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git/t/t7003-filter-branch.sh
Johannes Schindelin f6b78c6eb6 filter-branch: add a test for the commit removal example
In the man page, there is an example which describes how to remove
single commits (although it keeps the changes which were not reverted
in the next non-removed commit). Better make sure that it works as
expected.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-07-03 21:44:16 -07:00

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#!/bin/sh
test_description='git-filter-branch'
. ./test-lib.sh
make_commit () {
lower=$(echo $1 | tr A-Z a-z)
echo $lower > $lower
git add $lower
test_tick
git commit -m $1
git tag $1
}
test_expect_success 'setup' '
make_commit A
make_commit B
git checkout -b branch B
make_commit D
make_commit E
git checkout master
make_commit C
git checkout branch
git merge C
git tag F
make_commit G
make_commit H
'
H=$(git rev-parse H)
test_expect_success 'rewrite identically' '
git-filter-branch H2
'
test_expect_success 'result is really identical' '
test $H = $(git rev-parse H2)
'
test_expect_success 'rewrite, renaming a specific file' '
git-filter-branch --tree-filter "mv d doh || :" H3
'
test_expect_success 'test that the file was renamed' '
test d = $(git show H3:doh)
'
git tag oldD H3~4
test_expect_success 'rewrite one branch, keeping a side branch' '
git-filter-branch --tree-filter "mv b boh || :" modD D..oldD
'
test_expect_success 'common ancestor is still common (unchanged)' '
test "$(git merge-base modD D)" = "$(git rev-parse B)"
'
test_expect_success 'filter subdirectory only' '
mkdir subdir &&
touch subdir/new &&
git add subdir/new &&
test_tick &&
git commit -m "subdir" &&
echo H > a &&
test_tick &&
git commit -m "not subdir" a &&
echo A > subdir/new &&
test_tick &&
git commit -m "again subdir" subdir/new &&
git rm a &&
test_tick &&
git commit -m "again not subdir" &&
git-filter-branch --subdirectory-filter subdir sub
'
test_expect_success 'subdirectory filter result looks okay' '
test 2 = $(git rev-list sub | wc -l) &&
git show sub:new &&
! git show sub:subdir
'
test_expect_success 'setup and filter history that requires --full-history' '
git checkout master &&
mkdir subdir &&
echo A > subdir/new &&
git add subdir/new &&
test_tick &&
git commit -m "subdir on master" subdir/new &&
git rm a &&
test_tick &&
git commit -m "again subdir on master" &&
git merge branch &&
git-filter-branch --subdirectory-filter subdir sub-master
'
test_expect_success 'subdirectory filter result looks okay' '
test 3 = $(git rev-list -1 --parents sub-master | wc -w) &&
git show sub-master^:new &&
git show sub-master^2:new &&
! git show sub:subdir
'
test_expect_success 'use index-filter to move into a subdirectory' '
git-filter-branch --index-filter \
"git ls-files -s | sed \"s-\\t-&newsubdir/-\" |
GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
git update-index --index-info &&
mv \$GIT_INDEX_FILE.new \$GIT_INDEX_FILE" directorymoved &&
test -z "$(git diff HEAD directorymoved:newsubdir)"'
test_expect_success 'author information is preserved' '
: > i &&
git add i &&
test_tick &&
GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips &&
git-filter-branch --msg-filter "cat; \
test \$GIT_COMMIT = $(git rev-parse master) && \
echo Hallo" \
preserved-author &&
test 1 = $(git rev-list --author="B V Uips" preserved-author | wc -l)
'
test_expect_success "remove a certain author's commits" '
echo i > i &&
test_tick &&
git commit -m i i &&
git-filter-branch --commit-filter "\
if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
then\
shift;\
while [ -n \"\$1\" ];\
do\
shift;\
echo \"\$1\";\
shift;\
done;\
else\
git commit-tree \"\$@\";\
fi" removed-author &&
cnt1=$(git rev-list master | wc -l) &&
cnt2=$(git rev-list removed-author | wc -l) &&
test $cnt1 -eq $(($cnt2 + 1)) &&
test 0 = $(git rev-list --author="B V Uips" removed-author | wc -l)
'
test_done