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Add 'third_party/nix/' from commit 'be66c7a6b24e3c3c6157fd37b86c7203d14acf10'

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git-subtree-dir: third_party/nix
git-subtree-mainline: cf8cd640c1
git-subtree-split: be66c7a6b24e3c3c6157fd37b86c7203d14acf10
This commit is contained in:
Vincent Ambo 2020-05-17 15:52:38 +01:00
commit 7994fd1d54
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144
third_party/nix/scripts/install-darwin-multi-user.sh vendored Normal file
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#!/usr/bin/env bash
set -eu
set -o pipefail
readonly PLIST_DEST=/Library/LaunchDaemons/org.nixos.nix-daemon.plist
dsclattr() {
/usr/bin/dscl . -read "$1" \
| awk "/$2/ { print \$2 }"
}
poly_validate_assumptions() {
if [ "$(uname -s)" != "Darwin" ]; then
failure "This script is for use with macOS!"
fi
}
poly_service_installed_check() {
[ -e "$PLIST_DEST" ]
}
poly_service_uninstall_directions() {
cat <<EOF
$1. Delete $PLIST_DEST
sudo launchctl unload $PLIST_DEST
sudo rm $PLIST_DEST
EOF
}
poly_service_setup_note() {
cat <<EOF
- load and start a LaunchDaemon (at $PLIST_DEST) for nix-daemon
EOF
}
poly_configure_nix_daemon_service() {
_sudo "to set up the nix-daemon as a LaunchDaemon" \
cp -f "/nix/var/nix/profiles/default$PLIST_DEST" "$PLIST_DEST"
_sudo "to load the LaunchDaemon plist for nix-daemon" \
launchctl load /Library/LaunchDaemons/org.nixos.nix-daemon.plist
_sudo "to start the nix-daemon" \
launchctl start org.nixos.nix-daemon
}
poly_group_exists() {
/usr/bin/dscl . -read "/Groups/$1" > /dev/null 2>&1
}
poly_group_id_get() {
dsclattr "/Groups/$1" "PrimaryGroupID"
}
poly_create_build_group() {
_sudo "Create the Nix build group, $NIX_BUILD_GROUP_NAME" \
/usr/sbin/dseditgroup -o create \
-r "Nix build group for nix-daemon" \
-i "$NIX_BUILD_GROUP_ID" \
"$NIX_BUILD_GROUP_NAME" >&2
}
poly_user_exists() {
/usr/bin/dscl . -read "/Users/$1" > /dev/null 2>&1
}
poly_user_id_get() {
dsclattr "/Users/$1" "UniqueID"
}
poly_user_hidden_get() {
dsclattr "/Users/$1" "IsHidden"
}
poly_user_hidden_set() {
_sudo "in order to make $1 a hidden user" \
/usr/bin/dscl . -create "/Users/$1" "IsHidden" "1"
}
poly_user_home_get() {
dsclattr "/Users/$1" "NFSHomeDirectory"
}
poly_user_home_set() {
_sudo "in order to give $1 a safe home directory" \
/usr/bin/dscl . -create "/Users/$1" "NFSHomeDirectory" "$2"
}
poly_user_note_get() {
dsclattr "/Users/$1" "RealName"
}
poly_user_note_set() {
_sudo "in order to give $username a useful note" \
/usr/bin/dscl . -create "/Users/$1" "RealName" "$2"
}
poly_user_shell_get() {
dsclattr "/Users/$1" "UserShell"
}
poly_user_shell_set() {
_sudo "in order to give $1 a safe home directory" \
/usr/bin/dscl . -create "/Users/$1" "UserShell" "$2"
}
poly_user_in_group_check() {
username=$1
group=$2
dseditgroup -o checkmember -m "$username" "$group" > /dev/null 2>&1
}
poly_user_in_group_set() {
username=$1
group=$2
_sudo "Add $username to the $group group"\
/usr/sbin/dseditgroup -o edit -t user \
-a "$username" "$group"
}
poly_user_primary_group_get() {
dsclattr "/Users/$1" "PrimaryGroupID"
}
poly_user_primary_group_set() {
_sudo "to let the nix daemon use this user for builds (this might seem redundant, but there are two concepts of group membership)" \
/usr/bin/dscl . -create "/Users/$1" "PrimaryGroupID" "$2"
}
poly_create_build_user() {
username=$1
uid=$2
builder_num=$3
_sudo "Creating the Nix build user (#$builder_num), $username" \
/usr/bin/dscl . create "/Users/$username" \
UniqueID "${uid}"
}

798
third_party/nix/scripts/install-multi-user.sh vendored Normal file
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#!/usr/bin/env bash
set -eu
set -o pipefail
# Sourced from:
# - https://github.com/LnL7/nix-darwin/blob/8c29d0985d74b4a990238497c47a2542a5616b3c/bootstrap.sh
# - https://gist.github.com/expipiplus1/e571ce88c608a1e83547c918591b149f/ac504c6c1b96e65505fbda437a28ce563408ecb0
# - https://github.com/NixOS/nixos-org-configurations/blob/a122f418797713d519aadf02e677fce0dc1cb446/delft/scripts/nix-mac-installer.sh
# - https://github.com/matthewbauer/macNixOS/blob/f6045394f9153edea417be90c216788e754feaba/install-macNixOS.sh
# - https://gist.github.com/LnL7/9717bd6cdcb30b086fd7f2093e5f8494/86b26f852ce563e973acd30f796a9a416248c34a
#
# however tracking which bits came from which would be impossible.
readonly ESC='\033[0m'
readonly BOLD='\033[1m'
readonly BLUE='\033[34m'
readonly BLUE_UL='\033[4;34m'
readonly GREEN='\033[32m'
readonly GREEN_UL='\033[4;32m'
readonly RED='\033[31m'
readonly NIX_USER_COUNT="32"
readonly NIX_BUILD_GROUP_ID="30000"
readonly NIX_BUILD_GROUP_NAME="nixbld"
readonly NIX_FIRST_BUILD_UID="30001"
# Please don't change this. We don't support it, because the
# default shell profile that comes with Nix doesn't support it.
readonly NIX_ROOT="/nix"
readonly PROFILE_TARGETS=("/etc/bashrc" "/etc/profile.d/nix.sh" "/etc/zshrc")
readonly PROFILE_BACKUP_SUFFIX=".backup-before-nix"
readonly PROFILE_NIX_FILE="$NIX_ROOT/var/nix/profiles/default/etc/profile.d/nix-daemon.sh"
readonly NIX_INSTALLED_NIX="@nix@"
readonly NIX_INSTALLED_CACERT="@cacert@"
readonly EXTRACTED_NIX_PATH="$(dirname "$0")"
readonly ROOT_HOME=$(echo ~root)
if [ -t 0 ]; then
readonly IS_HEADLESS='no'
else
readonly IS_HEADLESS='yes'
fi
headless() {
if [ "$IS_HEADLESS" = "yes" ]; then
return 0
else
return 1
fi
}
contactme() {
echo "We'd love to help if you need it."
echo ""
echo "If you can, open an issue at https://github.com/nixos/nix/issues"
echo ""
echo "Or feel free to contact the team,"
echo " - on IRC #nixos on irc.freenode.net"
echo " - on twitter @nixos_org"
}
uninstall_directions() {
subheader "Uninstalling nix:"
local step=0
if poly_service_installed_check; then
step=$((step + 1))
poly_service_uninstall_directions "$step"
fi
for profile_target in "${PROFILE_TARGETS[@]}"; do
if [ -e "$profile_target" ] && [ -e "$profile_target$PROFILE_BACKUP_SUFFIX" ]; then
step=$((step + 1))
cat <<EOF
$step. Restore $profile_target$PROFILE_BACKUP_SUFFIX back to $profile_target
sudo mv $profile_target$PROFILE_BACKUP_SUFFIX $profile_target
(after this one, you may need to re-open any terminals that were
opened while it existed.)
