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git/t/t7001-mv.sh
Jens Lehmann 0656781fad mv: update the path entry in .gitmodules for moved submodules
Currently using "git mv" on a submodule moves the submodule's work tree in
that of the superproject. But the submodule's path setting in .gitmodules
is left untouched, which is now inconsistent with the work tree and makes
git commands that rely on the proper path -> name mapping (like status and
diff) behave strangely.

Let "git mv" help here by not only moving the submodule's work tree but
also updating the "submodule.<submodule name>.path" setting from the
.gitmodules file and stage both. This doesn't happen when no .gitmodules
file is found and only issues a warning when it doesn't have a section for
this submodule. This is because the user might just use plain gitlinks
without the .gitmodules file or has already updated the path setting by
hand before issuing the "git mv" command (in which case the warning
reminds him that mv would have done that for him). Only when .gitmodules
is found and contains merge conflicts the mv command will fail and tell
the user to resolve the conflict before trying again.

Also extend the man page to inform the user about this new feature.

Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-08-06 14:10:35 -07:00

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#!/bin/sh
test_description='git mv in subdirs'
. ./test-lib.sh
test_expect_success \
'prepare reference tree' \
'mkdir path0 path1 &&
cp "$TEST_DIRECTORY"/../COPYING path0/COPYING &&
git add path0/COPYING &&
git commit -m add -a'
test_expect_success \
'moving the file out of subdirectory' \
'cd path0 && git mv COPYING ../path1/COPYING'
# in path0 currently
test_expect_success \
'commiting the change' \
'cd .. && git commit -m move-out -a'
test_expect_success \
'checking the commit' \
'git diff-tree -r -M --name-status HEAD^ HEAD | \
grep "^R100..*path0/COPYING..*path1/COPYING"'
test_expect_success \
'moving the file back into subdirectory' \
'cd path0 && git mv ../path1/COPYING COPYING'
# in path0 currently
test_expect_success \
'commiting the change' \
'cd .. && git commit -m move-in -a'
test_expect_success \
'checking the commit' \
'git diff-tree -r -M --name-status HEAD^ HEAD | \
grep "^R100..*path1/COPYING..*path0/COPYING"'
test_expect_success \
'checking -k on non-existing file' \
'git mv -k idontexist path0'
test_expect_success \
'checking -k on untracked file' \
'touch untracked1 &&
git mv -k untracked1 path0 &&
test -f untracked1 &&
test ! -f path0/untracked1'
test_expect_success \
'checking -k on multiple untracked files' \
'touch untracked2 &&
git mv -k untracked1 untracked2 path0 &&
test -f untracked1 &&
test -f untracked2 &&
test ! -f path0/untracked1 &&
test ! -f path0/untracked2'
test_expect_success \
'checking -f on untracked file with existing target' \
'touch path0/untracked1 &&
test_must_fail git mv -f untracked1 path0 &&
test ! -f .git/index.lock &&
test -f untracked1 &&
test -f path0/untracked1'
# clean up the mess in case bad things happen
rm -f idontexist untracked1 untracked2 \
path0/idontexist path0/untracked1 path0/untracked2 \
.git/index.lock
test_expect_success \
'adding another file' \
'cp "$TEST_DIRECTORY"/../README path0/README &&
git add path0/README &&
git commit -m add2 -a'
test_expect_success \
'moving whole subdirectory' \
'git mv path0 path2'
test_expect_success \
'commiting the change' \
'git commit -m dir-move -a'
test_expect_success \
'checking the commit' \
'git diff-tree -r -M --name-status HEAD^ HEAD | \
grep "^R100..*path0/COPYING..*path2/COPYING" &&
git diff-tree -r -M --name-status HEAD^ HEAD | \
grep "^R100..*path0/README..*path2/README"'
test_expect_success \
'succeed when source is a prefix of destination' \
'git mv path2/COPYING path2/COPYING-renamed'
test_expect_success \
'moving whole subdirectory into subdirectory' \
'git mv path2 path1'
test_expect_success \
'commiting the change' \
'git commit -m dir-move -a'
test_expect_success \
'checking the commit' \
'git diff-tree -r -M --name-status HEAD^ HEAD | \
grep "^R100..*path2/COPYING..*path1/path2/COPYING" &&
git diff-tree -r -M --name-status HEAD^ HEAD | \
grep "^R100..*path2/README..*path1/path2/README"'
test_expect_success \
'do not move directory over existing directory' \
'mkdir path0 && mkdir path0/path2 && test_must_fail git mv path2 path0'
test_expect_success \
'move into "."' \
'git mv path1/path2/ .'
