t/t1414-reflog-walk.sh

   1 #!/bin/sh
   2
   3 test_description='various tests of reflog walk (log -g) behavior'
   4 . ./test-lib.sh
   5
   6 test_expect_success 'set up some reflog entries' '
   7         test_commit one &&
   8         test_commit two &&
   9         git checkout -b side HEAD^ &&
  10         test_commit three &&
  11         git merge --no-commit master &&
  12         echo evil-merge-content >>one.t &&
  13         test_tick &&
  14         git commit --no-edit -a
  15 '
  16
  17 do_walk () {
  18         git log -g --format="%gd %gs" "$@"
  19 }
  20
  21 sq="'"
  22 test_expect_success 'set up expected reflog' '
  23         cat >expect.all <<-EOF
  24         HEAD@{0} commit (merge): Merge branch ${sq}master${sq} into side
  25         HEAD@{1} commit: three
  26         HEAD@{2} checkout: moving from master to side
  27         HEAD@{3} commit: two
  28         HEAD@{4} commit (initial): one
  29         EOF
  30 '
  31
  32 test_expect_success 'reflog walk shows expected logs' '
  33         do_walk >actual &&
  34         test_cmp expect.all actual
  35 '
  36
  37 test_expect_success 'reflog can limit with --no-merges' '
  38         grep -v merge expect.all >expect &&
  39         do_walk --no-merges >actual &&
  40         test_cmp expect actual
  41 '
  42
  43 test_expect_success 'reflog can limit with pathspecs' '
  44         grep two expect.all >expect &&
  45         do_walk -- two.t >actual &&
  46         test_cmp expect actual
  47 '
  48
  49 test_expect_success 'pathspec limiting handles merges' '
  50         # we pick up:
  51         #   - the initial commit of one
  52         #   - the checkout back to commit one
  53         #   - the evil merge which touched one
  54         sed -n "1p;3p;5p" expect.all >expect &&
  55         do_walk -- one.t >actual &&
  56         test_cmp expect actual
  57 '
  58
  59 test_expect_success '--parents shows true parents' '
  60         # convert newlines to spaces
  61         echo $(git rev-parse HEAD HEAD^1 HEAD^2) >expect &&
  62         git rev-list -g --parents -1 HEAD >actual &&
  63         test_cmp expect actual
  64 '
  65
  66 test_expect_success 'walking multiple reflogs shows all' '
  67         # We expect to see all entries for all reflogs, but interleaved by
  68         # date, with order on the command line breaking ties. We
  69         # can use "sort" on the separate lists to generate this,
  70         # but note two tricks:
  71         #
  72         #   1. We use "{" as the delimiter, which lets us skip to the reflog
  73         #      date specifier as our second field, and then our "-n" numeric
  74         #      sort ignores the bits after the timestamp.
  75         #
  76         #   2. POSIX leaves undefined whether this is a stable sort or not. So
  77         #      we use "-k 1" to ensure that we see HEAD before master before
  78         #      side when breaking ties.
  79         {
  80                 do_walk --date=unix HEAD &&
  81                 do_walk --date=unix side &&
  82                 do_walk --date=unix master
  83         } >expect.raw &&
  84         sort -t "{" -k 2nr -k 1 <expect.raw >expect &&
  85         do_walk --date=unix HEAD master side >actual &&
  86         test_cmp expect actual
  87 '
  88
  89 test_expect_success 'date-limiting does not interfere with other logs' '
  90         do_walk HEAD@{1979-01-01} HEAD >actual &&
  91         test_cmp expect.all actual
  92 '
  93
  94 test_expect_success 'min/max age uses entry date to limit' '
  95         # Flip between commits one and two so each ref update actually
  96         # does something (and does not get optimized out). We know
  97         # that the timestamps of those commits will be before our "min".
  98
  99         git update-ref -m before refs/heads/minmax one &&
 100
 101         test_tick &&
 102         min=$test_tick &&
 103         git update-ref -m min refs/heads/minmax two &&
 104
 105         test_tick &&
 106         max=$test_tick &&
 107         git update-ref -m max refs/heads/minmax one &&
 108
 109         test_tick &&
 110         git update-ref -m after refs/heads/minmax two &&
 111
 112         cat >expect <<-\EOF &&
 113         max
 114         min
 115         EOF
 116         git log -g --since=$min --until=$max --format=%gs minmax >actual &&
 117         test_cmp expect actual
 118 '
 119
 120 test_expect_success 'walk prefers reflog to ref tip' '
 121         head=$(git rev-parse HEAD) &&
 122         one=$(git rev-parse one) &&
 123         ident="$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE" &&
 124         echo "$head $one $ident broken reflog entry" >>.git/logs/HEAD &&
 125
 126         echo $one >expect &&
 127         git log -g --format=%H -1 >actual &&
 128         test_cmp expect actual
 129 '
 130
 131 test_expect_success 'rev-list -g complains when there are no reflogs' '
 132         test_must_fail git rev-list -g
 133 '
 134
 135 test_done