merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 67 insertions, 0 deletions

diff --git a/third_party/git/builtin/bundle.c b/third_party/git/builtin/bundle.c
new file mode 100644
index 000000000000..1ea4bfdfc198
--- /dev/null
+++ b/third_party/git/builtin/bundle.c
@@ -0,0 +1,67 @@
+#include "builtin.h"
+#include "cache.h"
+#include "bundle.h"
+
+/*
+ * Basic handler for bundle files to connect repositories via sneakernet.
+ * Invocation must include action.
+ * This function can create a bundle or provide information on an existing
+ * bundle supporting "fetch", "pull", and "ls-remote".
+ */
+
+static const char builtin_bundle_usage[] =
+  "git bundle create <file> <git-rev-list args>\n"
+  "   or: git bundle verify <file>\n"
+  "   or: git bundle list-heads <file> [<refname>...]\n"
+  "   or: git bundle unbundle <file> [<refname>...]";
+
+int cmd_bundle(int argc, const char **argv, const char *prefix)
+{
+	struct bundle_header header;
+	const char *cmd, *bundle_file;
+	int bundle_fd = -1;
+
+	if (argc < 3)
+		usage(builtin_bundle_usage);
+
+	cmd = argv[1];
+	bundle_file = prefix_filename(prefix, argv[2]);
+	argc -= 2;
+	argv += 2;
+
+	memset(&header, 0, sizeof(header));
+	if (strcmp(cmd, "create") && (bundle_fd =
+				read_bundle_header(bundle_file, &header)) < 0)
+		return 1;
+
+	if (!strcmp(cmd, "verify")) {
+		close(bundle_fd);
+		if (argc != 1) {
+			usage(builtin_bundle_usage);
+			return 1;
+		}
+		if (verify_bundle(the_repository, &header, 1))
+			return 1;
+		fprintf(stderr, _("%s is okay\n"), bundle_file);
+		return 0;
+	}
+	if (!strcmp(cmd, "list-heads")) {
+		close(bundle_fd);
+		return !!list_bundle_refs(&header, argc, argv);
+	}
+	if (!strcmp(cmd, "create")) {
+		if (argc < 2) {
+			usage(builtin_bundle_usage);
+			return 1;
+		}
+		if (!startup_info->have_repository)
+			die(_("Need a repository to create a bundle."));
+		return !!create_bundle(the_repository, bundle_file, argc, argv);
+	} else if (!strcmp(cmd, "unbundle")) {
+		if (!startup_info->have_repository)
+			die(_("Need a repository to unbundle."));
+		return !!unbundle(the_repository, &header, bundle_fd, 0) ||
+			list_bundle_refs(&header, argc, argv);
+	} else
+		usage(builtin_bundle_usage);
+}