Andrew's git / gitweb.git / t/t7003-filter-branch.sh
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t / t7003-filter-branch.shon commit Merge branch 'maint' (aff4e8d)
   1#!/bin/sh
   2
   3test_description='git filter-branch'
   4. ./test-lib.sh
   5
   6make_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 $1
  13}
  14
  15test_expect_success 'setup' '
  16        make_commit A
  17        make_commit B
  18        git checkout -b branch B
  19        make_commit D
  20        mkdir dir
  21        make_commit dir/D
  22        make_commit E
  23        git checkout master
  24        make_commit C
  25        git checkout branch
  26        git merge C
  27        git tag F
  28        make_commit G
  29        make_commit H
  30'
  31
  32H=$(git rev-parse H)
  33
  34test_expect_success 'rewrite identically' '
  35        git filter-branch branch
  36'
  37test_expect_success 'result is really identical' '
  38        test $H = $(git rev-parse HEAD)
  39'
  40
  41test_expect_success 'rewrite bare repository identically' '
  42        (git config core.bare true && cd .git &&
  43         git filter-branch branch > filter-output 2>&1 &&
  44        ! fgrep fatal filter-output)
  45'
  46git config core.bare false
  47test_expect_success 'result is really identical' '
  48        test $H = $(git rev-parse HEAD)
  49'
  50
  51test_expect_success 'rewrite, renaming a specific file' '
  52        git filter-branch -f --tree-filter "mv d doh || :" HEAD
  53'
  54
  55test_expect_success 'test that the file was renamed' '
  56        test d = "$(git show HEAD:doh --)" &&
  57        ! test -f d &&
  58        test -f doh &&
  59        test d = "$(cat doh)"
  60'
  61
  62test_expect_success 'rewrite, renaming a specific directory' '
  63        git filter-branch -f --tree-filter "mv dir diroh || :" HEAD
  64'
  65
  66test_expect_success 'test that the directory was renamed' '
  67        test dir/d = "$(git show HEAD:diroh/d --)" &&
  68        ! test -d dir &&
  69        test -d diroh &&
  70        ! test -d diroh/dir &&
  71        test -f diroh/d &&
  72        test dir/d = "$(cat diroh/d)"
  73'
  74
  75git tag oldD HEAD~4
  76test_expect_success 'rewrite one branch, keeping a side branch' '
  77        git branch modD oldD &&
  78        git filter-branch -f --tree-filter "mv b boh || :" D..modD
  79'
  80
  81test_expect_success 'common ancestor is still common (unchanged)' '
  82        test "$(git merge-base modD D)" = "$(git rev-parse B)"
  83'
  84
  85test_expect_success 'filter subdirectory only' '
  86        mkdir subdir &&
  87        touch subdir/new &&
  88        git add subdir/new &&
  89        test_tick &&
  90        git commit -m "subdir" &&
  91        echo H > a &&
  92        test_tick &&
  93        git commit -m "not subdir" a &&
  94        echo A > subdir/new &&
  95        test_tick &&
  96        git commit -m "again subdir" subdir/new &&
  97        git rm a &&
  98        test_tick &&
  99        git commit -m "again not subdir" &&
 100        git branch sub &&
 101        git branch sub-earlier HEAD~2 &&
 102        git filter-branch -f --subdirectory-filter subdir \
 103                refs/heads/sub refs/heads/sub-earlier
 104'
 105
 106test_expect_success 'subdirectory filter result looks okay' '
 107        test 2 = $(git rev-list sub | wc -l) &&
 108        git show sub:new &&
 109        test_must_fail git show sub:subdir &&
 110        git show sub-earlier:new &&
 111        test_must_fail git show sub-earlier:subdir
 112'
 113
 114test_expect_success 'more setup' '
 115        git checkout master &&
 116        mkdir subdir &&
 117        echo A > subdir/new &&
 118        git add subdir/new &&
 119        test_tick &&
 120        git commit -m "subdir on master" subdir/new &&
 121        git rm a &&
 122        test_tick &&
 123        git commit -m "again subdir on master" &&
 124        git merge branch
 125'
 126
 127test_expect_success 'use index-filter to move into a subdirectory' '
 128        git branch directorymoved &&
 129        git filter-branch -f --index-filter \
 130                 "git ls-files -s | sed \"s-\\t-&newsubdir/-\" |
 131                  GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
 132                        git update-index --index-info &&
 133                  mv \"\$GIT_INDEX_FILE.new\" \"\$GIT_INDEX_FILE\"" directorymoved &&
 134        test -z "$(git diff HEAD directorymoved:newsubdir)"'
 135
 136test_expect_success 'stops when msg filter fails' '
 137        old=$(git rev-parse HEAD) &&
 138        test_must_fail git filter-branch -f --msg-filter false HEAD &&
 139        test $old = $(git rev-parse HEAD) &&
 140        rm -rf .git-rewrite
 141'
 142
 143test_expect_success 'author information is preserved' '
 144        : > i &&
 145        git add i &&
