feat: added ELECTRON_BUILDER_7Z_FILTER env variable for 7z filter (#…

…7609)
electron-userland · Jun 14, 2023 · 99f49cf · 99f49cf
1 parent f464e3e
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diff --git a/.changeset/nervous-readers-worry.md b/.changeset/nervous-readers-worry.md
@@ -0,0 +1,5 @@
+---
+"app-builder-lib": minor
+---
+
+Added env variable for 7z filter
diff --git a/packages/app-builder-lib/src/targets/archive.ts b/packages/app-builder-lib/src/targets/archive.ts
@@ -137,6 +137,12 @@ export function compute7zCompressArgs(format: string, options: ArchiveOptions =
       args.push("-mhc=off")
     }
 
+    // https://www.7-zip.org/7z.html
+    // Filters: BCJ, BCJ2, ARM, ARMT, IA64, PPC, SPARC, ...
+    if (process.env.ELECTRON_BUILDER_7Z_FILTER) {
+      args.push(`-mf=${process.env.ELECTRON_BUILDER_7Z_FILTER}`)
+    }
+
     // args valid only for 7z
     // -mtm=off disable "Stores last Modified timestamps for files."
     args.push("-mtm=off", "-mta=off")