60 lines
2.0 KiB
Bash
Executable File
60 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Publish a new MeTube docker image.
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#
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# Implements the versioning rule (see DEPLOY.md / AGENTS.md):
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# - The version recorded in DEPLOY.md (checked into git) is the current
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# online version.
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# - Publishing bumps the minor number of that version, updates DEPLOY.md,
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# builds the image with --build-arg VERSION=<new> and pushes it.
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#
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# Usage:
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# ./publish.sh # bump minor of the current version (e.g. 1.10 -> 1.11)
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# ./publish.sh 2.0 # publish an explicit version instead
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set -euo pipefail
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cd "$(dirname "$0")"
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DEPLOY_FILE="DEPLOY.md"
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# Current image reference (with tag), taken from the build command in DEPLOY.md
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CURRENT_REF=$(grep -oP '(?<=-t )\S+:[0-9]+\.[0-9]+' "$DEPLOY_FILE" | head -1)
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if [[ -z "$CURRENT_REF" ]]; then
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echo "Error: could not find an image reference like '-t <registry>/<image>:<major>.<minor>' in $DEPLOY_FILE" >&2
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exit 1
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fi
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IMAGE="${CURRENT_REF%:*}" # e.g. 192.168.2.212:3000/tigeren/metube
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CURRENT_VERSION="${CURRENT_REF##*:}" # e.g. 1.10
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if [[ $# -ge 1 ]]; then
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NEW_VERSION="$1"
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else
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MAJOR="${CURRENT_VERSION%%.*}"
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MINOR="${CURRENT_VERSION##*.}"
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NEW_VERSION="$MAJOR.$((MINOR + 1))"
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fi
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if ! [[ "$NEW_VERSION" =~ ^[0-9]+\.[0-9]+$ ]]; then
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echo "Error: version must be in <major>.<minor> form, got '$NEW_VERSION'" >&2
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exit 1
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fi
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if [[ "$NEW_VERSION" == "$CURRENT_VERSION" ]]; then
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echo "Error: new version $NEW_VERSION equals current version" >&2
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exit 1
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fi
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echo "Publishing $IMAGE:$NEW_VERSION (current: $CURRENT_VERSION)"
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# Record the new version as the current online version
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sed -i "s/VERSION=${CURRENT_VERSION}\b/VERSION=${NEW_VERSION}/g; s/:${CURRENT_VERSION}\b/:${NEW_VERSION}/g" "$DEPLOY_FILE"
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docker build --build-arg "VERSION=$NEW_VERSION" -t "$IMAGE:$NEW_VERSION" .
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docker push "$IMAGE:$NEW_VERSION"
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echo
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echo "Published $IMAGE:$NEW_VERSION"
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echo "DEPLOY.md updated to the new current online version."
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echo "Suggested next step:"
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echo " git add -A && git commit -m 'Publish v$NEW_VERSION'"
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