# nix-build -E 'with import <nixpkgs> {}; callPackage ./dropbear_from_scratch.nix {}'
these derivations will be built:
  /nix/store/gc5v42c3mgiyhp2y0gmp44ym2m8v72rq-dropbear-2020.80.drv
building '/nix/store/gc5v42c3mgiyhp2y0gmp44ym2m8v72rq-dropbear-2020.80.drv'...
unpacking sources
unpacking source archive /nix/store/wa74m6jy2fr76xjyh6kya2328phxm5d3-dropbear-2020.80.tar.bz2
source root is dropbear-2020.80
setting SOURCE_DATE_EPOCH to timestamp 1593179188 of file dropbear-2020.80/config.h.in
patching sources
applying patch /nix/store/r1m7hzrm57p2iyarz6952zgc4j9416qs-pass-path.patch
patching file svr-chansession.c
Hunk #1 FAILED at 893.
Hunk #2 FAILED at 905.
Hunk #3 FAILED at 948.
3 out of 3 hunks FAILED -- saving rejects to file svr-chansession.c.rej
builder for '/nix/store/gc5v42c3mgiyhp2y0gmp44ym2m8v72rq-dropbear-2020.80.drv' failed with exit code 1
error: build of '/nix/store/gc5v42c3mgiyhp2y0gmp44ym2m8v72rq-dropbear-2020.80.drv' failed