 146        test_tick &&
 147        GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips &&
 148        git branch preserved-author &&
 149        git filter-branch -f --msg-filter "cat; \
 150                        test \$GIT_COMMIT != $(git rev-parse master) || \
 151                        echo Hallo" \
 152                preserved-author &&
 153        test 1 = $(git rev-list --author="B V Uips" preserved-author | wc -l)
 154'
 155
 156test_expect_success "remove a certain author's commits" '
 157        echo i > i &&
 158        test_tick &&
 159        git commit -m i i &&
 160        git branch removed-author &&
 161        git filter-branch -f --commit-filter "\
 162                if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
 163                then\
 164                        skip_commit \"\$@\";
 165                else\
 166                        git commit-tree \"\$@\";\
 167                fi" removed-author &&
 168        cnt1=$(git rev-list master | wc -l) &&
 169        cnt2=$(git rev-list removed-author | wc -l) &&
 170        test $cnt1 -eq $(($cnt2 + 1)) &&
 171        test 0 = $(git rev-list --author="B V Uips" removed-author | wc -l)
 172'
 173
 174test_expect_success 'barf on invalid name' '
 175        test_must_fail git filter-branch -f master xy-problem &&
 176        test_must_fail git filter-branch -f HEAD^
 177'
 178
 179test_expect_success '"map" works in commit filter' '
 180        git filter-branch -f --commit-filter "\
 181                parent=\$(git rev-parse \$GIT_COMMIT^) &&
 182                mapped=\$(map \$parent) &&
 183                actual=\$(echo \"\$@\" | sed \"s/^.*-p //\") &&
 184                test \$mapped = \$actual &&
 185                git commit-tree \"\$@\";" master~2..master &&
 186        git rev-parse --verify master
 187'
 188
 189test_expect_success 'Name needing quotes' '
 190
 191        git checkout -b rerere A &&
 192        mkdir foo &&
 193        name="れれれ" &&
 194        >foo/$name &&
 195        git add foo &&
 196        git commit -m "Adding a file" &&
 197        git filter-branch --tree-filter "rm -fr foo" &&
 198        test_must_fail git ls-files --error-unmatch "foo/$name" &&
 199        test $(git rev-parse --verify rerere) != $(git rev-parse --verify A)
 200
 201'
 202
 203test_expect_success 'Subdirectory filter with disappearing trees' '
 204        git reset --hard &&
 205        git checkout master &&
 206
 207        mkdir foo &&
 208        touch foo/bar &&
 209        git add foo &&
 210        test_tick &&
 211        git commit -m "Adding foo" &&
 212
 213        git rm -r foo &&
 214        test_tick &&
 215        git commit -m "Removing foo" &&
 216
 217        mkdir foo &&
 218        touch foo/bar &&
 219        git add foo &&
 220        test_tick &&
 221        git commit -m "Re-adding foo" &&
 222
 223        git filter-branch -f --subdirectory-filter foo &&
 224        test $(git rev-list master | wc -l) = 3
 225'
 226
 227test_expect_success 'Tag name filtering retains tag message' '
 228        git tag -m atag T &&
 229        git cat-file tag T > expect &&
 230        git filter-branch -f --tag-name-filter cat &&
 231        git cat-file tag T > actual &&
 232        test_cmp expect actual
 233'
 234
 235faux_gpg_tag='object XXXXXX
 236type commit
 237tag S
 238tagger T A Gger <tagger@example.com> 1206026339 -0500
 239
 240This is a faux gpg signed tag.
 241-----BEGIN PGP SIGNATURE-----
 242Version: FauxGPG v0.0.0 (FAUX/Linux)
 243
 244gdsfoewhxu/6l06f1kxyxhKdZkrcbaiOMtkJUA9ITAc1mlamh0ooasxkH1XwMbYQ
 245acmwXaWET20H0GeAGP+7vow=
 246=agpO
 247-----END PGP SIGNATURE-----
 248'
 249test_expect_success 'Tag name filtering strips gpg signature' '
 250        sha1=$(git rev-parse HEAD) &&
 251        sha1t=$(echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | git mktag) &&
 252        git update-ref "refs/tags/S" "$sha1t" &&
 253        echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | head -n 6 > expect &&
 254        git filter-branch -f --tag-name-filter cat &&
 255        git cat-file tag S > actual &&
 256        test_cmp expect actual
 257'
 258
 259test_expect_success 'Tag name filtering allows slashes in tag names' '
 260        git tag -m tag-with-slash X/1 &&
 261        git cat-file tag X/1 | sed -e s,X/1,X/2, > expect &&
 262        git filter-branch -f --tag-name-filter "echo X/2" &&
 263        git cat-file tag X/2 > actual &&
 264        test_cmp expect actual
 265'
 266
 267test_expect_success 'Prune empty commits' '
 268        git rev-list HEAD > expect &&
 269        make_commit to_remove &&
 270        git filter-branch -f --index-filter "git update-index --remove to_remove" --prune-empty HEAD &&
 271        git rev-list HEAD > actual &&
 272        test_cmp expect actual
 273'
 274
 275test_done