Tree @debian/0.5.10-1 (Download .tar.gz)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | Help keeping `~/.emacs.d` clean =============================== The default paths used to store configuration files and persistent data are not consistent across Emacs packages. This isn't just a problem with third-party packages but even with built-in packages. Some packages put these files directly in `user-emacs-directory` or `$HOME` or in a subdirectory of either of the two or elsewhere. Furthermore sometimes file names are used that don't provide any insight into what package might have created them. This package sets out to fix this by changing the values of path variables to put files in either `no-littering-etc-directory` (defaulting to `~/.emacs.d/etc/`) or `no-littering-var-directory` (defaulting to `~/.emacs.d/var/`), and by using descriptive file names and subdirectories when appropriate. This is similar to a color-theme; a "path-theme" if you will. We still have a long way to go until most built-in and many third-party path variables are properly "themed". Like a color-theme, this package depends on user contributions to accomplish decent coverage. Pull requests are highly welcome. Usage ----- Load the feature `no-littering` as early as possible in your init file. Make sure you load it at least before you change any path variables using some other method. (require 'no-littering) If you would like to use base directories different from what `no-littering` uses by default, then you have to set the respective variables before loading the feature. (setq no-littering-etc-directory (expand-file-name "config/" user-emacs-directory)) (setq no-littering-var-directory (expand-file-name "data/" user-emacs-directory)) (require 'no-littering) ### Suggested Settings If you use `recentf` then you might find it convenient to exclude all of the files in the `no-littering` directories using something like the following. (require 'recentf) (add-to-list 'recentf-exclude no-littering-var-directory) (add-to-list 'recentf-exclude no-littering-etc-directory) #### Auto-save settings One of the most common types of files that Emacs creates automatically is auto-save files. By default, these appear in the current directory of a visited file. No-littering does not change this, but you can add the following code to your `init.el` file to store these files in the var directory: (setq auto-save-file-name-transforms `((".*" ,(no-littering-expand-var-file-name "auto-save/") t)))) Conventions ----------- ### (A) File names 1. File names are based on the name of the respective Emacs lisp variables and the name of the respective Emacs package. 2. The name of the respective Emacs package should serve as the prefix of the file name, unless the file is in a subdirectory in which case the name of the subdirectory serves as the prefix. 3. If the name of the package and the prefix of the variable do not match, then we prefer the name of the package. 4. If the name of a path variable ends with `-file`, `-default-file`, `-directory`, `-default-directory`, or something similar, then that suffix is usually dropped from the file name. 5. If applicable, the appropriate extension is added to the file name so that files are visited using the appropriate major-modes and also to provide a hint about the kind of data stored in the file. E.g. if a file contains an S-expression, then the suffix should be `*.el`. ### (B) File location and subdirectories 1. If a package has only one data file, then that is usually placed in `no-littering-var-directory` itself. Likewise if a package has only one config file, then that is placed in `no-littering-etc-directory` itself. 2. If a package has multiple data (or config files), then those files are placed in a subdirectory of `no-littering-var-directory` (or `no-littering-etc-directory`). 3. If a subdirectory is used for a package's data (or config) file variables, then the name of the directory should match the name of the package in most cases. The subdirectory name may serve as the package prefix of the file name. 4. A package that provides a "framework" for other packages to use, then we may reuse its directories for other packages that make use of that framework or otherwise "extend" the "main package". E.g. we place all `helm` related files in `helm/`. 5. If a package only defines a single variable that specifies a data (or config) directory, then the directory name should nevertheless be just the package name. E.g. the path used for `sx-cache-directory` from the `sx` package is `sx/cache/`, not `sx-cache/`. 6. However if the name of the directory variable implies that the package won't ever define any data (or config) files that won't be placed in that directory, then we use a top-level directory. E.g. when the name of the variable is `<package>-directory`, in which case we would use just `<package>/` as the path. ### (C) Ordering and alignment 1. The code that sets the values of themed variables is split into two groups. The first group sets the value of variables that belong to packages that are part of Emacs, and the second group is used for variables that are defined by packages that are not part of Emacs. 2. Each of these lists is sorted alphabetically (usually by variable name). Please keep it that way. 3. We attempt to align the value forms inside different `setq` forms. If the symbol part for a particular variable is too long to allow doing so, then don't worry about it and just break the alignment. If it turns out that this happens very often, then we will adjust the alignment eventually. ### (D) Commit messages 1. Please theme each package using a separate commit and use commit messages of the form `PACKAGE: theme VARIABLE`. 2. If a package has several path variables, then you should theme them all in one commit. 3. If the variable names do not fit nicely on the summary line, then use a message such as: ``` foo: theme variables Theme `foo-config-file', `foo-cache-directory', and `foo-persistent-file'. ``` 4. When appropriate add statements like the following to the commit message: - This file is used to store an s-expression. - This file is used to store raw text. - This is the only configuration/data file of the package. - This package does/doesn't take care of creating the containing directory if necessary. (If the package does not do it, then you should also fix that and submit an upstream pull request.) 5. If you are uncertain, then be explicit about it by adding a comment to the pull-request. <!-- Local Variables: --> <!-- fill-column: 70 --> <!-- End: --> |
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