#!/bin/sh

# Copyright (C) 2003-2022 Wayne Davison

# This program is distributable under the terms of the GNU GPL (see
# COPYING).

# Test rsync handling of exclude/include directives.

# Test some of the more obscure wildcard handling of exclude/include
# processing.

. "$suitedir/rsync.fns"

CVSIGNORE='*.junk'
export CVSIGNORE

case $0 in
*-lsh.*)
    RSYNC_RSH="$scratchdir/src/support/lsh.sh"
    export RSYNC_RSH
    rpath=" --rsync-path='$RSYNC'"
    host='lh:'
    ;;
*)
    rpath=''
    host=''
    ;;
esac

# Build some files/dirs/links to copy

makepath "$fromdir/foo/down/to/you"
makepath "$fromdir/foo/sub"
makepath "$fromdir/bar/down/to/foo/too"
makepath "$fromdir/bar/down/to/bar/baz"
makepath "$fromdir/mid/for/foo/and/that/is/who"
makepath "$fromdir/new/keep/this"
makepath "$fromdir/new/lose/this"
cat >"$fromdir/.filt" <<EOF
exclude down
: .filt-temp
clear
- .filt
- *.bak
- *.old
EOF
echo filtered-1 >"$fromdir/foo/file1"
echo removed >"$fromdir/foo/file2"
echo cvsout >"$fromdir/foo/file2.old"
cat >"$fromdir/foo/.filt" <<EOF
include .filt
- /file1
EOF
echo not-filtered-1 >"$fromdir/foo/sub/file1"
cat >"$fromdir/bar/.filt" <<EOF
- home-cvs-exclude
dir-merge .filt2
+ to
EOF
echo cvsout >"$fromdir/bar/down/to/home-cvs-exclude"
cat >"$fromdir/bar/down/to/.filt2" <<EOF
- .filt2
EOF
cat >"$fromdir/bar/down/to/foo/.filt2" <<EOF
+ *.junk
EOF
echo keeper >"$fromdir/bar/down/to/foo/file1"
echo cvsout >"$fromdir/bar/down/to/foo/file1.bak"
echo gone >"$fromdir/bar/down/to/foo/file3"
echo lost >"$fromdir/bar/down/to/foo/file4"
echo weird >"$fromdir/bar/down/to/foo/+ file3"
echo cvsout-but-filtin >"$fromdir/bar/down/to/foo/file4.junk"
echo smashed >"$fromdir/bar/down/to/foo/to"
cat >"$fromdir/bar/down/to/bar/.filt2" <<EOF
- *.deep
EOF
echo filtout >"$fromdir/bar/down/to/bar/baz/file5.deep"
# This one should be ineffectual
cat >"$fromdir/mid/.filt2" <<EOF
- extra
EOF
echo cvsout >"$fromdir/mid/one-in-one-out"
echo one-in-one-out >"$fromdir/mid/.cvsignore"
echo cvsin >"$fromdir/mid/one-for-all"
cat >"$fromdir/mid/.filt" <<EOF
:C
EOF
echo cvsin >"$fromdir/mid/for/one-in-one-out"
echo expunged >"$fromdir/mid/for/foo/extra"
echo retained >"$fromdir/mid/for/foo/keep"

# Setup our test exclude/include files.

excl="$scratchdir/exclude-from"
cat >"$excl" <<EOF
!
# If the second line of these two lines does anything, it's a bug.
+ **/bar
- /bar
# This should match against the whole path, not just the name.
+ foo**too
# These should float at the end of the path.
+ foo/s?b/
- foo/*/
# Test how /** differs from /***
- new/keep/**
- new/lose/***
# Test some normal excludes.  Competing lines are paired.
+ t[o]/
- to
+ file4
- file[2-9]
- /mid/for/foo/extra
EOF

cat >"$scratchdir/.cvsignore" <<EOF
home-cvs-exclude
EOF

# Start with a check of --prune-empty-dirs:
$RSYNC -av --rsync-path="$RSYNC" -f -_foo/too/ -f -_foo/down/ -f -_foo/and/ -f -_new/ "$host$fromdir/" "$chkdir/"
checkit "$RSYNC -av$rpath --prune-empty-dirs '$host$fromdir/' '$todir/'" "$chkdir" "$todir"
rm -rf "$todir"

# Add a directory symlink.
ln -s too "$fromdir/bar/down/to/foo/sym"

# Start to prep an --update test dir
mkdir "$scratchdir/up1" "$scratchdir/up2"
touch "$scratchdir/up1/dst-newness" "$scratchdir/up2/src-newness"
touch "$scratchdir/up1/same-newness" "$scratchdir/up2/same-newness"
touch "$scratchdir/up1/extra-src" "$scratchdir/up2/extra-dest"

# Create chkdir with what we expect to be excluded.
checkit "$RSYNC -avv$rpath '$host$fromdir/' '$chkdir/'" "$fromdir" "$chkdir"
sleep 1 # Ensures that the rm commands will tweak the directory times.
rm -r "$chkdir"/foo/down
rm -r "$chkdir"/mid/for/foo/and
rm -r "$chkdir"/new/keep/this
rm -r "$chkdir"/new/lose
rm "$chkdir"/foo/file[235-9]
rm "$chkdir"/bar/down/to/foo/to "$chkdir"/bar/down/to/foo/file[235-9]
rm "$chkdir"/mid/for/foo/extra

