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- #! /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=<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 .
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