#!/bin/sh

test_description='git p4 filetype tests'

. ./lib-git-p4.sh

test_expect_success 'start p4d' '
        start_p4d
'

#
# This series of tests checks newline handling  Both p4 and
# git store newlines as \n, and have options to choose how
# newlines appear in checked-out files.
#
test_expect_success 'p4 client newlines, unix' '
        (
                cd "$cli" &&
                p4 client -o | sed "/LineEnd/s/:.*/:unix/" | p4 client -i &&
                printf "unix\ncrlf\n" >f-unix &&
                printf "unix\r\ncrlf\r\n" >f-unix-as-crlf &&
                p4 add -t text f-unix &&
                p4 submit -d f-unix &&

                # LineEnd: unix; should be no change after sync
                cp f-unix f-unix-orig &&
                p4 sync -f &&
                test_cmp f-unix-orig f-unix &&

                # make sure stored in repo as unix newlines
                # use sed to eat python-appended newline
                p4 -G print //depot/f-unix | marshal_dump data 2 |\
                    sed \$d >f-unix-p4-print &&
                test_cmp f-unix-orig f-unix-p4-print &&

                # switch to win, make sure lf -> crlf
                p4 client -o | sed "/LineEnd/s/:.*/:win/" | p4 client -i &&
                p4 sync -f &&
                test_cmp f-unix-as-crlf f-unix
        )
'

test_expect_success 'p4 client newlines, win' '
        (
                cd "$cli" &&
                p4 client -o | sed "/LineEnd/s/:.*/:win/" | p4 client -i &&
                printf "win\r\ncrlf\r\n" >f-win &&
                printf "win\ncrlf\n" >f-win-as-lf &&
                p4 add -t text f-win &&
                p4 submit -d f-win &&

                # LineEnd: win; should be no change after sync
                cp f-win f-win-orig &&
                p4 sync -f &&
                test_cmp f-win-orig f-win &&

                # make sure stored in repo as unix newlines
                # use sed to eat python-appened newline
                p4 -G print //depot/f-win | marshal_dump data 2 |\
                    sed \$d >f-win-p4-print &&
                test_cmp f-win-as-lf f-win-p4-print &&

                # switch to unix, make sure lf -> crlf
                p4 client -o | sed "/LineEnd/s/:.*/:unix/" | p4 client -i &&
                p4 sync -f &&
                test_cmp f-win-as-lf f-win
        )
'

test_expect_success 'ensure blobs store only lf newlines' '
        test_when_finished cleanup_git &&
        (
                cd "$git" &&
                git init &&
                git p4 sync //depot@all &&

                # verify the files in .git are stored only with newlines
                o=$(git ls-tree p4/master -- f-unix | cut -f1 | cut -d\  -f3) &&
                git cat-file blob $o >f-unix-blob &&
                test_cmp "$cli"/f-unix-orig f-unix-blob &&

                o=$(git ls-tree p4/master -- f-win | cut -f1 | cut -d\  -f3) &&
                git cat-file blob $o >f-win-blob &&
                test_cmp "$cli"/f-win-as-lf f-win-blob &&

                rm f-unix-blob f-win-blob
        )
'

test_expect_success 'gitattributes setting eol=lf produces lf newlines' '
        test_when_finished cleanup_git &&
        (
                # checkout the files and make sure core.eol works as planned
                cd "$git" &&
                git init &&
                echo "* eol=lf" >.gitattributes &&
                git p4 sync //depot@all &&
                git checkout -b master p4/master &&
                test_cmp "$cli"/f-unix-orig f-unix &&
                test_cmp "$cli"/f-win-as-lf f-win
        )
'

test_expect_success 'gitattributes setting eol=crlf produces crlf newlines' '
        test_when_finished cleanup_git &&
        (
                # checkout the files and make sure core.eol works as planned
                cd "$git" &&
                git init &&
                echo "* eol=crlf" >.gitattributes &&
                git p4 sync //depot@all &&
                git checkout -b master p4/master &&
                test_cmp "$cli"/f-unix-as-crlf f-unix &&
                test_cmp "$cli"/f-win-orig f-win
        )
'

test_expect_success 'crlf cleanup' '
        (
                cd "$cli" &&
                rm f-unix-orig f-unix-as-crlf &&
                rm f-win-orig f-win-as-lf &&
                p4 client -o | sed "/LineEnd/s/:.*/:unix/" | p4 client -i &&
                p4 sync -f
        )
'

test_expect_success 'utf-16 file create' '
        (
                cd "$cli" &&

                # p4 saves this verbatim
                printf "three\nline\ntext\n" >f-ascii &&
                p4 add -t text f-ascii &&

                # p4 adds \377\376 header
                cp f-ascii f-ascii-as-utf16 &&
                p4 add -t utf16 f-ascii-as-utf16 &&

                # p4 saves this exactly as iconv produced it
                printf "three\nline\ntext\n" | iconv -f ascii -t utf-16 >f-utf16 &&
                p4 add -t utf16 f-utf16 &&

