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
   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 $1
  13}
  14
  15test_expect_success 'setup' '
  16        make_commit A
  17        make_commit B
  18        git checkout -b branch B
  19        make_commit D
  20        make_commit E
  21        git checkout master
  22        make_commit C
  23        git checkout branch
  24        git merge C
  25        git tag F
  26        make_commit G
  27        make_commit H
  28'
  29
  30H=$(git rev-parse H)
  31
  32test_expect_success 'rewrite identically' '
  33        git-filter-branch H2
  34'
  35
  36test_expect_success 'result is really identical' '
  37        test $H = $(git rev-parse H2)
  38'
  39
  40test_expect_success 'rewrite, renaming a specific file' '
  41        git-filter-branch --tree-filter "mv d doh || :" H3
  42'
  43
  44test_expect_success 'test that the file was renamed' '
  45        test d = $(git show H3:doh)
  46'
  47
  48git tag oldD H3~4
  49test_expect_success 'rewrite one branch, keeping a side branch' '
  50        git-filter-branch --tree-filter "mv b boh || :" modD D..oldD
  51'
  52
  53test_expect_success 'common ancestor is still common (unchanged)' '
  54        test "$(git merge-base modD D)" = "$(git rev-parse B)"
  55'
  56
  57test_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
  75test_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
  81test_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
  95test_expect_success 'subdirectory filter result looks okay' '
  96        test 3 = $(git rev-list -1 --parents sub-master | wc -w) &&
  97        git show sub-master^:new &&
  98        git show sub-master^2:new &&
  99        ! git show sub:subdir
 100'
 101
 102test_expect_success 'use index-filter to move into a subdirectory' '
 103        git-filter-branch --index-filter \
 104                 "git ls-files -s | sed \"s-\\t-&newsubdir/-\" |
 105                  GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
 106                        git update-index --index-info &&
 107                  mv \$GIT_INDEX_FILE.new \$GIT_INDEX_FILE" directorymoved &&
 108        test -z "$(git diff HEAD directorymoved:newsubdir)"'
 109
 110test_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
 116test_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 = $(git rev-list --author="B V Uips" preserved-author | wc -l)
 126'
 127
 128test_expect_success "remove a certain author's commits" '
 129        echo i > i &&
 130        test_tick &&
 131        git commit -m i i &&
 132        git-filter-branch --commit-filter "\
 133                if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
 134                then\
 135                        shift;\
 136                        while [ -n \"\$1\" ];\
 137                        do\
 138                                shift;\
 139                                echo \"\$1\";\
 140                                shift;\
 141                        done;\
 142                else\
 143                        git commit-tree \"\$@\";\
 144                fi" removed-author &&
 145        cnt1=$(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
 151test_done