ilyakooo0/nixpkgs
1
0
Fork 0
mirror of https://github.com/ilyakooo0/nixpkgs.git synced 2025-01-07 22:11:45 +03:00
Code Issues Projects Releases Wiki Activity

Merge pull request #93337 from Mic92/fix-stackoverflow

Browse Source
This commit is contained in:
Jörg Thalheim 2020-07-17 19:20:46 +01:00 committed by GitHub
commit a5c9a7ce46
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
lib/sources.nix
View File

@ -145,10 +145,14 @@ rec {
# packed-refs file, so we have to grep through it:
then
let fileContent = readFile packedRefsName;
matchRef = match (".*\n([^\n ]*) " + file + "\n.*") fileContent;
in if matchRef == null
matchRef = builtins.match "([a-z0-9]+) ${file}";
isRef = s: builtins.isString s && (matchRef s) != null;
# there is a bug in libstdc++ leading to stackoverflow for long strings:
# https://github.com/NixOS/nix/issues/2147#issuecomment-659868795
refs = builtins.filter isRef (builtins.split "\n" fileContent);
in if refs == []
then throw ("Could not find " + file + " in " + packedRefsName)
else lib.head matchRef
else lib.head (matchRef (lib.head refs))
else throw ("Not a .git directory: " + path);
in readCommitFromFile "HEAD";