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3a3342e171edd29756a39b0f21518062649eca7a
   1#!/bin/sh
   2
   3test_description="Test whether cache-tree is properly updated
   4
   5Tests whether various commands properly update and/or rewrite the
   6cache-tree extension.
   7"
   8 . ./test-lib.sh
   9
  10cmp_cache_tree () {
  11        test-dump-cache-tree >actual &&
  12        sed "s/$_x40/SHA/" <actual >filtered &&
  13        test_cmp "$1" filtered
  14}
  15
  16# We don't bother with actually checking the SHA1:
  17# test-dump-cache-tree already verifies that all existing data is
  18# correct.
  19test_shallow_cache_tree () {
  20        printf "SHA  (%d entries, 0 subtrees)\n" $(git ls-files|wc -l) >expect &&
  21        cmp_cache_tree expect
  22}
  23
  24test_invalid_cache_tree () {
  25        printf "invalid                                  %s ()\n" "" "$@" >expect &&
  26        test-dump-cache-tree | \
  27        sed -n -e "s/[0-9]* subtrees//" -e '/#(ref)/d' -e '/^invalid /p' >actual &&
  28        test_cmp expect actual
  29}
  30
  31test_no_cache_tree () {
  32        : >expect &&
  33        cmp_cache_tree expect
  34}
  35
  36test_expect_failure 'initial commit has cache-tree' '
  37        test_commit foo &&
  38        test_shallow_cache_tree
  39'
  40
  41test_expect_success 'read-tree HEAD establishes cache-tree' '
  42        git read-tree HEAD &&
  43        test_shallow_cache_tree
  44'
  45
  46test_expect_success 'git-add invalidates cache-tree' '
  47        test_when_finished "git reset --hard; git read-tree HEAD" &&
  48        echo "I changed this file" >foo &&
  49        git add foo &&
  50        test_invalid_cache_tree
  51'
  52
  53test_expect_success 'git-add in subdir invalidates cache-tree' '
  54        test_when_finished "git reset --hard; git read-tree HEAD" &&
  55        mkdir dirx &&
  56        echo "I changed this file" >dirx/foo &&
  57        git add dirx/foo &&
  58        test_invalid_cache_tree
  59'
  60
  61test_expect_success 'git-add in subdir does not invalidate sibling cache-tree' '
  62        git tag no-children &&
  63        test_when_finished "git reset --hard no-children; git read-tree HEAD" &&
  64        mkdir dir1 dir2 &&
  65        test_commit dir1/a &&
  66        test_commit dir2/b &&
  67        echo "I changed this file" >dir1/a &&
  68        git add dir1/a &&
  69        test_invalid_cache_tree dir1/
  70'
  71
  72test_expect_success 'update-index invalidates cache-tree' '
  73        test_when_finished "git reset --hard; git read-tree HEAD" &&
  74        echo "I changed this file" >foo &&
  75        git update-index --add foo &&
  76        test_invalid_cache_tree
  77'
  78
  79test_expect_success 'write-tree establishes cache-tree' '
  80        test-scrap-cache-tree &&
  81        git write-tree &&
  82        test_shallow_cache_tree
  83'
  84
  85test_expect_success 'test-scrap-cache-tree works' '
  86        git read-tree HEAD &&
  87        test-scrap-cache-tree &&
  88        test_no_cache_tree
  89'
  90
  91test_expect_success 'second commit has cache-tree' '
  92        test_commit bar &&
  93        test_shallow_cache_tree
  94'
  95
  96test_expect_success 'reset --hard gives cache-tree' '
  97        test-scrap-cache-tree &&
  98        git reset --hard &&
  99        test_shallow_cache_tree
 100'
 101
 102test_expect_success 'reset --hard without index gives cache-tree' '
 103        rm -f .git/index &&
 104        git reset --hard &&
 105        test_shallow_cache_tree
 106'
 107
 108test_expect_success 'checkout gives cache-tree' '
 109        git tag current &&
 110        git checkout HEAD^ &&
 111        test_shallow_cache_tree
 112'
 113
 114test_expect_success 'checkout -b gives cache-tree' '
 115        git checkout current &&
 116        git checkout -b prev HEAD^ &&
 117        test_shallow_cache_tree
 118'
 119
 120test_expect_success 'checkout -B gives cache-tree' '
 121        git checkout current &&
 122        git checkout -B prev HEAD^ &&
 123        test_shallow_cache_tree
 124'
 125
 126test_done