X-Git-Url: https://git.grml.org/?a=blobdiff_plain;f=grml-debootstrap;h=19d7a52922195a295226c8789ede2eba267f37bc;hb=9b2cf8303e8e403b1bd9eaa5dbf6f3e795a4f426;hp=dfef90bd0b5158feaa20dfea2712b9e975629184;hpb=cfa16515e4c5a4d4fd6a5bf4f097379ef54b4a5d;p=grml-debootstrap.git

diff --git a/grml-debootstrap b/grml-debootstrap
index dfef90b..19d7a52 100755
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -247,6 +247,32 @@ check4progs(){
 }
 # }}}
 
+# unmount mountpoint {{{
+try_umount() {
+  local tries=$1
+  local mountpoint="$2"
+
+  if ! mountpoint "$mountpoint" &>/dev/null ; then
+    return 0
+  fi
+
+  for (( try=1; try<=tries; try++ )); do
+    if [[ ${try} -eq ${tries} ]]; then
+      # Last time, show errors this time
+      umount "${mountpoint}" && return 0
+    else
+      # Not last time, hide errors until fatal
+      if umount "${mountpoint}" 2>/dev/null ; then
+        return 0
+      else
+        sleep 1
+      fi
+    fi
+  done
+  return 1  # Tried enough
+}
+# }}}
+
 # helper functions {{{
 cleanup() {
   if [ -n "$CHROOT_VARIABLES" ] ; then
@@ -1346,10 +1372,28 @@ mkfs() {
       # if we deploy to /dev/sdX# then let's see if /dev/sdX exists
       local main_device="${TARGET%%[0-9]*}"
       # sanity check to not try to e.g. access /dev/loop if we get /dev/loop0
-      if [ -f "/sys/block/$(basename "${main_device}")/$(basename "${TARGET}")/dev" ] ; then
-        blockdev --rereadpt "$main_device"
-      else
+      if ! [ -f "/sys/block/$(basename "${main_device}")/$(basename "${TARGET}")/dev" ] ; then
         einfo "No underlying block device for $TARGET identified, skipping blockdev --rereadpt."
+      else
+        udevadm settle
+        # ensure we give blockdev up to 30 seconds/retries
+        local timeout=30
+        local success=0
+        while [ "$timeout" -gt 0 ] ; do
+          ((timeout--))
+          if blockdev --rereadpt "${main_device}" ; then
+            success=1
+            break
+          else
+            ewarn "Failed to reread partition table of ${main_device} [${timeout} retries left]"
+            sleep 1
+          fi
+        done
+
+        if [ "${success}" = "0" ] ; then
+          eerror "Error: failed to reread partition table, giving up."
+          bailout 1
+        fi
       fi
     fi
     # give the system 2 seconds, otherwise we might run into
@@ -2012,32 +2056,6 @@ execute_post_scripts() {
 }
 # }}}
 
-# unmount mountpoint {{{
-try_umount() {
-  local tries=$1
-  local mountpoint="$2"
-
-  if ! mountpoint "$mountpoint" &>/dev/null ; then
-    return 0
-  fi
-
-  for (( try=1; try<=tries; try++ )); do
-    if [[ ${try} -eq ${tries} ]]; then
-      # Last time, show errors this time
-      umount "${mountpoint}" && return 0
-    else
-      # Not last time, hide errors until fatal
-      if umount "${mountpoint}" 2>/dev/null ; then
-        return 0
-      else
-        sleep 1
-      fi
-    fi
-  done
-  return 1  # Tried enough
-}
-# }}}
-
 # execute chroot-script {{{
 chrootscript() {
   if ! [ -r "$MNTPOINT/bin/chroot-script" ] ; then