File: guilt-patchbomb

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guilt 0.35-1.1
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#!/bin/sh
#
# Copyright (c) Josef "Jeff" Sipek, 2007-2011
#

DO_NOT_CHECK_BRANCH_EXISTENCE=1

USAGE="[-n] [-s] [--in-reply-to <msgid>] [--git] [--subject-prefix <prefix>] [<hash> | <since>..[<until>] | ..<until>]"
if [ -z "$GUILT_VERSION" ]; then
	echo "Invoking `basename $0` directly is no longer supported." >&2
	exit 1
fi

_main() {

TMP_FILE=`get_tmp_file file`

while [ $# -gt 0 ]; do
	case "$1" in
		-n)
			do_not_send=t
			;;
		-s)
			no_sign_off=t
			;;
		--subject-prefix)
			subject_prefix="$2"
			shift
			;;
		--in-reply-to)
			reply_to="$2"
			shift
			;;
		--git)
			gitdiff=t
			;;
		*)
			break
			;;
	esac
	shift
done

r=`munge_hash_range "$1"`
if [ $? -ne 0 ]; then
	usage
fi

# display the list of commits to be sent as patches
git log --pretty=oneline "$r" | cut -c 1-8,41- | $pager

_disp "Are these what you want to send? [Y/n] "
read n
if [ "$n" = "n" ] || [ "$n" = "N" ]; then
	die "Aborting..."
fi

dir=`get_tmp_file patchbomb -d`
disp "Using '$dir' as temporary directory"

# more than one patch?
if [ `git rev-list "$r" | wc -l` -gt 1 ]; then
	format_opts="-n" # include "n/m" in the subject
	send_opts="--no-chain-reply-to --compose" # compose
fi

[ ! -z "$gitdiff" ] && format_opts="$format_opts -C -M --find-copies-harder"
[ -z "$no_sign_off" ] && format_opts="$format_opts -s"

if [ -z "$subject_prefix" ]; then
	git format-patch $format_opts -o $dir "$r"
else
	git format-patch $format_opts --subject-prefix="$subject_prefix" -o $dir "$r"
fi

# get the to/cc addresses
_disp "Enter all the To: email addresses (separated by space): "
read rawto
_disp "Enter all the Cc: email addresses (separated by space): "
read rawcc

# convert list of email addresses to command line options
to_opts=""
for rt in $rawto; do
	to_opts="$to_opts --to $rt"
done
for rc in $rawcc; do
	to_opts="$to_opts --cc $rc"
done

opts="$send_opts $to_opts"

# last possible point to abort!
_disp "Proceed with patchbomb (this is the last chance to abort)? [y/N] "
read n
if [ "$n" != "y" ] && [ "$n" != "Y" ]; then
	die "Aborting..."
fi

# ...and off they go.
cmd="git send-email"
if [ ! -z "$do_not_send" ]; then
	disp "-n passed: not sending, command that would be executed:" >&2
	cmd="echo git send-email"
fi

if [ -z "$reply_to" ]; then
	$cmd $opts $dir
else
	$cmd --in-reply-to "$reply_to" $opts $dir
fi

# cleanup?
_disp "Delete temporary directory? [Y/n] "
read n

[ "$n" = "n" ] || [ "$n" = "N" ] && exit 0
rm -rf $dir

}