Add the POSIX options -v and -V to the 'command' builtin. Both describe the

type of their argument, if it is a shell function, an alias, a builtin, etc.
-V is more verbose than -v.

PR:	77259, 84539

1 files changed, 13 insertions, 1 deletions

diff --git a/bin/sh/eval.c b/bin/sh/eval.c
index ddf2275..fecc4de 100644
--- a/bin/sh/eval.c
+++ b/bin/sh/eval.c
@@ -976,6 +976,7 @@ commandcmd(int argc, char **argv)
 	struct strlist *sp;
 	char *path;
 	int ch;
+	int cmd = -1;
 
 	for (sp = cmdenviron; sp ; sp = sp->next)
 		setvareq(sp->text, VEXPORT|VSTACK);
@@ -983,11 +984,17 @@ commandcmd(int argc, char **argv)
 
 	optind = optreset = 1;
 	opterr = 0;
-	while ((ch = getopt(argc, argv, "p")) != -1) {
+	while ((ch = getopt(argc, argv, "pvV")) != -1) {
 		switch (ch) {
 		case 'p':
 			path = stdpath;
 			break;
+		case 'v':
+			cmd = TYPECMD_SMALLV;
+			break;
+		case 'V':
+			cmd = TYPECMD_BIGV;
+			break;
 		case '?':
 		default:
 			error("unknown option: -%c", optopt);
@@ -996,6 +1003,11 @@ commandcmd(int argc, char **argv)
 	argc -= optind;
 	argv += optind;
 
+	if (cmd != -1) {
+		if (argc != 1)
+			error("wrong number of arguments");
+		return typecmd_impl(2, argv - 1, cmd);
+	}
 	if (argc != 0) {
 		old = handler;
 		handler = &loc;