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 $1
  13 }
  14
  15 test_expect_success 'setup' '
  16         make_commit A
  17         make_commit B
  18         git checkout -b branch B
  19         make_commit D
  20         mkdir dir
  21         make_commit dir/D
  22         make_commit E
  23         git checkout master
  24         make_commit C
  25         git checkout branch
  26         git merge C
  27         git tag F
  28         make_commit G
  29         make_commit H
  30 '
  31
  32 H=$(git rev-parse H)
  33
  34 test_expect_success 'rewrite identically' '
  35         git-filter-branch branch
  36 '
  37 test_expect_success 'result is really identical' '
  38         test $H = $(git rev-parse HEAD)
  39 '
  40
  41 test_expect_success 'rewrite, renaming a specific file' '
  42         git-filter-branch -f --tree-filter "mv d doh || :" HEAD
  43 '
  44
  45 test_expect_success 'test that the file was renamed' '
  46         test d = "$(git show HEAD:doh --)" &&
  47         ! test -f d &&
  48         test -f doh &&
  49         test d = "$(cat doh)"
  50 '
  51
  52 test_expect_success 'rewrite, renaming a specific directory' '
  53         git-filter-branch -f --tree-filter "mv dir diroh || :" HEAD
  54 '
  55
  56 test_expect_success 'test that the directory was renamed' '
  57         test dir/d = "$(git show HEAD:diroh/d --)" &&
  58         ! test -d dir &&
  59         test -d diroh &&
  60         ! test -d diroh/dir &&
  61         test -f diroh/d &&
  62         test dir/d = "$(cat diroh/d)"
  63 '
  64
  65 git tag oldD HEAD~4
  66 test_expect_success 'rewrite one branch, keeping a side branch' '
  67         git branch modD oldD &&
  68         git-filter-branch -f --tree-filter "mv b boh || :" D..modD
  69 '
  70
  71 test_expect_success 'common ancestor is still common (unchanged)' '
  72         test "$(git merge-base modD D)" = "$(git rev-parse B)"
  73 '
  74
  75 test_expect_success 'filter subdirectory only' '
  76         mkdir subdir &&
  77         touch subdir/new &&
  78         git add subdir/new &&
  79         test_tick &&
  80         git commit -m "subdir" &&
  81         echo H > a &&
  82         test_tick &&
  83         git commit -m "not subdir" a &&
  84         echo A > subdir/new &&
  85         test_tick &&
  86         git commit -m "again subdir" subdir/new &&
  87         git rm a &&
  88         test_tick &&
  89         git commit -m "again not subdir" &&
  90         git branch sub &&
  91         git-filter-branch -f --subdirectory-filter subdir refs/heads/sub
  92 '
  93
  94 test_expect_success 'subdirectory filter result looks okay' '
  95         test 2 = $(git rev-list sub | wc -l) &&
  96         git show sub:new &&
  97         test_must_fail git show sub:subdir
  98 '
  99
 100 test_expect_success 'setup and filter history that requires --full-history' '
 101         git checkout master &&
 102         mkdir subdir &&
 103         echo A > subdir/new &&
 104         git add subdir/new &&
 105         test_tick &&
 106         git commit -m "subdir on master" subdir/new &&
 107         git rm a &&
 108         test_tick &&
 109         git commit -m "again subdir on master" &&
 110         git merge branch &&
 111         git branch sub-master &&
 112         git-filter-branch -f --subdirectory-filter subdir sub-master
 113 '
 114
 115 test_expect_success 'subdirectory filter result looks okay' '
 116         test 3 = $(git rev-list -1 --parents sub-master | wc -w) &&
 117         git show sub-master^:new &&
 118         git show sub-master^2:new &&
 119         test_must_fail git show sub:subdir
 120 '
 121
 122 test_expect_success 'use index-filter to move into a subdirectory' '
 123         git branch directorymoved &&
 124         git-filter-branch -f --index-filter \
 125                  "git ls-files -s | sed \"s-\\t-&newsubdir/-\" |
 126                   GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
 127                         git update-index --index-info &&
 128                   mv \$GIT_INDEX_FILE.new \$GIT_INDEX_FILE" directorymoved &&
 129         test -z "$(git diff HEAD directorymoved:newsubdir)"'
 130
 131 test_expect_success 'stops when msg filter fails' '
 132         old=$(git rev-parse HEAD) &&
 133         test_must_fail git-filter-branch -f --msg-filter false HEAD &&
 134         test $old = $(git rev-parse HEAD) &&