test_expect_success "Michael Cassar's test case" '
rm -fr .git papers partA &&
git init &&
mkdir -p papers/unsorted papers/all-papers partA &&
echo a > papers/unsorted/Thesis.pdf &&
echo b > partA/outline.txt &&
echo c > papers/unsorted/_another &&
git add papers partA &&
T1=`git write-tree` &&
git mv papers/unsorted/Thesis.pdf papers/all-papers/moo-blah.pdf &&
T=`git write-tree` &&
git ls-tree -r $T | grep partA/outline.txt || {
git ls-tree -r $T
(exit 1)
}
'
rm -fr papers partA path?
test_expect_success "Sergey Vlasov's test case" '
rm -fr .git &&
git init &&
mkdir ab &&
date >ab.c &&
date >ab/d &&
git add ab.c ab &&
git commit -m 'initial' &&
git mv ab a
'
test_expect_success 'absolute pathname' '(
rm -fr mine &&
mkdir mine &&
cd mine &&
test_create_repo one &&
cd one &&
mkdir sub &&
>sub/file &&
git add sub/file &&
git mv sub "$(pwd)/in" &&
! test -d sub &&
test -d in &&
git ls-files --error-unmatch in/file
)'
test_expect_success 'absolute pathname outside should fail' '(
rm -fr mine &&
mkdir mine &&
cd mine &&
out=$(pwd) &&
test_create_repo one &&
cd one &&
mkdir sub &&
>sub/file &&
git add sub/file &&
test_must_fail git mv sub "$out/out" &&
test -d sub &&
! test -d ../in &&
git ls-files --error-unmatch sub/file
)'
test_expect_success 'git mv to move multiple sources into a directory' '
rm -fr .git && git init &&
mkdir dir other &&
>dir/a.txt &&
>dir/b.txt &&
git add dir/?.txt &&
git mv dir/a.txt dir/b.txt other &&
git ls-files >actual &&
{ echo other/a.txt; echo other/b.txt; } >expect &&
test_cmp expect actual
'
test_expect_success 'git mv should not change sha1 of moved cache entry' '
rm -fr .git &&
git init &&
echo 1 >dirty &&
git add dirty &&
entry="$(git ls-files --stage dirty | cut -f 1)" &&
git mv dirty dirty2 &&
[ "$entry" = "$(git ls-files --stage dirty2 | cut -f 1)" ] &&
echo 2 >dirty2 &&
git mv dirty2 dirty &&
[ "$entry" = "$(git ls-files --stage dirty | cut -f 1)" ]
'
rm -f dirty dirty2
test_expect_success 'git mv should overwrite symlink to a file' '
rm -fr .git &&
git init &&
echo 1 >moved &&
test_ln_s_add moved symlink &&
git add moved &&
test_must_fail git mv moved symlink &&
git mv -f moved symlink &&
! test -e moved &&
test -f symlink &&
test "$(cat symlink)" = 1 &&
git update-index --refresh &&
git diff-files --quiet
'
rm -f moved symlink
test_expect_success 'git mv should overwrite file with a symlink' '
rm -fr .git &&
git init &&
echo 1 >moved &&
test_ln_s_add moved symlink &&
git add moved &&
test_must_fail git mv symlink moved &&
git mv -f symlink moved &&
! test -e symlink &&
git update-index --refresh &&
git diff-files --quiet
'
test_expect_success SYMLINKS 'check moved symlink' '
test -h moved
'
rm -f moved symlink
test_expect_success 'setup submodule' '
git commit -m initial &&
git reset --hard &&
git submodule add ./. sub &&
echo content >file &&
git add file &&
git commit -m "added sub and file"
'
test_expect_success 'git mv cannot move a submodule in a file' '
