diff options
Diffstat (limited to 'content/post')
| -rw-r--r-- | content/post/cedit-and-paredit.md | 4 | ||||
| -rw-r--r-- | content/post/emacs-package-archive-statistics.md | 40 | ||||
| -rw-r--r-- | content/post/opening-projects-with-projectile.md | 20 | ||||
| -rw-r--r-- | content/post/repository-management-with-ghq.md | 16 | ||||
| -rw-r--r-- | content/post/self-hosted-git.md | 29 |
5 files changed, 54 insertions, 55 deletions
diff --git a/content/post/cedit-and-paredit.md b/content/post/cedit-and-paredit.md index a8b65a1..23fb1c4 100644 --- a/content/post/cedit-and-paredit.md +++ b/content/post/cedit-and-paredit.md @@ -28,12 +28,12 @@ paredit. Turns out it provides that control whether a space should be inserted. So, solving the formatting issue turned out to be pretty simple: -{{< highlight cl >}} +```elisp (defun ap/cedit-space-delimiter-p (endp delimiter) "Don't insert a space before delimiters in c-style modes" (not cedit-mode)) (add-to-list 'paredit-space-for-delimiter-predicates #'ap/cedit-space-delimiter-p) -{{< /highlight >}} +``` Hopefully that saves someone some time if they try to use the two together. diff --git a/content/post/emacs-package-archive-statistics.md b/content/post/emacs-package-archive-statistics.md index 5f74f18..2275c9a 100644 --- a/content/post/emacs-package-archive-statistics.md +++ b/content/post/emacs-package-archive-statistics.md @@ -10,13 +10,13 @@ I use [cask][] for managing the dependencies of my Emacs configuration. Whenever I opened my `Cask` file, I wondered if I really was using all the sources I had defined: -{{< highlight cl >}} +```elisp (source gnu) (source marmalade) (source melpa) (source melpa-stable) (source org) -{{< /highlight >}} +``` It seemed quite strange that we have so many package repositories in the Emacs world and I'm not even using all of them. I find this state @@ -44,29 +44,29 @@ decided to try to figure out how to generate some usage statistics. I found [how to get a list of installed packages][], but that just gives a list: -{{< highlight cl >}} +```elisp (ace-jump-mode ag auto-compile auto-indent-mode autopair ...) -{{< /highlight >}} +``` I needed to get more information about those packages. I looked at where `list-packages` gets that information from. It seems that `package-archive-contents` is a list of cons cells: -{{< highlight cl >}} +```elisp (org-plus-contrib . [(20140714) nil "Outline-based notes management and organizer" tar "org"]) -{{< /highlight >}} +``` Then created a function to loop over the contents of `package-activated-list`, retrieving the corresponding contents of `package-archive-contents`: -{{< highlight cl >}} +```elisp (defun package-list-installed () (loop for pkg in package-activated-list collect (assq pkg package-archive-contents))) -{{< /highlight >}} +``` This generates a list of arrays from `package-archive-contents`. There are some helper functions in package.el such as @@ -74,11 +74,11 @@ There are some helper functions in package.el such as needed. I happened to be using a pretest version of Emacs at the time and didn't know that it's not in 24.3, so I just made sure it was defined: -{{< highlight cl >}} +```elisp (if (not (fboundp #'package-desc-archive)) (defsubst package-desc-archive (desc) (aref desc (1- (length desc))))) -{{< /highlight >}} +``` Weirdly, some of the arrays (seemingly the ones from the [org archive][]) had a different length, but the repository/archive was @@ -89,7 +89,7 @@ To generate a list of statistics, I just needed to loop over the installed packages from `package-list-installed` and update a count for each archive: -{{< highlight cl >}} +```elisp (defun package-archive-stats () (let ((archives (makehash)) (assoc '())) @@ -101,32 +101,32 @@ for each archive: (let ((pkg-arc (package-desc-archive (cdr pkg)))) (incf (gethash pkg-arc archives))))) assoc)) -{{< /highlight >}} +``` Running this gives a list of cons cells: -{{< highlight cl >}} +```elisp (("gnu" . 0) ("org" . 1) ("melpa-stable" . 2) ("melpa" . 106) ("marmalade" . 