# Finish prep for the --update test (run last)
touch "$scratchdir/up1/src-newness" "$scratchdir/up2/dst-newness"

# Un-tweak the directory times in our first (weak) exclude test (though
# it's a good test of the --existing option).
$RSYNC -av --rsync-path="$RSYNC" --existing --include='*/' --exclude='*' "$host$fromdir/" "$chkdir/"

# Now, test if rsync excludes the same files.

checkit "$RSYNC -avv$rpath --exclude-from='$excl' \
    --delete-during '$host$fromdir/' '$todir/'" "$chkdir" "$todir"

# Modify the chk dir by removing cvs-ignored files and then tweaking the dir times.

rm "$chkdir"/foo/*.old
rm "$chkdir"/bar/down/to/foo/*.bak
rm "$chkdir"/bar/down/to/foo/*.junk
rm "$chkdir"/bar/down/to/home-cvs-exclude
rm "$chkdir"/mid/one-in-one-out

$RSYNC -av --rsync-path="$RSYNC" --existing --filter='exclude,! */' "$host$fromdir/" "$chkdir/"

# Now, test if rsync excludes the same files, this time with --cvs-exclude
# and --delete-excluded.

# The -C option gets applied in a different order when pushing & pulling, so we instead
# add the 2 --cvs-exclude filter rules (":C" & "-C") via -f to keep the order the same.
checkit "$RSYNC -avv$rpath --filter='merge $excl' -f:C -f-C --delete-excluded \
    --delete-during '$host$fromdir/' '$todir/'" "$chkdir" "$todir"

# Modify the chk dir for our merge-exclude test and then tweak the dir times.

rm "$chkdir"/foo/file1
rm "$chkdir"/bar/down/to/bar/baz/*.deep
cp_touch "$fromdir"/bar/down/to/foo/*.junk "$chkdir"/bar/down/to/foo
cp_touch "$fromdir"/bar/down/to/foo/to "$chkdir"/bar/down/to/foo

$RSYNC -av --rsync-path="$RSYNC" --existing -f 'show .filt*' -f 'hide,! */' --del "$host$fromdir/" "$todir/"

echo retained >"$todir"/bar/down/to/bar/baz/nodel.deep
cp_touch "$todir"/bar/down/to/bar/baz/nodel.deep "$chkdir"/bar/down/to/bar/baz

$RSYNC -av --rsync-path="$RSYNC" --existing --filter='-! */' "$host$fromdir/" "$chkdir/"

# Now, test if rsync excludes the same files, this time with a merge-exclude
# file.

checkit "sed '/!/d' '$excl' |
    $RSYNC -avv$rpath -f dir-merge_.filt -f merge_- \
    --delete-during '$host$fromdir/' '$todir/'" "$chkdir" "$todir"

# Remove the files that will be deleted.

rm "$chkdir"/.filt
rm "$chkdir"/bar/.filt
rm "$chkdir"/bar/down/to/.filt2
rm "$chkdir"/bar/down/to/foo/.filt2
rm "$chkdir"/bar/down/to/bar/.filt2
rm "$chkdir"/mid/.filt

$RSYNC -av --rsync-path="$RSYNC" --existing --include='*/' --exclude='*' "$host$fromdir/" "$chkdir/"

# Now, try the prior command with --delete-before and some side-specific
# rules.

checkit "sed '/!/d' '$excl' |
    $RSYNC -avv$rpath -f :s_.filt -f .s_- -f P_nodel.deep \
    --delete-before '$host$fromdir/' '$todir/'" "$chkdir" "$todir"

# Next, we'll test some rule-restricted filter files.

cat >"$fromdir/bar/down/.excl" <<EOF
file3
EOF
cat >"$fromdir/bar/down/to/foo/.excl" <<EOF
+ file3
*.bak
EOF
$RSYNC -av --rsync-path="$RSYNC" --del "$host$fromdir/" "$chkdir/"
rm "$chkdir/bar/down/to/foo/file1.bak"
rm "$chkdir/bar/down/to/foo/file3"
rm "$chkdir/bar/down/to/foo/+ file3"
$RSYNC -av --rsync-path="$RSYNC" --existing --filter='-! */' "$host$fromdir/" "$chkdir/"
$RSYNC -av --rsync-path="$RSYNC" --delete-excluded --exclude='*' "$host$fromdir/" "$todir/"

checkit "$RSYNC -avv$rpath -f dir-merge,-_.excl \
    '$host$fromdir/' '$todir/'" "$chkdir" "$todir"

relative_opts='--relative --chmod=Du+w --copy-unsafe-links'
$RSYNC -av --rsync-path="$RSYNC" $relative_opts "$host$fromdir/foo" "$chkdir/"
rm -rf "$chkdir$fromdir/foo/down"
$RSYNC -av $relative_opts --existing --filter='-! */' "$fromdir/foo" "$chkdir/"

checkit "$RSYNC -avv$rpath $relative_opts --exclude='$fromdir/foo/down' \
    '$host$fromdir/foo' '$todir'" "$chkdir$fromdir/foo" "$todir$fromdir/foo"

# Now we'll test the --update option.
checkdiff "$RSYNC -aiiO$rpath --update --info=skip '$host$scratchdir/up1/' '$scratchdir/up2/'" \
	"grep -v '^\.d$allspace'" <<EOT
dst-newness is newer
>f$all_plus extra-src
.f$allspace same-newness
>f..t.$dots src-newness
EOT

# The script would have aborted on error, so getting here means we've won.
exit 0
