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authorAdrian Wielgosik <adrian.wielgosik@gmail.com>2016-02-02 18:55:48 +0100
committerAdrian Wielgosik <adrian.wielgosik@gmail.com>2016-02-02 20:51:15 +0100
commitadb4f2c5cf0e313e8d39a562fe7f095d2029f647 (patch)
tree29534578b4f0af553f6a9515197de038d6aa222d /apt-private
parentf1828e6b0adb87bf0b99d3cfeeafbb76cbc6aab7 (diff)
Try avoiding loading long package description
It's a fairly expensive call and it's called on every package, even though it's usually only used when we're interested in a small number of packages. Long description is currently only shown by this function when using `apt search X --full`. On my PC, this patch speeds up `apt list` by roughly 20% and `apt list --installed` by 1-2%.
Diffstat (limited to 'apt-private')
-rw-r--r--apt-private/private-output.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/apt-private/private-output.cc b/apt-private/private-output.cc
index b8e6dec02..458d78dc4 100644
--- a/apt-private/private-output.cc
+++ b/apt-private/private-output.cc
@@ -290,7 +290,8 @@ void ListSingleVersion(pkgCacheFile &CacheFile, pkgRecords &records, /*{{{*/
output = SubstVar(output, "${color:highlight}", _config->Find("APT::Color::Highlight", ""));
output = SubstVar(output, "${color:neutral}", _config->Find("APT::Color::Neutral", ""));
output = SubstVar(output, "${Description}", GetShortDescription(CacheFile, records, P));
- output = SubstVar(output, "${LongDescription}", GetLongDescription(CacheFile, records, P));
+ if (output.find("${LongDescription}") != string::npos)
+ output = SubstVar(output, "${LongDescription}", GetLongDescription(CacheFile, records, P));
output = SubstVar(output, "${ }${ }", "${ }");
output = SubstVar(output, "${ }\n", "\n");
output = SubstVar(output, "${ }", " ");