thodg/libgit2

diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index e631b96..c02af06 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -1,7 +1,7 @@
 INCLUDE_DIRECTORIES(${LIBGIT2_INCLUDES})
 INCLUDE_DIRECTORIES(SYSTEM ${LIBGIT2_SYSTEM_INCLUDES})
 
-FILE(GLOB_RECURSE SRC_EXAMPLE_GIT2 network/*.c network/*.h common.?)
+FILE(GLOB_RECURSE SRC_EXAMPLE_GIT2 network/*.c common.?)
 ADD_EXECUTABLE(cgit2 ${SRC_EXAMPLE_GIT2})
 SET_TARGET_PROPERTIES(cgit2 PROPERTIES C_STANDARD 90)
 
diff --git a/examples/common.c b/examples/common.c
index e20767a..f1ee27e 100644
--- a/examples/common.c
+++ b/examples/common.c
@@ -13,6 +13,9 @@
  */
 
 #include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
 
 #include "common.h"
 
@@ -289,3 +292,76 @@ int resolve_refish(git_annotated_commit **commit, git_repository *repo, const ch
 
 	return err;
 }
+
+static int readline(char **out)
+{
+	int c, error = 0, length = 0, allocated = 0;
+	char *line = NULL;
+
+	errno = 0;
+
+	while ((c = getchar()) != EOF) {
+		if (length == allocated) {
+			allocated += 16;
+
+			if ((line = realloc(line, allocated)) == NULL) {
+				error = -1;
+				goto error;
+			}
+		}
+
+		if (c == '\n')
+			break;
+
+		line[length++] = c;
+	}
+
+	if (errno != 0) {
+		error = -1;
+		goto error;
+	}
+
+	line[length] = '\0';
+	*out = line;
+	line = NULL;
+	error = length;
+error:
+	free(line);
+	return error;
+}
+
+int cred_acquire_cb(git_cred **out,
+		const char *url,
+		const char *username_from_url,
+		unsigned int allowed_types,
+		void *payload)
+{
+	char *username = NULL, *password = NULL;
+	int error;
+
+	UNUSED(url);
+	UNUSED(username_from_url);
+	UNUSED(allowed_types);
+	UNUSED(payload);
+
+	printf("Username: ");
+	if (readline(&username) < 0) {
+		fprintf(stderr, "Unable to read username: %s", strerror(errno));
+		return -1;
+	}
+
+	/* Yup. Right there on your terminal. Careful where you copy/paste output. */
+	printf("Password: ");
+	if (readline(&password) < 0) {
+		fprintf(stderr, "Unable to read password: %s", strerror(errno));
+		free(username);
+		return -1;
+	}
+
+	error = git_cred_userpass_plaintext_new(out, username, password);
+
+	free(username);
+	free(password);
+
+	return error;
+}
diff --git a/examples/common.h b/examples/common.h
index 1c7b203..63f25c7 100644
--- a/examples/common.h
+++ b/examples/common.h
@@ -17,6 +17,17 @@
 #include <stdlib.h>
 #include <git2.h>
 
+#ifndef PRIuZ
+/* Define the printf format specifer to use for size_t output */
+#if defined(_MSC_VER) || defined(__MINGW32__)
+#	define PRIuZ "Iu"
+#else
+#	define PRIuZ "zu"
+#endif
+#endif
+
+#define UNUSED(x) (void)(x)
+
 /**
  * Check libgit2 error code, printing error to stderr on failure and
  * exiting the program.
@@ -122,3 +133,17 @@ extern void *xrealloc(void *oldp, size_t newsz);
  * Convert a refish to an annotated commit.
  */
 extern int resolve_refish(git_annotated_commit **commit, git_repository *repo, const char *refish);
+
+/**
+ * Acquire credentials via command line
+ */
+extern int cred_acquire_cb(git_cred **out,
+		const char *url,
+		const char *username_from_url,
+		unsigned int allowed_types,
+		void *payload);
+
+extern int ls_remote(git_repository *repo, int argc, char **argv);
+extern int fetch(git_repository *repo, int argc, char **argv);
+extern int index_pack(git_repository *repo, int argc, char **argv);
+extern int do_clone(git_repository *repo, int argc, char **argv);
diff --git a/examples/network/clone.c b/examples/network/clone.c
index bbcd2e8..970e84f 100644
--- a/examples/network/clone.c
+++ b/examples/network/clone.c
@@ -1,13 +1,4 @@
-#include "common.h"
-#include <git2.h>
-#include <git2/clone.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#ifndef _WIN32
-# include <pthread.h>
-# include <unistd.h>
-#endif
+#include "../common.h"
 
