Andrew's git - gitweb.git/blob - t/t7003-filter-branch.sh

   1#!/bin/sh
   2
   3test_description='git filter-branch'
   4. ./test-lib.sh
   5
   6test_expect_success 'setup' '
   7        test_commit A &&
   8        GIT_COMMITTER_DATE="@0 +0000" GIT_AUTHOR_DATE="@0 +0000" &&
   9        test_commit --notick B &&
  10        git checkout -b branch B &&
  11        test_commit D &&
  12        mkdir dir &&
  13        test_commit dir/D &&
  14        test_commit E &&
  15        git checkout master &&
  16        test_commit C &&
  17        git checkout branch &&
  18        git merge C &&
  19        git tag F &&
  20        test_commit G &&
  21        test_commit H
  22'
  23# * (HEAD, branch) H
  24# * G
  25# *   Merge commit 'C' into branch
  26# |\
  27# | * (master) C
  28# * | E
  29# * | dir/D
  30# * | D
  31# |/
  32# * B
  33# * A
  34
  35
  36H=$(git rev-parse H)
  37
  38test_expect_success 'rewrite identically' '
  39        git filter-branch branch
  40'
  41test_expect_success 'result is really identical' '
  42        test $H = $(git rev-parse HEAD)
  43'
  44
  45test_expect_success 'rewrite bare repository identically' '
  46        (git config core.bare true && cd .git &&
  47         git filter-branch branch > filter-output 2>&1 &&
  48        ! fgrep fatal filter-output)
  49'
  50git config core.bare false
  51test_expect_success 'result is really identical' '
  52        test $H = $(git rev-parse HEAD)
  53'
  54
  55TRASHDIR=$(pwd)
  56test_expect_success 'correct GIT_DIR while using -d' '
  57        mkdir drepo &&
  58        ( cd drepo &&
  59        git init &&
  60        test_commit drepo &&
  61        git filter-branch -d "$TRASHDIR/dfoo" \
  62                --index-filter "cp \"$TRASHDIR\"/dfoo/backup-refs \"$TRASHDIR\"" \
  63        ) &&
  64        grep drepo "$TRASHDIR/backup-refs"
  65'
  66
  67test_expect_success 'Fail if commit filter fails' '
  68        test_must_fail git filter-branch -f --commit-filter "exit 1" HEAD
  69'
  70
  71test_expect_success 'rewrite, renaming a specific file' '
  72        git filter-branch -f --tree-filter "mv D.t doh || :" HEAD
  73'
  74
  75test_expect_success 'test that the file was renamed' '
  76        test D = "$(git show HEAD:doh --)" &&
  77        ! test -f D.t &&
  78        test -f doh &&
  79        test D = "$(cat doh)"
  80'
  81
  82test_expect_success 'rewrite, renaming a specific directory' '
  83        git filter-branch -f --tree-filter "mv dir diroh || :" HEAD
  84'
  85
  86test_expect_success 'test that the directory was renamed' '
  87        test dir/D = "$(git show HEAD:diroh/D.t --)" &&
  88        ! test -d dir &&
  89        test -d diroh &&
  90        ! test -d diroh/dir &&
  91        test -f diroh/D.t &&
  92        test dir/D = "$(cat diroh/D.t)"
  93'
  94
  95git tag oldD HEAD~4
  96test_expect_success 'rewrite one branch, keeping a side branch' '
  97        git branch modD oldD &&
  98        git filter-branch -f --tree-filter "mv B.t boh || :" D..modD
  99'
 100
 101test_expect_success 'common ancestor is still common (unchanged)' '
 102        test "$(git merge-base modD D)" = "$(git rev-parse B)"
 103'
 104
 105test_expect_success 'filter subdirectory only' '
 106        mkdir subdir &&
 107        touch subdir/new &&
 108        git add subdir/new &&
 109        test_tick &&
 110        git commit -m "subdir" &&
 111        echo H > A.t &&
 112        test_tick &&
 113        git commit -m "not subdir" A.t &&
 114        echo A > subdir/new &&
 115        test_tick &&
 116        git commit -m "again subdir" subdir/new &&
 117        git rm A.t &&
 118        test_tick &&
 119        git commit -m "again not subdir" &&
 120        git branch sub &&
 121        git branch sub-earlier HEAD~2 &&
 122        git filter-branch -f --subdirectory-filter subdir \
 123                refs/heads/sub refs/heads/sub-earlier
 124'
 125
 126test_expect_success 'subdirectory filter result looks okay' '
 127        test 2 = $(git rev-list sub | wc -l) &&
 128        git show sub:new &&
 129        test_must_fail git show sub:subdir &&
 130        git show sub-earlier:new &&
 131        test_must_fail git show sub-earlier:subdir
 132'
 133
 134test_expect_success 'more setup' '
 135        git checkout master &&
 136        mkdir subdir &&
 137        echo A > subdir/new &&
 138        git add subdir/new &&
 139        test_tick &&
 140        git commit -m "subdir on master" subdir/new &&
 141        git rm A.t &&
