bedazzled@bedazzled /usr/local/portage $ sudo ebuild x11-libs/cairo/cairo-1.1.1_alpha20060115.ebuild digest
>>> Generating digest file...
>>> Generating manifest file...
<<< cairo-1.1.1_alpha20060115.ebuild
<<< files/digest-cairo-1.1.1_alpha20060115
>>> Computed message digests.

bedazzled@bedazzled /usr/local/portage $ ebuild x11-libs/cairo/cairo-1.1.1_alpha20060115.ebuild digest
Appending /usr/local/portage to PORTDIR_OVERLAY...
!!! /usr/local/portage does not seem to have a valid PORTDIR structure.
bedazzled@bedazzled /usr/local/portage $ sudo ebuild x11-misc/glxcompmgr/glxcompmgr-20060119.ebuild digest
>>> Generating digest file...
>>> Generating manifest file...
<<< files/digest-glxcompmgr-20060119
<<< glxcompmgr-20060119.ebuild
>>> Computed message digests.

bedazzled@bedazzled /usr/local/portage $ ebuild x11-misc/glxcompmgr/glxcompmgr-20060119.ebuild digest
>>> Generating digest file...
[Errno 1] Operation not permitted: '/usr/local/portage/x11-misc/glxcompmgr/files/digest-glxcompmgr-20060119'
>>> Generating manifest file...
<<< files/digest-glxcompmgr-20060119
<<< glxcompmgr-20060119.ebuild
[Errno 1] Operation not permitted: '/usr/local/portage/x11-misc/glxcompmgr/Manifest'
>>> Computed message digests.

bedazzled@bedazzled /usr/local/portage $ sudo ebuild x11-misc/glxcompmgr/glxcompmgr-20060119.ebuild digest
>>> Generating digest file...
>>> Generating manifest file...
<<< files/digest-glxcompmgr-20060119
<<< glxcompmgr-20060119.ebuild
>>> Computed message digests.