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 = $(git show HEAD:doh)
  45 '
  46
  47 git tag oldD HEAD~4
  48 test_expect_success 'rewrite one branch, keeping a side branch' '
  49         git branch modD oldD &&
  50         git-filter-branch -f --tree-filter "mv b boh || :" D..modD
  51 '
  52
  53 test_expect_success 'common ancestor is still common (unchanged)' '
  54         test "$(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 branch sub &&
  73         git-filter-branch -f --subdirectory-filter subdir refs/heads/sub
  74 '
  75
  76 test_expect_success 'subdirectory filter result looks okay' '
  77         test 2 = $(git rev-list sub | wc -l) &&
  78         git show sub:new &&
  79         ! git show sub:subdir
  80 '
  81
  82 test_expect_success 'setup and filter history that requires --full-history' '
  83         git checkout master &&
  84         mkdir subdir &&
  85         echo A > subdir/new &&
  86         git add subdir/new &&
  87         test_tick &&
  88         git commit -m "subdir on master" subdir/new &&
  89         git rm a &&
  90         test_tick &&
  91         git commit -m "again subdir on master" &&
  92         git merge branch &&
  93         git branch sub-master &&
  94         git-filter-branch -f --subdirectory-filter subdir sub-master
  95 '
  96
  97 test_expect_success 'subdirectory filter result looks okay' '
  98         test 3 = $(git rev-list -1 --parents sub-master | wc -w) &&
  99         git show sub-master^:new &&
 100         git show sub-master^2:new &&
 101         ! git show sub:subdir
 102 '
 103
 104 test_expect_success 'use index-filter to move into a subdirectory' '
 105         git branch directorymoved &&
 106         git-filter-branch -f --index-filter \
 107                  "git ls-files -s | sed \"s-\\t-&newsubdir/-\" |
 108                   GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
 109                         git update-index --index-info &&
 110                   mv \$GIT_INDEX_FILE.new \$GIT_INDEX_FILE" directorymoved &&
 111         test -z "$(git diff HEAD directorymoved:newsubdir)"'
 112
 113 test_expect_success 'stops when msg filter fails' '
 114         old=$(git rev-parse HEAD) &&
 115         ! git-filter-branch -f --msg-filter false &&
 116         test $old = $(git rev-parse HEAD) &&
 117         rm -rf .git-rewrite
 118 '
 119
 120 test_expect_success 'author information is preserved' '
 121         : > i &&
 122         git add i &&
 123         test_tick &&
 124         GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips &&
 125         git branch preserved-author &&
 126         git-filter-branch -f --msg-filter "cat; \
 127                         test \$GIT_COMMIT != $(git rev-parse master) || \
 128                         echo Hallo" \
 129                 preserved-author &&
 130         test 1 = $(git rev-list --author="B V Uips" preserved-author | wc -l)
 131 '
 132
 133 test_expect_success "remove a certain author's commits" '
 134         echo i > i &&
 135         test_tick &&
 136         git commit -m i i &&
 137         git branch removed-author &&
 138         git-filter-branch -f --commit-filter "\
 139                 if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
 140                 then\
 141                         shift;\
 142                         while [ -n \"\$1\" ];\
 143                         do\
 144                                 shift;\
 145                                 echo \"\$1\";\
 146                                 shift;\
 147                         done;\
 148                 else\
 149                         git commit-tree \"\$@\";\
 150                 fi" removed-author &&
 151         cnt1=$(git rev-list master | wc -l) &&
 152         cnt2=$(git rev-list removed-author | wc -l) &&
 153         test $cnt1 -eq $(($cnt2 + 1)) &&
 154         test 0 = $(git rev-list --author="B V Uips" removed-author | wc -l)
 155 '
 156
 157 test_expect_success 'barf on invalid name' '
 158         ! git filter-branch -f master xy-problem &&
 159         ! git filter-branch -f HEAD^
 160 '
 161
 162 test_expect_success '"map" works in commit filter' '
 163         git filter-branch -f --commit-filter "\
 164                 parent=\$(git rev-parse \$GIT_COMMIT^) &&
 165                 mapped=\$(map \$parent) &&
 166                 actual=\$(echo \"\$@\" | sed \"s/^.*-p //\") &&
 167                 test \$mapped = \$actual &&
 168                 git commit-tree \"\$@\";" master~2..master &&
 169         git rev-parse --verify master
 170 '
 171
 172 test_done