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Handle platforms that don't support linking to a symlink

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E.g. Darwin doesn't allow this.
This commit is contained in:
Eelco Dolstra 2012-07-23 18:42:18 -04:00
parent fd63c8bfcd
commit e98c029717
2 changed files with 19 additions and 2 deletions
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9
src/libstore/optimise-store.cc
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@ -62,8 +62,13 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path)
return;
}
/* We can hard link regular files and symlinks. */
if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode)) return;
/* We can hard link regular files and maybe symlinks. */
if (!S_ISREG(st.st_mode)
#if CAN_LINK_SYMLINK
x
&& !S_ISLNK(st.st_mode)
#endif
) return;
/* Sometimes SNAFUs can cause files in the Nix store to be
modified, in particular when running programs as root under