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#!/bin/bash
###############################################################################
#
# nbfake - capture command output in a logfile
#
# nbfake behavior can be changed by setting the following env vars:
# NBFAKE_HOST SSH to $NBFAKE_HOST and run command
# NBFAKE_LOG Logfile for nbfake output
#
###############################################################################
echo SHELL=$SHELL
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#==============================================================================
# Can't always trust $PWD
CURRWD=$(pwd)
# Make sure nbfake host and logfile are set. Fall back to old-style variable names
if [[ -z "$NBFAKE_HOST" && -n "$TARGETHOST" ]]; then NBFAKE_HOST=$TARGETHOST; fi
if [[ -z "$NBFAKE_HOST" && -n "$TARGETHOST" ]]; then
MY_NBFAKE_HOST=$TARGETHOST
else
MY_NBFAKE_HOST=$NBFAKE_HOST
unset NBFAKE_HOST
fi
if [[ -z "$NBFAKE_LOG" && -n "$TARGETHOST_LOGF" ]]; then NBFAKE_LOG=$TARGETHOST_LOGF; fi
if [[ -z "$NBFAKE_LOG" && -n "$TARGETHOST_LOGF" ]]; then
MY_NBFAKE_LOG=$TARGETHOST_LOGF
else
MY_NBFAKE_LOG=$NBFAKE_LOG
unset NBFAKE_LOG
fi
# Set default nbfake log
if [[ -z "$NBFAKE_LOG" ]]; then
NBFAKE_LOG=NBFAKE-$(date +%GWW%V.%u_%T)
if [[ -z "$MY_NBFAKE_LOG" ]]; then
MY_NBFAKE_LOG=NBFAKE-$(date +%GWW%V.%u_%T)
fi
#==============================================================================
# Run and log
#==============================================================================
cat <<__EOF >&2
#======================================================================
# NBFAKE logging command to: $NBFAKE_LOG
# NBFAKE logging command to: $MY_NBFAKE_LOG
# $*
#======================================================================
__EOF
if [[ -z "$NBFAKE_HOST" ]]; then
if [[ -z "$MY_NBFAKE_HOST" ]]; then
# Run locally
sh -c "cd $CURRWD;export DISPLAY=$DISPLAY; export PATH=$PATH; nohup $* >> $NBFAKE_LOG 2>&1 &"
sh -c "cd $CURRWD;export DISPLAY=$DISPLAY; export PATH=$PATH; nohup $* >> $MY_NBFAKE_LOG 2>&1 &"
else
# run remotely
ssh -n -f $NBFAKE_HOST "sh -c \"cd $CURRWD;export DISPLAY=$DISPLAY; export PATH=$PATH; nohup $* >> $NBFAKE_LOG 2>&1 &\""
ssh -n -f $MY_NBFAKE_HOST "sh -c \"cd $CURRWD;export DISPLAY=$DISPLAY; export PATH=$PATH; nohup $* >> $MY_NBFAKE_LOG 2>&1 &\""
fi
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