 142        test_tick &&
 143        git commit -m "again subdir on master" &&
 144        git merge branch
 145'
 146
 147test_expect_success 'use index-filter to move into a subdirectory' '
 148        git branch directorymoved &&
 149        git filter-branch -f --index-filter \
 150                 "git ls-files -s | sed \"s-    -&newsubdir/-\" |
 151                  GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
 152                        git update-index --index-info &&
 153                  mv \"\$GIT_INDEX_FILE.new\" \"\$GIT_INDEX_FILE\"" directorymoved &&
 154        git diff --exit-code HEAD directorymoved:newsubdir
 155'
 156
 157test_expect_success 'stops when msg filter fails' '
 158        old=$(git rev-parse HEAD) &&
 159        test_must_fail git filter-branch -f --msg-filter false HEAD &&
 160        test $old = $(git rev-parse HEAD) &&
 161        rm -rf .git-rewrite
 162'
 163
 164test_expect_success 'author information is preserved' '
 165        : > i &&
 166        git add i &&
 167        test_tick &&
 168        GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips &&
 169        git branch preserved-author &&
 170        (sane_unset GIT_AUTHOR_NAME &&
 171         git filter-branch -f --msg-filter "cat; \
 172                        test \$GIT_COMMIT != $(git rev-parse master) || \
 173                        echo Hallo" \
 174                preserved-author) &&
 175        test 1 = $(git rev-list --author="B V Uips" preserved-author | wc -l)
 176'
 177
 178test_expect_success "remove a certain author's commits" '
 179        echo i > i &&
 180        test_tick &&
 181        git commit -m i i &&
 182        git branch removed-author &&
 183        git filter-branch -f --commit-filter "\
 184                if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
 185                then\
 186                        skip_commit \"\$@\";
 187                else\
 188                        git commit-tree \"\$@\";\
 189                fi" removed-author &&
 190        cnt1=$(git rev-list master | wc -l) &&
 191        cnt2=$(git rev-list removed-author | wc -l) &&
 192        test $cnt1 -eq $(($cnt2 + 1)) &&
 193        test 0 = $(git rev-list --author="B V Uips" removed-author | wc -l)
 194'
 195
 196test_expect_success 'barf on invalid name' '
 197        test_must_fail git filter-branch -f master xy-problem &&
 198        test_must_fail git filter-branch -f HEAD^
 199'
 200
 201test_expect_success '"map" works in commit filter' '
 202        git filter-branch -f --commit-filter "\
 203                parent=\$(git rev-parse \$GIT_COMMIT^) &&
 204                mapped=\$(map \$parent) &&
 205                actual=\$(echo \"\$@\" | sed \"s/^.*-p //\") &&
 206                test \$mapped = \$actual &&
 207                git commit-tree \"\$@\";" master~2..master &&
 208        git rev-parse --verify master
 209'
 210
 211test_expect_success 'Name needing quotes' '
 212
 213        git checkout -b rerere A &&
 214        mkdir foo &&
 215        name="れれれ" &&
 216        >foo/$name &&
 217        git add foo &&
 218        git commit -m "Adding a file" &&
 219        git filter-branch --tree-filter "rm -fr foo" &&
 220        test_must_fail git ls-files --error-unmatch "foo/$name" &&
 221        test $(git rev-parse --verify rerere) != $(git rev-parse --verify A)
 222
 223'
 224
 225test_expect_success 'Subdirectory filter with disappearing trees' '
 226        git reset --hard &&
 227        git checkout master &&
 228
 229        mkdir foo &&
 230        touch foo/bar &&
 231        git add foo &&
 232        test_tick &&
 233        git commit -m "Adding foo" &&
 234
 235        git rm -r foo &&
 236        test_tick &&
 237        git commit -m "Removing foo" &&
 238
 239        mkdir foo &&
 240        touch foo/bar &&
 241        git add foo &&
 242        test_tick &&
 243        git commit -m "Re-adding foo" &&
 244
 245        git filter-branch -f --subdirectory-filter foo &&
 246        test $(git rev-list master | wc -l) = 3
 247'
 248
 249test_expect_success 'Tag name filtering retains tag message' '
 250        git tag -m atag T &&
 251        git cat-file tag T > expect &&
 252        git filter-branch -f --tag-name-filter cat &&
 253        git cat-file tag T > actual &&
 254        test_cmp expect actual
 255'
 256
 257faux_gpg_tag='object XXXXXX
 258type commit
 259tag S
 260tagger T A Gger <tagger@example.com> 1206026339 -0500
 261
 262This is a faux gpg signed tag.
