#!/bin/sh

cat > $HGRCPATH <<EOF
[diff]
git = True
EOF

cat > switch-eol.py <<EOF
import sys

try:
    import os, msvcrt
    msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
except ImportError:
    pass

(old, new) = sys.argv[1] == 'LF' and ('\n', '\r\n') or ('\r\n', '\n')
print "%% switching encoding from %r to %r" % (old, new)
for path in sys.argv[2:]:
    data = file(path, 'rb').read()
    data = data.replace(old, new)
    file(path, 'wb').write(data)
EOF

seteol () {
    if [ $1 = "LF" ]; then
        EOL='\n'
    else
        EOL='\r\n'
    fi
}

makerepo () {
    seteol $1
    echo "% setup $1 repository"
    hg init repo
    cd repo

    cat > .hgeol <<EOF
[repository]
native = $1

[patterns]
mixed.txt = BIN
**.txt = native
EOF

    printf "first${EOL}second${EOL}third${EOL}" > a.txt
    hg commit --addremove -m 'checkin'
    echo
    cd ..
}

dotest () {
    seteol $1
    echo "% hg clone repo repo-$1"
    hg clone --noupdate repo repo-$1
    cd repo-$1

    cat > .hg/hgrc <<EOF
[extensions]
eol =

[eol]
native = $1
EOF

    hg update
    echo '% printrepr.py a.txt'
    python $TESTDIR/printrepr.py < a.txt
    echo '% hg cat a.txt'
    hg cat a.txt | python $TESTDIR/printrepr.py

    printf "fourth${EOL}" >> a.txt
    echo '% printrepr.py a.txt'
    python $TESTDIR/printrepr.py < a.txt
    hg diff | python $TESTDIR/printrepr.py

    python ../switch-eol.py $1 a.txt
    echo '% hg diff only reports a single changed line:'
    hg diff | python $TESTDIR/printrepr.py

    echo "% reverting back to $1 format"
    hg revert a.txt
    python $TESTDIR/printrepr.py < a.txt

    printf "first\r\nsecond\n" > mixed.txt
    hg add mixed.txt
    echo "% hg commit of inconsistent .txt file marked as binary (should work)"
    hg commit -m 'binary file'

    echo "% hg commit of inconsistent .txt file marked as native (should fail)"
    printf "first\nsecond\r\nthird\nfourth\r\n" > a.txt
    hg commit -m 'inconsistent file'

    echo "% hg commit --config eol.only-consistent=False (should work)"
    hg commit --config eol.only-consistent=False -m 'inconsistent file'

    echo "% hg commit of binary .txt file marked as native (binary files always okay)"
    printf "first${EOL}\0${EOL}third${EOL}" > a.txt
    hg commit -m 'binary file'

    cd ..
    rm -r repo-$1
}

makerepo LF
dotest LF
dotest CRLF
rm -r repo

makerepo CRLF
dotest LF
dotest CRLF
rm -r repo


makemixedrepo () {
    echo
    echo "# setup $1 repository"
    hg init mixed
    cd mixed
    printf "foo\r\nbar\r\nbaz\r\n" > win.txt
    printf "foo\nbar\nbaz\n" > unix.txt
    #printf "foo\r\nbar\nbaz\r\n" > mixed.txt

    hg commit --addremove -m 'created mixed files'

    echo "# setting repository-native EOLs to $1"
    cat > .hgeol <<EOF
[repository]
native = $1

[patterns]
**.txt = native
EOF
    hg commit --addremove -m 'added .hgeol'
    cd ..
}

testmixed () {
    echo
    echo "% hg clone mixed mixed-$1"
    hg clone mixed mixed-$1
    cd mixed-$1

    echo '% hg status (eol extension not yet activated)'
    hg status

    cat > .hg/hgrc <<EOF
[extensions]
eol =

[eol]
native = $1
EOF

    echo '% hg status (eol activated)'
    hg status
    echo '% hg commit'
    hg commit -m 'synchronized EOLs'

    echo '% hg status'
    hg status

    cd ..
    rm -r mixed-$1
}

makemixedrepo LF
testmixed LF
testmixed CRLF
rm -r mixed

makemixedrepo CRLF
testmixed LF
testmixed CRLF
rm -r mixed