t/t6004-rev-list-path-optim.sh

   1 #!/bin/sh
   2
   3 test_description='git rev-list trivial path optimization test
   4
   5    d/z1
   6    b0                             b1
   7    o------------------------*----o main
   8   /                        /
   9  o---------o----o----o----o side
  10  a0        c0   c1   a1   c2
  11  d/f0      d/f1
  12  d/z0
  13
  14 '
  15
  16 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
  17 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
  18
  19 . ./test-lib.sh
  20
  21 test_expect_success setup '
  22         echo Hello >a &&
  23         mkdir d &&
  24         echo World >d/f &&
  25         echo World >d/z &&
  26         git add a d &&
  27         test_tick &&
  28         git commit -m "Initial commit" &&
  29         git rev-parse --verify HEAD &&
  30         git tag initial
  31 '
  32
  33 test_expect_success path-optimization '
  34         test_tick &&
  35         commit=$(echo "Unchanged tree" | git commit-tree "HEAD^{tree}" -p HEAD) &&
  36         test $(git rev-list $commit | wc -l) = 2 &&
  37         test $(git rev-list $commit -- . | wc -l) = 1
  38 '
  39
  40 test_expect_success 'further setup' '
  41         git checkout -b side &&
  42         echo Irrelevant >c &&
  43         echo Irrelevant >d/f &&
  44         git add c d/f &&
  45         test_tick &&
  46         git commit -m "Side makes an irrelevant commit" &&
  47         git tag side_c0 &&
  48         echo "More Irrelevancy" >c &&
  49         git add c &&
  50         test_tick &&
  51         git commit -m "Side makes another irrelevant commit" &&
  52         echo Bye >a &&
  53         git add a &&
  54         test_tick &&
  55         git commit -m "Side touches a" &&
  56         git tag side_a1 &&
  57         echo "Yet more Irrelevancy" >c &&
  58         git add c &&
  59         test_tick &&
  60         git commit -m "Side makes yet another irrelevant commit" &&
  61         git checkout main &&
  62         echo Another >b &&
  63         echo Munged >d/z &&
  64         git add b d/z &&
  65         test_tick &&
  66         git commit -m "Main touches b" &&
  67         git tag main_b0 &&
  68         git merge side &&
  69         echo Touched >b &&
  70         git add b &&
  71         test_tick &&
  72         git commit -m "Main touches b again"
  73 '
  74
  75 test_expect_success 'path optimization 2' '
  76         git rev-parse side_a1 initial >expected &&
  77         git rev-list HEAD -- a >actual &&
  78         test_cmp expected actual
  79 '
  80
  81 test_expect_success 'pathspec with leading path' '
  82         git rev-parse main^ main_b0 side_c0 initial >expected &&
  83         git rev-list HEAD -- d >actual &&
  84         test_cmp expected actual
  85 '
  86
  87 test_expect_success 'pathspec with glob (1)' '
  88         git rev-parse main^ main_b0 side_c0 initial >expected &&
  89         git rev-list HEAD -- "d/*" >actual &&
  90         test_cmp expected actual
  91 '
  92
  93 test_expect_success 'pathspec with glob (2)' '
  94         git rev-parse side_c0 initial >expected &&
  95         git rev-list HEAD -- "d/[a-m]*" >actual &&
  96         test_cmp expected actual
  97 '
  98
  99 test_done