PREMIRRORS() {
cvs://.*/.*     ${SOURCE_MIRROR_URL}
svn://.*/.*     ${SOURCE_MIRROR_URL}
git://.*/.*     ${SOURCE_MIRROR_URL}
gitsm://.*/.*   ${SOURCE_MIRROR_URL}
hg://.*/.*      ${SOURCE_MIRROR_URL}
bzr://.*/.*     ${SOURCE_MIRROR_URL}
p4://.*/.*      ${SOURCE_MIRROR_URL}
osc://.*/.*     ${SOURCE_MIRROR_URL}
https?$://.*/.* ${SOURCE_MIRROR_URL}
ftp://.*/.*     ${SOURCE_MIRROR_URL}
}