2026-09-11 16:38:28 +02:00
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#!/bin/sh
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set -u
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SRC_DIR="$1"
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OUT_FILE="$2"
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git_ver="unknown"
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git_branch="unknown"
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if command -v git >/dev/null 2>&1 && [ -d "$SRC_DIR/.git" ]; then
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ver=$(git -C "$SRC_DIR" describe --always --dirty --tags 2>/dev/null | tr -d '\n\r')
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if [ $? -eq 0 ] && [ -n "$ver" ]; then
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git_ver="$ver"
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fi
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branch=$(git -C "$SRC_DIR" symbolic-ref --short -q HEAD 2>/dev/null | tr -d '\n\r')
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if [ -z "$branch" ]; then
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branch="detached"
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fi
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git_branch="$branch"
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fi
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2026-09-13 21:19:49 +02:00
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build_time=$(date '+%Y-%m-%d %H:%M:%S' 2>/dev/null)
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2026-09-11 16:38:28 +02:00
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mkdir -p "$(dirname "$OUT_FILE")"
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TMP="$OUT_FILE.tmp.$$"
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cat > "$TMP" <<EOF
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#pragma once
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static constexpr const char* const SM26_GIT_VERSION = "$git_ver";
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static constexpr const char* const SM26_GIT_BRANCH = "$git_branch";
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static constexpr const char* const SM26_BUILD_TIME = "$build_time";
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EOF
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if [ ! -f "$OUT_FILE" ] || ! cmp -s "$TMP" "$OUT_FILE"; then
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mv "$TMP" "$OUT_FILE"
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else
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rm -f "$TMP"
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fi
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echo "buildinfo: v$git_ver ($git_branch) @ $build_time"
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