 typedef struct progress_data {
 	git_transfer_progress fetch_progress;
diff --git a/examples/network/common.c b/examples/network/common.c
deleted file mode 100644
index b0afb02..0000000
--- a/examples/network/common.c
+++ /dev/null
@@ -1,85 +0,0 @@
-#include "common.h"
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-
-/* Shamelessly borrowed from http://stackoverflow.com/questions/3417837/
- * with permission of the original author, Martin Pool.
- * http://sourcefrog.net/weblog/software/languages/C/unused.html
- */
-#ifdef UNUSED
-#elif defined(__GNUC__)
-# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
-#elif defined(__LCLINT__)
-# define UNUSED(x) /*@unused@*/ x
-#else
-# define UNUSED(x) x
-#endif
-
-static int readline(char **out)
-{
-	int c, error = 0, length = 0, allocated = 0;
-	char *line = NULL;
-
-	errno = 0;
-
-	while ((c = getchar()) != EOF) {
-		if (length == allocated) {
-			allocated += 16;
-
-			if ((line = realloc(line, allocated)) == NULL) {
-				error = -1;
-				goto error;
-			}
-		}
-
-		if (c == '\n')
-			break;
-
-		line[length++] = c;
-	}
-
-	if (errno != 0) {
-		error = -1;
-		goto error;
-	}
-
-	line[length] = '\0';
-	*out = line;
-	line = NULL;
-	error = length;
-error:
-	free(line);
-	return error;
-}
-
-int cred_acquire_cb(git_cred **out,
-		const char * UNUSED(url),
-		const char * UNUSED(username_from_url),
-		unsigned int UNUSED(allowed_types),
-		void * UNUSED(payload))
-{
-	char *username = NULL, *password = NULL;
-	int error;
-
-	printf("Username: ");
-	if (readline(&username) < 0) {
-		fprintf(stderr, "Unable to read username: %s", strerror(errno));
-		return -1;
-	}
-
-	/* Yup. Right there on your terminal. Careful where you copy/paste output. */
-	printf("Password: ");
-	if (readline(&password) < 0) {
-		fprintf(stderr, "Unable to read password: %s", strerror(errno));
-		free(username);
-		return -1;
-	}
-
-	error = git_cred_userpass_plaintext_new(out, username, password);
-
-	free(username);
-	free(password);
-
-	return error;
-}
diff --git a/examples/network/common.h b/examples/network/common.h
deleted file mode 100644
index 1b09caa..0000000
--- a/examples/network/common.h
+++ /dev/null
@@ -1,30 +0,0 @@
-#ifndef __COMMON_H__
-#define __COMMON_H__
-
-#include <git2.h>
-
-typedef int (*git_cb)(git_repository *, int , char **);
-
-int ls_remote(git_repository *repo, int argc, char **argv);
-int parse_pkt_line(git_repository *repo, int argc, char **argv);
-int show_remote(git_repository *repo, int argc, char **argv);
-int fetch(git_repository *repo, int argc, char **argv);
-int index_pack(git_repository *repo, int argc, char **argv);
-int do_clone(git_repository *repo, int argc, char **argv);
-
-int cred_acquire_cb(git_cred **out,
-		const char * url,
-		const char * username_from_url,
-		unsigned int allowed_types,
-		void *payload);
-
-#ifndef PRIuZ
-/* Define the printf format specifer to use for size_t output */
-#if defined(_MSC_VER) || defined(__MINGW32__)
-#	define PRIuZ "Iu"
-#else
-#	define PRIuZ "zu"
-#endif
-#endif
-
-#endif /* __COMMON_H__ */
diff --git a/examples/network/fetch.c b/examples/network/fetch.c
index 76b3011..bb5f1b1 100644
--- a/examples/network/fetch.c
+++ b/examples/network/fetch.c
@@ -1,12 +1,4 @@
-#include "common.h"
-#include <git2.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#ifndef _WIN32
-# include <pthread.h>
-# include <unistd.h>
-#endif
+#include "../common.h"
 
 static int progress_cb(const char *str, int len, void *data)
 {
diff --git a/examples/network/git2.c b/examples/network/git2.c
index d0d0eb6..4fa2839 100644
--- a/examples/network/git2.c
+++ b/examples/network/git2.c
@@ -1,13 +1,10 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
 #include "../common.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 */
 
+typedef int (*git_cb)(git_repository *, int , char **);
+
 struct {
 	char *name;
 	git_cb fn;
diff --git a/examples/network/index-pack.c b/examples/network/index-pack.c
index 128c7eb..87445e4 100644
--- a/examples/network/index-pack.c
+++ b/examples/network/index-pack.c
@@ -1,7 +1,5 @@
-#include <git2.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include "../common.h"
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -17,7 +15,6 @@
 #else
 # include <unistd.h>
 #endif
-#include "common.h"
 
 /*
  * This could be run in the main loop whilst the application waits for
diff --git a/examples/network/ls-remote.c b/examples/network/ls-remote.c
index fb258ac..8181629 100644
--- a/examples/network/ls-remote.c
+++ b/examples/network/ls-remote.c
@@ -1,8 +1,4 @@
-#include <git2.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include "common.h"
+#include "../common.h"
 
 static int use_remote(git_repository *repo, char *name)
 {