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 H2
  34 '
  35
  36 test_expect_success 'result is really identical' '
  37         test $H = $(git rev-parse H2)
  38 '
  39
  40 test_expect_success 'rewrite, renaming a specific file' '
  41         git-filter-branch --tree-filter "mv d doh || :" H3
  42 '
  43
  44 test_expect_success 'test that the file was renamed' '
  45         test d = $(git show H3:doh)
  46 '
  47
  48 git tag oldD H3~4
  49 test_expect_success 'rewrite one branch, keeping a side branch' '
  50         git-filter-branch --tree-filter "mv b boh || :" modD D..oldD
  51 '
  52
  53 test_expect_success 'common ancestor is still common (unchanged)' '
  54         test "$(git merge-base modD D)" = "$(git rev-parse B)"
  55 '
  56
  57 test_expect_success 'filter subdirectory only' '
  58         mkdir subdir &&
  59         touch subdir/new &&
  60         git add subdir/new &&
  61         test_tick &&
  62         git commit -m "subdir" &&
  63         echo H > a &&
  64         test_tick &&
  65         git commit -m "not subdir" a &&
  66         echo A > subdir/new &&
  67         test_tick &&
  68         git commit -m "again subdir" subdir/new &&
  69         git rm a &&
  70         test_tick &&
  71         git commit -m "again not subdir" &&
  72         git-filter-branch --subdirectory-filter subdir sub
  73 '
  74
  75 test_expect_success 'subdirectory filter result looks okay' '
  76         test 2 = $(git rev-list sub | wc -l) &&
  77         git show sub:new &&
  78         ! git show sub:subdir
  79 '
  80
  81 test_expect_success 'setup and filter history that requires --full-history' '
  82         git checkout master &&
  83         mkdir subdir &&
  84         echo A > subdir/new &&
  85         git add subdir/new &&
  86         test_tick &&
  87         git commit -m "subdir on master" subdir/new &&
  88         git rm a &&
  89         test_tick &&
  90         git commit -m "again subdir on master" &&
  91         git merge branch &&
  92         git-filter-branch --subdirectory-filter subdir sub-master
  93 '
  94
  95 test_expect_success 'subdirectory filter result looks okay' '
  96         test 3 = $(git rev-list -1 --parents sub-master | wc -w) &&
  97         git show sub-master^:new &&
  98         git show sub-master^2:new &&
  99         ! git show sub:subdir
 100 '
 101
 102 test_expect_success 'use index-filter to move into a subdirectory' '
 103         git-filter-branch --index-filter \
 104                  "git ls-files -s | sed \"s-\\t-&newsubdir/-\" |
 105                   GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
 106                         git update-index --index-info &&
 107                   mv \$GIT_INDEX_FILE.new \$GIT_INDEX_FILE" directorymoved &&
 108         test -z "$(git diff HEAD directorymoved:newsubdir)"'
 109
 110 test_expect_success 'stops when msg filter fails' '
 111         ! git-filter-branch --msg-filter false nonono &&
 112         rm -rf .git-rewrite &&
 113         ! git rev-parse nonono
 114 '
 115
 116 test_expect_success 'author information is preserved' '
 117         : > i &&
 118         git add i &&
 119         test_tick &&
 120         GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips &&
 121         git-filter-branch --msg-filter "cat; \
 122                         test \$GIT_COMMIT != $(git rev-parse master) || \
 123                         echo Hallo" \
 124                 preserved-author &&
 125         test 1 = $(git rev-list --author="B V Uips" preserved-author | wc -l)
 126 '
 127
 128 test_expect_success "remove a certain author's commits" '
 129         echo i > i &&
 130         test_tick &&
 131         git commit -m i i &&
 132         git-filter-branch --commit-filter "\
 133                 if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
 134                 then\
 135                         shift;\
 136                         while [ -n \"\$1\" ];\
 137                         do\
 138                                 shift;\
 139                                 echo \"\$1\";\
 140                                 shift;\
 141                         done;\
 142                 else\
 143                         git commit-tree \"\$@\";\
 144                 fi" removed-author &&
 145         cnt1=$(git rev-list master | wc -l) &&
 146         cnt2=$(git rev-list removed-author | wc -l) &&
 147         test $cnt1 -eq $(($cnt2 + 1)) &&
 148         test 0 = $(git rev-list --author="B V Uips" removed-author | wc -l)
 149 '
 150
 151 test_done