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-rw-r--r--default.nix8
-rw-r--r--strip-store-paths/strip-store-paths.zig9
2 files changed, 9 insertions, 8 deletions
diff --git a/default.nix b/default.nix
index 04fd62c..3ec0450 100644
--- a/default.nix
+++ b/default.nix
@@ -151,13 +151,7 @@ let
stripCommand = ''
function rewriteOutput {
- if [ -f ''${!1} ] ; then
- strip-store-paths ''${!1}
- else
- for f in $(find ''${!1} -type f) ; do
- strip-store-paths $f
- done
- fi
+ find ''${!1} -type f -print0 | xargs -0 -n1 strip-store-paths
}
for o in $outputs ; do
rewriteOutput $o
diff --git a/strip-store-paths/strip-store-paths.zig b/strip-store-paths/strip-store-paths.zig
index 243bd4a..9ded95e 100644
--- a/strip-store-paths/strip-store-paths.zig
+++ b/strip-store-paths/strip-store-paths.zig
@@ -7,6 +7,9 @@ pub const File = struct {
pub fn init(fd: std.os.fd_t, allocator: std.mem.Allocator) !File {
var stats = try std.os.fstat(fd);
+ if (stats.size == 0) {
+ return error.ZeroFile;
+ }
var ptr = try std.os.mmap(null, @intCast(usize, stats.size), std.os.PROT.READ | std.os.PROT.WRITE, std.os.MAP.SHARED, fd, 0);
return File{ .ptr = ptr, .len = @intCast(u64, stats.size), .allocator = allocator };
}
@@ -32,7 +35,11 @@ pub fn main() !void {
// mmap input
var fd = try std.os.open(path, std.os.O.RDWR, 0);
- var input = try File.init(fd, allocator);
+ var input = File.init(fd, allocator) catch |err| if (err == error.ZeroFile) {
+ return;
+ } else {
+ return err;
+ };
defer input.deinit();
// search for /nix/store