fix build?

PluralKit.Bot/Commands/Misc.cs

@@ -67,6 +67,7 @@ public class Misc
         {
             var content = $"Stats unavailable (is scheduled_tasks service running?)\n\n**Quick info:**"
                         + $"\nPluralKit [{BuildInfoService.Version}](<https://github.com/pluralkit/pluralkit/commit/{BuildInfoService.FullVersion}>)"
+                        + (BuildInfoService.IsDev ? ", **development build**" : "")
                         + $"\nCurrently on shard {ctx.ShardId}, {shardsUp}/{shards.Count()} shards up,"
                         + $" API latency: {apiLatency.TotalMilliseconds:F0}ms";
             await ctx.Rest.EditMessage(msg.ChannelId, msg.Id,

PluralKit.Core/PluralKit.Core.csproj

@@ -57,7 +57,7 @@
     </ItemGroup>
 
     <Target Name="SetSourceRevisionId" BeforeTargets="InitializeSourceControlInformation">
-        <Exec Command="git rev-parse HEAD &gt; ../.version &amp; git show --no-patch --format=%at $(git rev-parse HEAD) &gt;&gt; ../.version &amp; (git diff-index --quiet HEAD -- &amp;&amp; echo 1) &gt;&gt; ../.version" IgnoreExitCode="True">
+        <Exec Command="../ci/dotnet-version.sh" IgnoreExitCode="False">
         </Exec>
     </Target>
 

PluralKit.Core/Services/BuildInfoService.cs

@@ -18,7 +18,7 @@ public static class BuildInfoService
         FullVersion = data[0];
         Timestamp = data[1];
 
-        IsDev = data[2] == "";
+        IsDev = data.Length < 3 || data[2] == "";
 
         // show only short commit hash to users
         Version = FullVersion.Remove(7);

ci/dotnet-version.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+rm ../.version || true
+touch ../.version
+git rev-parse HEAD >> ../.version
+git show --no-patch --format=%at $(git rev-parse HEAD) >> ../.version
+(git diff-index --quiet HEAD -- && echo 1) >> ../.version || true