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[zsh] update documentation of ZPLG
This commit is contained in:
Dmytro Meleshko
parent
b2415bfe4d
commit
2d7b5b3290
1 changed files with 103 additions and 92 deletions
61
zsh/zplg.zsh
61
zsh/zplg.zsh
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@ -35,12 +35,17 @@ _ZPLG_SCRIPT_PATH="${(%):-%N}"
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# $ZPLG_HOME is a directory where all your plugins are downloaded, it also
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# might contain in the future some kind of state/lock/database files. It is
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# recommended to change it before `source`-ing this script for compatitability
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# with future versions.
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# recommended to change it before `source`-ing this script because you may end
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# up with a broken plugin directory.
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if [[ -z "$ZPLG_HOME" ]]; then
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ZPLG_HOME="${XDG_DATA_HOME:-$HOME/.local/share}/zplg"
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fi
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# Default plugin source, see the `plugin` function for description.
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if [[ -z "$ZPLG_DEFAULT_SOURCE" ]]; then
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ZPLG_DEFAULT_SOURCE="github"
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fi
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# Directory in which plugins are stored. It is separate from $ZPLG_HOME for
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# compatitability with future versions.
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_ZPLG_PLUGINS_DIR="$ZPLG_HOME/plugins"
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@ -117,7 +122,8 @@ _zplg_expand_pattern() {
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local pattern="$1" out_var_name="$2"
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# ${~var_name} turns on globbing for this expansion, note lack of quotes: as
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# it turns out glob expansions are automatically quoted by design, and when
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# you explicitly write "${~pattern}" it is basically the same as "$pattern"
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# you explicitly write `"${~pattern}"` it is basically the same as
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# `"$pattern"`
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eval "$out_var_name=(\${~pattern})"
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}
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@ -189,7 +195,7 @@ _zplg_load() {
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# function must, well, download a plugin from the given URL into the given
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# directory, ugrade one, obviously, upgrades plugin inside of the given
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# directory. Please note that neither of these functions is executed INSIDE
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# of the plugin directory.
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# of the plugin directory (i.e. current working directory is not changed).
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#
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# build (+)
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# Command which builds/compiles the plugin, executed INSIDE of $plugin_dir
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@ -207,7 +213,7 @@ _zplg_load() {
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#
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# Neat trick when using options: if you want to assign values using an array,
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# write it like this: option=${^array}. That way `option=` is prepended to
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# each value of `array`.
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# each element of `array`.
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#
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# For examples see my dotfiles: https://github.com/dmitmel/dotfiles/blob/master/zsh/plugins.zsh
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# You may ask me why did I choose to merge loading and downloading behavior
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@ -251,7 +257,7 @@ plugin() {
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# parse options {{{
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local plugin_from="github"
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local plugin_from="$ZPLG_DEFAULT_SOURCE"
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local -a plugin_build plugin_before_load plugin_after_load plugin_load plugin_ignore
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local option key value; shift 2; for option in "$@"; do
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@ -386,20 +392,23 @@ _zplg_is_plugin_loaded() {
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(( ${ZPLG_LOADED_PLUGINS[(ie)$plugin_id]} <= ${#ZPLG_LOADED_PLUGINS} ))
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}
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# Here are some useful commands for managing plugins. I chose to make them
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# functions because:
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# 1. automatic completion
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# 2. automatic correction
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# Useful commands for managing plugins {{{
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# Prints IDs of all loaded plugins.
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plugin-list() {
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# I chose to make each of these commands as a separate function because:
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# 1. automatic completion
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# 2. automatic correction
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# 3. hyphen is a single keystroke, just like space, so `zplg-list` is not
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# hard to type fast.
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# Prints IDs of all loaded plugins.
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zplg-list() {
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# (F) modifier joins an array with newlines
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print "${(F)ZPLG_LOADED_PLUGINS}"
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}
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}
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# Upgrades all plugins if no arguments are given, otherwise upgrades plugins by
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# their IDs.
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plugin-upgrade() {
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# Upgrades all plugins if no arguments are given, otherwise upgrades plugins by
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# their IDs.
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zplg-upgrade() {
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local plugin_ids_var
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if (( $# > 0 )); then
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plugin_ids_var="@"
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@ -408,7 +417,7 @@ plugin-upgrade() {
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fi
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local plugin_id plugin_url plugin_from plugin_dir; local -a plugin_build
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# for description of the (P) modifier see _zplg_run_commands
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# for description of the (P) modifier see `_zplg_run_commands`
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for plugin_id in "${(@P)plugin_ids_var}"; do
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if ! _zplg_is_plugin_loaded "$plugin_id"; then
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_zplg_error "unknown plugin $plugin_id"
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@ -433,10 +442,10 @@ plugin-upgrade() {
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( cd "$plugin_dir" && _zplg_run_commands plugin_build ) || return "$?"
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fi
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done
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}
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}
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# Reinstall plugins by IDs.
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plugin-reinstall() {
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# Reinstall plugins by IDs.
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zplg-reinstall() {
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if (( $# == 0 )); then
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_zplg_error "usage: $0 <plugin...>"
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return 1
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@ -461,16 +470,16 @@ plugin-reinstall() {
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if (( ${+ZPLG_LOADED_PLUGIN_BUILD_CMDS[$plugin_id]} )); then
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# for description of this terrible hack see the ending of the
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# `plugin-upgrade` function
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# `zplg-upgrade` function
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plugin_build=("${(@Q)${(z)${ZPLG_LOADED_PLUGIN_BUILD_CMDS[$plugin_id]}}}")
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_zplg_log "building $plugin_id"
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( cd "$plugin_dir" && _zplg_run_commands plugin_build ) || return "$?"
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fi
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done
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}
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}
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# Clears directories of plugins by their IDs.
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plugin-purge() {
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# Clears directories of plugins by their IDs.
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zplg-purge() {
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if (( $# == 0 )); then
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_zplg_error "usage: $0 <plugin...>"
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return 1
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@ -487,4 +496,6 @@ plugin-purge() {
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_zplg_log "removing $plugin_id"
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rm -rf "$plugin_dir"
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done
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}
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}
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# }}}
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