make-ext4-fs: Fix modification timestamps in image

Use '-f' to make timestamp calls to always return the same time. Also
Nix uses the timestamp of '1' instead of epoch directly.

+2 -2
+2 -2
nixos/lib/make-ext4-fs.nix
··· 33 33 echo "Creating an EXT4 image of $bytes bytes (numInodes=$numInodes, numDataBlocks=$numDataBlocks)" 34 34 35 35 truncate -s $bytes $out 36 - faketime "1970-01-01 00:00:00" mkfs.ext4 -L ${volumeLabel} -U 44444444-4444-4444-8888-888888888888 $out 36 + faketime -f "1970-01-01 00:00:01" mkfs.ext4 -L ${volumeLabel} -U 44444444-4444-4444-8888-888888888888 $out 37 37 38 38 # Populate the image contents by piping a bunch of commands to the `debugfs` tool from e2fsprogs. 39 39 # For example, to copy /nix/store/abcd...efg-coreutils-8.23/bin/sleep: ··· 76 76 77 77 echo sif $file gid 30000 # chgrp to nixbld 78 78 done 79 - ) | faketime "1970-01-01 00:00:00" debugfs -w $out -f /dev/stdin > errorlog 2>&1 79 + ) | faketime -f "1970-01-01 00:00:01" debugfs -w $out -f /dev/stdin > errorlog 2>&1 80 80 81 81 # The debugfs tool doesn't terminate on error nor exit with a non-zero status. Check manually. 82 82 if egrep -q 'Could not allocate|File not found' errorlog; then