b84716ff9c
System.Version can't parse SemVer prerelease ("-alpha") or MinVer build
metadata ("+sha") suffixes, so an installed 1.0.2-alpha was treated as
unparseable. Reduce both sides to their numeric core before comparing.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
22 lines
894 B
C#
22 lines
894 B
C#
namespace ClaudeDo.Releases;
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public readonly record struct VersionCompareResult(bool IsNewer, bool Unparseable);
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public static class VersionComparer
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{
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public static VersionCompareResult Compare(string latest, string current)
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{
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var unparseable = !Version.TryParse(CoreVersion(latest), out var lv)
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| !Version.TryParse(CoreVersion(current), out var cv);
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if (unparseable) return new VersionCompareResult(false, true);
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return new VersionCompareResult(lv > cv, false);
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}
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// Reduce a tag/version to its numeric core: drop a leading "v", MinVer build
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// metadata ("+sha"), and any SemVer prerelease suffix ("-alpha") — none of
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// which System.Version can parse. So "v1.0.2-alpha+abc" -> "1.0.2".
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private static string CoreVersion(string value)
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=> (value ?? "").TrimStart('v', 'V').Split('+')[0].Split('-')[0];
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}
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