test_must_fail git mv sub file
'
test_expect_success 'git mv moves a submodule with a .git directory and no .gitmodules' '
entry="$(git ls-files --stage sub | cut -f 1)" &&
git rm .gitmodules &&
(
cd sub &&
rm -f .git &&
cp -a ../.git/modules/sub .git &&
GIT_WORK_TREE=. git config --unset core.worktree
) &&
mkdir mod &&
git mv sub mod/sub &&
! test -e sub &&
[ "$entry" = "$(git ls-files --stage mod/sub | cut -f 1)" ] &&
(
cd mod/sub &&
git status
) &&
git update-index --refresh &&
git diff-files --quiet
'
test_expect_success 'git mv moves a submodule with gitfile' '
rm -rf mod/sub &&
git reset --hard &&
git submodule update &&
entry="$(git ls-files --stage sub | cut -f 1)" &&
(
cd mod &&
git mv ../sub/ .
) &&
! test -e sub &&
[ "$entry" = "$(git ls-files --stage mod/sub | cut -f 1)" ] &&
(
cd mod/sub &&
git status
) &&
echo mod/sub >expected &&
git config -f .gitmodules submodule.sub.path >actual &&
test_cmp expected actual &&
git update-index --refresh &&
git diff-files --quiet
'
test_expect_success 'mv does not complain when no .gitmodules file is found' '
rm -rf mod/sub &&
git reset --hard &&
git submodule update &&
git rm .gitmodules &&
entry="$(git ls-files --stage sub | cut -f 1)" &&
git mv sub mod/sub 2>actual.err &&
! test -s actual.err &&
! test -e sub &&
[ "$entry" = "$(git ls-files --stage mod/sub | cut -f 1)" ] &&
(
cd mod/sub &&
git status
) &&
git update-index --refresh &&
git diff-files --quiet
'
test_expect_success 'mv will error out on a modified .gitmodules file unless staged' '
rm -rf mod/sub &&
git reset --hard &&
git submodule update &&
git config -f .gitmodules foo.bar true &&
entry="$(git ls-files --stage sub | cut -f 1)" &&
test_must_fail git mv sub mod/sub 2>actual.err &&
test -s actual.err &&
test -e sub &&
git diff-files --quiet -- sub &&
git add .gitmodules &&
git mv sub mod/sub 2>actual.err &&
! test -s actual.err &&
! test -e sub &&
[ "$entry" = "$(git ls-files --stage mod/sub | cut -f 1)" ] &&
(
cd mod/sub &&
git status
) &&
git update-index --refresh &&
git diff-files --quiet
'
test_expect_success 'mv issues a warning when section is not found in .gitmodules' '
rm -rf mod/sub &&
git reset --hard &&
git submodule update &&
git config -f .gitmodules --remove-section submodule.sub &&
git add .gitmodules &&
entry="$(git ls-files --stage sub | cut -f 1)" &&
echo "warning: Could not find section in .gitmodules where path=sub" >expect.err &&
git mv sub mod/sub 2>actual.err &&
test_i18ncmp expect.err actual.err &&
! test -e sub &&
[ "$entry" = "$(git ls-files --stage mod/sub | cut -f 1)" ] &&
(
cd mod/sub &&
git status
) &&
git update-index --refresh &&
git diff-files --quiet
'
test_expect_success 'mv --dry-run does not touch the submodule or .gitmodules' '
rm -rf mod/sub &&
git reset --hard &&
git submodule update &&
git mv -n sub mod/sub 2>actual.err &&
test -f sub/.git &&
git diff-index --exit-code HEAD &&
git update-index --refresh &&
git diff-files --quiet -- sub .gitmodules
'
test_done