Extend plugin mechanism to arbitrary commands

README.md

@@ -50,7 +50,7 @@ Add to that an awesome [Wiki](https://github.com/jarun/nnn/wiki)!
   - Detailed file information
   - Media information (using plugin)
 - Convenience
-  - Plugins with configurable keybinds
+  - Run plugins (or commands) with configurable keybinds
   - FreeDesktop compliant trash (needs trash-cli)
   - SSHFS mounts (needs sshfs)
   - Cross-dir file/all/range selection
@@ -147,7 +147,7 @@ There is no config file. Associated files are stored under `${XDG_CONFIG_HOME:-$
 | Example `export` | Description |
 | --- | --- |
 | `NNN_BMS='d:~/Documents;D:~/Docs archive/'` | key-bookmark pairs [max 10] |
-| `NNN_PLUG='o:fzy-open;p:mocplay;m:nmount;t:thumb'` | key-plugin pairs (<kbd>:key</kbd> to run) [max 10] |
+| `NNN_PLUG='o:fzy-open;p:mocplay;m:nmount;t:thumb'` | key-plugin pairs (<kbd>:key</kbd> to run) [max 15] |
 | `NNN_USE_EDITOR=1` | open text files in `$VISUAL` (else `$EDITOR`, fallback vi) |
 | `NNN_CONTEXT_COLORS='1234'` | specify per context color [default: '4444' (all blue)] |
 | `NNN_SSHFS_OPTS='sshfs -o reconnect,idmap=user'` | specify SSHFS options |

plugins/README.md

@@ -66,6 +66,10 @@ Plugins are installed to `${XDG_CONFIG_HOME:-$HOME/.config}/nnn/plugins`. You ca
 
 With this, plugin `fzy-open` can be run with the keybind <kbd>:o</kbd>, `mocplay` can be run with <kbd>:p</kbd> and so on... The key vs. plugin pairs are shown in the help and config screen. Up to 10 plugins can have such keybinds.
 
+To assign keys to arbitrary commands (non-shell interpreted) and invoke like plugins, add `_` (underscore) before the command. For example:
+
+    export NNN_PLUG='x:_chmod +x;o:fzy-open'
+
 **Method 2:** Use the _pick plugin_ shortcut to visit the plugin directory and execute a plugin. Repeating the same shortcut cancels the operation and puts you back in the original directory.
 
 ## Create your own plugins
@@ -105,7 +109,7 @@ There are many plugins provided by `nnn` which can be used as examples. Here are
     #!/usr/bin/env sh
     git log -p -- "$1"
     ```
-    
+
 - Change to directory in clipboard using helper script
     ```sh
     #!/usr/bin/env sh
@@ -121,13 +125,13 @@ There are many plugins provided by `nnn` which can be used as examples. Here are
 
     nnn_cd "$(dirname $(readlink -fn $1))" 0
     ```
-    
+
 - Change to arbitrary directory without helper script
     ```sh
     #!/usr/bin/env sh
     echo -n "cd to: "
     read dir
-    
+
     echo -n "0$dir" > $NNN_PIPE
     ```
 

src/nnn.c

@@ -128,7 +128,7 @@
 #define MSGWAIT '$'
 #define REGEX_MAX 48
 #define BM_MAX 10
-#define PLUGIN_MAX 10
+#define PLUGIN_MAX 15
 #define ENTRY_INCR 64 /* Number of dir 'entry' structures to allocate per shot */
 #define NAMEBUF_INCR 0x800 /* 64 dir entries at once, avg. 32 chars per filename = 64*32B = 2KB */
 #define DESCRIPTOR_LEN 32
@@ -4941,13 +4941,21 @@ nochange:
 				}
 
 				if (sel == SEL_PLUGKEY) {
+					uchar flag = F_NORMAL;
+
 					r = get_input("");
 					tmp = get_kv_val(plug, NULL, r, PLUGIN_MAX, FALSE);
 					if (!tmp)
 						goto nochange;
 
-					mkpath(plugindir, tmp, newpath);
-					spawn(newpath, (ndents ? dents[cur].name : NULL), path, path, F_NORMAL);
+					if (tmp[0] == '_' && tmp[1]) {
+						xstrlcpy(newpath, ++tmp, PATH_MAX);
+						flag = F_CLI | F_CONFIRM;
+					} else
+						mkpath(plugindir, tmp, newpath);
+
+					spawn(newpath, (ndents ? dents[cur].name : NULL),
+					      path, path, flag);
 
 					if (cfg.filtermode)
 						presel = FILTER;