aboutsummaryrefslogtreecommitdiff
path: root/pull.c
diff options
context:
space:
mode:
authorDaniel Barkalow <barkalow@iabervon.org>2005-04-30 16:53:56 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-30 16:53:56 -0700
commit4250a5e5b1755e45153248217fe1d5550c972c8d (patch)
treeec4e77e64d8db8f075c5e0a5023c243587b22a66 /pull.c
parent5e7921e7c1a844974469a5f865ebf0001ff06311 (diff)
downloadgit-4250a5e5b1755e45153248217fe1d5550c972c8d.tar.gz
git-4250a5e5b1755e45153248217fe1d5550c972c8d.tar.xz
[PATCH] Split out "pull" from particular methods
The method for deciding what to pull is useful separately from any of the ways of actually fetching the objects. So split out "pull" functionality from http-pull and rpull Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'pull.c')
-rw-r--r--pull.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/pull.c b/pull.c
new file mode 100644
index 000000000..86a7b6901
--- /dev/null
+++ b/pull.c
@@ -0,0 +1,77 @@
+#include "pull.h"
+
+#include "cache.h"
+#include "commit.h"
+#include "tree.h"
+
+int get_tree = 0;
+int get_history = 0;
+int get_all = 0;
+
+static int process_tree(unsigned char *sha1)
+{
+ struct tree *tree = lookup_tree(sha1);
+ struct tree_entry_list *entries;
+
+ if (parse_tree(tree))
+ return -1;
+
+ for (entries = tree->entries; entries; entries = entries->next) {
+ if (fetch(entries->item.tree->object.sha1))
+ return -1;
+ if (entries->directory) {
+ if (process_tree(entries->item.tree->object.sha1))
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int process_commit(unsigned char *sha1)
+{
+ struct commit *obj = lookup_commit(sha1);
+
+ if (fetch(sha1))
+ return -1;
+
+ if (parse_commit(obj))
+ return -1;
+
+ if (get_tree) {
+ if (fetch(obj->tree->object.sha1))
+ return -1;
+ if (process_tree(obj->tree->object.sha1))
+ return -1;
+ if (!get_all)
+ get_tree = 0;
+ }
+ if (get_history) {
+ struct commit_list *parents = obj->parents;
+ for (; parents; parents = parents->next) {
+ if (has_sha1_file(parents->item->object.sha1))
+ continue;
+ if (fetch(parents->item->object.sha1)) {
+ /* The server might not have it, and
+ * we don't mind.
+ */
+ continue;
+ }
+ if (process_commit(parents->item->object.sha1))
+ return -1;
+ }
+ }
+ return 0;
+}
+
+int pull(char *target)
+{
+ int retval;
+ unsigned char sha1[20];
+ retval = get_sha1_hex(target, sha1);
+ if (retval)
+ return retval;
+ retval = fetch(sha1);
+ if (retval)
+ return retval;
+ return process_commit(sha1);
+}