Committing create_dep_tar after changing for dependents handlings

tools/Makefile

@@ -6,7 +6,8 @@ tools/doc_extract: tools/doc_extract.o ccan/string/string.o ccan/noerr/noerr.o c
 
 tools/namespacize: tools/namespacize.o tools/depends.o ccan/string/string.o ccan/noerr/noerr.o ccan/talloc/talloc.o
 
-tools/create_dep_tar: tools/create_dep_tar.o tools/depends.o ccan/string/string.o ccan/noerr/noerr.o ccan/talloc/talloc.o
+tools/create_dep_tar: tools/create_dep_tar.o tools/depends.o ccan/string/string.o ccan/noerr/noerr.o ccan/talloc/talloc.o tools/_infotojson/sqlite3_database.o tools/_infotojson/utils.o
+	$(CC) $(LDFLAGS) -o $@ $^ -lsqlite3
 
 tools/run_tests.o tools/namespacize.o tools/depends.o: tools/tools.h
 

tools/create_dep_tar.c

@@ -3,23 +3,60 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <sqlite3.h>
 #include "ccan/string/string.h"
 #include "ccan/talloc/talloc.h"
+#include "tools/_infotojson/database.h"
 
 #define TAR_CMD "tar cvvf "
 
-static void create_tar(char **deps, const char *dir)
+/* get dependents of the module from db */
+static char**
+get_dependents(const char *dir, const char *db)
 {
-	FILE *p;
-	char *cmd_args, *cmd, *module, *buffer;
+	char 		*query, *module, **dependents;
+	sqlite3 	*handle;
+	int 		i;
+	struct db_query *q;
+
+	module = strrchr(dir, '/');
+	module++;
+
+	/* getting dependents from db */
+	handle = db_open(db);
+	query = talloc_asprintf(NULL, "select module from search where depends LIKE \"%%%s%%\";", module);
+	q = db_query(handle, query);
+	db_close(handle);
+
+	if (q->num_rows == 0)
+		return 0;
+	else {	
+		/* getting query results and returning */
+		dependents = talloc_array(NULL, char *, q->num_rows + 1);
+		for (i = 0; i < q->num_rows; i++)
+			dependents[i] = talloc_asprintf(dependents, "ccan/%s", q->rows[i][0]);
+		dependents[q->num_rows] = NULL;
+		return dependents;
+	}
+}
+
+/* create tar ball of dependencies */
+static void
+create_tar(char **deps, const char *dir, const char *targetdir)
+{
+	FILE 	*p;
+	char 	*cmd_args, *cmd, *module, *buffer;
 
 	/* getting module name*/
 	module = strrchr(dir, '/');
 	module++;
 	
-	cmd_args = strjoin(NULL, deps, " ");	
-	cmd = talloc_asprintf(NULL, TAR_CMD "%s/%s_dep.tar %s", dir, module, cmd_args);
-		
+	if (deps != NULL) {
+		cmd_args = strjoin(NULL, deps, " ");	
+		cmd = talloc_asprintf(NULL, TAR_CMD "%s/%s_dependencies.tar %s %s", targetdir, module, cmd_args, dir);
+	} else 
+		cmd = talloc_asprintf(NULL, TAR_CMD "%s/%s.tar %s", targetdir, module, dir);
+			
 	p = popen(cmd, "r");
 	if (!p)
 		err(1, "Executing '%s'", cmd);
@@ -32,14 +69,34 @@ static void create_tar(char **deps, const char *dir)
 
 int main(int argc, char *argv[])
 {
-	char **deps;
+	char 	**deps, **dependents;
+	int 	i;
 
-	if (argc != 2)
-		errx(1, "Usage: create_dep_tar <dir>\n"
+	if (argc != 4)
+		errx(1, "Usage: create_dep_tar <dir> <targetdir> <db>\n"
 		        "Create tar of all the ccan dependencies");
 
+	/* creating tar of the module */
+	create_tar(NULL, argv[1], argv[2]);
+	printf("creating tar ball of \"%s\"\n", argv[1]);	
+
+	/* creating tar of the module dependencies */
 	deps = get_deps(NULL, argv[1]);
-	if(deps != NULL)
-		create_tar(deps, argv[1]);
+	if (deps != NULL)
+		create_tar(deps, argv[1], argv[2]);
+	talloc_free(deps);
+
+	/* creating/updating tar of the module dependents */
+	dependents = get_dependents(argv[1], argv[3]);
+	if (dependents != NULL)
+		for (i = 0; dependents[i]; i++) {	
+			printf("creating tar ball of \"%s\"\n", dependents[i]);	
+			deps = get_deps(NULL, dependents[i]);
+			if (deps != NULL)
+				create_tar(deps, dependents[i], argv[2]);			
+			talloc_free(deps);
+		}
+
+	talloc_free(dependents);
 	return 0;
 }