vis

commit fe613e57557dbfc1b2fe68276059e2299372f275
parent d2083a6ec4a1b57fe45a42b69c23e5088054878c
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Fri, 11 Nov 2016 14:53:20 +0100

vis: add `:set shell` option

Diffstat:
M
README.md
 | 
4
++++
M
sam.c
 | 
6
++++++
M
vis-cmds.c
 | 
11
+++++++++++

3 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/README.md b/README.md
@@ -404,6 +404,10 @@ Operators can be forced to work line wise by specifying `V`.
     :wq           write changes then close window
     :w            write current buffer content to file
 
+     shell      path            default $SHELL, /etc/passwd, /bin/sh
+
+       set shell to use for external commands (e.g. <, >, |)
+
      tabwidth   [1-8]           default 8
 
        set display width of a tab and number of spaces to use if
diff --git a/sam.c b/sam.c
@@ -197,6 +197,7 @@ typedef struct {
 } OptionDef;
 
 enum {
+	OPTION_SHELL,
 	OPTION_AUTOINDENT,
 	OPTION_EXPANDTAB,
 	OPTION_TABWIDTH,
@@ -213,6 +214,11 @@ enum {
 };
 
 static const OptionDef options[] = {
+	[OPTION_SHELL] = {
+		{ "shell" },
+		OPTION_TYPE_STRING, OPTION_FLAG_NONE,
+		"Shell to use for external commands (default: $SHELL, /etc/passwd, /bin/sh)",
+	},
 	[OPTION_AUTOINDENT] = {
 		{ "autoindent", "ai" },
 		OPTION_TYPE_BOOL, OPTION_FLAG_NONE,
diff --git a/vis-cmds.c b/vis-cmds.c
@@ -150,6 +150,17 @@ static bool cmd_set(Vis *vis, Win *win, Command *cmd, const char *argv[], Cursor
 
 	size_t opt_index = opt - options;
 	switch (opt_index) {
+	case OPTION_SHELL:
+	{
+		char *shell = strdup(arg.s);
+		if (!shell) {
+			vis_info_show(vis, "Failed to change shell");
+			return false;
+		}
+		free(vis->shell);
+		vis->shell = shell;
+		break;
+	}
 	case OPTION_EXPANDTAB:
 		vis->expandtab = arg.b;
 		break;