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         echo "initial" >lost &&
  18         git add file lost &&
  19         test_tick && git commit -m "Initial file and lost" &&
  20         note A &&
  21
  22         git branch other-branch &&
  23
  24         echo "Hello" >file &&
  25         echo "second" >lost &&
  26         git add file lost &&
  27         test_tick && git commit -m "Modified file and lost" &&
  28         note B &&
  29
  30         git checkout other-branch &&
  31
  32         echo "Hello" >file &&
  33         >lost &&
  34         git add file lost &&
  35         test_tick && git commit -m "Modified the file identically" &&
  36         note C &&
  37
  38         echo "This is a stupid example" >another-file &&
  39         git add another-file &&
  40         test_tick && git commit -m "Add another file" &&
  41         note D &&
  42
  43         test_tick &&
  44         test_must_fail git merge -m "merge" master &&
  45         >lost && git commit -a -m "merge" &&
  46         note E &&
  47
  48         echo "Yet another" >elif &&
  49         git add elif &&
  50         test_tick && git commit -m "Irrelevant change" &&
  51         note F &&
  52
  53         git checkout master &&
  54         echo "Yet another" >elif &&
  55         git add elif &&
  56         test_tick && git commit -m "Another irrelevant change" &&
  57         note G &&
  58
  59         test_tick && git merge -m "merge" other-branch &&
  60         note H &&
  61
  62         echo "Final change" >file &&
  63         test_tick && git commit -a -m "Final change" &&
  64         note I &&
  65
  66         git symbolic-ref HEAD refs/heads/unrelated &&
  67         git rm -f "*" &&
  68         echo "Unrelated branch" >side &&
  69         git add side &&
  70         test_tick && git commit -m "Side root" &&
  71         note J &&
  72
  73         git checkout master &&
  74         test_tick && git merge -m "Coolest" unrelated &&
  75         note K &&
  76
  77         echo "Immaterial" >elif &&
  78         git add elif &&
  79         test_tick && git commit -m "Last" &&
  80         note L
  81 '
  82
  83 FMT='tformat:%P         %H | %s'
  84
  85 check_outcome () {
  86         outcome=$1
  87         shift
  88         for c in $1
  89         do
  90                 echo "$c"
  91         done >expect &&
  92         shift &&
  93         param="$*" &&
  94         test_expect_$outcome "log $param" '
  95                 git log --pretty="$FMT" --parents $param |
  96                 unnote >actual &&
  97                 sed -e "s/^.*   \([^ ]*\) .*/\1/" >check <actual &&
  98                 test_cmp expect check || {
  99                         cat actual
 100                         false
 101                 }
 102         '
 103 }
 104
 105 check_result () {
 106         check_outcome success "$@"
 107 }
 108
 109 check_result 'L K J I H G F E D C B A' --full-history
 110 check_result 'K I H E C B A' --full-history -- file
 111 check_result 'K I H E C B A' --full-history --topo-order -- file
 112 check_result 'K I H E C B A' --full-history --date-order -- file
 113 check_result 'I E C B A' --simplify-merges -- file
 114 check_result 'I B A' -- file
 115 check_result 'I B A' --topo-order -- file
 116 check_result 'H' --first-parent -- another-file
 117
 118 check_result 'E C B A' --full-history E -- lost
 119 test_expect_success 'full history simplification without parent' '
 120         printf "%s\n" E C B A >expect &&
 121         git log --pretty="$FMT" --full-history E -- lost |
 122         unnote >actual &&
 123         sed -e "s/^.*   \([^ ]*\) .*/\1/" >check <actual &&
 124         test_cmp expect check || {
 125                 cat actual
 126                 false
 127         }
 128 '
 129
 130 test_done