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* `nix-env (-i|-u) --dry-run' now shows exactly which missing paths

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will be built or substituted.
This commit is contained in:
Eelco Dolstra 2006-03-06 11:21:15 +00:00
parent 7ba1fd2029
commit c8bfb11b34
9 changed files with 120 additions and 22 deletions
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17
src/libstore/build.hh
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@ -15,23 +15,6 @@ void buildDerivations(const PathSet & drvPaths);
be made valid by running a substitute (if defined for the path). */
void ensurePath(const Path & storePath);
/* Read a derivation, after ensuring its existence through
ensurePath(). */
Derivation derivationFromPath(const Path & drvPath);
/* Place in `paths' 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
`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 Path & storePath,
PathSet & paths, bool flipDirection = false);
/* Return the path corresponding to the output identifier `id' in the
given derivation. */
Path findOutput(const Derivation & drv, string id);
#endif /* !__BUILD_H */