#!/bin/sh
# Build the synthetic test tree used by schfs_roundtrip.sh into $1.
# Kept separate so the tree can be recreated for debugging without running
# the whole round-trip.
set -e
TREE=${1:?usage: mktree.sh <dir>}
rm -rf "$TREE"
mkdir -p "$TREE/bin" "$TREE/etc/conf.d" "$TREE/empty-dir" "$TREE/a/b/c/d/e/f/g"

: > "$TREE/etc/empty-file"
echo "hello schfs" > "$TREE/etc/motd"
printf 'x' > "$TREE/etc/one-byte"

dd if=/dev/zero bs=4096 count=1 2>/dev/null | tr '\0' 'A' > "$TREE/etc/exactly-4096"
cp "$TREE/etc/exactly-4096" "$TREE/etc/block-plus-one"
printf 'B' >> "$TREE/etc/block-plus-one"

dd if=/dev/zero bs=1000 count=37 2>/dev/null | tr '\0' 'C' > "$TREE/bin/multiblock"
cp "$TREE/bin/multiblock" "$TREE/bin/multiblock-twin"
dd if=/dev/zero bs=1000 count=37 2>/dev/null | tr '\0' 'D' > "$TREE/bin/decoy"

ln -s ../etc/motd "$TREE/bin/motd-link"
ln -s /nowhere    "$TREE/bin/dangling-link"

echo deep > "$TREE/a/b/c/d/e/f/g/deep.txt"
echo one  > "$TREE/etc/conf.d/one"

echo spaced > "$TREE/etc/a file with spaces"
echo dotted > "$TREE/etc/.hidden"
LONG=$(printf 'n%.0s' $(seq 1 255))
echo long > "$TREE/etc/$LONG"

mkdir -p "$TREE/many"
i=0
while [ $i -lt 300 ]; do
    echo "file $i" > "$TREE/many/f$i"
    i=$((i + 1))
done