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git/contrib/convert-grafts-to-replace-refs.sh
Christian Couder b0ab2b71d0 contrib: add convert-grafts-to-replace-refs.sh
This patch adds into contrib/ an example script to convert
grafts from an existing grafts file into replace refs using
the new --graft option of "git replace".

While at it let's mention this new script in the
"git replace" documentation for the --graft option.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-07-21 12:05:53 -07:00

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#!/bin/sh
# You should execute this script in the repository where you
# want to convert grafts to replace refs.
GRAFTS_FILE="${GIT_DIR:-.git}/info/grafts"
. $(git --exec-path)/git-sh-setup
test -f "$GRAFTS_FILE" || die "Could not find graft file: '$GRAFTS_FILE'"
grep '^[^# ]' "$GRAFTS_FILE" |
while read definition
do
if test -n "$definition"
then
echo "Converting: $definition"
git replace --graft $definition ||
die "Conversion failed for: $definition"
fi
done
mv "$GRAFTS_FILE" "$GRAFTS_FILE.bak" ||
die "Could not rename '$GRAFTS_FILE' to '$GRAFTS_FILE.bak'"
echo "Success!"
echo "All the grafts in '$GRAFTS_FILE' have been converted to replace refs!"
echo "The grafts file '$GRAFTS_FILE' has been renamed: '$GRAFTS_FILE.bak'"