142 lines
3.7 KiB
Bash
142 lines
3.7 KiB
Bash
#!/bin/bash
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# echo loading module library
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module_confirm() {
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local FILE
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local DIR
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local NAME
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DIR=$1
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NAME=$2
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# echo finding $NAME in $DIR
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FILE="$(command find -L ${DIR} -type f -name "${NAME}.mod" -o -name "${NAME}".lib -o -name "${NAME}".func -o -name "${NAME}".sh)"
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# echo files found $FILE
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COUNT=0
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if [ "$FILE" ]; then
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COUNT=$(echo $FILE | xargs -n 1 | wc -l)
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fi
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# echo Number: $COUNT
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if [ $COUNT -gt 1 ]; then
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echo two or more modules of same name found, aborting
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echo $FILE | xargs -n 1
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return 1
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fi
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[ $COUNT == 1 ] && echo $FILE && return 0
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return 1
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}
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# if succesfull returns the path
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module_find() {
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[ ! $1 ] && echo "no module specified" && return 1
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local MDIRS
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local MDIR
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local DIRS
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local MODULE=$1
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# MODULE_DIRS is array set in the environment and is an array of additional directories to
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# search for modules. This makes is easy to include a custom module libraries outside
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# the shell system. These take precedence over any modules found in shell directories below.
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# Precedence is first in list to last.
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if [[ $MODULE_DIRS ]]; then
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for DIR in "${MODULE_DIRS[@]}"
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do
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if [[ -d $DIR ]]; then
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RES=$(module_confirm "$DIR" "$MODULE")
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[ $? -eq 0 ] && echo $RES && return 0
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fi
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done
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fi
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# BASH_SHELL_DIRS holds shell directories to search for modules. If will be searched
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# in revsere order, user or network repos over host over base
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DIRS=( ${BASH_SHELL_DIRS:-$BASH_SHELL_BASE} )
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[ -d $HOME/$BASH_SHELL_USER ] && DIRS=("${DIRS[@]}" "$HOME/$BASH_SHELL_USER")
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[ -d $BASH_SHELL_DEV ] && DIRS=("${DIRS[@]}" "$BASH_SHELL_DEV")
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cnt=${#DIRS[@]}
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for ((i=1;i<=cnt;i++)); do
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# find modules in reverse order so more specific ones override
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DIR="${DIRS[cnt-i]}/modules"
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if [[ -d $DIR ]]; then
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RES=$(module_confirm "$DIR" "$MODULE")
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[ $? -eq 0 ] && echo $RES && return 0
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fi
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done
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# no module found anywhere
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return 1
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}
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module_load() {
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[ ! $1 ] && echo "no module specified" && return 1
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# (return 0 2>/dev/null) && echo "module_load was sourced" || echo "module_log was executed"
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local FILE
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FILE=$(module_find $1)
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[ $? -ne 0 ] && echo no module $1 found && return 1
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# source $FILE "$0"
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# [[ $BASHPID -eq $$ ]] || echo $FILE
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source $FILE
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return 0
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}
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module_print() {
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[ ! $1 ] && echo "no module specified" && return 1
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# (return 0 2>/dev/null) && echo "module_load was sourced" || echo "module_log was executed"
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local FILE
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FILE=$(module_find $1)
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[ $? -ne 0 ] && echo no module $1 found && return 1
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cat $FILE
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return 0
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}
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module_loaded() {
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[ ! $1 ] && echo "no module specified" && return 1
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local func
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local ret
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local file
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ret=0
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# function_list | grep module
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file=$(module_find $1)
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[ ! $file ] && echo no module $1 found && return 1
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# echo "$(function_list $file)"
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for func in $(function_list $file)
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do
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[ ! $(function_list | grep $func) ] && ret=1
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[[ $2 = -vv ]] && ([[ $ret = 0 ]] && echo "$func loaded" || echo "$func not loaded")
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done
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[[ $2 = -v ]] && echo "module: $1" && ([[ $ret = 0 ]] && echo "all functions " || echo "some or all functions not loaded")
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[[ $ret = 0 ]] && echo "loaded"
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return $ret
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}
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# exported for login environment
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# declare -f -x module_load
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# declare -f -x module_find
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# declare -f -x module_confirm
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# uncomment for testing
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# function _test_modules {
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# RED='\033[0;31m'
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# NC='\033[0m' # No Color
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# echo module to test: $1
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# echo --------------------
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# echo -e "testing: ${RED}module_find${NC}"
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# FILE=$(module_find $1)
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# [ $? -ne 0 ] && echo no module $1 found && return 1
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# echo module $FILE found
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# # . $FILE
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# echo ---------------
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# echo -e "testing: ${RED}module_load${NC}"
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# module_load $1
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# [ $? -ne 0 ] && echo no module $1 found && return 1
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# echo loaded module $1
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# echo ----------------------
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# echo -e "testing: ${RED}module_loaded${NC}"
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# module_loaded $1
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# }
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