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@@ -0,0 +1,51 @@
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+#! /bin/bash
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+
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+# Recursively list Android image directory.
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+set -eu
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+set -o pipefail
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+
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+function die() { format=$1; shift; printf "$format\n" "$@"; exit 1; }
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+
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+# Figure out the filer utility.
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+declare filer=
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+[[ -z "${ANDROID_HOST_OUT:-}" ]] || filer=${ANDROID_HOST_OUT}/bin/debugfs_static
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+if [[ "${1:-}" =~ --debugfs_path=(.*) ]]; then
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+ filer=${BASH_REMATCH[1]}
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+ shift
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+fi
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+if [[ -z "${filer:-}" ]]; then
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+ maybefiler="$(dirname $0)/debugfs_static"
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+ [[ ! -x "$maybefiler" ]] || filer="$maybefiler"
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+fi
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+
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+(( $# >0 )) || die "%s [--debugfs_path=<path>] IMAGE" "$0"
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+
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+[[ -n "${filer:-}" ]] || die "cannot locate 'debugfs' executable: \
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+--debugfs_path= is missing, ANDROID_HOST_OUT is not set, \
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+and 'debugfs_static' is not colocated with this script"
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+declare -r image="$1"
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+
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+function dolevel() {
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+ printf "%s/\n" "$1"
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+ # Each line of the file output consists of 6 fields separated with '/'.
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+ # The second one contains the file's attributes, and the fifth its name.
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+ $filer -R "ls -l -p $1" "$image" 2>/dev/null |\
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+ sed -nr 's|^/.*/(.*)/.*/.*/(.+)/.*/$|\2 \1|p' | LANG=C sort | \
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+ while read name attr; do
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+ [[ "$name" != '.' && "$name" != '..' ]] || continue
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+ path="$1/$name"
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+ # If the second char of the attributes is '4', it is a directory.
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+ if [[ $attr =~ ^.4 ]]; then
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+ dolevel "$path"
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+ else
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+ printf "%s\n" "$path"
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+ fi
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+ done
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+}
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+
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+# The filer always prints its version on stderr, so we are going
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+# to redirect it to the bit bucket. On the other hand, the filer's
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+# return code on error is still 0. Let's run it once to without
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+# redirecting stderr to see that there is at least one entry.
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+$filer -R "ls -l -p" "$image" | grep -q -m1 -P '^/.*/.*/.*/.*/.+/.*/$'
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+dolevel .
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