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

   1 #!/bin/sh
   2
   3 test_description='git rev-list trivial path optimization test'
   4
   5 . ./test-lib.sh
   6
   7 test_expect_success setup '
   8 echo Hello > a &&
   9 git add a &&
  10 git commit -m "Initial commit" a &&
  11 initial=$(git rev-parse --verify HEAD)
  12 '
  13
  14 test_expect_success path-optimization '
  15     commit=$(echo "Unchanged tree" | git commit-tree "HEAD^{tree}" -p HEAD) &&
  16     test $(git rev-list $commit | wc -l) = 2 &&
  17     test $(git rev-list $commit -- . | wc -l) = 1
  18 '
  19
  20 test_expect_success 'further setup' '
  21         git checkout -b side &&
  22         echo Irrelevant >c &&
  23         git add c &&
  24         git commit -m "Side makes an irrelevant commit" &&
  25         echo "More Irrelevancy" >c &&
  26         git add c &&
  27         git commit -m "Side makes another irrelevant commit" &&
  28         echo Bye >a &&
  29         git add a &&
  30         git commit -m "Side touches a" &&
  31         side=$(git rev-parse --verify HEAD) &&
  32         echo "Yet more Irrelevancy" >c &&
  33         git add c &&
  34         git commit -m "Side makes yet another irrelevant commit" &&
  35         git checkout master &&
  36         echo Another >b &&
  37         git add b &&
  38         git commit -m "Master touches b" &&
  39         git merge side &&
  40         echo Touched >b &&
  41         git add b &&
  42         git commit -m "Master touches b again"
  43 '
  44
  45 test_expect_success 'path optimization 2' '
  46         ( echo "$side"; echo "$initial" ) >expected &&
  47         git rev-list HEAD -- a >actual &&
  48         diff -u expected actual
  49 '
  50
  51 test_done