1)) -{{< /highlight >}} +``` I wrapped it in an interactive function so that I could check the numbers quickly: -{{< highlight cl >}} +```elisp (defun package-show-archive-stats () (interactive) (message "%s" (package-archive-stats))) -{{< /highlight >}} +``` With that, I removed `(source gnu)` from my `Cask` file. Now I had another question. What package was installed from [marmalade][]? In the lisp fashion, I created yet another function: -{{< highlight cl >}} +```elisp (defun package-show-installed-from-archive (archive) (interactive (list (helm-comp-read "Archive: " (mapcar #'car package-archives) :must-match t))) @@ -136,15 +136,15 @@ the lisp fashion, I created yet another function: (if (called-interactively-p) (message "%s" from-arc) from-arc))) -{{< /highlight >}} +``` (Non-helm users can replace `helm-comp-read` with `ido-completing-read` or similar) Running this with the argument `"marmalade"` gives: -{{< highlight cl >}} +```elisp (php-extras) -{{< /highlight >}} +``` I checked on [MELPA Stable][] and [MELPA][], but it's not available there. Given that I use [php-extras][] quite a bit at work, I can't remove diff --git a/content/post/opening-projects-with-projectile.md b/content/post/opening-projects-with-projectile.md index 04f8cb6..d88d309 100644 --- a/content/post/opening-projects-with-projectile.md +++ b/content/post/opening-projects-with-projectile.md @@ -12,30 +12,30 @@ With this in mind, I decided to try to add support for opening projects under a I saw that projectile uses [Dash.el][] in some places, and after reading about [anaphoric macros], I decided that I'd try to use them to aid me. -{{% highlight cl %}} +```elisp (defun ap/subfolder-projects (dir) (--map (file-relative-name it dir) (-filter (lambda (subdir) (--reduce-from (or acc (funcall it subdir)) nil projectile-project-root-files-functions)) (-filter #'file-directory-p (directory-files dir t "\\<"))))) -{{% /highlight %}} +``` First, this filters the non-special files under `dir`, filtering non-directories. Then it runs the list of `projectile-project-root-files-functions` on it to determine if it looks like a projectile project. To make the list more readable, it makes the filenames relative to the passed-in directory. It runs like this: -{{% highlight cl %}} +```elisp (ap/subfolder-projects "~/projects") => ("dotfiles" "ggtags" …) -{{% /highlight %}} +``` So, we've got ourselves a list, but now we need to be able to open the project that's there, even though the folders are relative. -{{% highlight cl %}} +```elisp (defun ap/open-subfolder-project (from-dir &optional arg) (let ((project-dir (projectile-completing-read "Open project: " (ap/subfolder-projects from-dir)))) (projectile-switch-project-by-name (expand-file-name project-dir from-dir) arg))) -{{% /highlight %}} +``` By wrapping the call to `ap/subfolder-projects` in another function that takes the same directory argument, we can re-use the project parent directory and expand the selected project name into an absolute path before passing it to `projectile-switch-project-by-name`. @@ -43,7 +43,7 @@ We get support for multiple completion systems for free, since projectile has a Then I defined some helper functions to make it easy to open work and home projects. -{{% highlight cl %}} +```elisp (defvar work-project-directory "~/work") (defvar home-project-directory "~/projects") @@ -54,7 +54,7 @@ Then I defined some helper functions to make it easy to open work and home proje (defun ap/open-home-project (&optional arg) (interactive "P") (ap/open-subfolder-project home-project-directory arg)) -{{% /highlight %}} +``` I could probably simplify this with a macro, but I'm not sure that there's much advantage in it. I only have two project types right now, after all. @@ -62,14 +62,14 @@ With this all set up, whenever I want to start working on a project I just type I also considered trying to add all the projects under a directory to the projectile known project list. I didn't find it quite as easy to use, but it's available below if anyone would prefer that style. -{{% highlight cl %}} +```elisp (defun ap/-add-known-subfolder-projects (dir) (-map #'projectile-add-known-project (--map (concat (file-name-as-directory dir) it) (ap/subfolder-projects dir)))) (defun ap/add-known-subfolder-projects () (interactive) (ap/-add-known-subfolder-projects (ido-read-directory-name "Add projects under: "))) -{{% /highlight %}} +``` [Projectile]: https://github.com/bbatsov/projectile [Dash.el]: https://github.com/magnars/dash.el diff --git a/content/post/repository-management-with-ghq.md b/content/post/repository-management-with-ghq.md index 6006605..d831c9e 100644 --- a/content/post/repository-management-with-ghq.md +++ b/content/post/repository-management-with-ghq.md @@ -8,10 +8,10 @@ I recently encountered [ghq][], a tool for automatically organising VCS-backed projects automatically. Give it a repository URL, it will clone a project to your projects dir (set by `$GHQ_ROOT`) like so: -{{< highlight sh >}} +```sh $ ghq get https://github.com/motemen/ghq # Runs `git clone https://github.com/motemen/ghq ~/.ghq/github.com/motemen/ghq` -{{< /highlight >}} +``` I don't like the idea of having projects hidden away, so I set `$GHQ_ROOT` to `$HOME/projects`. @@ -23,11 +23,11 @@ I wanted a nicer way to visit project directories. Since I'm using [fzf][] as a fuzzy-finder, I thought it would be nice to use it for this. I created a simple function, `fp` (find project) to do that: -{{< highlight sh >}} +```sh fp () { ghq look $(ghq list | fzf +m) } -{{< /highlight >}} +``` I ran into some issues with the subshell of `ghq look` and wondered whether it might be possible to create a zsh command to remove the @@ -36,7 +36,7 @@ need for a subshell. I found that `fzf` includes a [cd-widget function][fzf-cd-widget] and created something similar that uses `ghq` instead of `find`: -{{< highlight sh >}} +```sh cd-project-widget () { local cmd="ghq list" setopt localoptions pipefail 2> /dev/null @@ -52,7 +52,7 @@ cd-project-widget () { return $ret } zle -N cd-project-widget -{{< /highlight >}} +``` It should be quite simple to modify it to work with other fuzzy-finders. The basic idea is to show the output of `ghq list` for @@ -62,9 +62,9 @@ to print the correct directory for `cd`. What's really nice about this, is that I can bind it to a key sequence: -{{< highlight sh >}} +```sh bindkey '\es' cd-project-widget -{{< /highlight >}} +``` Now I can press `M-s` in a shell, start typing "dotfiles" and press enter to `cd` to my [dotfiles][] project. Pretty neat! diff --git a/content/post/self-hosted-git.md b/content/post/self-hosted-git.md index c73d255..883ea0f 100644 --- a/content/post/self-hosted-git.md +++ b/content/post/self-hosted-git.md @@ -62,22 +62,22 @@ means that I can create a remote repository automatically by cloning a repository URL that doesn't already exist. I can clone and create a new repo simultaneously like so: -{{< highlight shell-session >}} +```shell cd ~/projects git clone alanpearce.eu:some-new-repository -{{< /highlight >}} +``` But with [ghq][], which I [blogged about before][using-ghq], I don't have to concern myself with where to put the repository: -{{< highlight shell-session >}} +```shell $ ghq get alanpearce.eu:some-new-repository clone ssh://alanpearce.eu/some-new-repository -> /Volumes/Code/projects/alanpearce.eu/some-new-repository git clone ssh://alanpearce.eu/some-new-repository /Volumes/Code/projects/alanpearce.eu/some-new-repository Cloning into '/Volumes/Code/projects/alanpearce.eu/some-new-repository'... Initialized empty Git repository in /var/lib/gitolite/repositories/some-new-repository.git/ warning: You appear to have cloned an empty repository. -{{< /highlight >}} +``` The nice URLs come from this piece of my SSH configuration: @@ -92,10 +92,10 @@ Host alanpearce.eu This repository would be private by default, but I can change that by an SSH command. Here's how I would do it: -{{< highlight shell-session >}} -$ ssh alanpearce.eu perms some-new-repository + READERS gitweb -$ ssh alanpearce.eu perms some-new-repository + READERS daemon -{{< /highlight >}} +```shell +ssh alanpearce.eu perms some-new-repository + READERS gitweb +ssh alanpearce.eu perms some-new-repository + READERS daemon +``` The first command makes it visible in cgit, whilst the second makes it clonable via `git://` url. I can make a repository @@ -105,15 +105,14 @@ user and not `gitweb`, if I wanted. I can also add or change the description of a repository shown on cgit like so: -{{< highlight shell-session >}} -$ ssh alanpearce.eu desc some-new-repository 'A new repository' -{{< /highlight >}} +```shell +ssh alanpearce.eu desc some-new-repository 'A new repository' +``` All the remote commands exposed by gitolite are described in the -`help` command +`help` command e.g. `ssh alanpearce.eu help` -{{< highlight shell-session >}} -$ ssh alanpearce.eu help +``` hello alan, this is gitolite@oak running gitolite3 (unknown) on git 2.12.2 list of remote commands available: @@ -126,7 +125,7 @@ list of remote commands available: perms writable -{{< /highlight >}} +``` ## Conclusion |