portage-ng --fetchonly
>>> Emerging : portage://www-apache/mod_backtrace-2.01-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ useflag portage://www-servers/apache-2.4.69 (debug)
└─step 2─┤ download portage://app-admin/apache-tools-2.4.69
│ └─ file ─┤ 8.12 Mb httpd-2.4.69.tar.bz2
│ download portage://dev-libs/apr-1.7.6-r1
│ └─ file ─┤ 878.58 Kb apr-1.7.6.tar.bz2
│ download portage://dev-libs/apr-util-1.6.5
│ └─ file ─┤ 431.68 Kb apr-util-1.6.5.tar.bz2
│ download portage://www-apache/mod_backtrace-2.01-r2
│ └─ file ─┤ 911.30 Kb wku_bt-2.01.zip
│ download portage://www-servers/apache-2.4.69
│ └─ file ─┤ 26.35 Kb gentoo-apache-2.4.66-20251205.tar.bz2
│ │ 8.12 Mb httpd-2.4.69.tar.bz2
Total: 6 actions (1 useflag, 5 downloads), grouped into 2 steps.
18.43 Mb to be downloaded.
>>> Assumptions taken during proving & planning:
USE flag change (1 package):
Add to /etc/portage/package.use:
www-servers/apache debug