user/dev discussion of public-inbox itself
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From: Eric Wong <e@yhbt.net>
To: meta@public-inbox.org
Subject: [PATCH 4/9] solver: path_a may be undef from /dev/null
Date: Sat, 11 Jan 2020 22:34:58 +0000
Message-ID: <20200111223503.24473-5-e@yhbt.net> (raw)
In-Reply-To: <20200111223503.24473-1-e@yhbt.net>

This avoids uninitialized variable warnings when viewing
newly-created files.
---
 lib/PublicInbox/SolverGit.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/PublicInbox/SolverGit.pm b/lib/PublicInbox/SolverGit.pm
index 8629f0da..62c925d4 100644
--- a/lib/PublicInbox/SolverGit.pm
+++ b/lib/PublicInbox/SolverGit.pm
@@ -169,7 +169,7 @@ sub extract_diff ($$) {
 	my $patch = $9;
 
 	# don't care for leading 'a/' and 'b/'
-	my (undef, @a) = split(m{/}, git_unquote($path_a));
+	my (undef, @a) = split(m{/}, git_unquote($path_a)) if defined($path_a);
 	my (undef, @b) = split(m{/}, git_unquote($path_b));
 
 	# get rid of path-traversal attempts and junk patches:
@@ -177,7 +177,7 @@ sub extract_diff ($$) {
 	state $bad_component = { map { $_ => 1 } ('', '.', '..') };
 	foreach (@a, @b) { return if $bad_component->{$_} }
 
-	$di->{path_a} = join('/', @a);
+	$di->{path_a} = join('/', @a) if @a;
 	$di->{path_b} = join('/', @b);
 
 	my $path = ++$self->{tot};

  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-11 22:34 [PATCH 0/9] more small fixes and cleanups Eric Wong
2020-01-11 22:34 ` [PATCH 1/9] config: do not slurp entire cgitrc at once Eric Wong
2020-01-11 22:34 ` [PATCH 2/9] git: modified: don't slurp `rev-parse --branches' Eric Wong
2020-01-11 22:34 ` [PATCH 3/9] git: packed_bytes: use GLOB_NOSORT Eric Wong
2020-01-11 22:34 ` Eric Wong [this message]
2020-01-11 22:34 ` [PATCH 5/9] cgit: drop cgit_parse_hdr wrapper Eric Wong
2020-01-11 22:35 ` [PATCH 6/9] xapcmd: use popen_rd for running xapian-compact Eric Wong
2020-01-11 22:35 ` [PATCH 7/9] xt/git_async_cmp: do not slurp large OID list into memory Eric Wong
2020-01-11 22:35 ` [PATCH 8/9] t/solver_git: avoid uninitialized warnings in hostname generation Eric Wong
2020-01-11 22:35 ` [PATCH 9/9] use popen_rd for bidirectional pipes Eric Wong

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user/dev discussion of public-inbox itself

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