[patch] Patch using a temporary file

gendepends.patch (text/plain), 1.03 KB, created by Stefan Hoefer on 2005-02-23 09:14:55 UTC

--- gendepends.awk.orig	2005-02-23 18:00:58.385854952 +0100
+++ gendepends.awk	2005-02-23 17:48:27.000000000 +0100
@@ -335,9 +335,19 @@
 	DEPTYPES = ENVIRON["DEPTYPES"]
 	ORDTYPES = ENVIRON["ORDTYPES"]
 
-	CACHEDTREE = SVCDIR "/deptree"
-
-	assert(dosystem("rm -f " CACHEDTREE ), "system(rm -f " CACHEDTREE ")")
+	#CACHEDTREE = SVCDIR "/deptree"
+	ORIGCACHEDTREE = SVCDIR "/deptree"
+	
+        # Since this could be called more than once simultaneously, use a
+        # temporary cache and rename when finished.  See bug 48303
+        ("/bin/mktemp "SVCDIR"/treecache.XXXXXXX") | getline CACHEDTREE
+        if (CACHEDTREE == "") {
+                eerror("Failed to create temporary cache!")
+                exit 1
+        }
+									
+	#assert(dosystem("rm -f " CACHEDTREE ), "system(rm -f " CACHEDTREE ")")
+	assert(dosystem("rm -f " ORIGCACHEDTREE ), "system(rm -f " ORIGCACHEDTREE ")")
 }
 
 {
@@ -486,6 +496,8 @@
 		print "LOGGER_SERVICE=" >> (CACHEDTREE)
 		
 	close(CACHEDTREE)
+
+        system("mv "CACHEDTREE" "ORIGCACHEDTREE)
 }