mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-25 23:36:16 +02:00
* Canonicalization: when hashing directories, sort the directory
entries by name.
This commit is contained in:
parent
2f04e7102e
commit
727beb798a
1 changed files with 14 additions and 8 deletions
22
src/hash.cc
22
src/hash.cc
|
@ -154,24 +154,30 @@ static void dumpEntries(const string & path, DumpSink & sink)
|
|||
{
|
||||
DIR * dir = opendir(path.c_str());
|
||||
if (!dir) throw SysError("opening directory " + path);
|
||||
|
||||
|
||||
Strings names;
|
||||
|
||||
struct dirent * dirent;
|
||||
|
||||
/* !!! sort entries */
|
||||
|
||||
while (errno = 0, dirent = readdir(dir)) {
|
||||
string name = dirent->d_name;
|
||||
if (name == "." || name == "..") continue;
|
||||
names.push_back(name);
|
||||
}
|
||||
if (errno) throw SysError("reading directory " + path);
|
||||
|
||||
sort(names.begin(), names.end());
|
||||
|
||||
for (Strings::iterator it = names.begin();
|
||||
it != names.end(); it++)
|
||||
{
|
||||
writeString("entry", sink);
|
||||
writeString("(", sink);
|
||||
writeString("name", sink);
|
||||
writeString(name, sink);
|
||||
writeString(*it, sink);
|
||||
writeString("file", sink);
|
||||
dumpPath(path + "/" + name, sink);
|
||||
dumpPath(path + "/" + *it, sink);
|
||||
writeString(")", sink);
|
||||
}
|
||||
|
||||
if (errno) throw SysError("reading directory " + path);
|
||||
|
||||
closedir(dir); /* !!! close on exception */
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue