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authorJulian Andres Klode <jak@debian.org>2015-12-26 15:25:33 +0100
committerJulian Andres Klode <jak@debian.org>2015-12-26 15:29:00 +0100
commit46cddb8c1a393cc7d03fbd897f2504ae9f47179d (patch)
tree38cb605c453ecc24ee86d25b3d6ab760a10c8f21 /methods/rred.cc
parent0b29c72bdfc1466d47567cc3191b9661f81d3d3f (diff)
downloadapt-46cddb8c1a393cc7d03fbd897f2504ae9f47179d.tar.gz
rred: Allow passing files as arguments for compressor testing
This introduces a -t mode in which the first argument is input, the second is output and the remaining are diffs. This allows us to test patching compressed files, which are detected using their file extension.
Diffstat (limited to 'methods/rred.cc')
-rw-r--r--methods/rred.cc16
1 files changed, 14 insertions, 2 deletions
diff --git a/methods/rred.cc b/methods/rred.cc
index bb801cb4e..351c1ebf9 100644
--- a/methods/rred.cc
+++ b/methods/rred.cc
@@ -689,6 +689,7 @@ int main(int argc, char **argv)
{
int i;
bool just_diff = true;
+ bool test = false;
Patch patch;
if (argc <= 1) {
@@ -696,7 +697,12 @@ int main(int argc, char **argv)
return Mth.Run();
}
- if (argc > 1 && strcmp(argv[1], "-f") == 0) {
+ // Usage: rred -t input output diff ...
+ if (argc > 1 && strcmp(argv[1], "-t") == 0) {
+ just_diff = false;
+ test = true;
+ i = 4;
+ } else if (argc > 1 && strcmp(argv[1], "-f") == 0) {
just_diff = false;
i = 2;
} else {
@@ -716,7 +722,13 @@ int main(int argc, char **argv)
}
}
- if (just_diff) {
+ if (test) {
+ FileFd out, inp;
+ std::cerr << "Patching " << argv[2] << " into " << argv[3] << "\n";
+ inp.Open(argv[2], FileFd::ReadOnly,FileFd::Extension);
+ out.Open(argv[3], FileFd::WriteOnly | FileFd::Create, FileFd::Extension);
+ patch.apply_against_file(out, inp);
+ } else if (just_diff) {
FileFd out;
out.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly | FileFd::Create);
patch.write_diff(out);