cli-tools-check.sh

cli-tools-check.sh

#!/bin/sh

get_installed_version() {
    cmd=$1
    case $cmd in
        "fish")
            fish --version | cut -d" " -f3-
            ;;
        "lsd")
            lsd --version | cut -d" " -f2-
            ;;
        "fd")
            fd --version | cut -d" " -f2-
            ;;
        "rg")
            # no trailing '-' in cut to strip rev from version line:
            # "ripgrep 0.10.0 (rev 8a7db1a918)"
            rg --version | head -1 | cut -d" " -f2
            ;;
        "bat")
            bat --version | cut -d" " -f2-
            ;;
        *)
            echo "ERROR: given unknown command \"$cmd\"" 1>&2
            exit 1
    esac
}

get_latest_version() {
    cmd=$1
    repo=$2
    case $cmd in
        "rg")
            get_latest_github_release_rg "$repo"
            ;;
        *)
            get_latest_github_release "$repo"
            ;;
    esac
}

get_latest_github_release() {
    repo=$1
    curl --silent "https://api.github.com/repos/$repo/releases/latest" \
        | grep '"tag_name":' \
        | sed -E 's/.*"([^"]+)".*/\1/' \
        | sed -E 's/^v//'
}

# rg has releases like:
#   - "grep-searcher-0.1.2"
#   - "0.10.0"
#   - "testrelease"
#   - "0.9.0"
#   - "globset-0.4.1"
#   - "ignore-0.4.3"
#   - "0.8.1"
# We only want the topmost numerical one.
get_latest_github_release_rg() {
    repo=$1
    curl --silent "https://api.github.com/repos/$repo/releases" \
        | grep '"tag_name":' \
        | sed -E 's/.*"([^"]+)".*/\1/' \
        | grep '^[0-9]' \
        | head -1
}

print_release_url() {
    cmd=$1
    repo=$2
    echo "[$cmd] https://github.com/$repo/releases"
}

check_cli_tool() {
    cmd=$1
    repo=$2
    if [ -x "`which $cmd`" ] ; then
        installed=`get_installed_version $cmd`
        latest=`get_latest_version $cmd $repo`
        if [ "$installed" = "$latest" ] ; then
            echo "[$cmd] Up-to-date! ($installed)"
        else
            echo "[$cmd] Installed: $installed"
            echo "[$cmd] Latest:    $latest"
            print_release_url $cmd $repo
        fi
    else
        echo "[$cmd] NOT INSTALLED"
        print_release_url $cmd $repo
    fi
    echo
}

check_cli_tool "fish" "fish-shell/fish-shell"
check_cli_tool "lsd"  "Peltoche/lsd"
check_cli_tool "fd"   "sharkdp/fd"
check_cli_tool "rg"   "BurntSushi/ripgrep"
check_cli_tool "bat"  "sharkdp/bat"