                # this also is unchanged
                cp f-utf16 f-utf16-as-text &&
                p4 add -t text f-utf16-as-text &&

                p4 submit -d "f files" &&

                # force update of client files
                p4 sync -f
        )
'

test_expect_success 'utf-16 file test' '
        test_when_finished cleanup_git &&
        git p4 clone --dest="$git" //depot@all &&
        (
                cd "$git" &&

                test_cmp "$cli/f-ascii" f-ascii &&
                test_cmp "$cli/f-ascii-as-utf16" f-ascii-as-utf16 &&
                test_cmp "$cli/f-utf16" f-utf16 &&
                test_cmp "$cli/f-utf16-as-text" f-utf16-as-text
        )
'

test_expect_success 'keyword file create' '
        (
                cd "$cli" &&

                printf "id\n\$Id\$\n\$Author\$\ntext\n" >k-text-k &&
                p4 add -t text+k k-text-k &&

                cp k-text-k k-text-ko &&
                p4 add -t text+ko k-text-ko &&

                cat k-text-k | iconv -f ascii -t utf-16 >k-utf16-k &&
                p4 add -t utf16+k k-utf16-k &&

                cp k-utf16-k k-utf16-ko &&
                p4 add -t utf16+ko k-utf16-ko &&

                p4 submit -d "k files" &&
                p4 sync -f
        )
'

build_smush() {
        cat >k_smush.py <<-\EOF &&
        import re, sys
        sys.stdout.write(re.sub(r'(?i)\$(Id|Header|Author|Date|DateTime|Change|File|Revision):[^$]*\$', r'$\1$', sys.stdin.read()))
        EOF
        cat >ko_smush.py <<-\EOF
        import re, sys
        sys.stdout.write(re.sub(r'(?i)\$(Id|Header):[^$]*\$', r'$\1$', sys.stdin.read()))
        EOF
}

test_expect_success 'keyword file test' '
        build_smush &&
        test_when_finished rm -f k_smush.py ko_smush.py &&
        test_when_finished cleanup_git &&
        git p4 clone --dest="$git" //depot@all &&
        (
                cd "$git" &&

                # text, ensure unexpanded
                "$PYTHON_PATH" "$TRASH_DIRECTORY/k_smush.py" <"$cli/k-text-k" >cli-k-text-k-smush &&
                test_cmp cli-k-text-k-smush k-text-k &&
                "$PYTHON_PATH" "$TRASH_DIRECTORY/ko_smush.py" <"$cli/k-text-ko" >cli-k-text-ko-smush &&
                test_cmp cli-k-text-ko-smush k-text-ko &&

                # utf16, even though p4 expands keywords, git p4 does not
                # try to undo that
                test_cmp "$cli/k-utf16-k" k-utf16-k &&
                test_cmp "$cli/k-utf16-ko" k-utf16-ko
        )
'

build_gendouble() {
        cat >gendouble.py <<-\EOF
        import sys
        import struct

        s = struct.pack(b">LL18s",
                        0x00051607,  # AppleDouble
                        0x00020000,  # version 2
                        b""          # pad to 26 bytes
        )
        getattr(sys.stdout, 'buffer', sys.stdout).write(s)
        EOF
}

test_expect_success 'ignore apple' '
        test_when_finished rm -f gendouble.py &&
        build_gendouble &&
        (
                cd "$cli" &&
                test-tool genrandom apple 1024 >double.png &&
                "$PYTHON_PATH" "$TRASH_DIRECTORY/gendouble.py" >%double.png &&
                p4 add -t apple double.png &&
                p4 submit -d appledouble
        ) &&
        test_when_finished cleanup_git &&
        git p4 clone --dest="$git" //depot@all &&
        (
                cd "$git" &&
                test ! -f double.png
        )
'

test_expect_success SYMLINKS 'create p4 symlink' '
        cd "$cli" &&
        ln -s symlink-target symlink &&
        p4 add symlink &&
        p4 submit -d "add symlink"
'

test_expect_success SYMLINKS 'ensure p4 symlink parsed correctly' '
        test_when_finished cleanup_git &&
        git p4 clone --dest="$git" //depot@all &&
        (
                cd "$git" &&
                test -L symlink &&
                test $(readlink symlink) = symlink-target
        )
'

test_expect_success SYMLINKS 'empty symlink target' '
        (
                # first create the file as a file
                cd "$cli" &&
                >empty-symlink &&
                p4 add empty-symlink &&
                p4 submit -d "add empty-symlink as a file"
        ) &&
        (
                # now change it to be a symlink to "target1"
                cd "$cli" &&
                p4 edit empty-symlink &&
                p4 reopen -t symlink empty-symlink &&
                rm empty-symlink &&
                ln -s target1 empty-symlink &&
                p4 add empty-symlink &&
                p4 submit -d "make empty-symlink point to target1"
        ) &&
        (
                # Hack the p4 depot to make the symlink point to nothing;
                # this should not happen in reality, but shows up
                # in p4 repos in the wild.
                #
                # The sed expression changes this:
                #     @@
                #     text
                #     @target1
                #     @
                # to this:
                #     @@
                #     text
                #     @@
                #
                cd "$db/depot" &&
                sed "/@target1/{; s/target1/@/; n; d; }" \
                    empty-symlink,v >empty-symlink,v.tmp &&
                mv empty-symlink,v.tmp empty-symlink,v
        ) &&
        (
                # Make sure symlink really is empty.  Asking
                # p4 to sync here will make it generate errors.
                cd "$cli" &&
                p4 print -q //depot/empty-symlink#2 >out &&
                test_must_be_empty out
        ) &&
        test_when_finished cleanup_git &&

        # make sure git p4 handles it without error
        git p4 clone --dest="$git" //depot@all &&

        # fix the symlink, make it point to "target2"
        (
                cd "$cli" &&
                p4 open empty-symlink &&
                rm empty-symlink &&
                ln -s target2 empty-symlink &&
                p4 submit -d "make empty-symlink point to target2"
        ) &&
        cleanup_git &&
        git p4 clone --dest="$git" //depot@all &&
        (
                cd "$git" &&
                test $(readlink empty-symlink) = target2
        )
'

test_done