57 lines
1.4 KiB
Bash
Executable file
57 lines
1.4 KiB
Bash
Executable file
#!/bin/bash
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# Error handling
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set -e
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# For styling/colorizing output
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txtbld=$(tput bold)
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txtgreen=${txtbld}$(tput setaf 2)
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txtred=${txtbld}$(tput setaf 1)
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txtwhite=${txtbld}$(tput setaf 7)
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# Dependency check
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function dependencycheck()
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{
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numdependencies="$#"
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dependencies=("$@")
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missingdependencies=0
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for ((i = 0; i < numdependencies; i++)) ; do
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if ! command -v "${dependencies[$i]}" &> /dev/null ; then
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echo "${txtred} dependency not met: ${dependencies[$i]}${txtwhite}"
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missingdependencies=$((missingdependencies+1))
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else
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echo "${txtgreen} dependency met: ${dependencies[$i]}${txtwhite}"
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fi
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done
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if [ $missingdependencies -gt 0 ] ; then
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exit 1
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# comment out if used in other scripts
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else
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exit 0
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fi
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}
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# invoke function comment out if sourced
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dependencycheck "$@"
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# Barebones version without tput (for being sourced):
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# function dependencycheck()
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# {
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# numdependencies="$#"
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# dependencies=("$@")
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# missingdependencies=0
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# for ((i = 0; i < numdependencies; i++)) ; do
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# if ! command -v "${dependencies[$i]}" &> /dev/null ; then
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# echo "dependency not met: ${dependencies[$i]}"
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# missingdependencies=$((missingdependencies+1))
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# fi
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# done
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# if [ $missingdependencies -gt 0 ] ; then
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# echo "Please install needed dependencies"
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# exit 1
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# fi
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# }
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