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