EOF
fi
done
step=$((step + 1))
cat <<EOF
$step. Delete the files Nix added to your system:
sudo rm -rf /etc/nix $NIX_ROOT $ROOT_HOME/.nix-profile $ROOT_HOME/.nix-defexpr $ROOT_HOME/.nix-channels $HOME/.nix-profile $HOME/.nix-defexpr $HOME/.nix-channels
and that is it.
EOF
}
nix_user_for_core() {
printf "nixbld%d" "$1"
}
nix_uid_for_core() {
echo $((NIX_FIRST_BUILD_UID + $1 - 1))
}
_textout() {
echo -en "$1"
shift
if [ "$*" = "" ]; then
cat
else
echo "$@"
fi
echo -en "$ESC"
}
header() {
follow="---------------------------------------------------------"
header=$(echo "---- $* $follow$follow$follow" | head -c 80)
echo ""
_textout "$BLUE" "$header"
}
warningheader() {
follow="---------------------------------------------------------"
header=$(echo "---- $* $follow$follow$follow" | head -c 80)
echo ""
_textout "$RED" "$header"
}
subheader() {
echo ""
_textout "$BLUE_UL" "$*"
}
row() {
printf "$BOLD%s$ESC:\\t%s\\n" "$1" "$2"
}
task() {
echo ""
ok "~~> $1"
}
bold() {
echo "$BOLD$*$ESC"
}
ok() {
_textout "$GREEN" "$@"
}
warning() {
warningheader "warning!"
cat
echo ""
}
failure() {
header "oh no!"
_textout "$RED" "$@"
echo ""
_textout "$RED" "$(contactme)"
trap finish_cleanup EXIT
exit 1
}
ui_confirm() {
_textout "$GREEN$GREEN_UL" "$1"
if headless; then
echo "No TTY, assuming you would say yes :)"
return 0
fi
local prompt="[y/n] "
echo -n "$prompt"
while read -r y; do
if [ "$y" = "y" ]; then
echo ""
return 0
elif [ "$y" = "n" ]; then
echo ""
return 1
else
_textout "$RED" "Sorry, I didn't understand. I can only understand answers of y or n"
echo -n "$prompt"
fi
done
echo ""
return 1
}
__sudo() {
local expl="$1"
local cmd="$2"
shift
header "sudo execution"
echo "I am executing:"
echo ""
printf " $ sudo %s\\n" "$cmd"
echo ""
echo "$expl"
echo ""
return 0
}
_sudo() {
local expl="$1"
shift
if ! headless; then
__sudo "$expl" "$*"
fi
sudo "$@"
}
readonly SCRATCH=$(mktemp -d -t tmp.XXXXXXXXXX)
function finish_cleanup {
rm -rf "$SCRATCH"
}
function finish_fail {
finish_cleanup
failure <<EOF
Jeeze, something went wrong. If you can take all the output and open
an issue, we'd love to fix the problem so nobody else has this issue.
:(
EOF
}
trap finish_fail EXIT
channel_update_failed=0
function finish_success {
finish_cleanup
ok "Alright! We're done!"
if [ "x$channel_update_failed" = x1 ]; then
echo ""
echo "But fetching the nixpkgs channel failed. (Are you offline?)"
echo "To try again later, run \"sudo -i nix-channel --update nixpkgs\"."
fi
cat <<EOF
Before Nix will work in your existing shells, you'll need to close
them and open them again. Other than that, you should be ready to go.
Try it! Open a new terminal, and type:
$ nix-shell -p nix-info --run "nix-info -m"
Thank you for using this installer. If you have any feedback, don't
hesitate:
$(contactme)
EOF
}
validate_starting_assumptions() {
poly_validate_assumptions
if [ $EUID -eq 0 ]; then
failure <<EOF
Please do not run this script with root privileges. We will call sudo
when we need to.
EOF
fi
if type nix-env 2> /dev/null >&2; then
failure <<EOF
Nix already appears to be installed, and this tool assumes it is
_not_ yet installed.
$(uninstall_directions)
EOF
fi
if [ "${NIX_REMOTE:-}" != "" ]; then
failure <<EOF
For some reason, \$NIX_REMOTE is set. It really should not be set
before this installer runs, and it hints that Nix is currently
installed. Please delete the old Nix installation and start again.
Note: You might need to close your shell window and open a new shell
to clear the variable.
EOF
fi
if echo "${SSL_CERT_FILE:-}" | grep -qE "(nix/var/nix|nix-profile)"; then
failure <<EOF
It looks like \$SSL_CERT_FILE is set to a path that used to be part of
the old Nix installation. Please unset that variable and try again:
$ unset SSL_CERT_FILE
EOF
fi
for file in ~/.bash_profile ~/.bash_login ~/.profile ~/.zshenv ~/.zprofile ~/.zshrc ~/.zlogin; do
if [ -f "$file" ]; then
if grep -l "^[^#].*.nix-profile" "$file"; then
failure <<EOF
I found a reference to a ".nix-profile" in $file.
This has a high chance of breaking a new nix installation. It was most
likely put there by a previous Nix installer.
Please remove this reference and try running this again. You should
also look for similar references in:
- ~/.bash_profile
- ~/.bash_login
- ~/.profile
or other shell init files that you may have.
$(uninstall_directions)
EOF
fi
fi
done
if [ -d /nix/store ] || [ -d /nix/var ]; then
failure <<EOF
There are some relics of a previous installation of Nix at /nix, and
this scripts assumes Nix is _not_ yet installed. Please delete the old
Nix installation and start again.
$(uninstall_directions)
EOF
fi
if [ -d /etc/nix ]; then
failure <<EOF
There are some relics of a previous installation of Nix at /etc/nix, and
this scripts assumes Nix is _not_ yet installed. Please delete the old
Nix installation and start again.
$(uninstall_directions)
EOF
fi
for profile_target in "${PROFILE_TARGETS[@]}"; do
if [ -e "$profile_target$PROFILE_BACKUP_SUFFIX" ]; then
failure <<EOF
When this script runs, it backs up the current $profile_target to
$profile_target$PROFILE_BACKUP_SUFFIX. This backup file already exists, though.
