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difftool: allow running outside Git worktrees with --no-index

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As far as this developer can tell, the conversion from a Perl script to
a built-in caused the regression in the difftool that it no longer runs
outside of a Git worktree (with `--no-index`, of course).

It is a bit embarrassing that it took over two years after retiring the
Perl version to discover this regression, but at least we now know, and
can do something, about it.

This fixes https://github.com/git-for-windows/git/issues/2123

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin
2019-03-14 04:25:04 -07:00
committed by Junio C Hamano
parent 1a85b49b87
commit 20de316e33
3 changed files with 21 additions and 4 deletions
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git.c
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@ -491,7 +491,7 @@ static struct cmd_struct commands[] = {
{ "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT },
{ "diff-index", cmd_diff_index, RUN_SETUP | NO_PARSEOPT },
{ "diff-tree", cmd_diff_tree, RUN_SETUP | NO_PARSEOPT },
{ "difftool", cmd_difftool, RUN_SETUP | NEED_WORK_TREE },
{ "difftool", cmd_difftool, RUN_SETUP_GENTLY },
{ "fast-export", cmd_fast_export, RUN_SETUP },
{ "fetch", cmd_fetch, RUN_SETUP },
{ "fetch-pack", cmd_fetch_pack, RUN_SETUP | NO_PARSEOPT },