cmd-trebuchet.bash

#! /bin/bash
#
# Disclaimer of Warranties.
# A. YOU EXPRESSLY ACKNOWLEDGE AND AGREE THAT, TO THE EXTENT PERMITTED BY
#    APPLICABLE LAW, USE OF THIS SHELL SCRIPT AND ANY SERVICES PERFORMED
#    BY OR ACCESSED THROUGH THIS SHELL SCRIPT IS AT YOUR SOLE RISK AND
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#
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#    AND SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE", WITH ALL FAULTS AND
#    WITHOUT WARRANTY OF ANY KIND, AND THE AUTHOR OF THIS SHELL SCRIPT'S LICENSORS
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#    SOFTWARE AND SERVICES, EITHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
#    NOT LIMITED TO, THE IMPLIED WARRANTIES AND/OR CONDITIONS OF
#    MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A PARTICULAR PURPOSE,
#    ACCURACY, QUIET ENJOYMENT, AND NON-INFRINGEMENT OF THIRD PARTY RIGHTS.
#
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#    THE AUTHOR's SOFTWARE AND SERVICES, THAT THE FUNCTIONS CONTAINED IN, OR
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#    OR THAT DEFECTS IN THIS SHELL SCRIPT OR SERVICES WILL BE CORRECTED.
#    INSTALLATION OF THIS THE AUTHOR SOFTWARE MAY AFFECT THE USABILITY OF THIRD
#    PARTY SOFTWARE, APPLICATIONS OR THIRD PARTY SERVICES.
#
# D. YOU FURTHER ACKNOWLEDGE THAT THIS SHELL SCRIPT AND SERVICES ARE NOT
#    INTENDED OR SUITABLE FOR USE IN SITUATIONS OR ENVIRONMENTS WHERE THE FAILURE
#    OR TIME DELAYS OF, OR ERRORS OR INACCURACIES IN, THE CONTENT, DATA OR
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#    DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE,
#    INCLUDING WITHOUT LIMITATION THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT
#    NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, LIFE SUPPORT OR
#    WEAPONS SYSTEMS.
#
# E. NO ORAL OR WRITTEN INFORMATION OR ADVICE GIVEN BY THE AUTHOR
#    SHALL CREATE A WARRANTY. SHOULD THIS SHELL SCRIPT OR SERVICES PROVE DEFECTIVE,
#    YOU ASSUME THE ENTIRE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
#
#    Limitation of Liability.
# F. TO THE EXTENT NOT PROHIBITED BY APPLICABLE LAW, IN NO EVENT SHALL THE AUTHOR
#    BE LIABLE FOR PERSONAL INJURY, OR ANY INCIDENTAL, SPECIAL, INDIRECT OR
#    CONSEQUENTIAL DAMAGES WHATSOEVER, INCLUDING, WITHOUT LIMITATION, DAMAGES
#    FOR LOSS OF PROFITS, CORRUPTION OR LOSS OF DATA, FAILURE TO TRANSMIT OR
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#    INABILITY TO USE THIS SHELL SCRIPT OR SERVICES OR ANY THIRD PARTY
#    SOFTWARE OR APPLICATIONS IN CONJUNCTION WITH THIS SHELL SCRIPT OR
#    SERVICES, HOWEVER CAUSED, REGARDLESS OF THE THEORY OF LIABILITY (CONTRACT,
#    TORT OR OTHERWISE) AND EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
#    POSSIBILITY OF SUCH DAMAGES. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION
#    OR LIMITATION OF LIABILITY FOR PERSONAL INJURY, OR OF INCIDENTAL OR
#    CONSEQUENTIAL DAMAGES, SO THIS LIMITATION MAY NOT APPLY TO YOU. In no event
#    shall THE AUTHOR's total liability to you for all damages (other than as may
#    be required by applicable law in cases involving personal injury) exceed
#    the amount of five dollars ($5.00). The foregoing limitations will apply
#    even if the above stated remedy fails of its essential purpose.
################################################################################

# Get the input path of this script as called
input_path="$0"
# Remove the trailing slash if present
input_path="${input_path%/}"
# Extract the directory name
PATH_ARG="${input_path%/*}"

if [ -d "$PATH_ARG" ] && [ ":$PATH:" != *":$PATH_ARG:"* ] ; then
	PATH="${PATH:+"$PATH:"}$PATH_ARG" ;
	export PATH ;
fi

unset input_path ;
unset PATH_ARG ;

#TODO: Clean up this PoC

# Main function to mimic 'builtin command'
builtin_command() {
	cmd=$1
	if [ -z "$cmd" ]; then
		printf '%s\n' "No command specified" >&2
		return 2
	fi

	# Check if the command exists (adjust invocation if cmd-scout needs bash)
	if cmd-scout.bash "$cmd"; then
		printf '%s\n' "Loading ${cmd}"
		# show remaining args
		shift 1
		if [ $# -gt 0 ]; then
			printf '  with: ('
			first=1
			for a in ${@}; do
				if [ $first -eq 1 ]; then
					printf ' %s' "$a"
					first=0
				else
					printf ' %s' "$a"
				fi
			done
			printf ' )\n'
		else
			printf '  with: ( )\n'
		fi

		# Execute the command, bypassing shell functions
		"${cmd}" ${@}
		return $?
	else
		printf '%s\n' "$cmd not found"
		return 1
	fi
}

# Check if a command is provided
if [ $# -lt 1 ]; then
	printf "%s\n" "Usage: $0 Cmd [args ...]"
	exit 1
fi

target_cmd="${1}"
shift 1
# Call the builtin command function with the provided arguments
builtin_command "${target_cmd}" ${@}