#! /bin/bash # Recursively list Android image directory. set -eu set -o pipefail function die() { format=$1; shift; printf "$format\n" "$@"; exit 1; } # Figure out the filer utility. declare filer= [[ -z "${ANDROID_HOST_OUT:-}" ]] || filer=${ANDROID_HOST_OUT}/bin/debugfs_static if [[ "${1:-}" =~ --debugfs_path=(.*) ]]; then filer=${BASH_REMATCH[1]} shift fi if [[ -z "${filer:-}" ]]; then maybefiler="$(dirname $0)/debugfs_static" [[ ! -x "$maybefiler" ]] || filer="$maybefiler" fi (( $# >0 )) || die "%s [--debugfs_path=] IMAGE" "$0" [[ -n "${filer:-}" ]] || die "cannot locate 'debugfs' executable: \ --debugfs_path= is missing, ANDROID_HOST_OUT is not set, \ and 'debugfs_static' is not colocated with this script" declare -r image="$1" function dolevel() { printf "%s/\n" "$1" # Each line of the file output consists of 6 fields separated with '/'. # The second one contains the file's attributes, and the fifth its name. $filer -R "ls -l -p $1" "$image" 2>/dev/null |\ sed -nr 's|^/.*/(.*)/.*/.*/(.+)/.*/$|\2 \1|p' | LANG=C sort | \ while read name attr; do [[ "$name" != '.' && "$name" != '..' ]] || continue path="$1/$name" # If the second char of the attributes is '4', it is a directory. if [[ $attr =~ ^.4 ]]; then dolevel "$path" else printf "%s\n" "$path" fi done } # The filer always prints its version on stderr, so we are going # to redirect it to the bit bucket. On the other hand, the filer's # return code on error is still 0. Let's run it once to without # redirecting stderr to see that there is at least one entry. $filer -R "ls -l -p" "$image" | grep -q -m1 -P '^/.*/.*/.*/.*/.+/.*/$' dolevel .