 135         rm -rf .git-rewrite
 136 '
 137
 138 test_expect_success 'author information is preserved' '
 139         : > i &&
 140         git add i &&
 141         test_tick &&
 142         GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips &&
 143         git branch preserved-author &&
 144         git-filter-branch -f --msg-filter "cat; \
 145                         test \$GIT_COMMIT != $(git rev-parse master) || \
 146                         echo Hallo" \
 147                 preserved-author &&
 148         test 1 = $(git rev-list --author="B V Uips" preserved-author | wc -l)
 149 '
 150
 151 test_expect_success "remove a certain author's commits" '
 152         echo i > i &&
 153         test_tick &&
 154         git commit -m i i &&
 155         git branch removed-author &&
 156         git-filter-branch -f --commit-filter "\
 157                 if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
 158                 then\
 159                         skip_commit \"\$@\";
 160                 else\
 161                         git commit-tree \"\$@\";\
 162                 fi" removed-author &&
 163         cnt1=$(git rev-list master | wc -l) &&
 164         cnt2=$(git rev-list removed-author | wc -l) &&
 165         test $cnt1 -eq $(($cnt2 + 1)) &&
 166         test 0 = $(git rev-list --author="B V Uips" removed-author | wc -l)
 167 '
 168
 169 test_expect_success 'barf on invalid name' '
 170         test_must_fail git filter-branch -f master xy-problem &&
 171         test_must_fail git filter-branch -f HEAD^
 172 '
 173
 174 test_expect_success '"map" works in commit filter' '
 175         git filter-branch -f --commit-filter "\
 176                 parent=\$(git rev-parse \$GIT_COMMIT^) &&
 177                 mapped=\$(map \$parent) &&
 178                 actual=\$(echo \"\$@\" | sed \"s/^.*-p //\") &&
 179                 test \$mapped = \$actual &&
 180                 git commit-tree \"\$@\";" master~2..master &&
 181         git rev-parse --verify master
 182 '
 183
 184 test_expect_success 'Name needing quotes' '
 185
 186         git checkout -b rerere A &&
 187         mkdir foo &&
 188         name="れれれ" &&
 189         >foo/$name &&
 190         git add foo &&
 191         git commit -m "Adding a file" &&
 192         git filter-branch --tree-filter "rm -fr foo" &&
 193         test_must_fail git ls-files --error-unmatch "foo/$name" &&
 194         test $(git rev-parse --verify rerere) != $(git rev-parse --verify A)
 195
 196 '
 197
 198 test_expect_success 'Subdirectory filter with disappearing trees' '
 199         git reset --hard &&
 200         git checkout master &&
 201
 202         mkdir foo &&
 203         touch foo/bar &&
 204         git add foo &&
 205         test_tick &&
 206         git commit -m "Adding foo" &&
 207
 208         git rm -r foo &&
 209         test_tick &&
 210         git commit -m "Removing foo" &&
 211
 212         mkdir foo &&
 213         touch foo/bar &&
 214         git add foo &&
 215         test_tick &&
 216         git commit -m "Re-adding foo" &&
 217
 218         git filter-branch -f --subdirectory-filter foo &&
 219         test $(git rev-list master | wc -l) = 3
 220 '
 221
 222 test_expect_success 'Tag name filtering retains tag message' '
 223         git tag -m atag T &&
 224         git cat-file tag T > expect &&
 225         git filter-branch -f --tag-name-filter cat &&
 226         git cat-file tag T > actual &&
 227         git diff expect actual
 228 '
 229
 230 faux_gpg_tag='object XXXXXX
 231 type commit
 232 tag S
 233 tagger T A Gger <tagger@example.com> 1206026339 -0500
 234
 235 This is a faux gpg signed tag.
 236 -----BEGIN PGP SIGNATURE-----
 237 Version: FauxGPG v0.0.0 (FAUX/Linux)
 238
 239 gdsfoewhxu/6l06f1kxyxhKdZkrcbaiOMtkJUA9ITAc1mlamh0ooasxkH1XwMbYQ
 240 acmwXaWET20H0GeAGP+7vow=
 241 =agpO
 242 -----END PGP SIGNATURE-----
 243 '
 244 test_expect_success 'Tag name filtering strips gpg signature' '
 245         sha1=$(git rev-parse HEAD) &&
 246         sha1t=$(echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | git mktag) &&
 247         git update-ref "refs/tags/S" "$sha1t" &&
 248         echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | head -n 6 > expect &&
 249         git filter-branch -f --tag-name-filter cat &&
 250         git cat-file tag S > actual &&
 251         git diff expect actual
 252 '
 253
 254 test_done