updated for version 7.4.276

Problem:    The fish shell is not supported.
Solution:   Use begin/end instead of () for fish. (Andy Russell)

src/ex_cmds.c

@@ -1551,7 +1551,15 @@ make_filter_cmd(cmd, itmp, otmp)
 {
     char_u	*buf;
     long_u	len;
+    int		is_fish_shell;
 
+#if (defined(UNIX) && !defined(ARCHIE)) || defined(OS2)
+    /* Account for fish's different syntax for subshells */
+    is_fish_shell = (fnamecmp(get_isolated_shell_name(), "fish") == 0);
+    if (is_fish_shell)
+	len = (long_u)STRLEN(cmd) + 13;		/* "begin; " + "; end" + NUL */
+    else
+#endif
 	len = (long_u)STRLEN(cmd) + 3;			/* "()" + NUL */
     if (itmp != NULL)
 	len += (long_u)STRLEN(itmp) + 9;		/* " { < " + " } " */
@@ -1567,7 +1575,12 @@ make_filter_cmd(cmd, itmp, otmp)
      * redirecting input and/or output.
      */
     if (itmp != NULL || otmp != NULL)
+    {
+	if (is_fish_shell)
+	    vim_snprintf((char *)buf, len, "begin; %s; end", (char *)cmd);
+	else
 	    vim_snprintf((char *)buf, len, "(%s)", (char *)cmd);
+    }
     else
 	STRCPY(buf, cmd);
     if (itmp != NULL)
@@ -1577,7 +1590,7 @@ make_filter_cmd(cmd, itmp, otmp)
     }
 #else
     /*
-     * for shells that don't understand braces around commands, at least allow
+     * For shells that don't understand braces around commands, at least allow
      * the use of commands in a pipe.
      */
     STRCPY(buf, cmd);

src/misc1.c

@@ -10896,3 +10896,41 @@ goto_im()
 {
     return (p_im && stuff_empty() && typebuf_typed());
 }
+
+/*
+ * Returns the isolated name of the shell:
+ * - Skip beyond any path.  E.g., "/usr/bin/csh -f" -> "csh -f".
+ * - Remove any argument.  E.g., "csh -f" -> "csh".
+ * But don't allow a space in the path, so that this works:
+ *   "/usr/bin/csh --rcfile ~/.cshrc"
+ * But don't do that for Windows, it's common to have a space in the path.
+ */
+    char_u *
+get_isolated_shell_name()
+{
+    char_u *p;
+
+#ifdef WIN3264
+    p = gettail(p_sh);
+    p = vim_strnsave(p, (int)(skiptowhite(p) - p));
+#else
+    p = skiptowhite(p_sh);
+    if (*p == NUL)
+    {
+	/* No white space, use the tail. */
+	p = vim_strsave(gettail(p_sh));
+    }
+    else
+    {
+	char_u  *p1, *p2;
+
+	/* Find the last path separator before the space. */
+	p1 = p_sh;
+	for (p2 = p_sh; p2 < p; mb_ptr_adv(p2))
+	    if (vim_ispathsep(*p2))
+		p1 = p2 + 1;
+	p = vim_strnsave(p1, (int)(p - p1));
+    }
+#endif
+    return p;
+}

src/option.c

@@ -3804,37 +3804,7 @@ set_init_3()
     else
 	do_sp = !(options[idx_sp].flags & P_WAS_SET);
 #endif
-
+    p = get_isolated_shell_name();
-    /*
-     * Isolate the name of the shell:
-     * - Skip beyond any path.  E.g., "/usr/bin/csh -f" -> "csh -f".
-     * - Remove any argument.  E.g., "csh -f" -> "csh".
-     * But don't allow a space in the path, so that this works:
-     *   "/usr/bin/csh --rcfile ~/.cshrc"
-     * But don't do that for Windows, it's common to have a space in the path.
-     */
-#ifdef WIN3264
-    p = gettail(p_sh);
-    p = vim_strnsave(p, (int)(skiptowhite(p) - p));
-#else
-    p = skiptowhite(p_sh);
-    if (*p == NUL)
-    {
-	/* No white space, use the tail. */
-	p = vim_strsave(gettail(p_sh));
-    }
-    else
-    {
-	char_u  *p1, *p2;
-
-	/* Find the last path separator before the space. */
-	p1 = p_sh;
-	for (p2 = p_sh; p2 < p; mb_ptr_adv(p2))
-	    if (vim_ispathsep(*p2))
-		p1 = p2 + 1;
-	p = vim_strnsave(p1, (int)(p - p1));
-    }
-#endif
     if (p != NULL)
     {
 	/*
@@ -3875,6 +3845,7 @@ set_init_3()
 		    || fnamecmp(p, "zsh") == 0
 		    || fnamecmp(p, "zsh-beta") == 0
 		    || fnamecmp(p, "bash") == 0
+		    || fnamecmp(p, "fish") == 0
 #  ifdef WIN3264
 		    || fnamecmp(p, "cmd") == 0
 		    || fnamecmp(p, "sh.exe") == 0

src/proto/misc1.pro

@@ -103,4 +103,5 @@ void addfile __ARGS((garray_T *gap, char_u *f, int flags));
 char_u *get_cmd_output __ARGS((char_u *cmd, char_u *infile, int flags, int *ret_len));
 void FreeWild __ARGS((int count, char_u **files));
 int goto_im __ARGS((void));
+char_u *get_isolated_shell_name __ARGS((void));
 /* vim: set ft=c : */

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    276,
 /**/
     275,
 /**/