X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=chroot-script;h=751eac3f714d0568c5b2ab6d88c126406fce12e6;hp=d3535b0c76c24f445bedcf0601ed7e4dd6fb33bd;hb=4f9ea9128412213f405416da7f15c3f329857f12;hpb=488643ab1a3e97a77bdb01f1070c8e83c6b346f9

diff --git a/chroot-script b/chroot-script
index d3535b0..751eac3 100755
--- a/chroot-script
+++ b/chroot-script
@@ -55,9 +55,9 @@ stage() {
 askpass() {
   # read -s emulation for dash. result is in $resp.
   set -o noglob
-  stty -echo
+  [ -t 0 ] && stty -echo
   read resp
-  stty echo
+  [ -t 0 ] && stty echo
   set +o noglob
 }
 # }}}
@@ -165,6 +165,32 @@ EOF
 }
 # }}}
 
+# check available backports release version {{{
+checkbackports() {
+  wget -q -O/dev/null http://backports.debian.org/debian-backports/dists/${1}-backports/Release
+}
+# }}}
+
+# feature to provide Debian backports repos {{{
+backportrepos() {
+    if [ -n "$BACKPORTREPOS" ] ; then
+        if ! checkbackports $RELEASE ; then
+            echo "Backports for ${RELEASE} are not available." >&2
+            exit 1
+        else
+            # user might have provided their own apt sources.list
+            if ! grep -q backports /etc/apt/sources.list.d/backports.list 2>/dev/null ; then
+                cat >> /etc/apt/sources.list.d/backports.list << EOF
+# debian backports: ${RELEASE}-backports repository:
+deb     http://backports.debian.org/debian-backports ${RELEASE}-backports main
+deb-src http://backports.debian.org/debian-backports ${RELEASE}-backports main
+EOF
+            fi
+        fi
+    fi
+}
+# }}}
+
 # set up kernel-img.conf {{{
 kernelimg_conf() {
   if ! [ -r /etc/kernel-img.conf ] ; then
@@ -578,7 +604,7 @@ trap signal_handler HUP INT QUIT TERM
  # always execute install_policy_rcd
  install_policy_rcd
 
- for i in chrootmirror grmlrepos kernelimg_conf \
+ for i in chrootmirror grmlrepos backportrepos kernelimg_conf \
      kernel packages extrapackages  reconfigure hosts interfaces \
      timezone fstab hostname initrd grub_install passwords        \
      custom_scripts upgrade_system remove_apt_cache services \