Please follow these instructions to clean up the old backup file:
1. Copy $profile_target and $profile_target$PROFILE_BACKUP_SUFFIX to another place, just
in case.
2. Take care to make sure that $profile_target$PROFILE_BACKUP_SUFFIX doesn't look like
it has anything nix-related in it. If it does, something is probably
quite wrong. Please open an issue or get in touch immediately.
3. Take care to make sure that $profile_target doesn't look like it has
anything nix-related in it. If it does, and $profile_target _did not_,
run:
$ /usr/bin/sudo /bin/mv $profile_target$PROFILE_BACKUP_SUFFIX $profile_target
and try again.
EOF
fi
if [ -e "$profile_target" ] && grep -qi "nix" "$profile_target"; then
failure <<EOF
It looks like $profile_target already has some Nix configuration in
there. There should be no reason to run this again. If you're having
trouble, please open an issue.
EOF
fi
done
danger_paths=("$ROOT_HOME/.nix-defexpr" "$ROOT_HOME/.nix-channels" "$ROOT_HOME/.nix-profile")
for danger_path in "${danger_paths[@]}"; do
if _sudo "making sure that $danger_path doesn't exist" \
test -e "$danger_path"; then
failure <<EOF
I found a file at $danger_path, which is a relic of a previous
installation. You must first delete this file before continuing.
$(uninstall_directions)
EOF
fi
done
}
setup_report() {
header "Nix config report"
row " Temp Dir" "$SCRATCH"
row " Nix Root" "$NIX_ROOT"
row " Build Users" "$NIX_USER_COUNT"
row " Build Group ID" "$NIX_BUILD_GROUP_ID"
row "Build Group Name" "$NIX_BUILD_GROUP_NAME"
if [ "${ALLOW_PREEXISTING_INSTALLATION:-}" != "" ]; then
row "Preexisting Install" "Allowed"
fi
subheader "build users:"
row " Username" "UID"
for i in $(seq 1 "$NIX_USER_COUNT"); do
row " $(nix_user_for_core "$i")" "$(nix_uid_for_core "$i")"
done
echo ""
}
create_build_group() {
local primary_group_id
task "Setting up the build group $NIX_BUILD_GROUP_NAME"
if ! poly_group_exists "$NIX_BUILD_GROUP_NAME"; then
poly_create_build_group
row " Created" "Yes"
else
primary_group_id=$(poly_group_id_get "$NIX_BUILD_GROUP_NAME")
if [ "$primary_group_id" -ne "$NIX_BUILD_GROUP_ID" ]; then
failure <<EOF
It seems the build group $NIX_BUILD_GROUP_NAME already exists, but
with the UID $primary_group_id. This script can't really handle
that right now, so I'm going to give up.
You can fix this by editing this script and changing the
NIX_BUILD_GROUP_ID variable near the top to from $NIX_BUILD_GROUP_ID
to $primary_group_id and re-run.
EOF
else
row " Exists" "Yes"
fi
fi
}
create_build_user_for_core() {
local coreid
local username
local uid
coreid="$1"
username=$(nix_user_for_core "$coreid")
uid=$(nix_uid_for_core "$coreid")
task "Setting up the build user $username"
if ! poly_user_exists "$username"; then
poly_create_build_user "$username" "$uid" "$coreid"
row " Created" "Yes"
else
actual_uid=$(poly_user_id_get "$username")
if [ "$actual_uid" != "$uid" ]; then
failure <<EOF
It seems the build user $username already exists, but with the UID
with the UID '$actual_uid'. This script can't really handle that right
now, so I'm going to give up.
If you already created the users and you know they start from
$actual_uid and go up from there, you can edit this script and change
NIX_FIRST_BUILD_UID near the top of the file to $actual_uid and try
again.
EOF
else
row " Exists" "Yes"
fi
fi
if [ "$(poly_user_hidden_get "$username")" = "1" ]; then
row " Hidden" "Yes"
else
poly_user_hidden_set "$username"
row " Hidden" "Yes"
fi
if [ "$(poly_user_home_get "$username")" = "/var/empty" ]; then
row " Home Directory" "/var/empty"
else
poly_user_home_set "$username" "/var/empty"
row " Home Directory" "/var/empty"
fi
# We use grep instead of an equality check because it is difficult
# to extract _just_ the user's note, instead it is prefixed with
# some plist junk. This was causing the user note to always be set,
# even if there was no reason for it.
if ! poly_user_note_get "$username" | grep -q "Nix build user $coreid"; then
row " Note" "Nix build user $coreid"
else
poly_user_note_set "$username" "Nix build user $coreid"
row " Note" "Nix build user $coreid"
fi
if [ "$(poly_user_shell_get "$username")" = "/sbin/nologin" ]; then
row " Logins Disabled" "Yes"
else
poly_user_shell_set "$username" "/sbin/nologin"
row " Logins Disabled" "Yes"
fi
if poly_user_in_group_check "$username" "$NIX_BUILD_GROUP_NAME"; then
row " Member of $NIX_BUILD_GROUP_NAME" "Yes"
else
poly_user_in_group_set "$username" "$NIX_BUILD_GROUP_NAME"
row " Member of $NIX_BUILD_GROUP_NAME" "Yes"
fi
if [ "$(poly_user_primary_group_get "$username")" = "$NIX_BUILD_GROUP_ID" ]; then
row " PrimaryGroupID" "$NIX_BUILD_GROUP_ID"
else
poly_user_primary_group_set "$username" "$NIX_BUILD_GROUP_ID"
row " PrimaryGroupID" "$NIX_BUILD_GROUP_ID"
fi
}
create_build_users() {
for i in $(seq 1 "$NIX_USER_COUNT"); do
create_build_user_for_core "$i"
done
}
create_directories() {
# FIXME: remove all of this because it duplicates LocalStore::LocalStore().
_sudo "to make the basic directory structure of Nix (part 1)" \
mkdir -pv -m 0755 /nix /nix/var /nix/var/log /nix/var/log/nix /nix/var/log/nix/drvs /nix/var/nix{,/db,/gcroots,/profiles,/temproots,/userpool} /nix/var/nix/{gcroots,profiles}/per-user
_sudo "to make the basic directory structure of Nix (part 2)" \
mkdir -pv -m 1775 /nix/store
_sudo "to make the basic directory structure of Nix (part 3)" \
chgrp "$NIX_BUILD_GROUP_NAME" /nix/store
_sudo "to place the default nix daemon configuration (part 1)" \
mkdir -pv -m 0555 /etc/nix
}
place_channel_configuration() {
echo "https://nixos.org/channels/nixpkgs-unstable nixpkgs" > "$SCRATCH/.nix-channels"
_sudo "to set up the default system channel (part 1)" \
install -m 0664 "$SCRATCH/.nix-channels" "$ROOT_HOME/.nix-channels"
}
welcome_to_nix() {
ok "Welcome to the Multi-User Nix Installation"
cat <<EOF
This installation tool will set up your computer with the Nix package
manager. This will happen in a few stages:
1. Make sure your computer doesn't already have Nix. If it does, I
will show you instructions on how to clean up your old one.
