#!/bin/sh

test_description='git mv in subdirs'
. ./test-lib.sh

test_expect_success \
    'prepare reference tree' \
    'mkdir path0 path1 &&
     cp ../../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 \
    'adding another file' \
    'cp ../../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 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 &&
        ln -s moved symlink &&
        git add moved symlink &&
        test_must_fail git mv moved symlink &&
        git mv -f moved symlink &&
        ! test -e moved &&
        test -f symlink &&
        test "$(cat symlink)" = 1 &&
        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 &&
        ln -s moved symlink &&
        git add moved symlink &&
        test_must_fail git mv symlink moved &&
        git mv -f symlink moved &&
        ! test -e symlink &&
        test -h moved &&
        git diff-files --quiet

'

rm -f moved symlink

test_done