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Simplify locating original tool

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2024-03-12 13:33:09 +00:00
parent 294a3c2ccb
commit 235799bc23
1 changed files with 7 additions and 10 deletions
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17
tests/scripts/quiet/quiet.sh
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@ -22,16 +22,13 @@
# be silenced, e.g. " --version | test ". In this example, "make lib test" will
# not be silent, but "make lib" will be.
# Function to normalise paths
get_real_filename() {
leafname="$(basename "$1")"
( cd $(dirname "$1"); echo "$(pwd)/$leafname" )
}
# Normalise path to wrapper script
WRAPPER_WITH_PATH=$(get_real_filename "$0")
# Identify original tool (compare normalised path to WRAPPER_WITH_PATH to avoid recursively calling the same wrapper script)
ORIGINAL_TOOL="$(for p in $(type -ap "$TOOL"); do get_real_filename "$p" ; done | grep -v -Fx "$WRAPPER_WITH_PATH" | head -n1)"
# Identify path to original tool. There is an edge-case here where the quiet wrapper is on the path via
# a symlink or relative path, but "type -ap" yields the wrapper with it's normalised path. We use
# the -ef operator to compare paths, to avoid picking the wrapper in this case (to avoid infinitely
# recursing).
while IFS= read -r ORIGINAL_TOOL; do
if ! [[ $ORIGINAL_TOOL -ef "$0" ]]; then break; fi
done < <(type -ap -- "$TOOL")
print_quoted_args() {
# similar to printf '%q' "$@"