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simple bash script to increment the version number of the format major.minor.bug
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| #!/usr/bin/env bash | |
| help () { | |
| echo "usage: ./bump-version version_number [major/minor/bug]" | |
| } | |
| # Check input remove prepending 'v' | |
| if grep -q -c -E '^v?[[:digit:]]{1,3}\.[[:digit:]]{1,3}\.[[:digit:]]{1,3}$' <<< ${1}; then | |
| version=$(sed 's/^.\{1\}//g' <<< ${1}) | |
| else | |
| help | |
| fi | |
| major=0 | |
| minor=0 | |
| bug=0 | |
| # break down the version number into it's components | |
| regex="([0-9]+).([0-9]+).([0-9]+)" | |
| if [[ $version =~ $regex ]]; then | |
| major="${BASH_REMATCH[1]}" | |
| minor="${BASH_REMATCH[2]}" | |
| bug="${BASH_REMATCH[3]}" | |
| fi | |
| # check paramater to see which number to increment | |
| if [[ "$2" == "major" ]]; then | |
| major=$(echo $major+1 | bc) | |
| minor=0 | |
| bug=0 | |
| elif [[ "$2" == "minor" ]]; then | |
| minor=$(echo $minor + 1 | bc) | |
| bug=0 | |
| elif [[ "$2" == "bug" ]]; then | |
| bug=$(echo $bug + 1 | bc) | |
| else | |
| help | |
| exit 1 | |
| fi | |
| # echo the new version number | |
| echo "${major}.${minor}.${bug}" |
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