Age | Commit message (Collapse) | Author | Files | Lines |
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Merging keybinding and wpc-keybindings step-by-step...
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Now that everything is in my monorepo, it's easy for me to use <SPC>jd to search
for these files.
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I don't need the ./result symlinks...
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I don't use this anywhere, so it's time to shed more weight.
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Where it belongs...
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In the spirit of Marie Kondo, I'm tidying up!
TL;DR:
- Prefer .envrc `use_nix` and delete all dir-locals.nix files
- Remove ~all references to <nixpkgs>, <unstable>, <depot> and prefer
referencing each with briefcase.third_party.{pkgs,unstable,depot}
- Delete nixBufferFromShell function since I was only using that in
dir-locals.nix files
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My builds are still failing. This time with...
```
error: getting status of /home/wpcarro/nixpkgs-channels: Permission denied
```
...what confused me was the following:
```shell
$ sudo -u buildkite-agent-socrates stat /home/wpcarro/nixpkgs-channels
permission denied
```
But `ls -al /home/wpcarro | grep nixpkgs-channels` showed `r-w` for all users...
Thankfully @riking on ##tvl told me that I should check the permissions for
/home/wpcarro and /home...
After running `ls -al /home`, I saw `---` for all user... I then reproduced the
error by running:
```shell
$ sudo -u buildkite-agent-socrates stat /home
permission denied
```
Great!
So then I moved nixpkgs-channels to /var/lib/buildkite-agent-socrates. @edef
recommended that I read more about DynamicUser= setting for systemd, which looks
relevant after I took a cursory glance.
I'll also want a more declarative way to manager this, but I'm making small
improvements every day.
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After enabling buildkite-agent using NixOS, it runs as its own user,
buildkite-agent-socrates, which does not have its own home directory. I moved
the SSH key that I made when running buildkite-agent as wpcarro into /etc/ssh
and `chown`'d it for buildkite-agent-socrates.
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Instead of enabling `buildkite-agent` ad hoc, use NixOS to configure it.
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Wahoo!
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For now, I'm supporting two CI pipelines:
- build-socrates
- build-briefcase
Conceptually, build-briefcase should cover what build-socrates does now, but
eventually I would like build-socrates to call `switch-to-configuration` so that
all of my websites, etc. stay fresh.
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Disabling failing packages until I can get a working CI build.
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Unforeseen problem: `buildkite-agent` runs its builds in a separate directory,
so if I want the `nix-build` command to build the newly checked out code, I need
to set <briefcase> to the CWD.
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I've encountered a few problems with attempting to support nixos-rebuild:
- the activation step requires `sudo` privileges
- the `buildkite-agent` runs on the same machine, socrates, that is rebuilding
itself. This means that when the activation step runs, it will attempt to
restart `buildkite-agent` when the agent is still working
I'm slowly removing places in my nix code that rely on '<bracket>' notation, so
that I no longer depend on NIX_PATH being set. I still have more work to do.
{covid-uk,sandbox}/default.nix are breaking when I attempt to run my
build-socrates.sh script locally, so I'm temporarily disabling them until I can
get CI working as I expect.
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The rebuild script calls sudo, which I won't need as I test running
buildkite-agent prefixed with `sudo` or as the root user.
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I'd like my buildkite-agent to run as its own user, so I'm defining that user
here.
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I would like to setup a polkit rule to allow `buildkite-agent` (i.e. a
forthcoming user) to call `nixos-rebuild`. I need to know the `action.id` before
I can write a reliable rule.
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Attempting to see what $USER the buildkite-agent is when it runs.
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- using `set -euo pipefail` for setting recommended failure-modes
- using `set -x` and `echo "$PATH"` to debug my failing build
Sidenote: I find BuildKite's documentation quite helpful!
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Let's see what happens...
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I should have done this from the start.
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I've been doing a few take-home assessment recently, all of which I've attempted
to solve using Haskell. I'm having a good time, and I'm noticing strong and weak
points with my Haskell programming. I always attempt to apply any feedback a
reviewer gives me, and I'm storing my first drafts, second attempts, and
feedback here for now.
This recently attempt was for a role at Jane Street.
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Ideally I'd use exa insted of ls, but I cannot seem to support that yet.
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I believe `use_nix` looks for shell.nix and then default.nix files, so I was
wrong earlier when I said that I could get rid of shell.nix files altogether.
I need to learn more about `use_nix` and getting environments from default.nix
files.
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Cleaning things up...
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I find it bothersome to share the list of Haskell dependencies between my
default.nix and shell.nix files. A few days ago, I created a THIRD file,
shared.nix, that defined the shared code b/w default.nix and shell.nix. This
DRY'd things up, but it also added a new file, which I didn't like.
