t/t3419-rebase-patch-id.sh

   1 #!/bin/sh
   2
   3 test_description='git rebase - test patch id computation'
   4
   5 . ./test-lib.sh
   6
   7 test -n "$GIT_PATCHID_TIMING_TESTS" && test_set_prereq EXPENSIVE
   8
   9 count () {
  10         i=0
  11         while test $i -lt $1
  12         do
  13                 echo "$i"
  14                 i=$(($i+1))
  15         done
  16 }
  17
  18 scramble () {
  19         i=0
  20         while read x
  21         do
  22                 if test $i -ne 0
  23                 then
  24                         echo "$x"
  25                 fi
  26                 i=$((($i+1) % 10))
  27         done <"$1" >"$1.new"
  28         mv -f "$1.new" "$1"
  29 }
  30
  31 run () {
  32         echo \$ "$@"
  33         /usr/bin/time "$@" >/dev/null
  34 }
  35
  36 test_expect_success 'setup' '
  37         git commit --allow-empty -m initial &&
  38         git tag root
  39 '
  40
  41 do_tests () {
  42         nlines=$1 pr=${2-}
  43
  44         test_expect_success $pr "setup: $nlines lines" "
  45                 rm -f .gitattributes &&
  46                 git checkout -q -f master &&
  47                 git reset --hard root &&
  48                 count $nlines >file &&
  49                 git add file &&
  50                 git commit -q -m initial &&
  51                 git branch -f other &&
  52
  53                 scramble file &&
  54                 git add file &&
  55                 git commit -q -m 'change big file' &&
  56
  57                 git checkout -q other &&
  58                 : >newfile &&
  59                 git add newfile &&
  60                 git commit -q -m 'add small file' &&
  61
  62                 git cherry-pick master >/dev/null 2>&1
  63         "
  64
  65         test_debug "
  66                 run git diff master^\!
  67         "
  68
  69         test_expect_success $pr 'setup attributes' "
  70                 echo 'file binary' >.gitattributes
  71         "
  72
  73         test_debug "
  74                 run git format-patch --stdout master &&
  75                 run git format-patch --stdout --ignore-if-in-upstream master
  76         "
  77
  78         test_expect_success $pr 'detect upstream patch' "
  79                 git checkout -q master &&
  80                 scramble file &&
  81                 git add file &&
  82                 git commit -q -m 'change big file again' &&
  83                 git checkout -q other^{} &&
  84                 git rebase master &&
  85                 test_must_fail test -n \"\$(git rev-list master...HEAD~)\"
  86         "
  87
  88         test_expect_success $pr 'do not drop patch' "
  89                 git branch -f squashed master &&
  90                 git checkout -q -f squashed &&
  91                 git reset -q --soft HEAD~2 &&
  92                 git commit -q -m squashed &&
  93                 git checkout -q other^{} &&
  94                 test_must_fail git rebase squashed &&
  95                 rm -rf .git/rebase-apply
  96         "
  97 }
  98
  99 do_tests 500
 100 do_tests 50000 EXPENSIVE
 101
 102 test_done