79 lines
2.6 KiB
Bash
Executable File
79 lines
2.6 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
#
|
|
# This script is used by the Makefile to have an implicit nix-shell.
|
|
# The following environment variables modify the script behavior:
|
|
# - TARGET_OS: This attribute is passed as `target-os` to Nix, limiting the scope
|
|
# of the Nix expressions.
|
|
# - _NIX_ATTR: This attribute can be used to specify an attribute set
|
|
# from inside the expression in `default.nix`, allowing drilling down into a specific attribute.
|
|
# - _NIX_KEEP: This variable allows specifying which env vars to keep for Nix pure shell.
|
|
#
|
|
|
|
GREEN='\033[0;32m'
|
|
YELLOW='\033[1;33m'
|
|
NC='\033[0m'
|
|
|
|
export TERM=xterm # fix for colors
|
|
shift # we remove the first -c from arguments
|
|
|
|
if ! command -v "nix" >/dev/null 2>&1; then
|
|
if [ -f ~/.nix-profile/etc/profile.d/nix.sh ]; then
|
|
. ~/.nix-profile/etc/profile.d/nix.sh
|
|
elif [ "$IN_NIX_SHELL" != 'pure' ]; then
|
|
echo -e "${GREEN}Setting up environment...${NC}"
|
|
./scripts/setup
|
|
|
|
. ~/.nix-profile/etc/profile.d/nix.sh
|
|
fi
|
|
fi
|
|
|
|
if !command -v "nix" >/dev/null 2>&1; then
|
|
echo "Nix not available, sourcing profile failed!"
|
|
exit 1
|
|
fi
|
|
|
|
shellArgs=(
|
|
"--show-trace"
|
|
)
|
|
|
|
if [[ -n "${TARGET_OS}" ]]; then
|
|
shellArgs+=("--argstr target-os ${TARGET_OS}")
|
|
else
|
|
echo -e "${YELLOW}Env is missing TARGET_OS, assuming no target platform.${NC}"
|
|
echo -e "See nix/README.md for more details."
|
|
fi
|
|
|
|
if [[ "$TARGET_OS" =~ (linux|windows) ]]; then
|
|
# This is a dirty workaround because 'yarn install' is an impure operation,
|
|
# so we need to call it from an impure shell.
|
|
# Hopefull we'll be able to fix this later on with something like yarn2nix
|
|
nix-shell ${shellArgs[@]} --run "scripts/prepare-for-desktop-platform.sh" || exit
|
|
fi
|
|
|
|
# if _NIX_ATTR is specified we shouldn't use shell.nix, the path will be different
|
|
entryPoint="shell.nix"
|
|
if [ -n "${_NIX_ATTR}" ]; then
|
|
shellArgs+=("--attr ${_NIX_ATTR}")
|
|
entryPoint="default.nix"
|
|
fi
|
|
|
|
# this happens if `make shell` is run already in a Nix shell
|
|
if [[ $@ == "ENTER_NIX_SHELL" ]]; then
|
|
echo -e "${GREEN}Configuring ${_NIX_ATTR:-default} Nix shell for target '${TARGET_OS}'...${NC}"
|
|
exec nix-shell ${shellArgs[@]} ${entryPoint}
|
|
else
|
|
# Not all builds are ready to be run in a pure environment
|
|
if [[ "${TARGET_OS}" =~ (android|macos|linux) ]]; then
|
|
shellArgs+=("--pure")
|
|
pureDesc='pure '
|
|
fi
|
|
# This variable allows specifying which env vars to keep for Nix pure shell
|
|
# The separator is a semicolon
|
|
if [[ -n "${_NIX_KEEP}" ]]; then
|
|
nixShelArgs+=("--keep ${_NIX_KEEP//;/ --keep }")
|
|
fi
|
|
echo -e "${GREEN}Configuring ${pureDesc}${_NIX_ATTR:-default} Nix shell for target '${TARGET_OS}'...${NC}"
|
|
exec nix-shell ${shellArgs[@]} --run "$@" ${entryPoint}
|
|
fi
|