This works around the lack of per-set disc names. Once the first disc
has been detected, ebuilds can adjust CDROM_NAMES to contain just the
names from the matched CDROM_SET.
---
 eclass/cdrom.eclass | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/eclass/cdrom.eclass b/eclass/cdrom.eclass
index 72250556e624..9724c66ca2ce 100644
--- a/eclass/cdrom.eclass
+++ b/eclass/cdrom.eclass
@@ -102,15 +102,7 @@ cdrom_get_cds() {
                einfo "export CD_ROOT=/mnt/cdrom"
                echo
        else
-               if [[ -n ${CDROM_NAMES} ]] ; then
-                       # Translate the CDROM_NAMES array into CDROM_NAME_#
-                       cdcnt=0
-                       while [[ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ]] ; do
-                               ((++cdcnt))
-                               export 
CDROM_NAME_${cdcnt}="${CDROM_NAMES[$((${cdcnt}-1))]}"
-                       done
-               fi
-
+               _cdrom_set_names
                einfo "This package will need access to ${CDROM_TOTAL_CDS} cds."
                cdcnt=0
                while [[ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ]] ; do
@@ -152,6 +144,8 @@ cdrom_load_next_cd() {
        local var
        ((++CDROM_CURRENT_CD))
 
+       _cdrom_set_names
+
        unset CDROM_ROOT
        var=CD_ROOT_${CDROM_CURRENT_CD}
        [[ -z ${!var} ]] && var="CD_ROOT"
@@ -258,4 +252,17 @@ _cdrom_glob_match() {
        )
 }
 
+# @FUNCTION: _cdrom_set_names
+# @INTERNAL
+# @DESCRIPTION:
+# Populate CDROM_NAME_# variables with the CDROM_NAMES array.
+_cdrom_set_names() {
+       if [[ -n ${CDROM_NAMES} ]] ; then
+               local i
+               for i in $(seq ${#CDROM_NAMES[@]}); do
+                       export CDROM_NAME_${i}="${CDROM_NAMES[$((${i} - 1))]}"
+               done
+       fi
+}
+
 fi
-- 
2.11.0


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