#!/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