EcchiShell v1.0

lib

dracut

modules.d

"$testfile" if [[ ! -e "$testfile" ]]; then echo "Cannot write to $ROOT/" exit 1 fi rm -f -- "$testfile" testfile="$ROOT/usr/.usrmovecheck$$" rm -f -- "$testfile" > "$testfile" if [[ ! -e "$testfile" ]]; then echo "Cannot write to $ROOT/usr/" exit 1 fi rm -f -- "$testfile" find_mount() { local dev mnt etc wanted_dev wanted_dev="$(readlink -e -q $1)" while read dev mnt etc; do [ "$dev" = "$wanted_dev" ] && echo "$dev" && return 0 done < /proc/mounts return 1 } # usage: ismounted # usage: ismounted /dev/ if command -v findmnt >/dev/null; then ismounted() { findmnt "$1" > /dev/null 2>&1 } else ismounted() { if [ -b "$1" ]; then find_mount "$1" > /dev/null && return 0 return 1 fi while read a m a; do [ "$m" = "$1" ] && return 0 done < /proc/mounts return 1 } fi # clean up after ourselves no matter how we die. cleanup() { echo "Something failed. Move back to the original state" for dir in "$ROOT/bin" "$ROOT/sbin" "$ROOT/lib" "$ROOT/lib64" \ "$ROOT/usr/bin" "$ROOT/usr/sbin" "$ROOT/usr/lib" \ "$ROOT/usr/lib64"; do [[ -d "${dir}.usrmove-new" ]] && rm -fr -- "${dir}.usrmove-new" if [[ -d "${dir}.usrmove-old" ]]; then mv "$dir" "${dir}.del~" mv "${dir}.usrmove-old" "$dir" rm -fr -- "${dir}.del~" fi done } trap 'ret=$?; [[ $ret -ne 0 ]] && cleanup;exit $ret;' EXIT trap 'exit 1;' SIGINT ismounted "$ROOT/usr" || CP_HARDLINK="-l" set -e # merge / and /usr in new dir in /usr for dir in bin sbin lib lib64; do rm -rf -- "$ROOT/usr/${dir}.usrmove-new" [[ -L "$ROOT/$dir" ]] && continue [[ -d "$ROOT/$dir" ]] || continue echo "Make a copy of \`$ROOT/usr/$dir'." [[ -d "$ROOT/usr/$dir" ]] \ && cp -ax -l "$ROOT/usr/$dir" "$ROOT/usr/${dir}.usrmove-new" echo "Merge the copy with \`$ROOT/$dir'." [[ -d "$ROOT/usr/${dir}.usrmove-new" ]] \ || mkdir -p "$ROOT/usr/${dir}.usrmove-new" cp -axT $CP_HARDLINK --backup --suffix=.usrmove~ "$ROOT/$dir" "$ROOT/usr/${dir}.usrmove-new" echo "Clean up duplicates in \`$ROOT/usr/$dir'." # delete all symlinks that have been backed up find "$ROOT/usr/${dir}.usrmove-new" -type l -name '*.usrmove~' -delete || : # replace symlink with backed up binary find "$ROOT/usr/${dir}.usrmove-new" \ -name '*.usrmove~' \ -type f \ -exec bash -c 'p="{}";o=${p%%%%.usrmove~}; [[ -L "$o" ]] && mv -f "$p" "$o"' ';' || : done # switch over merged dirs in /usr for dir in bin sbin lib lib64; do [[ -d "$ROOT/usr/${dir}.usrmove-new" ]] || continue echo "Switch to new \`$ROOT/usr/$dir'." rm -fr -- "$ROOT/usr/${dir}.usrmove-old" mv "$ROOT/usr/$dir" "$ROOT/usr/${dir}.usrmove-old" mv "$ROOT/usr/${dir}.usrmove-new" "$ROOT/usr/$dir" done # replace dirs in / with links to /usr for dir in bin sbin lib lib64; do [[ -L "$ROOT/$dir" ]] && continue [[ -d "$ROOT/$dir" ]] || continue echo "Create \`$ROOT/$dir' symlink." rm -fr -- "$ROOT/${dir}.usrmove-old" || : mv "$ROOT/$dir" "$ROOT/${dir}.usrmove-old" ln -sfn usr/$dir "$ROOT/$dir" done echo "Clean up backup files." # everything seems to work; cleanup for dir in bin sbin lib lib64; do # if we get killed in the middle of "rm -rf", ensure not to leave # an incomplete directory, which is moved back by cleanup() [[ -d "$ROOT/usr/${dir}.usrmove-old" ]] \ && mv "$ROOT/usr/${dir}.usrmove-old" "$ROOT/usr/${dir}.usrmove-old~" [[ -d "$ROOT/${dir}.usrmove-old" ]] \ && mv "$ROOT/${dir}.usrmove-old" "$ROOT/${dir}.usrmove-old~" done for dir in bin sbin lib lib64; do [[ -d "$ROOT/usr/${dir}.usrmove-old~" ]] \ && rm -rf -- "$ROOT/usr/${dir}.usrmove-old~" || : [[ -d "$ROOT/${dir}.usrmove-old~" ]] \ && rm -rf -- "$ROOT/${dir}.usrmove-old~" || : done for dir in lib lib64; do [[ -d "$ROOT/$dir" ]] || continue for lib in "$ROOT"/usr/${dir}/lib*.so*.usrmove~; do [[ -f $lib ]] || continue mv $lib ${lib/.so/_so} done done set +e echo "Run ldconfig." ldconfig -r "$ROOT" . $ROOT/etc/selinux/config if [ -n "$(command -v setfiles)" ] && [ "$SELINUX" != "disabled" ] && [ -f /etc/selinux/${SELINUXTYPE}/contexts/files/file_contexts ]; then echo "Fixing SELinux labels" setfiles -r $ROOT -p /etc/selinux/${SELINUXTYPE}/contexts/files/file_contexts $ROOT/sbin $ROOT/bin $ROOT/lib $ROOT/lib64 $ROOT/usr/lib $ROOT/usr/lib64 $ROOT/etc/ld.so.cache $ROOT/var/cache/ldconfig || : fi echo "Done." exit 0