t/t5519-push-alternates.sh

   1 #!/bin/sh
   2
   3 test_description='push to a repository that borrows from elsewhere'
   4
   5 . ./test-lib.sh
   6
   7 test_expect_success setup '
   8         mkdir alice-pub &&
   9         (
  10                 cd alice-pub &&
  11                 GIT_DIR=. git init
  12         ) &&
  13         mkdir alice-work &&
  14         (
  15                 cd alice-work &&
  16                 git init &&
  17                 >file &&
  18                 git add . &&
  19                 git commit -m initial &&
  20                 git push ../alice-pub master
  21         ) &&
  22
  23         # Project Bob is a fork of project Alice
  24         mkdir bob-pub &&
  25         (
  26                 cd bob-pub &&
  27                 GIT_DIR=. git init &&
  28                 mkdir -p objects/info &&
  29                 echo ../../alice-pub/objects >objects/info/alternates
  30         ) &&
  31         git clone alice-pub bob-work &&
  32         (
  33                 cd bob-work &&
  34                 git push ../bob-pub master
  35         )
  36 '
  37
  38 test_expect_success 'alice works and pushes' '
  39         (
  40                 cd alice-work &&
  41                 echo more >file &&
  42                 git commit -a -m second &&
  43                 git push ../alice-pub
  44         )
  45 '
  46
  47 test_expect_success 'bob fetches from alice, works and pushes' '
  48         (
  49                 # Bob acquires what Alice did in his work tree first.
  50                 # Even though these objects are not directly in
  51                 # the public repository of Bob, this push does not
  52                 # need to send the commit Bob received from Alice
  53                 # to his public repository, as all the object Alice
  54                 # has at her public repository are available to it
  55                 # via its alternates.
  56                 cd bob-work &&
  57                 git pull ../alice-pub master &&
  58                 echo more bob >file &&
  59                 git commit -a -m third &&
  60                 git push ../bob-pub
  61         ) &&
  62
  63         # Check that the second commit by Alice is not sent
  64         # to ../bob-pub
  65         (
  66                 cd bob-pub &&
  67                 second=$(git rev-parse HEAD^) &&
  68                 rm -f objects/info/alternates &&
  69                 test_must_fail git cat-file -t $second &&
  70                 echo ../../alice-pub/objects >objects/info/alternates
  71         )
  72 '
  73
  74 test_expect_success 'clean-up in case the previous failed' '
  75         (
  76                 cd bob-pub &&
  77                 echo ../../alice-pub/objects >objects/info/alternates
  78         )
  79 '
  80
  81 test_expect_success 'alice works and pushes again' '
  82         (
  83                 # Alice does not care what Bob does.  She does not
  84                 # even have to be aware of his existence.  She just
  85                 # keeps working and pushing
  86                 cd alice-work &&
  87                 echo more alice >file &&
  88                 git commit -a -m fourth &&
  89                 git push ../alice-pub
  90         )
  91 '
  92
  93 test_expect_success 'bob works and pushes' '
  94         (
  95                 # This time Bob does not pull from Alice, and
  96                 # the master branch at her public repository points
  97                 # at a commit Bob does not know about.  This should
  98                 # not prevent the push by Bob from succeeding.
  99                 cd bob-work &&
 100                 echo yet more bob >file &&
 101                 git commit -a -m fifth &&
 102                 git push ../bob-pub
 103         )
 104 '
 105
 106 test_expect_success 'alice works and pushes yet again' '
 107         (
 108                 # Alice does not care what Bob does.  She does not
 109                 # even have to be aware of his existence.  She just
 110                 # keeps working and pushing
 111                 cd alice-work &&
 112                 echo more and more alice >file &&
 113                 git commit -a -m sixth.1 &&
 114                 echo more and more alice >>file &&
 115                 git commit -a -m sixth.2 &&
 116                 echo more and more alice >>file &&
 117                 git commit -a -m sixth.3 &&
 118                 git push ../alice-pub
 119         )
 120 '
 121
 122 test_expect_success 'bob works and pushes again' '
 123         (
 124                 cd alice-pub &&
 125                 git cat-file commit master >../bob-work/commit
 126         )
 127         (
 128                 # This time Bob does not pull from Alice, and
 129                 # the master branch at her public repository points
 130                 # at a commit Bob does not fully know about, but
 131                 # he happens to have the commit object (but not the
 132                 # necessary tree) in his repository from Alice.
 133                 # This should not prevent the push by Bob from
 134                 # succeeding.
 135                 cd bob-work &&
 136                 git hash-object -t commit -w commit &&
 137                 echo even more bob >file &&
 138                 git commit -a -m seventh &&
 139                 git push ../bob-pub
 140         )
 141 '
 142
 143 test_done