write-tag-to-version-file/entrypoint.sh at master · eball/write-tag-to-version-file · GitHub

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#!/bin/sh
set -eo pipefail

error() {
    echo -e "\x1b[1;31m$1\e[0m $2"
}

log() {
    echo -e "\x1b[1;32m$1\e[0m $2"
}

filename=$1

log "File Name:" "$filename"

if [ -z "$2" ]; then
    placeholder="\${VERSION}"
else
    placeholder=$2
fi

log "Placeholder:" "$placeholder"

if test -f "$filename"; then
    content=$(cat "$filename")
else
    error "Version file not found! Looked for:" "$filename"
    exit 1;
fi

log "File Content:" "\n$content"

if [ -z "$3" ]; then
    git fetch --tags --force
    latestVersionTag=$(git describe --tags "$(git rev-list --tags --max-count=1)")
else
    latestVersionTag=$3
fi

log "Replacing placeholder with:" "$latestVersionTag"

updatedContent=$(< "$filename" sed "s/$placeholder/$latestVersionTag/g")
echo "$updatedContent" > "$filename"

log "Updated File Content:" "\n$updatedContent"