mirror of
https://github.com/rangermix/TwitchDropsMiner.git
synced 2026-05-26 07:08:04 +00:00
rework on get prev version script
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github-actions[bot]
176
.github/scripts/get_previous_version.sh
vendored
176
.github/scripts/get_previous_version.sh
vendored
@@ -1,74 +1,170 @@
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#!/bin/bash
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# get_previous_version.sh - Extract the previous version from git history
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# Usage: get_previous_version.sh <version>
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# get_previous_version.sh - Extract versions from git history with chronological filtering
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# Usage: get_previous_version.sh [version]
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#
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# Arguments:
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# version: The current semver version (e.g., 1.2.3 or 2.0.0-rc.1)
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# version: (Optional) The current semver version (e.g., 1.2.3 or 2.0.0-rc.1)
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#
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# Output:
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# Prints the previous version to stdout
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# Returns exit code 0 on success, non-zero on failure
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# - No argument: Lists all versions in chronological order (newest first)
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# - With argument: Prints the previous version before the specified version
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#
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# This script:
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# 1. Finds the commit that introduced the specified version
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# 2. Gets the parent commit of that version change
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# 3. Extracts the version from the parent commit
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# 4. Outputs the previous version
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# 1. Extracts all versions from git history of src/version.py
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# 2. Validates each version using validate_semver.sh
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# 3. Filters out duplicates (keeps newest occurrence)
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# 4. Filters out reverts (versions that break chronological order)
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# 5. Returns a clean, monotonically decreasing version list
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set -euo pipefail
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# Path to validate_semver.sh
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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VALIDATE_SEMVER="$SCRIPT_DIR/validate_semver.sh"
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# Display usage information
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usage() {
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echo "Usage: $0 <version>" >&2
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echo "Usage: $0 [version]" >&2
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echo "" >&2
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echo "Extracts the previous version from git history before the specified version." >&2
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echo "Extracts and filters versions from git history of src/version.py." >&2
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echo "Removes duplicates and reverts to provide a clean chronological list." >&2
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echo "" >&2
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echo "Arguments:" >&2
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echo " version: The current semver version (e.g., 1.2.3 or 2.0.0-rc.1)" >&2
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echo " version: (Optional) The current semver version (e.g., 1.2.3 or 2.0.0-rc.1)" >&2
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echo "" >&2
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echo "Examples:" >&2
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echo " $0 # List all versions in chronological order" >&2
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echo " $0 1.2.3 # Get version before 1.2.3" >&2
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echo " $0 2.0.0-rc.1 # Get version before 2.0.0-rc.1" >&2
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exit 1
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}
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# Check if version argument is provided
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if [ "$#" -ne 1 ]; then
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echo "Error: Version argument required" >&2
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# Extract and filter versions from git history
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# Returns filtered versions and dates via global arrays
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get_filtered_versions() {
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# Arrays to store all versions
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local -a all_versions=()
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local -a all_dates=()
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local -a all_timestamps=()
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# Extract all versions from git history
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while IFS='|' read -r commit_hash timestamp date_human; do
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# Extract version from this commit
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local version
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version=$(git show "$commit_hash:src/version.py" 2>/dev/null | grep -oP '__version__ = "\K[^"]+' || echo "")
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# Skip if version extraction failed
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if [ -z "$version" ]; then
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continue
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fi
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# Validate version using validate_semver.sh
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if ! bash "$VALIDATE_SEMVER" "$version" >/dev/null 2>&1; then
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continue
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fi
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# Store this version
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all_versions+=("$version")
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all_dates+=("$date_human")
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all_timestamps+=("$timestamp")
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done < <(git log --all --format="%H|%ct|%ci" --follow -- src/version.py)
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# Sort arrays by timestamp (newest first)
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# Create indexed array for sorting
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local -a indices=()
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for i in "${!all_timestamps[@]}"; do
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indices+=("$i")
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done
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# Bubble sort by timestamp (descending)
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local n=${#indices[@]}
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for ((i = 0; i < n-1; i++)); do
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for ((j = 0; j < n-i-1; j++)); do
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local idx1=${indices[$j]}
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local idx2=${indices[$((j+1))]}
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if [ "${all_timestamps[$idx1]}" -lt "${all_timestamps[$idx2]}" ]; then
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# Swap
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local temp=${indices[$j]}
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indices[$j]=${indices[$((j+1))]}
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indices[$((j+1))]=$temp
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fi
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done
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done
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# Filter duplicates and reverts
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declare -A seen_versions
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filtered_versions=()
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filtered_dates=()
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local max_version=""
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for idx in "${indices[@]}"; do
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local version="${all_versions[$idx]}"
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local date="${all_dates[$idx]}"
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# Skip duplicates (keep only first/newest occurrence)
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if [[ -n "${seen_versions[$version]:-}" ]]; then
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continue
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fi
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# Skip reverts (versions greater than what we've already seen)
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if [[ -n "$max_version" ]]; then
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if bash "$VALIDATE_SEMVER" "$version" ">$max_version" >/dev/null 2>&1; then
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# This version is greater than max_version = revert detected, skip
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continue
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fi
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fi
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# Keep this version
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filtered_versions+=("$version")
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filtered_dates+=("$date")
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seen_versions["$version"]=1
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max_version="$version"
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done
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}
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# Check arguments
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if [ "$#" -gt 1 ]; then
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echo "Error: Too many arguments" >&2
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usage
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fi
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# Get filtered versions
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declare -a filtered_versions
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declare -a filtered_dates
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get_filtered_versions
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# Handle based on number of arguments
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if [ "$#" -eq 0 ]; then
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# No argument: list all versions
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echo "Recent versions:" >&2
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echo "" >&2
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for i in "${!filtered_versions[@]}"; do
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echo "${filtered_versions[$i]} | ${filtered_dates[$i]}" >&2
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done
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exit 0
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else
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# One argument: find previous version
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VERSION="$1"
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# Get the git history of version.py, find the commit that introduced $VERSION
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CURRENT_VERSION_COMMIT=$(git log --all --format="%H" --follow -S "__version__ = \"$VERSION\"" -- src/version.py | head -1)
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if [ -z "$CURRENT_VERSION_COMMIT" ]; then
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echo "Error: Could not find commit that set version to $VERSION" >&2
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# Find the version in the list
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for i in "${!filtered_versions[@]}"; do
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if [ "${filtered_versions[$i]}" = "$VERSION" ]; then
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# Found it, return the next version in the list
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next_idx=$((i + 1))
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if [ "$next_idx" -lt "${#filtered_versions[@]}" ]; then
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echo "${filtered_versions[$next_idx]}"
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exit 0
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else
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echo "Error: No previous version found (this is the oldest version)" >&2
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exit 1
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fi
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# Get the previous commit for version.py
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PREVIOUS_VERSION_COMMIT=$(git log --all --format="%H" --follow "$CURRENT_VERSION_COMMIT^..HEAD" -- src/version.py | grep -A1 "$CURRENT_VERSION_COMMIT" | tail -1 || true)
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# If we can't find a previous commit in that way, try getting the parent commit and extracting version from there
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if [ -z "$PREVIOUS_VERSION_COMMIT" ] || [ "$PREVIOUS_VERSION_COMMIT" = "$CURRENT_VERSION_COMMIT" ]; then
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PREVIOUS_VERSION_COMMIT=$(git rev-parse "$CURRENT_VERSION_COMMIT^" 2>/dev/null || true)
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fi
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done
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if [ -z "$PREVIOUS_VERSION_COMMIT" ]; then
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echo "Error: Could not find previous commit for version.py" >&2
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# Version not found in list
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echo "Error: Version $VERSION not found in git history" >&2
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exit 1
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fi
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# Extract version from that commit
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PREVIOUS_VERSION=$(git show "$PREVIOUS_VERSION_COMMIT:src/version.py" | grep -oP '__version__ = "\K[^"]+' || true)
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if [ -z "$PREVIOUS_VERSION" ]; then
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echo "Error: Could not extract previous version from commit ${PREVIOUS_VERSION_COMMIT:0:7}" >&2
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exit 1
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fi
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# Output the previous version to stdout
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echo "$PREVIOUS_VERSION"
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