libgimp: fix XMP modification date separators

Similar to issue #14731, when exporting we incorrectly set
the date/month/year separators to : instead of -.

This commit fixes that.
This commit is contained in:
Jacob Boerema 2025-08-22 15:14:20 -04:00
parent 3211ab1408
commit 922e409045

View file

@ -185,7 +185,7 @@ gimp_image_metadata_save_prepare (GimpImage *image,
if (gimp_update_metadata ())
{
/* XMP uses datetime in ISO 8601 format */
datetime_buf = g_date_time_format (datetime, "%Y:%m:%dT%T\%:z");
datetime_buf = g_date_time_format (datetime, "%Y-%m-%dT%T\%:z");
gexiv2_metadata_try_set_tag_string (g2metadata,
"Xmp.xmp.ModifyDate",