baseline

commit 9ecd584711c6e08a89f24604621bbfc2e341dfd2
parent eb8814dd1c59a478b2d3a3e496dbad576d00517c
Author: Mohamed Aslan <maslan@sce.carleton.ca>
Date:   Wed, 18 Jun 2014 04:34:46 -0400

do not create a new branch from current unless it already has some commits

Diffstat:
M
cmd-branch.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/cmd-branch.c b/cmd-branch.c
@@ -74,6 +74,11 @@ cmd_branch(int argc, char **argv)
 
 	switch (op) {
 	case O_CREATE:
+		/* get current branch's head */
+		if (s.db_ops->branch_get_head(s.db_ctx, s.branch, &head) == EXIT_FAILURE)
+			errx(EXIT_FAILURE, "error, failed to find branch head.");
+		if (head == NULL)
+			errx(EXIT_FAILURE, "error, branch \'%s\' does not contain any commits.", s.branch);
 		/* create a new branch from the current one */
 		if (s.db_ops->branch_create_from(s.db_ctx, branch, s.branch) == EXIT_FAILURE)
 			errx(EXIT_FAILURE, "error, failed to create branch \'%s\'.", branch);