2. Show you what we are going to install and where. Then we will ask
if you are ready to continue.
3. Create the system users and groups that the Nix daemon uses to run
builds.
4. Perform the basic installation of the Nix files daemon.
5. Configure your shell to import special Nix Profile files, so you
can use Nix.
6. Start the Nix daemon.
EOF
if ui_confirm "Would you like to see a more detailed list of what we will do?"; then
cat <<EOF
We will:
- make sure your computer doesn't already have Nix files
(if it does, I will tell you how to clean them up.)
- create local users (see the list above for the users we'll make)
- create a local group ($NIX_BUILD_GROUP_NAME)
- install Nix in to $NIX_ROOT
- create a configuration file in /etc/nix
- set up the "default profile" by creating some Nix-related files in
$ROOT_HOME
EOF
for profile_target in "${PROFILE_TARGETS[@]}"; do
if [ -e "$profile_target" ]; then
cat <<EOF
- back up $profile_target to $profile_target$PROFILE_BACKUP_SUFFIX
- update $profile_target to include some Nix configuration
EOF
fi
done
poly_service_setup_note
if ! ui_confirm "Ready to continue?"; then
failure <<EOF
Okay, maybe you would like to talk to the team.
EOF
fi
fi
}
chat_about_sudo() {
header "let's talk about sudo"
if headless; then
cat <<EOF
This script is going to call sudo a lot. Normally, it would show you
exactly what commands it is running and why. However, the script is
run in a headless fashion, like this:
$ curl https://nixos.org/nix/install | sh
or maybe in a CI pipeline. Because of that, we're going to skip the
verbose output in the interest of brevity.
If you would like to
see the output, try like this:
$ curl -o install-nix https://nixos.org/nix/install
$ sh ./install-nix
EOF
return 0
fi
cat <<EOF
This script is going to call sudo a lot. Every time we do, it'll
output exactly what it'll do, and why.
Just like this:
EOF
__sudo "to demonstrate how our sudo prompts look" \
echo "this is a sudo prompt"
cat <<EOF
This might look scary, but everything can be undone by running just a
few commands. We used to ask you to confirm each time sudo ran, but it
was too many times. Instead, I'll just ask you this one time:
EOF
if ui_confirm "Can we use sudo?"; then
ok "Yay! Thanks! Let's get going!"
else
failure <<EOF
That is okay, but we can't install.
EOF
fi
}
install_from_extracted_nix() {
(
cd "$EXTRACTED_NIX_PATH"
_sudo "to copy the basic Nix files to the new store at $NIX_ROOT/store" \
rsync -rlpt ./store/* "$NIX_ROOT/store/"
if [ -d "$NIX_INSTALLED_NIX" ]; then
echo " Alright! We have our first nix at $NIX_INSTALLED_NIX"
else
failure <<EOF
Something went wrong, and I didn't find Nix installed at
$NIX_INSTALLED_NIX.
EOF
fi
cat ./.reginfo \
| _sudo "to load data for the first time in to the Nix Database" \
"$NIX_INSTALLED_NIX/bin/nix-store" --load-db
echo " Just finished getting the nix database ready."
)
}
shell_source_lines() {
cat <<EOF
# Nix
if [ -e '$PROFILE_NIX_FILE' ]; then
. '$PROFILE_NIX_FILE'
fi
# End Nix
EOF
}
configure_shell_profile() {
# If there is an /etc/profile.d directory, we want to ensure there
# is a nix.sh within it, so we can use the following loop to add
# the source lines to it. Note that I'm _not_ adding the source
# lines here, because we want to be using the regular machinery.
#
# If we go around that machinery, it becomes more complicated and
# adds complications to the uninstall instruction generator and
# old instruction sniffer as well.
if [ -d /etc/profile.d ]; then
_sudo "create a stub /etc/profile.d/nix.sh which will be updated" \
touch /etc/profile.d/nix.sh
fi
for profile_target in "${PROFILE_TARGETS[@]}"; do
if [ -e "$profile_target" ]; then
_sudo "to back up your current $profile_target to $profile_target$PROFILE_BACKUP_SUFFIX" \
cp "$profile_target" "$profile_target$PROFILE_BACKUP_SUFFIX"
shell_source_lines \
| _sudo "extend your $profile_target with nix-daemon settings" \
tee -a "$profile_target"
fi
done
}
setup_default_profile() {
_sudo "to installing a bootstrapping Nix in to the default Profile" \
HOME="$ROOT_HOME" "$NIX_INSTALLED_NIX/bin/nix-env" -i "$NIX_INSTALLED_NIX"
if [ -z "${NIX_SSL_CERT_FILE:-}" ] || ! [ -f "${NIX_SSL_CERT_FILE:-}" ]; then
_sudo "to installing a bootstrapping SSL certificate just for Nix in to the default Profile" \
HOME="$ROOT_HOME" "$NIX_INSTALLED_NIX/bin/nix-env" -i "$NIX_INSTALLED_CACERT"
