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mnordahlmnordahl
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update lab release script
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‎release-lab-instructions.sh‎

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#!/bin/bash
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# This script creates a tag for the repository and pushes it to the remote
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# repository. The remote repository is configured to trigger a GitHub Actions
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# workflow when a new tag is pushed, which will create a release on GitHub
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# using the tag.
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# Usage: ./release-lab-instructions <version-number> ["Optional tag commit message"]
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# Check for the correct number of input parameters
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if [ "$#" -lt 1 ]; then
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echo "Error: Incorrect number of arguments."
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echo "Usage: $0 <version-number> [\"tag commit message\"]"
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echo "Example: $0 v1.0.1 \"Initial release\""
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echo "If no commit message is specified, the default editor will be opened."
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exit 1
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fi
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#!/usr/bin/env bash
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set -Eeuo pipefail
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# release-lab-instructions.sh
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# Skapar och pushar en annoterad tagg: lab_<version>
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# GitHub Actions-workflow som lyssnar på "lab_*" bygger PDF.
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REMOTE="origin"
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usage() {
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cat <<'USAGE'
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Usage:
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release-lab-instructions.sh -v <version> [-m "message"] [-r <remote>] [-y]
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Options:
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-v Versionssträng (t.ex. 2025-09-01 eller v1.2.3). REQ
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-m Taggmeddelande (annoterad tag). Om utelämnas öppnas editor.
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-r Git remote (default: origin)
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-y Svara "ja" på alla frågor (överskriv tagg utan att fråga)
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-h Visa denna hjälp
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Exempel:
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./release-lab-instructions.sh -v v1.0.1
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./release-lab-instructions.sh -v 2025-09-01 -m "HT25 lab release"
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./release-lab-instructions.sh -v v2 -r origin -y
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USAGE
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}
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confirm() {
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local prompt="${1:-Är du säker? (y/N) }"
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read -r -p "$prompt" ans
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[[ "$ans" == "y" || "$ans" == "Y" ]]
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}
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delete_tag_if_exists() {
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local tag="$1"
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if git rev-parse "$tag" >/dev/null 2>&1; then
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echo "Taggen $tag finns redan lokalt."
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if $ASSUME_YES || confirm "Vill du ersätta taggen $tag? (y/N) "; then
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git tag -d "$tag" || true
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if git ls-remote --tags "$REMOTE" | grep -q "refs/tags/$tag$"; then
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git push "$REMOTE" --delete "$tag" || true
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fi
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else
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echo "Avbryter."
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exit 1
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fi
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else
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# Om den inte finns lokalt, kolla endast remote
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if git ls-remote --tags "$REMOTE" | grep -q "refs/tags/$tag$"; then
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echo "Taggen $tag finns på remote."
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if $ASSUME_YES || confirm "Vill du ersätta taggen $tag på remote? (y/N) "; then
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git push "$REMOTE" --delete "$tag" || true
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else
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echo "Avbryter."
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exit 1
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fi
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fi
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fi
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}
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# Define the tag and message
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TAG="lab_$1"
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MESSAGE="Lab instructions $1"
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# Check if the tag already exists
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if git rev-parse "$TAG" >/dev/null 2>&1; then
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echo "Error: Tag $TAG already exists."
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# Ask user if they want to replace the existing tag
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read -p "Do you want to replace the existing tag? (y/n) " answer
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case $answer in
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[Yy]* )
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# Delete the tag locally
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git tag -d "$TAG"
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# Delete the tag from the remote
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git push origin --delete "$TAG"
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;;
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* )
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echo "Operation aborted."
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exit 1
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;;
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esac
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VERSION=""
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MESSAGE=""
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ASSUME_YES=false
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while getopts ":v:m:r:yh" opt; do
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case "$opt" in
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v) VERSION="$OPTARG" ;;
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m) MESSAGE="$OPTARG" ;;
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r) REMOTE="$OPTARG" ;;
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y) ASSUME_YES=true ;;
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h) usage; exit 0 ;;
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\?) echo "Okänd flagga: -$OPTARG"; usage; exit 1 ;;
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:) echo "Flagga -$OPTARG kräver ett värde."; usage; exit 1 ;;
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esac
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done
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if [[ -z "$VERSION" ]]; then
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echo "Fel: -v <version> krävs."
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usage
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exit 1
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fi
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# Create the annotated tag
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if [ -z "$2" ]; then
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# If no message is provided, open the editor to allow the user to enter a message
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git tag -a "$TAG"
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else
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# If a message is provided, use it directly
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git tag -a "$TAG" -m "$2"
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TAG="lab_${VERSION}"
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# Hämta taggar
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git fetch --tags "$REMOTE" >/dev/null 2>&1 || true
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echo "Sammanfattning:"
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echo " Version: $VERSION"
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echo " Tagg: $TAG"
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echo " Remote: $REMOTE"
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$ASSUME_YES || confirm "Skapa och pusha taggen nu? (y/N) " || { echo "Avbrutet."; exit 1; }
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# Ta bort befintlig tagg (lokalt/remote) vid behov
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delete_tag_if_exists "$TAG"
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# Om inget -m: öppna editor för att skriva ett meddelande
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if [[ -z "$MESSAGE" ]]; then
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tmpfile="$(mktemp)"
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{
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echo "Lab instructions $VERSION"
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echo
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echo "(Skriv ditt meddelande ovan. Ta inte bort sista raden.)"
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echo "---"
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} > "$tmpfile"
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"${GIT_EDITOR:-${VISUAL:-vi}}" "$tmpfile"
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MESSAGE="$(sed '/^---$/,$d' "$tmpfile" | sed -e '${/^$/d}')"
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rm -f "$tmpfile"
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[[ -z "$MESSAGE" ]] && MESSAGE="Lab instructions $VERSION"
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fi
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# Push the tag to the remote repository
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git push origin "$TAG"
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# Skapa annoterad tagg
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git tag -a "$TAG" -m "$MESSAGE"
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# Pusha
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git push "$REMOTE" "$TAG"
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echo "Tag $TAG created and pushed successfully."
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echo "Klart! Taggen $TAG skapades och pushades till $REMOTE."

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