Today I learned that direnv integrates with Nix using a function called
`use_nix`. Voila! I typically already have .envrc files per-project, so this
doesn't add any unnecessary files, and it allows me to delete my shell.nix
files.
I would use `lorri`, except that I encountered issues using Lorri on my work
computer, which I'm not interested in attempting to resolve now.
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Timing myself to see how long it takes me to publish a change.
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Much better than manually running:
```shell
$ cd ~/briefcase && git pull --rebase origin master
$ nix-rebuild switch
$ nix-build -A zoo
$ pkill zoo
$ ./result/zoo &
$ job -l
$ disown %<job-number>
```
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Proving to my girlfriend that the zoo works.
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I'd like to filter logs from {blog,git,zoo}.wpcarro.dev, etc.
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Problem: The JSON that Nginx outputs cannot be successfully parsed by
journaldriver because Nginx prefixes it with "socrates nginx:". Adding
`nohostname` to `access_log` should solve this problem.
I borrow this from @tazjin's most recent definition of `commonHttpConfig`.
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Attempting to use @tazjin's delightful simple logging library!
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I haven't used this since I wrote it... and now the .tokens attribute is missing
and it's screwing up my other deployment... *sigh*
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Right now the 8000 port is hard-coded into the zoo server, which isn't ideal,
but "it works" (TM).
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I'm still unsure whether or not this is a good idea, but experimenting is a good
way to find out!
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TL;DR:
- Adds string-conversions library
- Adds tests for remaining units and repeating requests
- Adds a REPL in main
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Parse inputs like -10s into 10 second shifts back in time.
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Interact with Stripe's payment_intents API endpoint.
I'm not committing the index.html that contains client-side code that interacts
with the /create-payment-intent endpoint, but it contains sensitive information,
so I'm omitting it for now.
TL;DR:
- Define POST /create-payment-intent endpoint
- Include envStripeAPIKey in Context record
- Define a top-level Stripe module for making API calls
- Define types and instances that align with Stripes request and response types
- Depend on the Req library: a higher-level library than http-client
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Today @tazjin told me about Emacs's built-in project.el library, which he
recommended that I extend to support monorepo-specific tooling. It worked like a
charm!
Now when I press "<leader>f", it will resolve to either the nearest file named
default.nix or directory name .git.
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I don't rely on this often, so it's best to leave it as the top-level directory
for briefcase.
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Missed documenting this the first time...
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Use the newly defined `buildHaskell` function for a few of my existing Haskell
projects. So far, it works as intended!
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Use Nix and Briefcase to easily create Haskell executables.
I'd eventually like to support something like: briefcase.buildHaskell.project
that let me define a few top-level values (e.g. ghcExtensions) and would give me
a ghci environment with the proper `.ghci` settings so that my development
environment mirrored my build environment... baby steps, though.
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Small but useful alias.
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Per the assignment's instructions, the `Shift n` operation should treat
the *entire keyboard* like a cycle and shift that. I was erroneously
treating *each row* like a cycle and shifting those one-by-one.
This change fixes that. In addition, it also:
- Updates README.md with expected inputs and outputs
- Updates test suite
- Adds `split` dependency to {default,shell}.nix
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Tests:
- HorizontalFlip
- VerticalFlip
- Shift n
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TL:DR:
- Remove unused imports: Test.QuickCheck and Control.Exception
- Remove calls to `reverse` and `Utils.rotate` with their results
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TL;DR:
- include a default.nix to allow users to build an named executable
- emphasize in the README that the user needs Nix to build this project
- pin nixpkgs to a specific commit and fetch it from GitHub
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Per my take-home assignment's reviewer's comments, with which for the record I
agree, I should generate the character->coordinate table from my existing qwerty
keyboard definition.
The best part is: by doing this I found a bug: Notice how the original '0'
character was mapped to the Coordinate (0,0)... thus every subsequent digit
key (i.e. the first row) is off-by-one.
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After burning a few hours wrestling with the type system, I decided to revert to
the simpler `Server API` type instead of the `ServantT` transformer type.
The problem is that I couldn't write a MonadError instance for `RIO Context`,
which is my `AppM` (i.e. application monad). Using `throwIO` in the server
handlers results in 500 errors, which is not what I wanted. I'm still pretty
fuzzy about what's happening; I now know that exception handling in Haskell is
pretty gnaryly. I may revisit this at a later time when my knowledge is more
extensive. For now: time to fry bigger fish.
An easier abstract is for me to pass `T.Context` into `server` as an argument,
which after all is what a Reader does.
TL;DR:
- Read server, client ports from .envrc
- Define a top-level Failure type (empty for now)
- Define a top-level Success type
- Define App as RIO Context (Either Failure Success)
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