export NIX_SSL_CERT_FILE=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt
fi
# Have to explicitly pass NIX_SSL_CERT_FILE as part of the sudo call,
# otherwise it will be lost in environments where sudo doesn't pass
# all the environment variables by default.
_sudo "to update the default channel in the default profile" \
HOME="$ROOT_HOME" NIX_SSL_CERT_FILE="$NIX_SSL_CERT_FILE" "$NIX_INSTALLED_NIX/bin/nix-channel" --update nixpkgs \
|| channel_update_failed=1
}
place_nix_configuration() {
cat <<EOF > "$SCRATCH/nix.conf"
build-users-group = $NIX_BUILD_GROUP_NAME
EOF
_sudo "to place the default nix daemon configuration (part 2)" \
install -m 0664 "$SCRATCH/nix.conf" /etc/nix/nix.conf
}
main() {
if [ "$(uname -s)" = "Darwin" ]; then
# shellcheck source=./install-darwin-multi-user.sh
. "$EXTRACTED_NIX_PATH/install-darwin-multi-user.sh"
elif [ "$(uname -s)" = "Linux" ]; then
if [ -e /run/systemd/system ]; then
# shellcheck source=./install-systemd-multi-user.sh
. "$EXTRACTED_NIX_PATH/install-systemd-multi-user.sh"
else
failure "Sorry, the multi-user installation requires systemd on Linux (detected using /run/systemd/system)"
fi
else
failure "Sorry, I don't know what to do on $(uname)"
fi
welcome_to_nix
chat_about_sudo
if [ "${ALLOW_PREEXISTING_INSTALLATION:-}" = "" ]; then
validate_starting_assumptions
fi
setup_report
if ! ui_confirm "Ready to continue?"; then
ok "Alright, no changes have been made :)"
contactme
trap finish_cleanup EXIT
exit 1
fi
create_build_group
create_build_users
create_directories
place_channel_configuration
install_from_extracted_nix
configure_shell_profile
set +eu
. /etc/profile
set -eu
setup_default_profile
place_nix_configuration
poly_configure_nix_daemon_service
trap finish_success EXIT
}
main

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#!/bin/sh
set -e
dest="/nix"
self="$(dirname "$0")"
nix="@nix@"
cacert="@cacert@"
if ! [ -e "$self/.reginfo" ]; then
echo "$0: incomplete installer (.reginfo is missing)" >&2
fi
if [ -z "$USER" ] && ! USER=$(id -u -n); then
echo "$0: \$USER is not set" >&2
exit 1
fi
if [ -z "$HOME" ]; then
echo "$0: \$HOME is not set" >&2
exit 1
fi
# macOS support for 10.12.6 or higher
if [ "$(uname -s)" = "Darwin" ]; then
macos_major=$(sw_vers -productVersion | cut -d '.' -f 2)
macos_minor=$(sw_vers -productVersion | cut -d '.' -f 3)
if [ "$macos_major" -lt 12 ] || { [ "$macos_major" -eq 12 ] && [ "$macos_minor" -lt 6 ]; }; then
echo "$0: macOS $(sw_vers -productVersion) is not supported, upgrade to 10.12.6 or higher"
exit 1
fi
fi
# Determine if we could use the multi-user installer or not
if [ "$(uname -s)" = "Darwin" ]; then
echo "Note: a multi-user installation is possible. See https://nixos.org/nix/manual/#sect-multi-user-installation" >&2
elif [ "$(uname -s)" = "Linux" ] && [ -e /run/systemd/system ]; then
echo "Note: a multi-user installation is possible. See https://nixos.org/nix/manual/#sect-multi-user-installation" >&2
fi
INSTALL_MODE=no-daemon
# Trivially handle the --daemon / --no-daemon options
if [ "x${1:-}" = "x--no-daemon" ]; then
INSTALL_MODE=no-daemon
elif [ "x${1:-}" = "x--daemon" ]; then
INSTALL_MODE=daemon
elif [ "x${1:-}" != "x" ]; then
(
echo "Nix Installer [--daemon|--no-daemon]"
echo "Choose installation method."
echo ""
echo " --daemon: Installs and configures a background daemon that manages the store,"
echo " providing multi-user support and better isolation for local builds."
echo " Both for security and reproducibility, this method is recommended if"
echo " supported on your platform."
echo " See https://nixos.org/nix/manual/#sect-multi-user-installation"
echo ""
echo " --no-daemon: Simple, single-user installation that does not require root and is"
echo " trivial to uninstall."
echo " (default)"
echo ""
) >&2
exit
fi
if [ "$INSTALL_MODE" = "daemon" ]; then
printf '\e[1;31mSwitching to the Daemon-based Installer\e[0m\n'
exec "$self/install-multi-user"
exit 0
fi
if [ "$(id -u)" -eq 0 ]; then
printf '\e[1;31mwarning: installing Nix as root is not supported by this script!\e[0m\n'
fi
echo "performing a single-user installation of Nix..." >&2
if ! [ -e $dest ]; then
cmd="mkdir -m 0755 $dest && chown $USER $dest"
echo "directory $dest does not exist; creating it by running '$cmd' using sudo" >&2
if ! sudo sh -c "$cmd"; then
echo "$0: please manually run '$cmd' as root to create $dest" >&2
exit 1
fi
fi
if ! [ -w $dest ]; then
echo "$0: directory $dest exists, but is not writable by you. This could indicate that another user has already performed a single-user installation of Nix on this system. If you wish to enable multi-user support see http://nixos.org/nix/manual/#ssec-multi-user. If you wish to continue with a single-user install for $USER please run 'chown -R $USER $dest' as root." >&2
exit 1
fi
mkdir -p $dest/store
printf "copying Nix to %s..." "${dest}/store" >&2
for i in $(cd "$self/store" >/dev/null && echo ./*); do
printf "." >&2
i_tmp="$dest/store/$i.$$"
if [ -e "$i_tmp" ]; then
rm -rf "$i_tmp"
fi
if ! [ -e "$dest/store/$i" ]; then
cp -Rp "$self/store/$i" "$i_tmp"
chmod -R a-w "$i_tmp"
chmod +w "$i_tmp"
mv "$i_tmp" "$dest/store/$i"
chmod -w "$dest/store/$i"
fi
done
echo "" >&2
if ! "$nix/bin/nix-store" --load-db < "$self/.reginfo"; then
echo "$0: unable to register valid paths" >&2
exit 1
fi
. "$nix/etc/profile.d/nix.sh"
if ! "$nix/bin/nix-env" -i "$nix"; then
echo "$0: unable to install Nix into your default profile" >&2
exit 1
fi
# Install an SSL certificate bundle.
if [ -z "$NIX_SSL_CERT_FILE" ] || ! [ -f "$NIX_SSL_CERT_FILE" ]; then
$nix/bin/nix-env -i "$cacert"
export NIX_SSL_CERT_FILE="$HOME/.nix-profile/etc/ssl/certs/ca-bundle.crt"
fi
# Subscribe the user to the Nixpkgs channel and fetch it.
if ! $nix/bin/nix-channel --list | grep -q "^nixpkgs "; then
$nix/bin/nix-channel --add https://nixos.org/channels/nixpkgs-unstable
fi
if [ -z "$_NIX_INSTALLER_TEST" ]; then
if ! $nix/bin/nix-channel --update nixpkgs; then
echo "Fetching the nixpkgs channel failed. (Are you offline?)"
echo "To try again later, run \"nix-channel --update nixpkgs\"."
fi
fi
added=
p=$HOME/.nix-profile/etc/profile.d/nix.sh
if [ -z "$NIX_INSTALLER_NO_MODIFY_PROFILE" ]; then
# Make the shell source nix.sh during login.
for i in .bash_profile .bash_login .profile; do
fn="$HOME/$i"
if [ -w "$fn" ]; then
if ! grep -q "$p" "$fn"; then
echo "modifying $fn..." >&2
echo "if [ -e $p ]; then . $p; fi # added by Nix installer" >> "$fn"
fi
added=1
break
fi
done
fi
if [ -z "$added" ]; then
cat >&2 <<EOF
Installation finished! To ensure that the necessary environment
variables are set, please add the line
. $p
to your shell profile (e.g. ~/.profile).
EOF
else
cat >&2 <<EOF
Installation finished! To ensure that the necessary environment
variables are set, either log in again, or type
. $p
in your shell.
