examples: add ls-remote, fetch and index-pack examples

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

1 files changed, 57 insertions, 0 deletions

diff --git a/examples/network/git2.c b/examples/network/git2.c
new file mode 100644
index 000000000..0468c8ace
--- /dev/null
+++ b/examples/network/git2.c
@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "common.h"
+
+// This part is not strictly libgit2-dependent, but you can use this
+// as a starting point for a git-like tool
+
+struct {
+	char *name;
+	git_cb fn;
+} commands[] = {
+	{"ls-remote", ls_remote},
+	{"fetch", fetch},
+	{"index-pack", index_pack},
+	{ NULL, NULL}
+};
+
+int run_command(git_cb fn, int argc, char **argv)
+{
+	int error;
+	git_repository *repo;
+
+// Before running the actual command, create an instance of the local
+// repository and pass it to the function.
+
+	error = git_repository_open(&repo, ".git");
+	if (error < GIT_SUCCESS)
+		repo = NULL;
+
+	// Run the command. If something goes wrong, print the error message to stderr
+	error = fn(repo, argc, argv);
+	if (error < GIT_SUCCESS)
+		fprintf(stderr, "Bad news:\n %s\n", git_lasterror());
+
+	if(repo)
+		git_repository_free(repo);
+
+	return !!error;
+}
+
+int main(int argc, char **argv)
+{
+	int i, error;
+
+	if (argc < 2) {
+		fprintf(stderr, "usage: %s <cmd> [repo]", argv[0]);
+	}
+
+	for (i = 0; commands[i].name != NULL; ++i) {
+		if (!strcmp(argv[1], commands[i].name))
+			return run_command(commands[i].fn, --argc, ++argv);
+	}
+
+	fprintf(stderr, "Command not found: %s\n", argv[1]);
+  
+}