-
-
Notifications
You must be signed in to change notification settings - Fork 106
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Deduplicate assemblies and share the same file across targets where it makes sense.
- Loading branch information
1 parent
39e49b7
commit 7edb4f4
Showing
5 changed files
with
142 additions
and
14 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // bflat C# compiler | ||
| // Copyright (C) 2021-2022 Michal Strehovsky | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as published | ||
| // by the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
|
|
||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Collections.Immutable; | ||
| using System.IO; | ||
| using System.Reflection.Metadata; | ||
| using System.Reflection.PortableExecutable; | ||
|
|
||
| Merge(args[0]); | ||
|
|
||
| static void Merge(string directory) | ||
| { | ||
| foreach (string subDirectory in Directory.EnumerateDirectories(directory)) | ||
| Merge(subDirectory); | ||
|
|
||
| Dictionary<string, List<string>> candidates = new Dictionary<string, List<string>>(); | ||
| int expectedFiles = 0; | ||
| foreach (string subDirectory in Directory.EnumerateDirectories(directory)) | ||
| { | ||
| expectedFiles++; | ||
| foreach (var f in Directory.EnumerateFiles(subDirectory, "*.dll")) | ||
| { | ||
| string key = Path.GetFileName(f); | ||
| if (!candidates.TryGetValue(key, out List<string> list)) | ||
| candidates.Add(key, list = new List<string>()); | ||
| list.Add(f); | ||
| } | ||
| } | ||
|
|
||
| foreach (var maybeSameFiles in candidates.Values) | ||
| { | ||
| if (maybeSameFiles.Count != expectedFiles) | ||
| continue; | ||
|
|
||
| bool allSame = true; | ||
| ReadOnlySpan<byte> expected = SanitizedAssemblyBytes(maybeSameFiles[0]); | ||
| for (int i = 1; i < maybeSameFiles.Count; i++) | ||
| { | ||
| ReadOnlySpan<byte> actual = SanitizedAssemblyBytes(maybeSameFiles[i]); | ||
| if (!expected.SequenceEqual(actual)) | ||
| { | ||
| allSame = false; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if (allSame) | ||
| { | ||
| File.Move(maybeSameFiles[0], Path.Combine(directory, Path.GetFileName(maybeSameFiles[0]))); | ||
| string pdbFile = Path.ChangeExtension(maybeSameFiles[0], "pdb"); | ||
| if (File.Exists(pdbFile)) | ||
| File.Move(pdbFile, Path.Combine(directory, Path.GetFileName(pdbFile))); | ||
|
|
||
| for (int i = 1; i < maybeSameFiles.Count; i++) | ||
| { | ||
| File.Delete(maybeSameFiles[i]); | ||
| pdbFile = Path.ChangeExtension(maybeSameFiles[i], "pdb"); | ||
| if (File.Exists(pdbFile)) | ||
| File.Delete(pdbFile); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| static byte[] SanitizedAssemblyBytes(string fileName) | ||
| { | ||
| byte[] b = File.ReadAllBytes(fileName); | ||
| Span<byte> span = b; | ||
| PEReader perdr = new PEReader(ImmutableArray.Create(b)); | ||
| span.Slice(perdr.PEHeaders.CoffHeaderStartOffset + 4, 4).Clear(); | ||
| MetadataReader mdrdr = perdr.GetMetadataReader(); | ||
| Guid mvid = mdrdr.GetGuid(mdrdr.GetModuleDefinition().Mvid); | ||
| span.Slice(span.IndexOf(mvid.ToByteArray()), 16).Clear(); | ||
| foreach (var ddentry in perdr.ReadDebugDirectory()) | ||
| span.Slice(ddentry.DataPointer, ddentry.DataSize).Clear(); | ||
| if (perdr.PEHeaders.TryGetDirectoryOffset(perdr.PEHeaders.PEHeader.DebugTableDirectory, out int debugDir)) | ||
| span.Slice(debugDir, perdr.PEHeaders.PEHeader.DebugTableDirectory.Size).Clear(); | ||
| return b; | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
|
||
| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| </PropertyGroup> | ||
|
|
||
| </Project> |