From: Kay Sievers <kay.sievers@vrfy.org>
Date: Thu, 8 Nov 2007 23:49:50 +0000 (+0100)
Subject: udevadm: accept command as option, like --help, --version
X-Git-Tag: 174~1792
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=3ca494515ccc7ba3cdfa946325bcf0273b899510

udevadm: accept command as option, like --help, --version
---

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 6fadd2baf..1b6883325 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -2,10 +2,14 @@ udev 117
 ========
 Bugfixes.
 
-All udev tools are merged into a single binary called udevadm now.
-The old names of the binary are commands for udevadm now. Symlinks
-provide the functionality of the standalone tools. There is only a
-single udevadm.8 man page for all tools left.
+All udev tools are merged into a single binary called udevadm.
+The old names of the tools are built-in commands in udevadm now.
+Symlinks to udevadm, with the names of the old tools, provide
+the same functionality as the standalone tools. There is also
+only a single udevadm.8 man page left for all tools.
+
+Tools like mkinitramfs should be checked, if they need to include
+udevadm in the list of files.
 
 udev 116
 ========
diff --git a/udevadm.c b/udevadm.c
index 24e4d991b..e2b7779a9 100644
--- a/udevadm.c
+++ b/udevadm.c
@@ -65,7 +65,7 @@ static int help(int argc, char *argv[], char *envp[])
 {
 	const struct command *cmd;
 
-	printf("Usage: udev COMMAND [OPTIONS]\n");
+	printf("Usage: udevadm COMMAND [OPTIONS]\n");
 	for (cmd = cmds; cmd->name != NULL; cmd++)
 		printf("  %-12s %s\n", cmd->name, cmd->help);
 	printf("\n");
@@ -145,9 +145,13 @@ int main(int argc, char *argv[], char *envp[])
 		argc--;
 	}
 
-	if (command == NULL || command[0] == '\0')
+	if (command == NULL)
 		goto err_unknown;
 
+	/* allow command to be specified as an option */
+	if (strncmp(command, "--", 2) == 0)
+		command += 2;
+
 	/* find and execute command */
 	for (cmd = cmds; cmd->name != NULL; cmd++) {
 		if (strcmp(cmd->name, command) == 0) {