From 53d17a1be2f9a47cec9e663905fbe1ee3637e050 Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Mon, 9 Jul 2007 10:26:02 +0000
Subject: [PATCH] Add an option to fork ldconfig in env-update, #182794. Also,
 preserve the entire line in /etc/env.d/foo if it begins with $

---
 ChangeLog        |  4 ++++
 init.d/bootmisc  |  2 +-
 src/env-update.c | 40 +++++++++++++++++++++++++++++++---------
 src/librc-misc.c | 12 ++++++++----
 4 files changed, 44 insertions(+), 14 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index d7e92d3a..c7e01342 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,10 @@
 # ChangeLog for Gentoo System Intialization ("rc") scripts
 # Copyright 1999-2007 Gentoo Foundation; Distributed under the GPLv2
 
+  09 Jul 2007; Roy Marples <uberlord@gentoo.org>:
+
+    Add an option to fork ldconfig in env-update, #182794
+
   06 Jul 2007; Roy Marples <uberlord@gentoo.org>:
 
     Add and delete IPv6 addresses and routes correctly on FreeBSD, #184430
diff --git a/init.d/bootmisc b/init.d/bootmisc
index d35f6d00..6004a01c 100755
--- a/init.d/bootmisc
+++ b/init.d/bootmisc
@@ -42,7 +42,7 @@ start() {
 	ebegin "Updating environment"
 	# As runscript prefixes our path with /$LIBDIR/rcscripts/bin, our
 	# version instead of the portage version should be found first.
-	env-update
+	env-update --fork-ldconfig
 	eend $?
 
 	# Take care of random stuff [ /var/lock | /var/run | pam ]
diff --git a/src/env-update.c b/src/env-update.c
index 463cdf45..49a07718 100644
--- a/src/env-update.c
+++ b/src/env-update.c
@@ -64,6 +64,7 @@ static char *applet = NULL;
 #include "_usage.h"
 #define getoptstring "L" getoptstring_COMMON
 static struct option longopts[] = {
+	{ "fork-ldconfig",  0, NULL, 'l'},
 	{ "no-ldconfig",    0, NULL, 'L'},
 	longopts_COMMON
 	{ NULL,             0, NULL, 0}
@@ -89,6 +90,7 @@ int main (int argc, char **argv)
 	char **myspaces = NULL;
 	int opt;
 	bool ldconfig = true;
+	bool fork_ldconfig = false;
 	
 	applet = argv[0];
 
@@ -96,6 +98,9 @@ int main (int argc, char **argv)
 							   longopts, (int *) 0)) != -1)
 	{
 		switch (opt) {
+			case 'l':
+				fork_ldconfig = true;
+				break;
 			case 'L':
 				ldconfig = false;
 				break;
@@ -219,8 +224,12 @@ int main (int argc, char **argv)
 		char *tmpent = rc_xstrdup (env);
 		char *value = tmpent;
 		char *var = strsep (&value, "=");
-		if (strcmp (var, "LDPATH") != 0)
-			fprintf (fp, "export %s='%s'\n", var, value);
+		if (strcmp (var, "LDPATH") != 0) {
+			if (*value == '$')
+				fprintf (fp, "export %s=%s\n", var, value);
+			else
+				fprintf (fp, "export %s='%s'\n", var, value);
+		}
 		free (tmpent);
 	}
 	fclose (fp);
@@ -233,8 +242,12 @@ int main (int argc, char **argv)
 		char *tmpent = rc_xstrdup (env);
 		char *value = tmpent;
 		char *var = strsep (&value, "=");
-		if (strcmp (var, "LDPATH") != 0)
-			fprintf (fp, "setenv %s '%s'\n", var, value);
+		if (strcmp (var, "LDPATH") != 0) {
+			if (*value == '$')
+				fprintf (fp, "setenv %s %s\n", var, value);
+			else
+				fprintf (fp, "setenv %s '%s'\n", var, value);
+		}
 		free (tmpent);
 	}
 	fclose (fp);
@@ -275,6 +288,7 @@ int main (int argc, char **argv)
 
 		if (ld) {
 			int retval = 0;
+			pid_t pid = getpid ();
 
 			if ((fp = fopen (LDSOCONF, "w")) == NULL)
 				eerrorx ("%s: fopen `%s': %s", applet, LDSOCONF,
@@ -284,14 +298,22 @@ int main (int argc, char **argv)
 				fprintf (fp, "%s\n", ldent);
 			fclose (fp);
 
+			if (fork_ldconfig) {
+				if ((pid = fork ()) == -1)
+					eerror ("%s: failed to fork: %s", applet,
+							strerror (errno));
+			}
+
+			if (pid) {
 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
-			ebegin ("Regenerating /var/run/ld-elf.so.hints");
-			retval = system ("/sbin/ldconfig -elf -i '" LDSOCONF "'");
+				ebegin ("Regenerating /var/run/ld-elf.so.hints");
+				retval = system ("/sbin/ldconfig -elf -i '" LDSOCONF "'");
 #else
-			ebegin ("Regenerating /etc/ld.so.cache");
-			retval = system ("/sbin/ldconfig");
+				ebegin ("Regenerating /etc/ld.so.cache");
+				retval = system ("/sbin/ldconfig");
 #endif
-			eend (retval, NULL);
+				eend (retval, NULL);
+			}
 		}
 	}
 
diff --git a/src/librc-misc.c b/src/librc-misc.c
index f527ef11..6436e0b4 100644
--- a/src/librc-misc.c
+++ b/src/librc-misc.c
@@ -336,10 +336,14 @@ char **rc_get_config (char **list, const char *file)
 
 		entry = rc_xstrdup (token);
 
-		do {
-			/* Bash variables are usually quoted */
-			token = strsep (&p, "\"\'");
-		} while ((token) && (strlen (token) == 0));
+		/* Preserve shell coloring */
+		if (*p == '$')
+			token = p;
+		else
+			do {
+				/* Bash variables are usually quoted */
+				token = strsep (&p, "\"\'");
+			} while ((token) && (strlen (token) == 0));
 
 		/* Drop a newline if that's all we have */
 		i = strlen (token) - 1;