Andrew's git - gitweb.git/blob - t/t1409-avoid-packing-refs.sh

   1#!/bin/sh
   2
   3test_description='avoid rewriting packed-refs unnecessarily'
   4
   5. ./test-lib.sh
   6
   7# Add an identifying mark to the packed-refs file header line. This
   8# shouldn't upset readers, and it should be omitted if the file is
   9# ever rewritten.
  10mark_packed_refs () {
  11        sed -e "s/^\(#.*\)/\1 t1409 /" <.git/packed-refs >.git/packed-refs.new &&
  12        mv .git/packed-refs.new .git/packed-refs
  13}
  14
  15# Verify that the packed-refs file is still marked.
  16check_packed_refs_marked () {
  17        grep -q '^#.* t1409 ' .git/packed-refs
  18}
  19
  20test_expect_success 'setup' '
  21        git commit --allow-empty -m "Commit A" &&
  22        A=$(git rev-parse HEAD) &&
  23        git commit --allow-empty -m "Commit B" &&
  24        B=$(git rev-parse HEAD) &&
  25        git commit --allow-empty -m "Commit C" &&
  26        C=$(git rev-parse HEAD)
  27'
  28
  29test_expect_success 'do not create packed-refs file gratuitously' '
  30        test_must_fail test -f .git/packed-refs &&
  31        git update-ref refs/heads/foo $A &&
  32        test_must_fail test -f .git/packed-refs &&
  33        git update-ref refs/heads/foo $B &&
  34        test_must_fail test -f .git/packed-refs &&
  35        git update-ref refs/heads/foo $C $B &&
  36        test_must_fail test -f .git/packed-refs &&
  37        git update-ref -d refs/heads/foo &&
  38        test_must_fail test -f .git/packed-refs
  39'
  40
  41test_expect_success 'check that marking the packed-refs file works' '
  42        git for-each-ref >expected &&
  43        git pack-refs --all &&
  44        mark_packed_refs &&
  45        check_packed_refs_marked &&
  46        git for-each-ref >actual &&
  47        test_cmp expected actual &&
  48        git pack-refs --all &&
  49        test_must_fail check_packed_refs_marked &&
  50        git for-each-ref >actual2 &&
  51        test_cmp expected actual2
  52'
  53
  54test_expect_success 'leave packed-refs untouched on update of packed' '
  55        git update-ref refs/heads/packed-update $A &&
  56        git pack-refs --all &&
  57        mark_packed_refs &&
  58        git update-ref refs/heads/packed-update $B &&
  59        check_packed_refs_marked
  60'
  61
  62test_expect_success 'leave packed-refs untouched on checked update of packed' '
  63        git update-ref refs/heads/packed-checked-update $A &&
  64        git pack-refs --all &&
  65        mark_packed_refs &&
  66        git update-ref refs/heads/packed-checked-update $B $A &&
  67        check_packed_refs_marked
  68'
  69
  70test_expect_success 'leave packed-refs untouched on verify of packed' '
  71        git update-ref refs/heads/packed-verify $A &&
  72        git pack-refs --all &&
  73        mark_packed_refs &&
  74        echo "verify refs/heads/packed-verify $A" | git update-ref --stdin &&
  75        check_packed_refs_marked
  76'
  77
  78test_expect_success 'touch packed-refs on delete of packed' '
  79        git update-ref refs/heads/packed-delete $A &&
  80        git pack-refs --all &&
  81        mark_packed_refs &&
  82        git update-ref -d refs/heads/packed-delete &&
  83        test_must_fail check_packed_refs_marked
  84'
  85
  86test_expect_success 'leave packed-refs untouched on update of loose' '
  87        git pack-refs --all &&
  88        git update-ref refs/heads/loose-update $A &&
  89        mark_packed_refs &&
  90        git update-ref refs/heads/loose-update $B &&
  91        check_packed_refs_marked
  92'
  93
  94test_expect_success 'leave packed-refs untouched on checked update of loose' '
  95        git pack-refs --all &&
  96        git update-ref refs/heads/loose-checked-update $A &&
  97        mark_packed_refs &&
  98        git update-ref refs/heads/loose-checked-update $B $A &&
  99        check_packed_refs_marked
 100'
 101
 102test_expect_success 'leave packed-refs untouched on verify of loose' '
 103        git pack-refs --all &&
 104        git update-ref refs/heads/loose-verify $A &&
 105        mark_packed_refs &&
 106        echo "verify refs/heads/loose-verify $A" | git update-ref --stdin &&
 107        check_packed_refs_marked
 108'
 109
 110test_expect_success 'leave packed-refs untouched on delete of loose' '
 111        git pack-refs --all &&
 112        git update-ref refs/heads/loose-delete $A &&
 113        mark_packed_refs &&
 114        git update-ref -d refs/heads/loose-delete &&
 115        check_packed_refs_marked
 116'
 117
 118test_done