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Store::computeFSClosure(): Support a set of paths

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This way, callers can exploits the parallelism of computeFSClosure()
when they have multiple paths that they need the (combined) closure of.
This commit is contained in:
Eelco Dolstra 2016-11-10 17:45:04 +01:00
parent 2af5d35fdc
commit dd77f7d593
5 changed files with 25 additions and 16 deletions
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10
src/libstore/store-api.hh
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@ -477,15 +477,19 @@ public:
ensurePath(). */
Derivation derivationFromPath(const Path & drvPath);
/* Place in `paths' the set of all store paths in the file system
/* Place in `out' the set of all store paths in the file system
closure of `storePath'; that is, all paths than can be directly
or indirectly reached from it. `paths' is not cleared. If
or indirectly reached from it. `out' is not cleared. If
`flipDirection' is true, the set of paths that can reach
`storePath' is returned; that is, the closures under the
`referrers' relation instead of the `references' relation is
returned. */
void computeFSClosure(const PathSet & paths,
PathSet & out, bool flipDirection = false,
bool includeOutputs = false, bool includeDerivers = false);
void computeFSClosure(const Path & path,
PathSet & paths, bool flipDirection = false,
PathSet & out, bool flipDirection = false,
bool includeOutputs = false, bool includeDerivers = false);
/* Given a set of paths that are to be built, return the set of