EOF
fi

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#!/usr/bin/env bash
set -eu
set -o pipefail
readonly SERVICE_SRC=/lib/systemd/system/nix-daemon.service
readonly SERVICE_DEST=/etc/systemd/system/nix-daemon.service
readonly SOCKET_SRC=/lib/systemd/system/nix-daemon.socket
readonly SOCKET_DEST=/etc/systemd/system/nix-daemon.socket
# Path for the systemd override unit file to contain the proxy settings
readonly SERVICE_OVERRIDE=${SERVICE_DEST}.d/override.conf
create_systemd_override() {
header "Configuring proxy for the nix-daemon service"
_sudo "create directory for systemd unit override" mkdir -p "$(dirname $SERVICE_OVERRIDE)"
cat <<EOF | _sudo "create systemd unit override" tee "$SERVICE_OVERRIDE"
[Service]
$1
EOF
}
# Gather all non-empty proxy environment variables into a string
create_systemd_proxy_env() {
vars="http_proxy https_proxy ftp_proxy no_proxy HTTP_PROXY HTTPS_PROXY FTP_PROXY NO_PROXY"
for v in $vars; do
if [ "x${!v:-}" != "x" ]; then
echo "Environment=${v}=${!v}"
fi
done
}
handle_network_proxy() {
# Create a systemd unit override with proxy environment variables
# if any proxy environment variables are not empty.
PROXY_ENV_STRING=$(create_systemd_proxy_env)
if [ -n "${PROXY_ENV_STRING}" ]; then
create_systemd_override "${PROXY_ENV_STRING}"
fi
}
poly_validate_assumptions() {
if [ "$(uname -s)" != "Linux" ]; then
failure "This script is for use with Linux!"
fi
}
poly_service_installed_check() {
[ "$(systemctl is-enabled nix-daemon.service)" = "linked" ] \
|| [ "$(systemctl is-enabled nix-daemon.socket)" = "enabled" ]
}
poly_service_uninstall_directions() {
cat <<EOF
$1. Delete the systemd service and socket units
sudo systemctl stop nix-daemon.socket
sudo systemctl stop nix-daemon.service
sudo systemctl disable nix-daemon.socket
sudo systemctl disable nix-daemon.service
sudo systemctl daemon-reload
EOF
}
poly_service_setup_note() {
cat <<EOF
- load and start a service (at $SERVICE_DEST
and $SOCKET_DEST) for nix-daemon
EOF
}
poly_configure_nix_daemon_service() {
_sudo "to set up the nix-daemon service" \
systemctl link "/nix/var/nix/profiles/default$SERVICE_SRC"
_sudo "to set up the nix-daemon socket service" \
systemctl enable "/nix/var/nix/profiles/default$SOCKET_SRC"
handle_network_proxy
_sudo "to load the systemd unit for nix-daemon" \
systemctl daemon-reload
_sudo "to start the nix-daemon.socket" \
systemctl start nix-daemon.socket
_sudo "to start the nix-daemon.service" \
systemctl start nix-daemon.service
}
poly_group_exists() {
getent group "$1" > /dev/null 2>&1
}
poly_group_id_get() {
getent group "$1" | cut -d: -f3
}
poly_create_build_group() {
_sudo "Create the Nix build group, $NIX_BUILD_GROUP_NAME" \
groupadd -g "$NIX_BUILD_GROUP_ID" --system \
"$NIX_BUILD_GROUP_NAME" >&2
}
poly_user_exists() {
getent passwd "$1" > /dev/null 2>&1
}
poly_user_id_get() {
getent passwd "$1" | cut -d: -f3
}
poly_user_hidden_get() {
echo "1"
}
poly_user_hidden_set() {
true
}
poly_user_home_get() {
getent passwd "$1" | cut -d: -f6
}
poly_user_home_set() {
_sudo "in order to give $1 a safe home directory" \
usermod --home "$2" "$1"
}
poly_user_note_get() {
getent passwd "$1" | cut -d: -f5
}
poly_user_note_set() {
_sudo "in order to give $1 a useful comment" \
usermod --comment "$2" "$1"
}
poly_user_shell_get() {
getent passwd "$1" | cut -d: -f7
}
poly_user_shell_set() {
_sudo "in order to prevent $1 from logging in" \
usermod --shell "$2" "$1"
}
poly_user_in_group_check() {
groups "$1" | grep -q "$2" > /dev/null 2>&1
}
poly_user_in_group_set() {
_sudo "Add $1 to the $2 group"\
usermod --append --groups "$2" "$1"
}
poly_user_primary_group_get() {
getent passwd "$1" | cut -d: -f4
}
poly_user_primary_group_set() {
_sudo "to let the nix daemon use this user for builds (this might seem redundant, but there are two concepts of group membership)" \
usermod --gid "$2" "$1"
}
poly_create_build_user() {
username=$1
uid=$2
builder_num=$3
_sudo "Creating the Nix build user, $username" \
useradd \
--home-dir /var/empty \
--comment "Nix build user $builder_num" \
--gid "$NIX_BUILD_GROUP_ID" \
--groups "$NIX_BUILD_GROUP_NAME" \
--no-user-group \
--system \
--shell /sbin/nologin \
--uid "$uid" \
--password "!" \
"$username"
}

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#!/bin/sh
# This script installs the Nix package manager on your system by
# downloading a binary distribution and running its installer script
# (which in turn creates and populates /nix).
{ # Prevent execution if this script was only partially downloaded
oops() {
echo "$0:" "$@" >&2
exit 1
}
tmpDir="$(mktemp -d -t nix-binary-tarball-unpack.XXXXXXXXXX || \
oops "Can't create temporary directory for downloading the Nix binary tarball")"
cleanup() {
rm -rf "$tmpDir"
}
trap cleanup EXIT INT QUIT TERM
require_util() {
command -v "$1" > /dev/null 2>&1 ||
oops "you do not have '$1' installed, which I need to $2"
}
case "$(uname -s).$(uname -m)" in
Linux.x86_64) system=x86_64-linux; hash=@binaryTarball_x86_64-linux@;;
Linux.i?86) system=i686-linux; hash=@binaryTarball_i686-linux@;;
Linux.aarch64) system=aarch64-linux; hash=@binaryTarball_aarch64-linux@;;
Darwin.x86_64) system=x86_64-darwin; hash=@binaryTarball_x86_64-darwin@;;
*) oops "sorry, there is no binary distribution of Nix for your platform";;
esac
url="https://nixos.org/releases/nix/nix-@nixVersion@/nix-@nixVersion@-$system.tar.xz"
tarball="$tmpDir/$(basename "$tmpDir/nix-@nixVersion@-$system.tar.xz")"
require_util curl "download the binary tarball"
require_util tar "unpack the binary tarball"
echo "downloading Nix @nixVersion@ binary tarball for $system from '$url' to '$tmpDir'..."
curl -L "$url" -o "$tarball" || oops "failed to download '$url'"
if command -v sha256sum > /dev/null 2>&1; then
hash2="$(sha256sum -b "$tarball" | cut -c1-64)"
elif command -v shasum > /dev/null 2>&1; then
hash2="$(shasum -a 256 -b "$tarball" | cut -c1-64)"
elif command -v openssl > /dev/null 2>&1; then
hash2="$(openssl dgst -r -sha256 "$tarball" | cut -c1-64)"
else
oops "cannot verify the SHA-256 hash of '$url'; you need one of 'shasum', 'sha256sum', or 'openssl'"
fi
if [ "$hash" != "$hash2" ]; then
oops "SHA-256 hash mismatch in '$url'; expected $hash, got $hash2"
fi
unpack=$tmpDir/unpack
mkdir -p "$unpack"
tar -xf "$tarball" -C "$unpack" || oops "failed to unpack '$url'"
script=$(echo "$unpack"/*/install)
[ -e "$script" ] || oops "installation script is missing from the binary tarball!"
