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git/applypatch
Linus Torvalds 6a9853cd45 Make "applypatch" use the "-E" flag to patch.
Always remove empty files, regardless of how the diff
showed them to have become empty.
2005-05-17 17:15:56 -07:00

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#!/bin/sh
##
## applypatch takes four file arguments, and uses those to
## apply the unpacked patch (surprise surprise) that they
## represent to the current tree.
##
## The arguments are:
## $1 - file with commit message
## $2 - file with the actual patch
## $3 - file with list of filenames the patch touches
## $4 - "info" file with Author, email and subject
## $5 - optional file containing signoff to add
##
signoff="$5"
final=.dotest/final-commit
##
## If this file exists, we ask before applying
##
query_apply=.dotest/.query_apply
MSGFILE=$1
PATCHFILE=$2
FILES=$3
INFO=$4
EDIT=${VISUAL:-$EDITOR}
EDIT=${EDIT:-vi}
export GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' .dotest/info)"
export GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' .dotest/info)"
export GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' .dotest/info)"
export SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' .dotest/info)"
if [ -n "$signoff" -a -f "$signoff" ]; then
cat $signoff >> $MSGFILE
fi
(echo "[PATCH] $SUBJECT" ; if [ -s $MSGFILE ]; then echo ; cat $MSGFILE; fi ) > $final
f=0
[ -f $query_apply ] || f=1
while [ $f -eq 0 ]; do
echo "Commit Body is:"
echo "--------------------------"
cat $final
echo "--------------------------"
echo -n "Apply? [y]es/[n]o/[e]dit/[a]ccept all "
read reply
case $reply in
y|Y) f=1;;
n|N) exit 2;; # special value to tell dotest to keep going
e|E) $EDIT $final;;
a|A) rm -f $query_apply
f=1;;
esac
done
echo
echo Applying "'$SUBJECT'"
echo
git-check-files $(cat $FILES) || exit 1
git-checkout-cache -q $(cat $FILES) || exit 1
patch -E -u --no-backup-if-mismatch -f -p1 --fuzz=0 --input=$PATCHFILE || exit 1
git-update-cache --add --remove $(cat $FILES) || exit 1
tree=$(git-write-tree) || exit 1
echo Wrote tree $tree
commit=$(git-commit-tree $tree -p $(cat .git/HEAD) < $final) || exit 1
echo Committed: $commit
echo $commit > .git/HEAD