mmdebstrap/hooks/file-mirror-automount/setup00.sh

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#!/bin/sh
set -eu
if [ "${MMDEBSTRAP_VERBOSITY:-1}" -ge 3 ]; then
set -x
fi
rootdir="$1"
# process all configured apt repositories
env APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-get indextargets --no-release-info --format '$(REPO_URI)' \
| sed -ne 's/^file:\/\+//p' \
| sort -u \
| while read -r path; do
mkdir -p "$rootdir/run/mmdebstrap"
if [ ! -d "/$path" ]; then
echo "W: /$path is not an existing directory" >&2
continue
fi
case $MMDEBSTRAP_MODE in
root|unshare)
echo "bind-mounting /$path into the chroot" >&2
mkdir -p "$rootdir/$path"
mount -o ro,bind "/$path" "$rootdir/$path"
;;
*)
echo "copying /$path into the chroot" >&2
mkdir -p "$rootdir/$path"
"$MMDEBSTRAP_ARGV0" --hook-helper "$rootdir" "$MMDEBSTRAP_MODE" "$MMDEBSTRAP_HOOK" env "$MMDEBSTRAP_VERBOSITY" sync-in "/$path" "/$path" <&"$MMDEBSTRAP_HOOKSOCK" >&"$MMDEBSTRAP_HOOKSOCK"
;;
esac
printf '/%s\0' "$path" >> "$rootdir/run/mmdebstrap/file-mirror-automount"
done
# process all files given via --include
set -f # turn off pathname expansion
IFS=',' # split by comma
for pkg in $MMDEBSTRAP_INCLUDE; do
set +f; unset IFS
case $pkg in
./*|../*|/*) : ;; # we are interested in this case
*) continue ;; # not a file
esac
# undo escaping
pkg="$(printf '%s' "$pkg" | sed 's/%2C/,/g; s/%25/%/g')"
# check for existance
if [ ! -f "$pkg" ]; then
echo "$pkg does not exist" >&2
continue
fi
# make path absolute
pkg="$(realpath "$pkg")"
case "$pkg" in
/*) : ;;
*) echo "path for $pkg is not absolute" >&2; continue;;
esac
mkdir -p "$rootdir/run/mmdebstrap"
mkdir -p "$rootdir/$(dirname "$pkg")"
case $MMDEBSTRAP_MODE in
root|unshare)
echo "bind-mounting $pkg into the chroot" >&2
touch "$rootdir/$pkg"
mount -o bind "$pkg" "$rootdir/$pkg"
;;
*)
echo "copying $pkg into the chroot" >&2
"$MMDEBSTRAP_ARGV0" --hook-helper "$rootdir" "$MMDEBSTRAP_MODE" "$MMDEBSTRAP_HOOK" env "$MMDEBSTRAP_VERBOSITY" upload "$pkg" "$pkg" <&"$MMDEBSTRAP_HOOKSOCK" >&"$MMDEBSTRAP_HOOKSOCK"
;;
esac
printf '/%s\0' "$pkg" >> "$rootdir/run/mmdebstrap/file-mirror-automount"
done
set +f; unset IFS