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* Use deletePathWrapped() in more places.

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This commit is contained in:
Eelco Dolstra 2006-12-09 00:26:24 +00:00
parent fa33303146
commit 5f681988f2
3 changed files with 30 additions and 21 deletions
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28
src/libstore/build.cc
View file

@ -531,14 +531,28 @@ void getOwnership(const Path & path)
}
static void deletePathWrapped(const Path & path)
void deletePathWrapped(const Path & path,
unsigned long long & bytesFreed)
{
/* When using build users and we're not root, we may not have
sufficient permission to delete the path. So use the setuid
helper to change ownership to us. */
if (haveBuildUsers() && !amPrivileged())
getOwnership(path);
deletePath(path);
try {
/* First try to delete it ourselves. */
deletePath(path, bytesFreed);
} catch (SysError & e) {
/* If this failed due to a permission error, then try it with
the setuid helper. */
if (haveBuildUsers() && !amPrivileged()) {
getOwnership(path);
deletePath(path, bytesFreed);
} else
throw;
}
}
void deletePathWrapped(const Path & path)
{
unsigned long long dummy;
deletePathWrapped(path, dummy);
}

17
src/libstore/local-store.cc
View file

@ -637,7 +637,7 @@ Path LocalStore::addToStore(const Path & _srcPath, bool fixed,
if (!isValidPath(dstPath)) {
if (pathExists(dstPath)) deletePath(dstPath);
if (pathExists(dstPath)) deletePathWrapped(dstPath);
copyPath(srcPath, dstPath);
@ -673,7 +673,7 @@ Path LocalStore::addTextToStore(const string & suffix, const string & s,
if (!isValidPath(dstPath)) {
if (pathExists(dstPath)) deletePath(dstPath);
if (pathExists(dstPath)) deletePathWrapped(dstPath);
writeStringToFile(dstPath, s);
@ -710,18 +710,7 @@ void deleteFromStore(const Path & _path, unsigned long long & bytesFreed)
}
txn.commit();
try {
/* First try to delete it ourselves. */
deletePath(path, bytesFreed);
} catch (SysError & e) {
/* If this failed due to a permission error, then try it with
the setuid helper. */
if (haveBuildUsers() && !amPrivileged()) {
getOwnership(path);
deletePath(path, bytesFreed);
} else
throw;
}
deletePathWrapped(path, bytesFreed);
}

6
src/libstore/local-store.hh
View file

@ -148,6 +148,12 @@ bool amPrivileged();
/* Recursively change the ownership of `path' to the current uid. */
void getOwnership(const Path & path);
/* Like deletePath(), but changes the ownership of `path' using the
setuid wrapper if necessary (and possible). */
void deletePathWrapped(const Path & path,
unsigned long long & bytesFreed);
void deletePathWrapped(const Path & path);
}