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make-ext4-fs: Fix modification timestamps in image

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Use '-f' to make timestamp calls to always return the same time. Also
Nix uses the timestamp of '1' instead of epoch directly.
This commit is contained in:
Tuomas Tynkkynen 2017-07-29 22:03:43 +03:00
parent 4d66de88ff
commit 1d72474df7
1 changed files with 2 additions and 2 deletions
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4
nixos/lib/make-ext4-fs.nix
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@ -33,7 +33,7 @@ pkgs.stdenv.mkDerivation {
echo "Creating an EXT4 image of $bytes bytes (numInodes=$numInodes, numDataBlocks=$numDataBlocks)" echo "Creating an EXT4 image of $bytes bytes (numInodes=$numInodes, numDataBlocks=$numDataBlocks)"
truncate -s $bytes $out truncate -s $bytes $out
faketime "1970-01-01 00:00:00" mkfs.ext4 -L ${volumeLabel} -U 44444444-4444-4444-8888-888888888888 $out faketime -f "1970-01-01 00:00:01" mkfs.ext4 -L ${volumeLabel} -U 44444444-4444-4444-8888-888888888888 $out
# Populate the image contents by piping a bunch of commands to the `debugfs` tool from e2fsprogs. # Populate the image contents by piping a bunch of commands to the `debugfs` tool from e2fsprogs.
# For example, to copy /nix/store/abcd...efg-coreutils-8.23/bin/sleep: # For example, to copy /nix/store/abcd...efg-coreutils-8.23/bin/sleep:
@ -76,7 +76,7 @@ pkgs.stdenv.mkDerivation {
echo sif $file gid 30000 # chgrp to nixbld echo sif $file gid 30000 # chgrp to nixbld
done done
) | faketime "1970-01-01 00:00:00" debugfs -w $out -f /dev/stdin > errorlog 2>&1 ) | faketime -f "1970-01-01 00:00:01" debugfs -w $out -f /dev/stdin > errorlog 2>&1
# The debugfs tool doesn't terminate on error nor exit with a non-zero status. Check manually. # The debugfs tool doesn't terminate on error nor exit with a non-zero status. Check manually.
if egrep -q 'Could not allocate|File not found' errorlog; then if egrep -q 'Could not allocate|File not found' errorlog; then