ref refs/heads/raster" err
 386 '
 387
 388 # DO NOT add non-httpd-specific tests here, because the last part of this
 389 # test script is only executed when httpd is available and enabled.
 390
 391 test_done