# No user-level customization should be required beyond this point.
################################################################################
-####
-# Set up paths, including PATH for finding amanda executables
-
-PATH="$PATH:@sbindir@:@libexecdir@"
prefix="@prefix@"
exec_prefix="@exec_prefix@"
sbindir="@sbindir@"
libexecdir="@libexecdir@"
+amlibexecdir="@amlibexecdir@"
+. "${amlibexecdir}/amanda-sh-lib.sh"
####
-# 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" $*
+# Eponymous functions to access various amanda apps
+# TODO: move to amanda-sh-lib.sh
+
+amgetconf() {
+ "${sbindir}/amgetconf" "${@}"
+}
+amdevcheck() {
+ "${sbindir}/amdevcheck" "${@}"
}
-####
-# Eponymous functions to access various amanda apps
+# 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
+# exists and is executable. If an incomplete path was specified (e.g., "mt"),
+# we ask the shell to search the path. Returns 0 on success, 1 on failure.
+
+try_find_mt() {
+ # Only do this once.
+ if test -n $mt_found; then
+ return 0
+ fi
+
+ if test -z $MT; then
+ MT=mt
+ fi
+
+ if "`echo $MT | dd bs=1 count=1`" = "/"; then
+ if ! test -f "${MT}"; then
+ echo `_ "mt binary at '%s' not found" "$MTX"`
+ return 1
+ fi
+ if ! test -x "${MT}"; then
+ echo `_ "mt binary at '%s' is not executable" "$MTX"`
+ return 1
+ fi
+ else
+ # try running it to see if the shell can find it
+ "$MT" >/dev/null 2>/dev/null
+ if test $? -eq 127 -o $? -eq 126; then
+ echo `_ "Could not run mt binary at '%s'" "$MTX"`
+ return 1
+ fi
+ fi
+
+ mt_found=yes
+ return 0
+}
+
+# This function strips the tape: from the front of device names.
+# Capture its output with ``.
+tape_device_filename() {
+ 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
+}
+
+# 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_output=`amdevcheck . $@`
+ local amdevcheck_status=$?
+
+ test "$amdevcheck_status" -ne 0 && return 0
+
+ # extract any messages
+ amdevcheck_message=`echo "$amdevcheck_output" | sed -n -e '/^MESSAGE /{' -e 's/^MESSAGE //' -e 'p' -e 'q' -e '}'`
-if test "@USE_VERSION_SUFFIXES@" = "yes"; then
- amgetconf() {
- "${sbindir}/amgetconf-@VERSION@" "${@}"
- }
- ammt() {
- "${sbindir}/ammt-@VERSION@" "${@}"
- }
- amdd() {
- "${sbindir}/amdd-@VERSION@" "${@}"
- }
-else
- amgetconf() {
- "${sbindir}/amgetconf" "${@}"
- }
- amdd() {
- "${sbindir}/amdd" "${@}"
- }
- amdd() {
- "${sbindir}/amdd" "${@}"
- }
-fi
+ # 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|DEVICE_BUSY" > /dev/null; then
+ return 1
+ else
+ return 0
+ fi
+}
+
+# This attempts to eject a device using whatever system tools are available.
+# At the moment, that means mt for tapes, and nothing otherwise, but might
+# be extended at some later time.
+
+try_eject_device() {
+ 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="$1"
+ else
+ try_eject_device_tape=
+ fi
+
+ if test -n "$try_eject_device_tape"; then
+ if try_find_mt; then
+ $MT $MTF "$try_eject_device_tape" offline
+ fi
+ else
+ # Technically we failed to eject the device, but we presume that's
+ # because it doesn't require ejection.
+ return 0
+ fi
+}
projects / debian / amanda / blobdiff