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|
#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
usage () {
echo >&2 "usage: $0"' [-n] [-o dir] [-<diff options>...] upstream [ our-head ]
Prepare each commit with its patch since our-head forked from upstream,
one file per patch, for e-mail submission. Each output file is
numbered sequentially from 1, and uses the first line of the commit
message (massaged for pathname safety) as the filename.
When -o is specified, output files are created in that directory; otherwise in
the current working directory.
When -n is specified, instead of "[PATCH] Subject", the first line is formatted
as "[PATCH N/M] Subject", unless you have only one patch.
'
exit 1
}
diff_opts=
IFS='
'
LF='
'
outdir=./
while case "$#" in 0) break;; esac
do
case "$1" in
-d|--d|--da|--dat|--date)
date=t ;;
-n|--n|--nu|--num|--numb|--numbe|--number|--numbere|--numbered)
numbered=t ;;
-o=*|--o=*|--ou=*|--out=*|--outp=*|--outpu=*|--output=*|--output-=*|\
--output-d=*|--output-di=*|--output-dir=*|--output-dire=*|\
--output-direc=*|--output-direct=*|--output-directo=*|\
--output-director=*|--output-directory=*)
outdir=`expr "$1" : '-[^=]*=\(.*\)'` ;;
-o|--o|--ou|--out|--outp|--outpu|--output|--output-|--output-d|\
--output-di|--output-dir|--output-dire|--output-direc|--output-direct|\
--output-directo|--output-director|--output-directory)
case "$#" in 1) usage ;; esac; shift
outdir="$1" ;;
-*) diff_opts="$diff_opts$LF$1" ;;
*) break ;;
esac
shift
done
case "$#" in
2) linus="$1" junio="$2" ;;
1) linus="$1" junio=HEAD ;;
*) usage ;;
esac
junio=`git-rev-parse --verify "$junio"`
linus=`git-rev-parse --verify "$linus"`
me=`git-var GIT_AUTHOR_IDENT | sed -e 's/>.*/>/'`
case "$outdir" in
*/) ;;
*) outdir="$outdir/" ;;
esac
test -d "$outdir" || mkdir -p "$outdir" || exit
tmp=.tmp-series$$
trap 'rm -f $tmp-*' 0 1 2 3 15
series=$tmp-series
commsg=$tmp-commsg
titleScript='
/./d
/^$/n
s/^\[PATCH[^]]*\] *//
s/[^-a-z.A-Z_0-9]/-/g
s/\.\.\.*/\./g
s/\.*$//
s/--*/-/g
s/^-//
s/-$//
s/$/./
p
q
'
whosepatchScript='
/^author /{
s/author \(.*>\) \(.*\)$/au='\''\1'\'' ad='\''\2'\''/p
q
}'
_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
stripCommitHead='/^'"$_x40"' (from '"$_x40"')$/d'
git-rev-list --merge-order "$junio" "^$linus" >$series
total=`wc -l <$series`
i=$total
while read commit
do
git-cat-file commit "$commit" | git-stripspace >$commsg
title=`sed -ne "$titleScript" <$commsg`
case "$numbered" in
'') num= ;;
*)
case $total in
1) num= ;;
*) num=' '`printf "%d/%d" $i $total` ;;
esac
esac
file=`printf '%04d-%stxt' $i "$title"`
i=`expr "$i" - 1`
echo "$file"
{
mailScript='
/./d
/^$/n
s|^\[PATCH[^]]*\] *||
s|^|[PATCH'"$num"'] |'
eval "$(sed -ne "$whosepatchScript" $commsg)"
test "$au" = "$me" || {
mailScript="$mailScript"'
a\
From: '"$au"
}
test "$date,$au" = ",$me" || {
mailScript="$mailScript"'
a\
Date: '"$ad"
}
mailScript="$mailScript"'
: body
p
n
b body'
sed -ne "$mailScript" <$commsg
echo '---'
echo
git-diff-tree -p $diff_opts "$commit" | git-apply --stat --summary
echo
git-diff-tree -p $diff_opts "$commit" | sed -e "$stripCommitHead"
} >"$outdir$file"
done <$series
|
