guix: Zip file non-determinism when building in WSL #32931

1. 
   achow101 commented at 6:53 am on July 10, 2025: member

   In debugging #32923, I found that while it is possible to do a guix build in WSL on a aarch64 machine, the resulting zip files did not match the build on x86_64. The binaries within the zip files matched, and it appears the non-determinism comes from zip including the file permissions. This is presumably because the WSL build occurs on a NTFS drive which handles file permissions differently from other unix file systems.

   Diffoscope output:

    0--- x86_64-zipinfo	2025-07-09 23:52:39.650231781 -0700
    1+++ aarch64-zipinfo	2025-07-09 23:52:45.010145329 -0700
    2@@ -1,27 +1,27 @@
    3-Archive:  ../../../guix-build-ea5d2bb98598/output/x86_64-w64-mingw32/bitcoin-ea5d2bb98598-win64-unsigned.zip
    4+Archive:  bitcoin-ea5d2bb98598-win64-unsigned.zip
    5 Zip file size: 45922845 bytes, number of entries: 24
    6-drwxr-xr-x  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/
    7-drwxr-xr-x  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/
    8--rwxr-xr-x  3.0 unx  2235411 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-cli.exe
    9--rwxr-xr-x  3.0 unx 40257059 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-qt.exe
   10--rwxr-xr-x  3.0 unx  4107283 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-tx.exe
   11--rwxr-xr-x  3.0 unx  1935891 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-util.exe
   12--rwxr-xr-x  3.0 unx  8202259 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-wallet.exe
   13--rwxr-xr-x  3.0 unx  1216019 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin.exe
   14--rwxr-xr-x  3.0 unx 14261779 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoind.exe
   15--rwxr-xr-x  3.0 unx 25802259 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/test_bitcoin.exe
   16--rw-r--r--  3.0 unx      126 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bitcoin.conf
   17--rw-r--r--  3.0 unx      846 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/readme.txt
   18-drwxr-xr-x  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/
   19-drwxr-xr-x  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/
   20-drwxr-xr-x  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/
   21--rw-r--r--  3.0 unx      214 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-cli.1
   22--rw-r--r--  3.0 unx      211 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-qt.1
   23--rw-r--r--  3.0 unx      211 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-tx.1
   24--rw-r--r--  3.0 unx      217 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-util.1
   25--rw-r--r--  3.0 unx      223 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-wallet.1
   26--rw-r--r--  3.0 unx      205 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoind.1
   27-drwxr-xr-x  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/rpcauth/
   28--rw-r--r--  3.0 unx      453 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/rpcauth/README.md
   29--rwxr-xr-x  3.0 unx     1764 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/rpcauth/rpcauth.py
   30+drwxrwxrwx  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/
   31+drwxrwxrwx  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/
   32+-rwxrwxrwx  3.0 unx  2235411 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-cli.exe
   33+-rwxrwxrwx  3.0 unx 40257059 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-qt.exe
   34+-rwxrwxrwx  3.0 unx  4107283 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-tx.exe
   35+-rwxrwxrwx  3.0 unx  1935891 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-util.exe
   36+-rwxrwxrwx  3.0 unx  8202259 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin-wallet.exe
   37+-rwxrwxrwx  3.0 unx  1216019 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoin.exe
   38+-rwxrwxrwx  3.0 unx 14261779 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/bitcoind.exe
   39+-rwxrwxrwx  3.0 unx 25802259 b- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bin/test_bitcoin.exe
   40+-rwxrwxrwx  3.0 unx      126 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/bitcoin.conf
   41+-rwxrwxrwx  3.0 unx      846 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/readme.txt
   42+drwxrwxrwx  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/
   43+drwxrwxrwx  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/
   44+drwxrwxrwx  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/
   45+-rwxrwxrwx  3.0 unx      214 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-cli.1
   46+-rwxrwxrwx  3.0 unx      211 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-qt.1
   47+-rwxrwxrwx  3.0 unx      211 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-tx.1
   48+-rwxrwxrwx  3.0 unx      217 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-util.1
   49+-rwxrwxrwx  3.0 unx      223 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoin-wallet.1
   50+-rwxrwxrwx  3.0 unx      205 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/man/man1/bitcoind.1
   51+drwxrwxrwx  3.0 unx        0 b- stor 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/rpcauth/
   52+-rwxrwxrwx  3.0 unx      453 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/rpcauth/README.md
   53+-rwxrwxrwx  3.0 unx     1764 t- defN 25-Jul-10 05:44 bitcoin-ea5d2bb98598/share/rpcauth/rpcauth.py
   

2. maflcko added the label Build system on Jul 10, 2025
3. maflcko added the label Windows on Jul 10, 2025
4. maflcko removed the label Windows on Jul 10, 2025
5. 
   achow101 commented at 9:18 pm on July 10, 2025: member

   Switching to a non-ntfs drive works I guess. But it would be preferable if the build was filesystem agnostic.

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