this derivation will be built:
  /nix/store/jzs5ipdj42mm3568lf5f8wg9vwviq8g6-treefmt-check.drv
building '/nix/store/jzs5ipdj42mm3568lf5f8wg9vwviq8g6-treefmt-check.drv'
treefmt-check> treefmt v2.5.0ERRO formatter | shellcheck: failed to apply with options '[]': exit status 1
treefmt-check> 
treefmt-check> 
treefmt-check> In homeModules/programs/misc-programs/direnv-stdlib.sh line 4:
treefmt-check>   if [[ ! -f "$PYPROJECT_TOML" ]]; then
treefmt-check>      ^--------------------------^ SC3010 (warning): In POSIX sh, [[ ]] is undefined.
treefmt-check> 
treefmt-check> 
treefmt-check> In homeModules/programs/misc-programs/direnv-stdlib.sh line 9:
treefmt-check>   if [[ -d ".venv" ]]; then
treefmt-check>      ^--------------^ SC3010 (warning): In POSIX sh, [[ ]] is undefined.
treefmt-check> 
treefmt-check> 
treefmt-check> In homeModules/programs/misc-programs/direnv-stdlib.sh line 18:
treefmt-check>   if [[ -z $VIRTUAL_ENV || ! -d $VIRTUAL_ENV ]]; then
treefmt-check>      ^-- SC3010 (warning): In POSIX sh, [[ ]] is undefined.
treefmt-check> 
treefmt-check> For more information:
treefmt-check>   https://www.shellcheck.net/wiki/SC3010 -- In POSIX sh, [[ ]] is undefined.
treefmt-check> 
treefmt-check> traversed 420 files
treefmt-check> emitted 413 files for processing
treefmt-check> formatted 410 files (2 changed) in 801ms
treefmt-check> Error: failed to finalise formatting: formatting failures detected
error: Cannot build '/nix/store/jzs5ipdj42mm3568lf5f8wg9vwviq8g6-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/52jp8x09lrpb5acvlj7f557jl0xa0377-treefmt-check
       Last 20 log lines:
       >   if [[ ! -f "$PYPROJECT_TOML" ]]; then
       >      ^--------------------------^ SC3010 (warning): In POSIX sh, [[ ]] is undefined.
       >
       >
       > In homeModules/programs/misc-programs/direnv-stdlib.sh line 9:
       >   if [[ -d ".venv" ]]; then
       >      ^--------------^ SC3010 (warning): In POSIX sh, [[ ]] is undefined.
       >
       >
       > In homeModules/programs/misc-programs/direnv-stdlib.sh line 18:
       >   if [[ -z $VIRTUAL_ENV || ! -d $VIRTUAL_ENV ]]; then
       >      ^-- SC3010 (warning): In POSIX sh, [[ ]] is undefined.
       >
       > For more information:
       >   https://www.shellcheck.net/wiki/SC3010 -- In POSIX sh, [[ ]] is undefined.
       >
       > traversed 420 files
       > emitted 413 files for processing
       > formatted 410 files (2 changed) in 801ms
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/jzs5ipdj42mm3568lf5f8wg9vwviq8g6-treefmt-check.drv