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git/mergetools/vimdiff
Dickson Wong 2300328cb2 mergetool: reorder vim/gvim buffers in three-way diffs
When invoking default (g)vimdiff three-way merge, the merged file is
loaded as the first buffer but moved to the bottom as the fourth window.
This causes a disconnect between vim commands that operate on window
positions (e.g. CTRL-W_w) and those that operate on buffer index (e.g.
do/dp).

This change reorders the buffers to have the same index as windows while
keeping the cursor default to the merged result as the bottom window.

Signed-off-by: Dickson Wong <dicksonwong@gmail.com>
Tested-by: Michael J Gruber <git@drmicha.warpmail.net>
Acked-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-12 10:14:09 -08:00

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diff_cmd () {
"$merge_tool_path" -R -f -d \
-c 'wincmd l' -c 'cd $GIT_PREFIX' "$LOCAL" "$REMOTE"
}
merge_cmd () {
touch "$BACKUP"
case "$1" in
gvimdiff|vimdiff)
if $base_present
then
"$merge_tool_path" -f -d -c '4wincmd w | wincmd J' \
"$LOCAL" "$BASE" "$REMOTE" "$MERGED"
else
"$merge_tool_path" -f -d -c 'wincmd l' \
"$LOCAL" "$MERGED" "$REMOTE"
fi
;;
gvimdiff2|vimdiff2)
"$merge_tool_path" -f -d -c 'wincmd l' \
"$LOCAL" "$MERGED" "$REMOTE"
;;
gvimdiff3|vimdiff3)
if $base_present
then
"$merge_tool_path" -f -d -c 'hid | hid | hid' \
"$LOCAL" "$REMOTE" "$BASE" "$MERGED"
else
"$merge_tool_path" -f -d -c 'hid | hid' \
"$LOCAL" "$REMOTE" "$MERGED"
fi
;;
esac
check_unchanged
}
translate_merge_tool_path() {
case "$1" in
gvimdiff|gvimdiff2|gvimdiff3)
echo gvim
;;
vimdiff|vimdiff2|vimdiff3)
echo vim
;;
esac
}