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Merge pull request #457 from nix-community/fix-nix-direnv

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fix nix_direnv_version terminating direnv
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mergify[bot] 2024-01-02 21:45:15 +00:00 committed by GitHub
commit aa25d6e2e2
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1 changed files with 26 additions and 18 deletions
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direnvrc
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@ -26,11 +26,7 @@ _nix_direnv_warning() {
fi
}
_nix_direnv_fatal() {
log_error "${_NIX_DIRENV_LOG_PREFIX}$*"
# exit 1 rather than return 1 since we may not be running in strict mode
exit 1
}
_nix_direnv_error() { log_error "${_NIX_DIRENV_LOG_PREFIX}$*"; }
_nix() {
nix --extra-experimental-features "nix-command flakes" "$@"
@ -39,15 +35,17 @@ _nix() {
_require_version() {
local cmd=$1 version=$2 required=$3
if ! printf "%s\n" "$required" "$version" | LC_ALL=C sort -c -V 2>/dev/null; then
_nix_direnv_fatal \
_nix_direnv_error \
"minimum required $(basename "$cmd") version is $required (installed: $version)"
return 1
fi
}
_require_cmd_version() {
local cmd=$1 required=$2 version
if ! has "$cmd"; then
_nix_direnv_fatal "command not found: $cmd"
_nix_direnv_error "command not found: $cmd"
return 1
fi
version=$($cmd --version)
[[ $version =~ ([0-9]+\.[0-9]+\.[0-9]+) ]]
@ -57,7 +55,8 @@ _require_cmd_version() {
_nix_direnv_preflight() {
if [[ -z $direnv ]]; then
# shellcheck disable=2016
_nix_direnv_fatal '$direnv environment variable was not defined. Was this script run inside direnv?'
_nix_direnv_error '$direnv environment variable was not defined. Was this script run inside direnv?'
return 1
fi
# check command min versions
@ -65,10 +64,11 @@ _nix_direnv_preflight() {
# bash check uses $BASH_VERSION with _require_version instead of
# _require_cmd_version because _require_cmd_version uses =~ operator which would be
# a syntax error on bash < 3
_require_version bash "$BASH_VERSION" "$BASH_MIN_VERSION"
# direnv stdlib defines $direnv
_require_cmd_version "$direnv" "$DIRENV_MIN_VERSION"
_require_cmd_version nix "$NIX_MIN_VERSION"
if ! _require_version bash "$BASH_VERSION" "$BASH_MIN_VERSION" ||
! _require_cmd_version "$direnv" "$DIRENV_MIN_VERSION" || # direnv stdlib defines $direnv
! _require_cmd_version nix "$NIX_MIN_VERSION"; then
return 1
fi
fi
local layout_dir
@ -240,7 +240,9 @@ _nix_direnv_warn_manual_reload() {
}
use_flake() {
_nix_direnv_preflight
if ! _nix_direnv_preflight; then
return 1
fi
flake_expr="${1:-.}"
flake_dir="${flake_expr%#*}"
@ -249,9 +251,11 @@ use_flake() {
if [[ $flake_expr == -* ]]; then
local message="the first argument must be a flake expression"
if [[ -n $2 ]]; then
_nix_direnv_fatal "$message"
_nix_direnv_error "$message"
return 1
else
_nix_direnv_fatal "$message. did you mean 'use flake . $1'?"
_nix_direnv_error "$message. did you mean 'use flake . $1'?"
return 1
fi
fi
@ -321,7 +325,8 @@ use_flake() {
_nix_direnv_info "using cached dev shell"
else
# We don't have a profile_rc to use!
_nix_direnv_fatal "use_flake failed - Is your flake's devShell working?"
_nix_direnv_error "use_flake failed - Is your flake's devShell working?"
return 1
fi
fi
@ -329,7 +334,9 @@ use_flake() {
}
use_nix() {
_nix_direnv_preflight
if ! _nix_direnv_preflight; then
return 1
fi
local layout_dir path version
layout_dir=$(direnv_layout_dir)
@ -467,7 +474,8 @@ use_nix() {
if [[ -e ${profile_rc} ]]; then
_nix_direnv_info "using cached dev shell"
else
_nix_direnv_fatal "use_nix failed - Is your nix shell working?"
_nix_direnv_error "use_nix failed - Is your nix shell working?"
return 1
fi
fi