"$script" "$@"
} # End of wrapping

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nix_noinst_scripts := \
$(d)/nix-http-export.cgi \
$(d)/nix-profile.sh \
$(d)/nix-reduce-build
noinst-scripts += $(nix_noinst_scripts)
profiledir = $(sysconfdir)/profile.d
$(eval $(call install-file-as, $(d)/nix-profile.sh, $(profiledir)/nix.sh, 0644))
$(eval $(call install-file-as, $(d)/nix-profile-daemon.sh, $(profiledir)/nix-daemon.sh, 0644))
clean-files += $(nix_noinst_scripts)

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third_party/nix/scripts/nix-http-export.cgi.in vendored Executable file
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#! /bin/sh
export HOME=/tmp
export NIX_REMOTE=daemon
TMP_DIR="${TMP_DIR:-/tmp/nix-export}"
@coreutils@/mkdir -p "$TMP_DIR" || true
@coreutils@/chmod a+r "$TMP_DIR"
needed_path="?$QUERY_STRING"
needed_path="${needed_path#*[?&]needed_path=}"
needed_path="${needed_path%%&*}"
#needed_path="$(echo $needed_path | ./unhttp)"
needed_path="${needed_path//%2B/+}"
needed_path="${needed_path//%3D/=}"
echo needed_path: "$needed_path" >&2
NIX_STORE="${NIX_STORE_DIR:-/nix/store}"
echo NIX_STORE: "${NIX_STORE}" >&2
full_path="${NIX_STORE}"/"$needed_path"
if [ "$needed_path" != "${needed_path%.drv}" ]; then
echo "Status: 403 You should create the derivation file yourself"
echo "Content-Type: text/plain"
echo
echo "Refusing to disclose derivation contents"
exit
fi
if @bindir@/nix-store --check-validity "$full_path"; then
if ! [ -e nix-export/"$needed_path".nar.gz ]; then
@bindir@/nix-store --export "$full_path" | @gzip@ > "$TMP_DIR"/"$needed_path".nar.gz
@coreutils@/ln -fs "$TMP_DIR"/"$needed_path".nar.gz nix-export/"$needed_path".nar.gz
fi;
echo "Status: 301 Moved"
echo "Location: nix-export/"$needed_path".nar.gz"
echo
else
echo "Status: 404 No such path found"
echo "Content-Type: text/plain"
echo
echo "Path not found:"
echo "$needed_path"
echo "checked:"
echo "$full_path"
fi

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# Only execute this file once per shell.
if [ -n "${__ETC_PROFILE_NIX_SOURCED:-}" ]; then return; fi
__ETC_PROFILE_NIX_SOURCED=1
export NIX_USER_PROFILE_DIR="@localstatedir@/nix/profiles/per-user/$USER"
export NIX_PROFILES="@localstatedir@/nix/profiles/default $HOME/.nix-profile"
# Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
if [ ! -z "${NIX_SSL_CERT_FILE:-}" ]; then
: # Allow users to override the NIX_SSL_CERT_FILE
elif [ -e /etc/ssl/certs/ca-certificates.crt ]; then # NixOS, Ubuntu, Debian, Gentoo, Arch
export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
elif [ -e /etc/ssl/ca-bundle.pem ]; then # openSUSE Tumbleweed
export NIX_SSL_CERT_FILE=/etc/ssl/ca-bundle.pem
elif [ -e /etc/ssl/certs/ca-bundle.crt ]; then # Old NixOS
export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt
elif [ -e /etc/pki/tls/certs/ca-bundle.crt ]; then # Fedora, CentOS
export NIX_SSL_CERT_FILE=/etc/pki/tls/certs/ca-bundle.crt
else
# Fall back to what is in the nix profiles, favouring whatever is defined last.
for i in $NIX_PROFILES; do
if [ -e $i/etc/ssl/certs/ca-bundle.crt ]; then
export NIX_SSL_CERT_FILE=$i/etc/ssl/certs/ca-bundle.crt
fi
done
fi
export NIX_PATH="nixpkgs=@localstatedir@/nix/profiles/per-user/root/channels/nixpkgs:@localstatedir@/nix/profiles/per-user/root/channels"
export PATH="$HOME/.nix-profile/bin:@localstatedir@/nix/profiles/default/bin:$PATH"

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if [ -n "$HOME" ] && [ -n "$USER" ]; then
