diff options
Diffstat (limited to 'src/libexpr/parser.cc')
| -rw-r--r-- | src/libexpr/parser.cc | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/libexpr/parser.cc b/src/libexpr/parser.cc index aecfa434878a..b9e79e13d5f1 100644 --- a/src/libexpr/parser.cc +++ b/src/libexpr/parser.cc @@ -29,16 +29,12 @@ struct Cleanup : TermFun ATMatcher m; string s; - if (atMatch(m, e) >> "Str" >> s) { + if (atMatch(m, e) >> "Str" >> s) return ATmake("Str(<str>)", string(s, 1, s.size() - 2).c_str()); - } - if (atMatch(m, e) >> "Path" >> s) { - if (s[0] != '/') - s = basePath + "/" + s; - return ATmake("Path(<str>)", canonPath(s).c_str()); - } + if (atMatch(m, e) >> "Path" >> s) + return ATmake("Path(<str>)", absPath(s, basePath).c_str()); if (atMatch(m, e) >> "Int" >> s) { istringstream s2(s); @@ -147,8 +143,14 @@ Expr parseExprFromFile(Path path) if (e) return e; #endif - /* If `path' refers to a directory, append `/default.nix'. */ + /* If `path' is a symlink, follow it. This is so that relative + path references work. */ struct stat st; + if (lstat(path.c_str(), &st)) + throw SysError(format("getting status of `%1%'") % path); + if (S_ISLNK(st.st_mode)) path = absPath(readLink(path), dirOf(path)); + + /* If `path' refers to a directory, append `/default.nix'. */ if (stat(path.c_str(), &st)) throw SysError(format("getting status of `%1%'") % path); if (S_ISDIR(st.st_mode)) |