 263-----BEGIN PGP SIGNATURE-----
 264Version: FauxGPG v0.0.0 (FAUX/Linux)
 265
 266gdsfoewhxu/6l06f1kxyxhKdZkrcbaiOMtkJUA9ITAc1mlamh0ooasxkH1XwMbYQ
 267acmwXaWET20H0GeAGP+7vow=
 268=agpO
 269-----END PGP SIGNATURE-----
 270'
 271test_expect_success 'Tag name filtering strips gpg signature' '
 272        sha1=$(git rev-parse HEAD) &&
 273        sha1t=$(echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | git mktag) &&
 274        git update-ref "refs/tags/S" "$sha1t" &&
 275        echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | head -n 6 > expect &&
 276        git filter-branch -f --tag-name-filter cat &&
 277        git cat-file tag S > actual &&
 278        test_cmp expect actual
 279'
 280
 281test_expect_success 'Tag name filtering allows slashes in tag names' '
 282        git tag -m tag-with-slash X/1 &&
 283        git cat-file tag X/1 | sed -e s,X/1,X/2, > expect &&
 284        git filter-branch -f --tag-name-filter "echo X/2" &&
 285        git cat-file tag X/2 > actual &&
 286        test_cmp expect actual
 287'
 288
 289test_expect_success 'Prune empty commits' '
 290        git rev-list HEAD > expect &&
 291        test_commit to_remove &&
 292        git filter-branch -f --index-filter "git update-index --remove to_remove.t" --prune-empty HEAD &&
 293        git rev-list HEAD > actual &&
 294        test_cmp expect actual
 295'
 296
 297test_expect_success '--remap-to-ancestor with filename filters' '
 298        git checkout master &&
 299        git reset --hard A &&
 300        test_commit add-foo foo 1 &&
 301        git branch moved-foo &&
 302        test_commit add-bar bar a &&
 303        git branch invariant &&
 304        orig_invariant=$(git rev-parse invariant) &&
 305        git branch moved-bar &&
 306        test_commit change-foo foo 2 &&
 307        git filter-branch -f --remap-to-ancestor \
 308                moved-foo moved-bar A..master \
 309                -- -- foo &&
 310        test $(git rev-parse moved-foo) = $(git rev-parse moved-bar) &&
 311        test $(git rev-parse moved-foo) = $(git rev-parse master^) &&
 312        test $orig_invariant = $(git rev-parse invariant)
 313'
 314
 315test_expect_success 'automatic remapping to ancestor with filename filters' '
 316        git checkout master &&
 317        git reset --hard A &&
 318        test_commit add-foo2 foo 1 &&
 319        git branch moved-foo2 &&
 320        test_commit add-bar2 bar a &&
 321        git branch invariant2 &&
 322        orig_invariant=$(git rev-parse invariant2) &&
 323        git branch moved-bar2 &&
 324        test_commit change-foo2 foo 2 &&
 325        git filter-branch -f \
 326                moved-foo2 moved-bar2 A..master \
 327                -- -- foo &&
 328        test $(git rev-parse moved-foo2) = $(git rev-parse moved-bar2) &&
 329        test $(git rev-parse moved-foo2) = $(git rev-parse master^) &&
 330        test $orig_invariant = $(git rev-parse invariant2)
 331'
 332
 333test_expect_success 'setup submodule' '
 334        rm -fr ?* .git &&
 335        git init &&
 336        test_commit file &&
 337        mkdir submod &&
 338        submodurl="$PWD/submod" &&
 339        ( cd submod &&
 340          git init &&
 341          test_commit file-in-submod ) &&
 342        git submodule add "$submodurl" &&
 343        git commit -m "added submodule" &&
 344        test_commit add-file &&
 345        ( cd submod && test_commit add-in-submodule ) &&
 346        git add submod &&
 347        git commit -m "changed submodule" &&
 348        git branch original HEAD
 349'
 350
 351orig_head=`git show-ref --hash --head HEAD`
 352
 353test_expect_success 'rewrite submodule with another content' '
 354        git filter-branch --tree-filter "test -d submod && {
 355                                         rm -rf submod &&
 356                                         git rm -rf --quiet submod &&
 357                                         mkdir submod &&
 358                                         : > submod/file
 359                                         } || :" HEAD &&
 360        test $orig_head != `git show-ref --hash --head HEAD`
 361'
 362
 363test_expect_success 'replace submodule revision' '
 364        git reset --hard original &&
 365        git filter-branch -f --tree-filter \
 366            "if git ls-files --error-unmatch -- submod > /dev/null 2>&1
 367             then git update-index --cacheinfo 160000 0123456789012345678901234567890123456789 submod
 368             fi" HEAD &&
 369        test $orig_head != `git show-ref --hash --head HEAD`
 370'
 371
 372test_done