t/t7003-filter-branch.sh

   1 #!/bin/sh
   2
   3 test_description='git-filter-branch'
   4 . ./test-lib.sh
   5
   6 make_commit () {
   7         lower=$(echo $1 | tr A-Z a-z)
   8         echo $lower > $lower
   9         git add $lower
  10         test_tick
  11         git commit -m $1
  12         git tag $1
  13 }
  14
  15 test_expect_success 'setup' '
  16         make_commit A
  17         make_commit B
  18         git checkout -b branch B
  19         make_commit D
  20         make_commit E
  21         git checkout master
  22         make_commit C
  23         git checkout branch
  24         git merge C
  25         git tag F
  26         make_commit G
  27         make_commit H
  28 '
  29
  30 H=$(git rev-parse H)
  31
  32 test_expect_success 'rewrite identically' '
  33         git-filter-branch branch
  34 '
  35 test_expect_success 'result is really identical' '
  36         test $H = $(git rev-parse HEAD)
  37 '
  38
  39 test_expect_success 'rewrite, renaming a specific file' '
  40         git-filter-branch -f --tree-filter "mv d doh || :" HEAD
  41 '
  42
  43 test_expect_success 'test that the file was renamed' '
  44         test d = $(git show HEAD:doh) &&
  45         test -f doh &&
  46         test d = $(cat doh)
  47 '
  48
  49 git tag oldD HEAD~4
  50 test_expect_success 'rewrite one branch, keeping a side branch' '
  51         git branch modD oldD &&
  52         git-filter-branch -f --tree-filter "mv b boh || :" D..modD
  53 '
  54
  55 test_expect_success 'common ancestor is still common (unchanged)' '
  56         test "$(git merge-base modD D)" = "$(git rev-parse B)"
  57 '
  58
  59 test_expect_success 'filter subdirectory only' '
  60         mkdir subdir &&
  61         touch subdir/new &&
  62         git add subdir/new &&
  63         test_tick &&
  64         git commit -m "subdir" &&
  65         echo H > a &&
  66         test_tick &&
  67         git commit -m "not subdir" a &&
  68         echo A > subdir/new &&
  69         test_tick &&
  70         git commit -m "again subdir" subdir/new &&
  71         git rm a &&
  72         test_tick &&
  73         git commit -m "again not subdir" &&
  74         git branch sub &&
  75         git-filter-branch -f --subdirectory-filter subdir refs/heads/sub
  76 '
  77
  78 test_expect_success 'subdirectory filter result looks okay' '
  79         test 2 = $(git rev-list sub | wc -l) &&
  80         git show sub:new &&
  81         ! git show sub:subdir
  82 '
  83
  84 test_expect_success 'setup and filter history that requires --full-history' '
  85         git checkout master &&
  86         mkdir subdir &&
  87         echo A > subdir/new &&
  88         git add subdir/new &&
  89         test_tick &&
  90         git commit -m "subdir on master" subdir/new &&
  91         git rm a &&
  92         test_tick &&
  93         git commit -m "again subdir on master" &&
  94         git merge branch &&
  95         git branch sub-master &&
  96         git-filter-branch -f --subdirectory-filter subdir sub-master
  97 '
  98
  99 test_expect_success 'subdirectory filter result looks okay' '
 100         test 3 = $(git rev-list -1 --parents sub-master | wc -w) &&
 101         git show sub-master^:new &&
 102         git show sub-master^2:new &&
 103         ! git show sub:subdir
 104 '
 105
 106 test_expect_success 'use index-filter to move into a subdirectory' '
 107         git branch directorymoved &&
 108         git-filter-branch -f --index-filter \
 109                  "git ls-files -s | sed \"s-\\t-&newsubdir/-\" |
 110                   GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
 111                         git update-index --index-info &&
 112                   mv \$GIT_INDEX_FILE.new \$GIT_INDEX_FILE" directorymoved &&
 113         test -z "$(git diff HEAD directorymoved:newsubdir)"'
 114
 115 test_expect_success 'stops when msg filter fails' '
 116         old=$(git rev-parse HEAD) &&
 117         ! git-filter-branch -f --msg-filter false &&
 118         test $old = $(git rev-parse HEAD) &&
 119         rm -rf .git-rewrite
 120 '
 121
 122 test_expect_success 'author information is preserved' '
 123         : > i &&
 124         git add i &&
 125         test_tick &&
 126         GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips &&
 127         git branch preserved-author &&
 128         git-filter-branch -f --msg-filter "cat; \
 129                         test \$GIT_COMMIT != $(git rev-parse master) || \
 130                         echo Hallo" \
 131                 preserved-author &&
 132         test 1 = $(git rev-list --author="B V Uips" preserved-author | wc -l)
 133 '
 134
 135 test_expect_success "remove a certain author's commits" '
 136         echo i > i &&
 137         test_tick &&
 138         git commit -m i i &&
 139         git branch removed-author &&
 140         git-filter-branch -f --commit-filter "\
 141                 if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
 142                 then\
 143                         skip_commit \"\$@\";
 144                 else\
 145                         git commit-tree \"\$@\";\
 146                 fi" removed-author &&
 147         cnt1=$(git rev-list master | wc -l) &&
 148         cnt2=$(git rev-list removed-author | wc -l) &&
 149         test $cnt1 -eq $(($cnt2 + 1)) &&
 150         test 0 = $(git rev-list --author="B V Uips" removed-author | wc -l)
 151 '
 152
 153 test_expect_success 'barf on invalid name' '
 154         ! git filter-branch -f master xy-problem &&
 155         ! git filter-branch -f HEAD^
 156 '
 157
 158 test_expect_success '"map" works in commit filter' '
 159         git filter-branch -f --commit-filter "\
 160                 parent=\$(git rev-parse \$GIT_COMMIT^) &&
 161                 mapped=\$(map \$parent) &&
 162                 actual=\$(echo \"\$@\" | sed \"s/^.*-p //\") &&
 163                 test \$mapped = \$actual &&
 164                 git commit-tree \"\$@\";" master~2..master &&
 165         git rev-parse --verify master
 166 '
 167
 168 test_done