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* Automatically upgrade <= 0.7 Nix stores to the new schema (so that

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existing user environments continue to work).
* `nix-store --verify': detect incomplete closures.
This commit is contained in:
Eelco Dolstra 2005-02-09 09:50:29 +00:00
parent c547439843
commit 582e01c06f
8 changed files with 154 additions and 23 deletions
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9
src/libutil/util.cc
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@ -185,6 +185,15 @@ string readFile(const Path & path)
}
void writeFile(const Path & path, const string & s)
{
AutoCloseFD fd = open(path.c_str(), O_WRONLY | O_TRUNC | O_CREAT, 0666);
if (fd == -1)
throw SysError(format("opening file `%1%'") % path);
writeFull(fd, (unsigned char *) s.c_str(), s.size());
}
static void _deletePath(const Path & path)
{
checkInterrupt();

3
src/libutil/util.hh
View file

@ -94,6 +94,9 @@ Strings readDirectory(const Path & path);
string readFile(int fd);
string readFile(const Path & path);
/* Write a string to a file. */
void writeFile(const Path & path, const string & s);
/* Delete a path; i.e., in the case of a directory, it is deleted
recursively. Don't use this at home, kids. */
void deletePath(const Path & path);