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#!/bin/bash
#
# Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#
# This script generates a version string based on the latest Git tag and branch.
#
# Usage:
# ./get-ver Outputs a simplified version for a release when on a tag.
# ./get-ver -v Outputs the full version string with commit count and hash.
# Output formats:
# Simplified: "X.Y.Z" (when the commit matches a tag and no options are passed)
# Full: "X.Y.Z-N-g<commit-hash>" (always, or with -v option)
# Function to generate the version string
generate_version() {
local current_branch
current_branch=$(git rev-parse --abbrev-ref HEAD)
# Find the latest tag matching "rshim-X.Y.Z" merged into the current branch
local latest_tag
latest_tag=$(git tag --list "rshim-[0-9]*.[0-9]*.[0-9]*" --merged "$current_branch" | sort -V | tail -n 1)
# Generate the full version string
local version
version=$(git describe --always --tags --match "$latest_tag" --long)
version=${version#rshim-} # Remove the "rshim-" prefix
# Extract components of the version string
local base_version commit_count commit_hash
base_version=$(echo "$version" | cut -d- -f1) # "X.Y.Z"
commit_count=$(echo "$version" | cut -d- -f2) # "N"
commit_hash=$(echo "$version" | cut -d- -f3) # "g<commit-hash>"
# Simplified version output when commit is at the tag
if [[ "$commit_count" == "0" ]] && [[ "$1" != "-v" ]]; then
echo "$base_version"
else
echo "$base_version-$commit_count-$commit_hash"
fi
}
if [[ "$1" == "-v" ]]; then
generate_version -v
else
generate_version
fi
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