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#!/bin/bash
#===============================================================================
# AUTHOR: Manoel Brunnen, manoel.brunnen@gmail.com
# CREATED: 21.07.2016
# LICENSE: MIT
# FILE: fetcher.sh
# USAGE: ./fetcher.sh
#
# DESCRIPTION: update some git repos
#
# No warranty! For nothing. Use it at your own risk.
#===============================================================================
set -e
set -o nounset # Treat unset variables as an error
#================================== Logging ==================================
script_name=`basename "${BASH_SOURCE[0]}"`
# Backup stdout(&1) and stderr(&2) to fd 3 and fd 4
exec 3>&1 4>&2
# Restore stdout and stderr
trap 'exec 2>&4 1>&3' 0 1 2 3
# Use tee to redirect fd 1 to logfile.out and to stdout
exec 1> >(tee >(systemd-cat --identifier="$script_name" --priority="debug") >&3)
# Use tee to redirect fd 2 to logfile.err and to stderr
exec 2> >(tee >(systemd-cat --identifier="$script_name" --priority="warning") >&4)
#================================= Functions =================================
function config_usage() {
echo "Create your fetcher config file $configfile like this:"
echo $HOME/workspace/repo pull
echo $HOME/workspace/repo2 commit
echo $HOME/workspace/repo2 push
echo $HOME/.vim addcommitpush
echo $HOME/workspace/project1 pull origin master:master
echo $HOME/workspace/project2 alias
}
#============================== Parsing Options ==============================
dryrun=false
configfile="$HOME/.config/fetcher.conf"
for i in "$@"
do
case $i in
-n|--dryrun)
dryrun=true
;;
-f=*|--file=*)
configfile="${i#*=}"
;;
-h|--help)
echo $script_name' Options:'
echo -h, --help Show this information
echo -n, --dryrun Do a dry run
echo -f=, --file= Use another input file for fetcher
echo
config_usage
exit
;;
*)
# unknown option
;;
esac
done
if [ ! -f $configfile ]; then
echo "Configuration file \"$configfile\" not found." >&2
config_usage
exit
fi
#================================ Parse lines ================================
readarray -t lines < $configfile
if [ ${#lines[@]} -eq 0 ]; then
config_usage
exit
fi
for ((i=0; i < ${#lines[@]}; i++)); do
line="${lines[$i]}"
IFS=' ' read -r -a line <<< "$line"
eval path=${line[0]}
eval gitcmd=${line[1]}
remote=''
branch=''
if [ ${#line[@]} -gt 2 ]; then
eval remote=${line[2]}
fi
if [ ${#line[@]} -gt 3 ]; then
eval branch=${line[3]}
fi
case $gitcmd in
addcommitpush)
if $dryrun; then
cmd="git -C $path add -n -A"
cmd="$cmd && git -C $path commit -n -v"
cmd="$cmd && git -C $path push -n $remote $branch"
else
cmd="git -C $path add -A"
cmd="$cmd && git -C $path commit -v"
cmd="$cmd && git -C $path push $remote $branch"
fi
;;
pull)
if $dryrun; then
cmd="git -C $path pull -n $remote $branch"
else
cmd="git -C $path pull $remote $branch"
fi
;;
*)
if $dryrun; then
cmd="echo 'git -C $path $gitcmd $remote $branch'"
else
cmd="git -C $path $gitcmd $remote $branch"
fi
;;
esac
echo '=============================================================================='
echo "$script_name runs:"
echo "$cmd"
eval "$cmd" || true
echo
done
echo '=============================================================================='
echo "fetcher processed successfully $configfile."
echo '=============================================================================='
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