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Diffstat (limited to 'src/libstore/builtins/buildenv.cc')
-rw-r--r--src/libstore/builtins/buildenv.cc18
1 files changed, 8 insertions, 10 deletions
diff --git a/src/libstore/builtins/buildenv.cc b/src/libstore/builtins/buildenv.cc
index eb68d5a33..61c729d27 100644
--- a/src/libstore/builtins/buildenv.cc
+++ b/src/libstore/builtins/buildenv.cc
@@ -63,9 +63,9 @@ static void createLinks(State & state, const Path & srcDir, const Path & dstDir,
continue;
else if (S_ISDIR(srcSt.st_mode)) {
- struct stat dstSt;
- auto res = lstat(dstFile.c_str(), &dstSt);
- if (res == 0) {
+ auto dstStOpt = maybeLstat(dstFile.c_str());
+ if (dstStOpt) {
+ auto & dstSt = *dstStOpt;
if (S_ISDIR(dstSt.st_mode)) {
createLinks(state, srcFile, dstFile, priority);
continue;
@@ -81,14 +81,13 @@ static void createLinks(State & state, const Path & srcDir, const Path & dstDir,
createLinks(state, srcFile, dstFile, priority);
continue;
}
- } else if (errno != ENOENT)
- throw SysError("getting status of '%1%'", dstFile);
+ }
}
else {
- struct stat dstSt;
- auto res = lstat(dstFile.c_str(), &dstSt);
- if (res == 0) {
+ auto dstStOpt = maybeLstat(dstFile.c_str());
+ if (dstStOpt) {
+ auto & dstSt = *dstStOpt;
if (S_ISLNK(dstSt.st_mode)) {
auto prevPriority = state.priorities[dstFile];
if (prevPriority == priority)
@@ -103,8 +102,7 @@ static void createLinks(State & state, const Path & srcDir, const Path & dstDir,
throw SysError("unlinking '%1%'", dstFile);
} else if (S_ISDIR(dstSt.st_mode))
throw Error("collision between non-directory '%1%' and directory '%2%'", srcFile, dstFile);
- } else if (errno != ENOENT)
- throw SysError("getting status of '%1%'", dstFile);
+ }
}
createSymlink(srcFile, dstFile);