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tests/erofs_test: Improve accuracy of FSTIME check

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On resource constrained test runs, the last modification time on the
image is an unreliable date to check against the filesystem creation
time. Use dump.erofs to get the filesystem creation time from the
superblock. This should get the timestamp as shown by GRUB's "ls -l".

Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Sudhakar Kuppusamy <sudhakar@linux.ibm.com>
This commit is contained in:
Glenn Washburn 2025-11-12 21:10:42 -06:00 committed by Daniel Kiper
parent a94d3ab7fc
commit de8961314f
1 changed files with 6 additions and 0 deletions
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6
tests/util/grub-fs-tester.in
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@ -1502,6 +1502,12 @@ for LOGSECSIZE in $(range "$MINLOGSECSIZE" "$MAXLOGSECSIZE" 1); do
# With some abstractions like mdraid flushing to disk
# may be delayed for a long time.
FSTIME="$UMOUNT_TIME";;
x"erofs_"*)
# Creating the erofs image may take more than a few
# seconds. Use the more accurate timestamp from the
# superblock.
FSTIME="$(dump.erofs -s "${FSIMAGEP}0.img" | grep ^"Filesystem created:" | (read _ _ REST; echo $REST) )"
FSTIME="$(date -d "$FSTIME" -u '+%Y-%m-%d %H:%M:%S')";;
xsquash*)
# Creating the squash image may take more than a few
# seconds. Use the more accurate timestamp from the