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difftool: Simplify print_tool_help()

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Eliminate a global variable and File::Find usage by building upon
basename() and glob() instead.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
David Aguilar 2012-07-22 20:57:07 -07:00 committed by Junio C Hamano
parent 05df532655
commit 35989c68ee
1 changed files with 5 additions and 20 deletions
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25
git-difftool.perl
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@ -13,17 +13,15 @@
use 5.008;
use strict;
use warnings;
use File::Basename qw(dirname);
use File::Basename qw(basename dirname);
use File::Copy;
use File::Compare;
use File::Find;
use File::stat;
use File::Path qw(mkpath);
use File::Temp qw(tempdir);
use Getopt::Long qw(:config pass_through);
use Git;
my @tools;
my @working_tree;
my $rc;
my $repo = Git->repository();
@ -65,26 +63,13 @@ sub find_worktree
my $workdir = find_worktree();
sub filter_tool_scripts
{
if (-d $_) {
if ($_ ne ".") {
# Ignore files in subdirectories
$File::Find::prune = 1;
}
} else {
if ((-f $_) && ($_ ne "defaults")) {
push(@tools, $_);
}
}
}
sub print_tool_help
{
my ($cmd, @found, @notfound);
my $gitpath = Git::exec_path();
find(\&filter_tool_scripts, "$gitpath/mergetools");
my @files = map { basename($_) } glob("$gitpath/mergetools/*");
my @tools = sort(grep { !m{^defaults$} } @files);
foreach my $tool (@tools) {
$cmd = "TOOL_MODE=diff";
@ -99,10 +84,10 @@ sub print_tool_help
}
print "'git difftool --tool=<tool>' may be set to one of the following:\n";
print "\t$_\n" for (sort(@found));
print "\t$_\n" for (@found);
print "\nThe following tools are valid, but not currently available:\n";
print "\t$_\n" for (sort(@notfound));
print "\t$_\n" for (@notfound);
print "\nNOTE: Some of the tools listed above only work in a windowed\n";
print "environment. If run in a terminal-only session, they will fail.\n";