#!/bin/sh
if [ -z "$1" ]; then
    echo "Usage: new [REPO_NAME]"
    echo "Tip:   prefix with '.' to make private (e.g. new .myrepo)"
    exit 1
fi

REPO="$1"
REPO_PATH="$HOME/$REPO.git"
GROUP="r_$(echo "$REPO" | sed 's/^\.//' | sha1 -q | cut -c1-14)"

if [ -d "$REPO_PATH" ]; then
    echo "Repository $REPO already exists"
    exit 1
fi

# Create repo group
pw groupadd "$GROUP" 2>/dev/null || true
pw groupmod "$GROUP" -m "$USER" 2>/dev/null || true

# Init bare repo
git init --bare "$REPO_PATH"
echo "$REPO" > "$REPO_PATH/description"

# Set ownership and permissions
chown -R "$USER:$GROUP" "$REPO_PATH"

# Public: rwxr-x--- (group can read, others nothing)
# Private (dot-prefix): rwx------ (only owner)
if [ "${REPO#.}" = "$REPO" ]; then
    chmod -R 2755 "$REPO_PATH"
else
    chmod -R 2700 "$REPO_PATH"
fi

echo "Created repository $REPO"
echo "Clone: $USER@forge.jan.systems:$REPO.git"
if [ "${REPO#.}" = "$REPO" ]; then
    echo "Web:   https://forge.jan.systems/$REPO.git"
fi