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bin/hey: add option docs & fix error handling

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This commit is contained in:
Henrik Lissner 2021-02-14 16:04:29 -05:00
parent 82bab563cd
commit b9e7d7213c
1 changed files with 21 additions and 14 deletions
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35
bin/hey
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@ -122,11 +122,11 @@ module Hey
defcmd [:rebuild, :re] do
desc "Rebuild the current system's flake"
opts '--build-host HOST', "TODO"
opts '--target-host HOST', "TODO"
opts '--host HOST', "TODO"
opts '--user', "TODO"
opts '--fast', "TODO"
opts '--build-host HOST', "Where to build the flake"
opts '--target-host HOST', "Where to deploy the built derivations"
opts '--host HOST', "The target nixosConfiguration to build"
opts '--user', "Rebuild as user, rather than root"
opts '--fast', "Equivalent to --no-build-nix --show-trace for quick rebuilding"
lambda do |args|
Dir.chdir(@@opts[:flake]) do
args = ["switch"] unless args.length > 0
@ -241,25 +241,32 @@ module Hey
end
defcmd :ssh do
desc "Run a Hey command on a remote NixOS system",
"This command assumes that the remote system is built on these dotfiles, it is",
"dangerous to do this if that isn't the case."
desc "Run a bin/hey command on a remote NixOS system",
"If COMMAND is one of switch, test, or boot (if omitted, 'test' is assumed),",
"that host's config is built locally and then copied to the remote over ssh.",
"This will prompt you for your root password, as it temporarily opens root ssh",
"access (via your existing ssh key) to the remote -- which is immediately removed",
"upon completion.",
"",
"If COMMAND is anything else, it merely runs 'nix run github:hlissner/dotfiles",
"-- COMMAND' on the rmeote."
args "HOST", "[COMMAND]"
opts '--host HOST', "The nixos config to build and deploy to HOST"
lambda do |args|
target, command = args.take(2)
if command.match /switch|test|boot/
command ||= "test"
if command.match(/switch|test|boot/)
puts "Enabling root ssh access on #{target}. Enter root password for remote system:"
if sh ["ssh", "-t", target,
"sudo mkdir -p /root/.ssh && sudo cp -f ~/.ssh/authorized_keys /root/.ssh/"],
noerror: true
begin
puts "Building #{target}"
puts "Building #{@@opts[:flake]}##{@@opts[:host] || target} for #{target}"
call "rebuild", ["--user",
"--host", @@opts[:host] || target,
"--build-host", "localhost",
"--target-host", "root@#{target}",
command || "test"]
command]
ensure
puts "Undoing root ssh access on #{target}"
sh ["ssh", "-t", "root@#{target}", "rm -f /root/.ssh/authorized_keys"]
@ -276,8 +283,8 @@ module Hey
# TODO Generalize this to nix profiles
defcmd [:generations, :gen] do
desc "Explore, manage, diff across generations"
opts '--diff FROM TO', "TODO"
opts '-r', '--remove PROFILE', "TODO"
opts '--diff FROM TO', "Diff profiles FROM with TO (numbers)"
opts '-r', '--remove PROFILE', "Delete PROFILE from history"
lambda do |args|
profile = "/nix/var/nix/profiles/system"
case args.shift
@ -346,7 +353,7 @@ module Hey
opt.on('-d', '--dryrun', "Don't change anything; preform dry run")
opt.on('-D', '--debug', "Show trace on nix errors")
opt.on('-f', '--flake URI', "Change target flake to URI")
opt.on(*%w{-h --help}, "Display this help, or help for a specific command")
opt.on('-h', '--help', "Display this help, or help for a specific command")
opt.on(*%w{-i -A -q -e -p}, "Forward to nix-env") { sh ["nix-env", *ARGV]; exit }
end
opts.order!(args, into: @@opts)