# Set up the per-user profile.
# This part should be kept in sync with nixpkgs:nixos/modules/programs/shell.nix
NIX_LINK=$HOME/.nix-profile
NIX_USER_PROFILE_DIR=@localstatedir@/nix/profiles/per-user/$USER
# Append ~/.nix-defexpr/channels to $NIX_PATH so that <nixpkgs>
# paths work when the user has fetched the Nixpkgs channel.
export NIX_PATH=${NIX_PATH:+$NIX_PATH:}$HOME/.nix-defexpr/channels
# Set up environment.
# This part should be kept in sync with nixpkgs:nixos/modules/programs/environment.nix
export NIX_PROFILES="@localstatedir@/nix/profiles/default $HOME/.nix-profile"
# Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
if [ -e /etc/ssl/certs/ca-certificates.crt ]; then # NixOS, Ubuntu, Debian, Gentoo, Arch
export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
elif [ -e /etc/ssl/ca-bundle.pem ]; then # openSUSE Tumbleweed
export NIX_SSL_CERT_FILE=/etc/ssl/ca-bundle.pem
elif [ -e /etc/ssl/certs/ca-bundle.crt ]; then # Old NixOS
export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt
elif [ -e /etc/pki/tls/certs/ca-bundle.crt ]; then # Fedora, CentOS
export NIX_SSL_CERT_FILE=/etc/pki/tls/certs/ca-bundle.crt
elif [ -e "$NIX_LINK/etc/ssl/certs/ca-bundle.crt" ]; then # fall back to cacert in Nix profile
export NIX_SSL_CERT_FILE="$NIX_LINK/etc/ssl/certs/ca-bundle.crt"
elif [ -e "$NIX_LINK/etc/ca-bundle.crt" ]; then # old cacert in Nix profile
export NIX_SSL_CERT_FILE="$NIX_LINK/etc/ca-bundle.crt"
fi
if [ -n "${MANPATH-}" ]; then
export MANPATH="$NIX_LINK/share/man:$MANPATH"
fi
export PATH="$NIX_LINK/bin:$PATH"
unset NIX_LINK NIX_USER_PROFILE_DIR
fi

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#! @bash@
WORKING_DIRECTORY=$(mktemp -d "${TMPDIR:-/tmp}"/nix-reduce-build-XXXXXX);
cd "$WORKING_DIRECTORY";
if test -z "$1" || test "a--help" = "a$1" ; then
echo 'nix-reduce-build (paths or Nix expressions) -- (package sources)' >&2
echo As in: >&2
echo nix-reduce-build /etc/nixos/nixos -- ssh://user@somewhere.nowhere.example.org >&2
echo nix-reduce-build /etc/nixos/nixos -- \\
echo " " \''http://somewhere.nowhere.example.org/nix/nix-http-export.cgi?needed_path='\' >&2
echo " store path name will be added into the end of the URL" >&2
echo nix-reduce-build /etc/nixos/nixos -- file://home/user/nar/ >&2
echo " that should be a directory where gzipped 'nix-store --export' ">&2
echo " files are located (they should have .nar.gz extension)" >&2
echo " Or all together: " >&2
echo -e nix-reduce-build /expr.nix /e2.nix -- \\\\\\\n\
" ssh://a@b.example.com http://n.example.com/get-nar?q= file://nar/" >&2
echo " Also supports best-effort local builds of failing expression set:" >&2
echo "nix-reduce-build /e.nix -- nix-daemon:// nix-self://" >&2
echo " nix-daemon:// builds using daemon"
echo " nix-self:// builds directly using nix-store from current installation" >&2
echo " nix-daemon-fixed:// and nix-self-fixed:// do the same, but only for" >&2;
echo "derivations with specified output hash (sha256, sha1 or md5)." >&2
echo " nix-daemon-substitute:// and nix-self-substitute:// try to substitute" >&2;
echo "maximum amount of paths" >&2;
echo " nix-daemon-build:// and nix-self-build:// try to build (not substitute)" >&2;
echo "maximum amount of paths" >&2;
echo " If no package sources are specified, required paths are listed." >&2;
exit;
fi;
while ! test "$1" = "--" || test "$1" = "" ; do
echo "$1" >> initial; >&2
shift;
done
shift;
echo Will work on $(cat initial | wc -l) targets. >&2
while read ; do
case "$REPLY" in
${NIX_STORE_DIR:-/nix/store}/*)
echo "$REPLY" >> paths; >&2
;;
*)
(
IFS=: ;
nix-instantiate $REPLY >> paths;
);
;;
esac;
done < initial;
echo Proceeding $(cat paths | wc -l) paths. >&2
while read; do
case "$REPLY" in
*.drv)
echo "$REPLY" >> derivers; >&2
;;
*)
nix-store --query --deriver "$REPLY" >>derivers;
;;
esac;
done < paths;
echo Found $(cat derivers | wc -l) derivers. >&2
cat derivers | xargs nix-store --query -R > derivers-closure;
echo Proceeding at most $(cat derivers-closure | wc -l) derivers. >&2
cat derivers-closure | egrep '[.]drv$' | xargs nix-store --query --outputs > wanted-paths;
cat derivers-closure | egrep -v '[.]drv$' >> wanted-paths;
echo Prepared $(cat wanted-paths | wc -l) paths to get. >&2
cat wanted-paths | xargs nix-store --check-validity --print-invalid > needed-paths;
echo We need $(cat needed-paths | wc -l) paths. >&2
egrep '[.]drv$' derivers-closure > critical-derivers;
if test -z "$1" ; then
cat needed-paths;
fi;
refresh_critical_derivers() {
echo "Finding needed derivers..." >&2;
cat critical-derivers | while read; do
if ! (nix-store --query --outputs "$REPLY" | xargs nix-store --check-validity &> /dev/null;); then
echo "$REPLY";
fi;
done > new-critical-derivers;
mv new-critical-derivers critical-derivers;
echo The needed paths are realized by $(cat critical-derivers | wc -l) derivers. >&2
}
build_here() {
cat critical-derivers | while read; do
echo "Realising $REPLY using nix-daemon" >&2
@bindir@/nix-store -r "${REPLY}"
done;
}
try_to_substitute(){
cat needed-paths | while read ; do
echo "Building $REPLY using nix-daemon" >&2
@bindir@/nix-store -r "${NIX_STORE_DIR:-/nix/store}/${REPLY##*/}"
done;
}
for i in "$@"; do
sshHost="${i#ssh://}";
httpHost="${i#http://}";
httpsHost="${i#https://}";
filePath="${i#file:/}";
if [ "$i" != "$sshHost" ]; then
cat needed-paths | while read; do
echo "Getting $REPLY and its closure over ssh" >&2
nix-copy-closure --from "$sshHost" --gzip "$REPLY" </dev/null || true;
done;
elif [ "$i" != "$httpHost" ] || [ "$i" != "$httpsHost" ]; then
cat needed-paths | while read; do
echo "Getting $REPLY over http/https" >&2
curl ${BAD_CERTIFICATE:+-k} -L "$i${REPLY##*/}" | gunzip | nix-store --import;
done;
elif [ "$i" != "$filePath" ] ; then
cat needed-paths | while read; do
echo "Installing $REPLY from file" >&2
gunzip < "$filePath/${REPLY##*/}".nar.gz | nix-store --import;
done;
elif [ "$i" = "nix-daemon://" ] ; then
NIX_REMOTE=daemon try_to_substitute;
refresh_critical_derivers;
NIX_REMOTE=daemon build_here;
elif [ "$i" = "nix-self://" ] ; then
NIX_REMOTE= try_to_substitute;
refresh_critical_derivers;
NIX_REMOTE= build_here;
elif [ "$i" = "nix-daemon-fixed://" ] ; then
refresh_critical_derivers;
cat critical-derivers | while read; do
if egrep '"(md5|sha1|sha256)"' "$REPLY" &>/dev/null; then
echo "Realising $REPLY using nix-daemon" >&2
NIX_REMOTE=daemon @bindir@/nix-store -r "${REPLY}"
fi;
done;
elif [ "$i" = "nix-self-fixed://" ] ; then
refresh_critical_derivers;
cat critical-derivers | while read; do
if egrep '"(md5|sha1|sha256)"' "$REPLY" &>/dev/null; then
echo "Realising $REPLY using direct Nix build" >&2
NIX_REMOTE= @bindir@/nix-store -r "${REPLY}"
fi;
done;
elif [ "$i" = "nix-daemon-substitute://" ] ; then
NIX_REMOTE=daemon try_to_substitute;
elif [ "$i" = "nix-self-substitute://" ] ; then
NIX_REMOTE= try_to_substitute;
elif [ "$i" = "nix-daemon-build://" ] ; then
refresh_critical_derivers;
NIX_REMOTE=daemon build_here;
elif [ "$i" = "nix-self-build://" ] ; then
refresh_critical_derivers;
NIX_REMOTE= build_here;
fi;
mv needed-paths wanted-paths;
cat wanted-paths | xargs nix-store --check-validity --print-invalid > needed-paths;
echo We still need $(cat needed-paths | wc -l) paths. >&2
done;
cd /
rm -r "$WORKING_DIRECTORY"