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mergetools: vimdiff: fix single window layouts 

Layouts with a single window other than "MERGED" do not work (e.g.
"LOCAL" or "MERGED+LOCAL").

This is because as the documentation of bufdo says:

    The last buffer (or where an error occurred) becomes the current
    buffer.

And we do always do bufdo the end.

Additionally, we do it only once, when it should be per tab.

Fix this by doing it once per tab right after it's created and before
any buffer is switched.

Cc: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Reviewed-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Felipe Contreras 2022-08-10 10:46:17 -05:00 committed by Junio C Hamano
parent ffcc33f6a6
commit b6014eeac0
1 changed files with 8 additions and 12 deletions
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@ -325,21 +325,17 @@ gen_cmd () {
CMD="$CMD | tabnew"
fi
# If this is a single window diff with all the buffers
if ! echo "$tab" | grep ",\|/" >/dev/null
then
CMD="$CMD | silent execute 'bufdo diffthis'"
fi
CMD=$(gen_cmd_aux "$tab" "$CMD")
done
IFS=$oldIFS
# Adjust the just obtained script depending on whether more than one
# windows are visible or not
if echo "$LAYOUT" | grep ",\|/" >/dev/null
then
CMD="$CMD | tabdo windo diffthis"
else
CMD="$CMD | silent bufdo diffthis"
fi
CMD="$CMD | tabdo windo diffthis"
# Add an extra "-c" option to move to the first tab (notice that we
# can't simply append the command to the previous "-c" string as
@ -552,7 +548,7 @@ run_unit_tests () {
EXPECTED_CMD_01="-c \"set hidden diffopt-=hiddenoff | echo | leftabove split | leftabove vertical split | 1b | wincmd l | leftabove vertical split | 2b | wincmd l | 3b | wincmd j | 4b | tabdo windo diffthis\" -c \"tabfirst\""
EXPECTED_CMD_02="-c \"set hidden diffopt-=hiddenoff | echo | leftabove vertical split | 1b | wincmd l | 3b | tabdo windo diffthis\" -c \"tabfirst\""
EXPECTED_CMD_03="-c \"set hidden diffopt-=hiddenoff | echo | leftabove vertical split | 1b | wincmd l | leftabove vertical split | 4b | wincmd l | 3b | tabdo windo diffthis\" -c \"tabfirst\""
EXPECTED_CMD_04="-c \"set hidden diffopt-=hiddenoff | echo | 4b | silent bufdo diffthis\" -c \"tabfirst\""
EXPECTED_CMD_04="-c \"set hidden diffopt-=hiddenoff | echo | silent execute 'bufdo diffthis' | 4b | tabdo windo diffthis\" -c \"tabfirst\""
EXPECTED_CMD_05="-c \"set hidden diffopt-=hiddenoff | echo | leftabove split | 1b | wincmd j | leftabove split | 4b | wincmd j | 3b | tabdo windo diffthis\" -c \"tabfirst\""
EXPECTED_CMD_06="-c \"set hidden diffopt-=hiddenoff | echo | leftabove vertical split | leftabove split | 1b | wincmd j | 3b | wincmd l | 4b | tabdo windo diffthis\" -c \"tabfirst\""
EXPECTED_CMD_07="-c \"set hidden diffopt-=hiddenoff | echo | leftabove vertical split | 4b | wincmd l | leftabove split | 1b | wincmd j | 3b | tabdo windo diffthis\" -c \"tabfirst\""