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fabioluciano/bash.sh

Last active October 25, 2018 21:26
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Revisions

  1. fabioluciano revised this gist Oct 25, 2018. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion bash.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -28,7 +28,7 @@ bump() {

    if [ "$RETURN" ]; then
    echo "$next_ver"
    exit 1
    exit 0
    fi

    if [ "$latest_commit" = "$head_commit" ]; then
  2. fabioluciano created this gist Oct 25, 2018.
    74 changes: 74 additions & 0 deletions bash.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,74 @@
    #!/bin/bash
    # Bumps the semantic version of the git-project.
    # If no semantic version tags exist in the project, the version starts out at v0.0.0
    # and is incremented by one for the field indicated by the bump command argument.

    find_latest_semver() {
    pattern="^$PREFIX([0-9]+\.[0-9]+\.[0-9]+)\$"
    versions=$(for tag in $(git tag); do
    [[ "$tag" =~ $pattern ]] && echo "${BASH_REMATCH[1]}"
    done)
    if [ -z "$versions" ];then
    echo 0.0.0
    else
    echo "$versions" | tr '.' ' ' | sort -nr -k 1 -k 2 -k 3 | tr ' ' '.' | head -1
    fi
    }

    increment_ver() {
    find_latest_semver | awk -F. -v a="$1" -v b="$2" -v c="$3" \
    '{printf("%d.%d.%d", $1+a, $2+b , $3+c)}'
    }

    bump() {
    next_ver="${PREFIX}$(increment_ver "$1" "$2" "$3")"
    latest_ver="${PREFIX}$(find_latest_semver)"
    latest_commit=$(git rev-parse "${latest_ver}" 2>/dev/null )
    head_commit=$(git rev-parse HEAD)

    if [ "$RETURN" ]; then
    echo "$next_ver"
    exit 1
    fi

    if [ "$latest_commit" = "$head_commit" ]; then
    echo "refusing to tag; $latest_ver already tagged for HEAD ($head_commit)"
    else
    echo "tagging $next_ver $head_commit"
    git tag "$next_ver" $head_commit
    fi
    }

    usage() {
    echo "Usage: bump [-p prefix] {major|minor|patch} | -l"
    echo "Bumps the semantic version field by one for a git-project."
    echo
    echo "Options:"
    echo " -l list the latest tagged version instead of bumping."
    echo " -p prefix [to be] used for the semver tags."
    echo " -r return next"
    exit 1
    }

    while getopts :p:l:r opt; do
    case $opt in
    p) PREFIX="$OPTARG";;
    r) RETURN=1;;
    l) LIST=1;;
    \?) usage;;
    :) echo "option -$OPTARG requires an argument"; exit 1;;
    esac
    done
    shift $((OPTIND-1))

    if [ ! -z "$LIST" ];then
    find_latest_semver
    exit 0
    fi

    case $1 in
    major) bump 1 0 0;;
    minor) bump 0 1 0;;
    patch) bump 0 0 1;;
    *) usage
    esac