opentelemetry.io/scripts/npx-helper.sh

41 lines
1.1 KiB
Bash
Executable File

#!/bin/bash
#
# Runs the given command with npx, ensuring that the version of the
# command/package as declared in `package.json` is first installed.
if [ $# -eq 0 ]; then
echo "Usage: $0 [--no-ignore-scripts] <npm-command-and-package-name> [args...]"
exit 1
fi
npx_vers_from_pkg_json() {
local npm_i_flags="--no-save"
if [[ "$1" == "--no-ignore-scripts" ]]; then
shift
else
npm_i_flags+=" --ignore-scripts"
fi
local command=$1; shift;
# For now we assume that the package name is the same as the command name.
local package=$command
if ! [[ $package =~ ^[a-zA-Z0-9_-]+$ ]]; then
echo "ERROR: Invalid package name '$package'"
exit 1
fi
local args=$@
local version=$(npm pkg get devDependencies.$package | tr -d '^"')
if [[ $version == "{}" ]]; then
echo "ERROR: Could not determine version of '$package' from package.json"
exit 1
fi
local pkgAtVers="$package@$version"
if ! npm ls $pkgAtVers; then
(set -x; npm install $npm_i_flags $pkgAtVers)
fi
set -x && npx $pkgAtVers $args
}
npx_vers_from_pkg_json $@;