t/t4067-diff-partial-clone.sh

   1 #!/bin/sh
   2
   3 test_description='behavior of diff when reading objects in a partial clone'
   4
   5 . ./test-lib.sh
   6
   7 test_expect_success 'git show batches blobs' '
   8         test_when_finished "rm -rf server client trace" &&
   9
  10         test_create_repo server &&
  11         echo a >server/a &&
  12         echo b >server/b &&
  13         git -C server add a b &&
  14         git -C server commit -m x &&
  15
  16         test_config -C server uploadpack.allowfilter 1 &&
  17         test_config -C server uploadpack.allowanysha1inwant 1 &&
  18         git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
  19
  20         # Ensure that there is exactly 1 negotiation by checking that there is
  21         # only 1 "done" line sent. ("done" marks the end of negotiation.)
  22         GIT_TRACE_PACKET="$(pwd)/trace" git -C client show HEAD &&
  23         grep "git> done" trace >done_lines &&
  24         test_line_count = 1 done_lines
  25 '
  26
  27 test_expect_success 'diff batches blobs' '
  28         test_when_finished "rm -rf server client trace" &&
  29
  30         test_create_repo server &&
  31         echo a >server/a &&
  32         echo b >server/b &&
  33         git -C server add a b &&
  34         git -C server commit -m x &&
  35         echo c >server/c &&
  36         echo d >server/d &&
  37         git -C server add c d &&
  38         git -C server commit -m x &&
  39
  40         test_config -C server uploadpack.allowfilter 1 &&
  41         test_config -C server uploadpack.allowanysha1inwant 1 &&
  42         git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
  43
  44         # Ensure that there is exactly 1 negotiation by checking that there is
  45         # only 1 "done" line sent. ("done" marks the end of negotiation.)
  46         GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff HEAD^ HEAD &&
  47         grep "git> done" trace >done_lines &&
  48         test_line_count = 1 done_lines
  49 '
  50
  51 test_expect_success 'diff skips same-OID blobs' '
  52         test_when_finished "rm -rf server client trace" &&
  53
  54         test_create_repo server &&
  55         echo a >server/a &&
  56         echo b >server/b &&
  57         git -C server add a b &&
  58         git -C server commit -m x &&
  59         echo another-a >server/a &&
  60         git -C server add a &&
  61         git -C server commit -m x &&
  62
  63         test_config -C server uploadpack.allowfilter 1 &&
  64         test_config -C server uploadpack.allowanysha1inwant 1 &&
  65         git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
  66
  67         echo a | git hash-object --stdin >hash-old-a &&
  68         echo another-a | git hash-object --stdin >hash-new-a &&
  69         echo b | git hash-object --stdin >hash-b &&
  70
  71         # Ensure that only a and another-a are fetched.
  72         GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff HEAD^ HEAD &&
  73         grep "want $(cat hash-old-a)" trace &&
  74         grep "want $(cat hash-new-a)" trace &&
  75         ! grep "want $(cat hash-b)" trace
  76 '
  77
  78 test_expect_success 'diff with rename detection batches blobs' '
  79         test_when_finished "rm -rf server client trace" &&
  80
  81         test_create_repo server &&
  82         echo a >server/a &&
  83         printf "b\nb\nb\nb\nb\n" >server/b &&
  84         git -C server add a b &&
  85         git -C server commit -m x &&
  86         rm server/b &&
  87         printf "b\nb\nb\nb\nbX\n" >server/c &&
  88         git -C server add c &&
  89         git -C server commit -a -m x &&
  90
  91         test_config -C server uploadpack.allowfilter 1 &&
  92         test_config -C server uploadpack.allowanysha1inwant 1 &&
  93         git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
  94
  95         # Ensure that there is exactly 1 negotiation by checking that there is
  96         # only 1 "done" line sent. ("done" marks the end of negotiation.)
  97         GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff -M HEAD^ HEAD >out &&
  98         grep "similarity index" out &&
  99         grep "git> done" trace >done_lines &&
 100         test_line_count = 1 done_lines
 101 '
 102
 103 test_done