t/t3419-rebase-patch-id.sh

   1 #!/bin/bash
   2
   3 test_description='git rebase - test patch id computation'
   4
   5 . ./test-lib.sh
   6
   7 test_set_prereq NOT_EXPENSIVE
   8 test -n "$GIT_PATCHID_TIMING_TESTS" && test_set_prereq EXPENSIVE
   9 test -x /usr/bin/time && test_set_prereq USR_BIN_TIME
  10
  11 count()
  12 {
  13         i=0
  14         while test $i -lt $1
  15         do
  16                 echo "$i"
  17                 i=$(($i+1))
  18         done
  19 }
  20
  21 scramble()
  22 {
  23         i=0
  24         while read x
  25         do
  26                 if test $i -ne 0
  27                 then
  28                         echo "$x"
  29                 fi
  30                 i=$(((i+1) % 10))
  31         done < "$1" > "$1.new"
  32         mv -f "$1.new" "$1"
  33 }
  34
  35 run()
  36 {
  37         echo \$ "$@"
  38         /usr/bin/time "$@" >/dev/null
  39 }
  40
  41 test_expect_success 'setup' '
  42         git commit --allow-empty -m initial
  43         git tag root
  44 '
  45
  46 do_tests()
  47 {
  48         pr=$1
  49         nlines=$2
  50
  51         test_expect_success $pr "setup: $nlines lines" "
  52                 rm -f .gitattributes &&
  53                 git checkout -q -f master &&
  54                 git reset --hard root &&
  55                 count $nlines >file &&
  56                 git add file &&
  57                 git commit -q -m initial &&
  58                 git branch -f other &&
  59
  60                 scramble file &&
  61                 git add file &&
  62                 git commit -q -m 'change big file' &&
  63
  64                 git checkout -q other &&
  65                 : >newfile &&
  66                 git add newfile &&
  67                 git commit -q -m 'add small file' &&
  68
  69                 git cherry-pick master >/dev/null 2>&1
  70         "
  71
  72         test_debug "
  73                 run git diff master^\!
  74         "
  75
  76         test_expect_success $pr 'setup attributes' "
  77                 echo 'file binary' >.gitattributes
  78         "
  79
  80         test_debug "
  81                 run git format-patch --stdout master &&
  82                 run git format-patch --stdout --ignore-if-in-upstream master
  83         "
  84
  85         test_expect_success $pr 'detect upstream patch' "
  86                 git checkout -q master &&
  87                 scramble file &&
  88                 git add file &&
  89                 git commit -q -m 'change big file again' &&
  90                 git checkout -q other^{} &&
  91                 git rebase master &&
  92                 test_must_fail test -n \"\$(git rev-list master...HEAD~)\"
  93         "
  94
  95         test_expect_success $pr 'do not drop patch' "
  96                 git branch -f squashed master &&
  97                 git checkout -q -f squashed &&
  98                 git reset -q --soft HEAD~2 &&
  99                 git commit -q -m squashed &&
 100                 git checkout -q other^{} &&
 101                 test_must_fail git rebase squashed &&
 102                 rm -rf .git/rebase-apply
 103         "
 104 }
 105
 106 do_tests NOT_EXPENSIVE 500
 107 do_tests EXPENSIVE 50000
 108
 109 test_done