X-Git-Url: https://git.grml.org/?p=grml-live.git;a=blobdiff_plain;f=etc%2Fgrml%2Ffai%2Fconfig%2Fhooks%2Finstsoft.GRMLBASE;h=cf8c3be6fccfe904f3b577a70bbef33212a4518a;hp=5dc3433589c5b4a409003eb4f190490e5b6e7998;hb=16a29e1cd80caf1c63430038e653be3fa4258e0a;hpb=7bbfd24bb59bead0491ff8cb5ab7fa8fe6dee619

diff --git a/etc/grml/fai/config/hooks/instsoft.GRMLBASE b/etc/grml/fai/config/hooks/instsoft.GRMLBASE
index 5dc3433..cf8c3be 100755
--- a/etc/grml/fai/config/hooks/instsoft.GRMLBASE
+++ b/etc/grml/fai/config/hooks/instsoft.GRMLBASE
@@ -9,15 +9,36 @@
 set -u
 set -e
 
+# if hooks/updatebase.GRMLBASE fails for whatever reason
+# and can't skip instsoft.GRMLBASE we have to make sure
+# we exit here as well
+if [ -n "$BUILD_ONLY" ] ; then
+   "Exiting hooks/instsoft.GRMLBASE as BUILD_ONLY environment is set."
+   exit 0
+fi
+
 if [ "$FAI_ACTION" = "softupdate" ] ; then
    echo "Action $FAI_ACTION of FAI (hooks/instsoft.GRMLBASE) via grml-live running"
 
    if [ -r /etc/resolv.conf ] ; then
-      if [ -r $target/etc/resolvconf/run/resolv.conf ] ; then
+     if [ -d $target/etc/resolvconf/run ] ; then # resolvconf
+       # sanity check to avoid "input file is output file",
+       # see http://bts.grml.org/grml/issue984
+       if ! [ -L $target/etc/resolvconf/run/resolv.conf ] ; then
          cat /etc/resolv.conf >> $target/etc/resolvconf/run/resolv.conf
-      else
+       else
+         echo "Error: /etc/resolvconf/run/resolv.conf in chroot should not be a symlink." >&2
+         echo "       Looks like something is wrong, please fix manually." >&2
+         exit 1
+       fi
+     else # no resolvconf installed in chroot
+       if ! [ -L $target/etc/resolv.conf ] ; then
          cat /etc/resolv.conf >> $target/etc/resolv.conf
-      fi
+       else
+         echo "Error: /etc/resolv.conf in chroot should not be a symlink (resolvconf not installed)." >&2
+         exit 1
+       fi
+     fi
    fi
 
    if [ -r $target/etc/policy-rc.d.conf ] ; then