t/t6012-rev-list-simplify.sh

   1 #!/bin/sh
   2
   3 test_description='merge simplification'
   4
   5 . ./test-lib.sh
   6
   7 note () {
   8         git tag "$1"
   9 }
  10
  11 unnote () {
  12         git name-rev --tags --stdin | sed -e "s|$_x40 (tags/\([^)]*\)) |\1 |g"
  13 }
  14
  15 test_expect_success setup '
  16         echo "Hi there" >file &&
  17         git add file &&
  18         test_tick && git commit -m "Initial file" &&
  19         note A &&
  20
  21         git branch other-branch &&
  22
  23         echo "Hello" >file &&
  24         git add file &&
  25         test_tick && git commit -m "Modified file" &&
  26         note B &&
  27
  28         git checkout other-branch &&
  29
  30         echo "Hello" >file &&
  31         git add file &&
  32         test_tick && git commit -m "Modified the file identically" &&
  33         note C &&
  34
  35         echo "This is a stupid example" >another-file &&
  36         git add another-file &&
  37         test_tick && git commit -m "Add another file" &&
  38         note D &&
  39
  40         test_tick && git merge -m "merge" master &&
  41         note E &&
  42
  43         echo "Yet another" >elif &&
  44         git add elif &&
  45         test_tick && git commit -m "Irrelevant change" &&
  46         note F &&
  47
  48         git checkout master &&
  49         echo "Yet another" >elif &&
  50         git add elif &&
  51         test_tick && git commit -m "Another irrelevant change" &&
  52         note G &&
  53
  54         test_tick && git merge -m "merge" other-branch &&
  55         note H &&
  56
  57         echo "Final change" >file &&
  58         test_tick && git commit -a -m "Final change" &&
  59         note I &&
  60
  61         git symbolic-ref HEAD refs/heads/unrelated &&
  62         git rm -f "*" &&
  63         echo "Unrelated branch" >side &&
  64         git add side &&
  65         test_tick && git commit -m "Side root" &&
  66         note J &&
  67
  68         git checkout master &&
  69         test_tick && git merge -m "Coolest" unrelated &&
  70         note K &&
  71
  72         echo "Immaterial" >elif &&
  73         git add elif &&
  74         test_tick && git commit -m "Last" &&
  75         note L
  76 '
  77
  78 FMT='tformat:%P         %H | %s'
  79
  80 check_outcome () {
  81         outcome=$1
  82         shift
  83         for c in $1
  84         do
  85                 echo "$c"
  86         done >expect &&
  87         shift &&
  88         param="$*" &&
  89         test_expect_$outcome "log $param" '
  90                 git log --pretty="$FMT" --parents $param |
  91                 unnote >actual &&
  92                 sed -e "s/^.*   \([^ ]*\) .*/\1/" >check <actual &&
  93                 test_cmp expect check || {
  94                         cat actual
  95                         false
  96                 }
  97         '
  98 }
  99
 100 check_result () {
 101         check_outcome success "$@"
 102 }
 103
 104 check_result 'L K J I H G F E D C B A' --full-history
 105 check_result 'K I H E C B A' --full-history -- file
 106 check_result 'K I H E C B A' --full-history --topo-order -- file
 107 check_result 'K I H E C B A' --full-history --date-order -- file
 108 check_outcome failure 'I E C B A' --simplify-merges -- file
 109 check_result 'I B A' -- file
 110 check_result 'I B A' --topo-order -- file
 111 check_result 'H' --first-parent -- another-file
 112
 113 test_done