Files
fish-shell/benchmarks/driver.sh
Daniel Rainer e10573088a Clean up shell scripts
Some changes fix actual problems, e.g. missing spaces in square bracket tests,
and backticks unintentionally causing code execution when intended as formatting.

Others, such as conservative quoting probably work fine in the old version in
most situations, but it's nice to have some additional safety.

Using `{ ..; }` instead of `(..)` is just a small performance enhancement.

Many of these issues were identified by shellcheck, which might be useful in CI
as well.
2025-04-29 10:14:06 +02:00

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#!/bin/sh
if [ "$#" -gt 2 ] || [ "$#" -eq 0 ]; then
echo "Usage: driver.sh /path/to/fish [/path/to/other/fish]"
exit 1
fi
FISH_PATH=$1
FISH2_PATH=$2
BENCHMARKS_DIR=$(dirname "$0")/benchmarks
quote() {
# Single-quote the given string for a POSIX shell, except in common cases that don't need it.
printf %s "$1" |
sed "/[^[:alnum:]\/.-]/ {
s/'/'\\\''/g
s/^/'/
s/\$/'/
}"
}
for benchmark in "$BENCHMARKS_DIR"/*; do
basename "$benchmark"
# If we have hyperfine, use it first to warm up the cache
if command -v hyperfine >/dev/null 2>&1; then
cmd1="$(quote "${FISH_PATH}") --no-config $(quote "$benchmark")"
if [ -n "$FISH2_PATH" ]; then
cmd2="$(quote "${FISH2_PATH}") --no-config $(quote "$benchmark")"
hyperfine --warmup 3 "$cmd1" "$cmd2"
else
hyperfine --warmup 3 "$cmd1"
fi
fi
[ -n "$FISH2_PATH" ] && echo "$FISH_PATH"
"${FISH_PATH}" --print-rusage-self "$benchmark" > /dev/null
if [ -n "$FISH2_PATH" ]; then
echo "$FISH2_PATH"
"${FISH2_PATH}" --print-rusage-self "$benchmark" > /dev/null
fi
done