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Fix a broken guard around utime()

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Because of an outdated check for a timestamp of 0, we were calling
utime() even when it wasn't necessary.
This commit is contained in:
Eelco Dolstra 2012-02-15 01:00:30 +01:00
parent 58ac7a17a4
commit 5e57047d87
1 changed files with 5 additions and 2 deletions
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7
src/libstore/local-store.cc
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@ -394,6 +394,9 @@ void LocalStore::openDB(bool create)
} }
const time_t mtimeStore = 1; /* 1 second into the epoch */
void canonicalisePathMetaData(const Path & path, bool recurse) void canonicalisePathMetaData(const Path & path, bool recurse)
{ {
checkInterrupt(); checkInterrupt();
@ -433,10 +436,10 @@ void canonicalisePathMetaData(const Path & path, bool recurse)
throw SysError(format("changing mode of `%1%' to %2$o") % path % mode); throw SysError(format("changing mode of `%1%' to %2$o") % path % mode);
} }
if (st.st_mtime != 0) { if (st.st_mtime != mtimeStore) {
struct utimbuf utimbuf; struct utimbuf utimbuf;
utimbuf.actime = st.st_atime; utimbuf.actime = st.st_atime;
utimbuf.modtime = 1; /* 1 second into the epoch */ utimbuf.modtime = mtimeStore;
if (utime(path.c_str(), &utimbuf) == -1) if (utime(path.c_str(), &utimbuf) == -1)
throw SysError(format("changing modification time of `%1%'") % path); throw SysError(format("changing modification time of `%1%'") % path);
} }