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[debian/amanda] / changer-src / chg-lib.sh.in

diff --git a/changer-src/chg-lib.sh.in b/changer-src/chg-lib.sh.in
index 0e383e67b8358e7d50227e703d2b0af68bfaac91..a53c48a8cfff139732818a8be0e8b8d2ccbe148c 100644 (file)
--- a/changer-src/chg-lib.sh.in
+++ b/changer-src/chg-lib.sh.in
@@ -17,51 +17,23 @@ MTF=@MT_FILE_FLAG@
 # No user-level customization should be required beyond this point.
 ################################################################################
 
-####
-# Set up paths, including PATH for finding amanda executables
-
-PATH="$PATH:@sbindir@:@libexecdir@"
 prefix="@prefix@"
 exec_prefix="@exec_prefix@"
 sbindir="@sbindir@"
 libexecdir="@libexecdir@"
-
-####
-# Gettext
-
-#+
-# Function to:
-#    Simplify gettext usage by allowing printf format
-#    strings for translators, use _() identifier for
-#    xgettext extraction similar to "C" usage and
-#    collapsing "printf `gettext fmt` ...", which is
-#    used everywhere, into one function.
-#-
-_() {
-       fmt=`gettext -d amanda "$1"`
-       shift
-       printf "$fmt" $*
-}
+amlibexecdir="@amlibexecdir@"
+. "${amlibexecdir}/amanda-sh-lib.sh"
 
 ####
 # Eponymous functions to access various amanda apps
 # TODO: move to amanda-sh-lib.sh
 
-if test "@USE_VERSION_SUFFIXES@" = "yes"; then
-    amgetconf() {
-        "${sbindir}/amgetconf-@VERSION@" "${@}"
-    }
-    amdevcheck() {
-        "${sbindir}/amdevcheck-@VERSION@" "${@}"
-    }
-else
-    amgetconf() {
-        "${sbindir}/amgetconf" "${@}"
-    }
-    amdevcheck() {
-        "${sbindir}/amdevcheck" "${@}"
-    }
-fi
+amgetconf() {
+    "${sbindir}/amgetconf" "${@}"
+}
+amdevcheck() {
+    "${sbindir}/amdevcheck" "${@}"
+}
 
 # This function tries to find a useable mt binary. If a fully-qualified path
 # was provided at configure time or via a config file, we check that it
@@ -103,32 +75,36 @@ try_find_mt() {
 # This function strips the tape: from the front of device names.
 # Capture its output with ``.
 tape_device_filename() {
-    # Easy (?) to express this in Perl.
-    perl -e '$ARGV[0] =~ /^(?:([^:]+):)?(.*)$/;
-             print $2 if ($1 || "tape") eq "tape"' "$1"
+    if echo "$1"|grep '^tape:' >/dev/null; then
+       echo "$1" | sed 's/^tape://'
+    else
+       if echo "$1"|grep '^/' >/dev/null; then
+           echo "$1"
+       fi
+    fi
 }
 
-# Runs amdevcheck to find out if a particular device is usable. Finds the
-# config name based on pwd, so run it from the config directory. The sole
-# argument should be the device name to check. Note that amdevcheck can FP
-# on device status, since some devices can't differentiate between device
-# problems and an unlabeled volume.
+# Invoke amdevcheck to determine whether the device is ready for use.
+#
+# @return 0 if a tape is loaded or error
+# @return 1 if a tape is tape offline or busy
+#
+# @side-effect: $amdevcheck_message is the contents of all MESSAGE lines from
+#               amdevcheck, suitable for use in higher-level error messages
 amdevcheck_status() {
     amdevcheck_message=
-    local amdevcheck_config_dir=`pwd`
-    local amdevcheck_config_name=`basename $amdevcheck_config_dir`
-    local amdevcheck_output=`amdevcheck $amdevcheck_config_name $@`
+    local amdevcheck_output=`amdevcheck . $@`
     local amdevcheck_status=$?
 
     test "$amdevcheck_status" -ne 0 && return 0
 
     # extract any messages
-    amdevcheck_message=`echo "$amdevcheck_output" | sed '/^MESSAGE /{s/^MESSAGE //;p;}; d'`
+    amdevcheck_message=`echo "$amdevcheck_output" | sed -n -e '/^MESSAGE /{' -e 's/^MESSAGE //' -e 'p' -e 'q' -e '}'`
 
     # Return 1 if it's possible that the device is offline or busy; if the device cannot
     # distinguish this state from an error condition, then our caller will just have to
     # time out
-    if echo "$amdevcheck_output" | $EGREP "VOLUME_MISSING" > /dev/null; then
+    if echo "$amdevcheck_output" | $EGREP "VOLUME_MISSING|DEVICE_BUSY" > /dev/null; then
        return 1
     else
        return 0
@@ -140,7 +116,7 @@ amdevcheck_status() {
 # be extended at some later time.
 
 try_eject_device() {
-    if echo "$1" | grep -e '^tape:' > /dev/null; then
+    if echo "$1" | grep '^tape:' > /dev/null; then
         try_eject_device_tape="`echo \"$1\" | cut -b6-`"
     elif echo "$1" | grep -v : > /dev/null; then
         try_eject_device_tape="$1"
@@ -150,7 +126,7 @@ try_eject_device() {
 
     if test -n "$try_eject_device_tape"; then
         if try_find_mt; then
-            $MT $MTF "$try_eject_device_tape" eject
+            $MT $MTF "$try_eject_device_tape" offline
         fi
     else
         # Technically we failed to eject the device, but we presume that's