[PATCH 1/2] Resumable clone: create git-prime-clone (Draft)

From

KWKevin Wern <kevin.m.wern@gmail.com>

Date

May 19, 2016, 05:07 UTC

Message-ID

<1463634450-28265-2-git-send-email-kevin.m.wern@gmail.com>

In-Reply-To

<1463634450-28265-1-git-send-email-kevin.m.wern@gmail.com>

At this point, no validation is performed of the file's existence, the
file's validity as a fully connected archive, or its correspondence
to the specified resource type in .git/config.
---
 Makefile      |  1 +
 prime-clone.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 prime-clone.c

diff --git a/Makefile b/Makefile
index 3f03366..34febdc 100644
--- a/Makefile
+++ b/Makefile
@@ -579,6 +579,7 @@ PROGRAM_OBJS += sh-i18n--envsubst.o
 PROGRAM_OBJS += shell.o
 PROGRAM_OBJS += show-index.o
 PROGRAM_OBJS += upload-pack.o
+PROGRAM_OBJS += prime-clone.o
 PROGRAM_OBJS += remote-testsvn.o
 
 # Binary suffix, set to .exe for Windows builds
diff --git a/prime-clone.c b/prime-clone.c
new file mode 100644
index 0000000..74fd8d4
--- /dev/null
+++ b/prime-clone.c
@@ -0,0 +1,87 @@
+#include "cache.h"
+#include "refs.h"
+
+#define PRIME_CLONE_ENABLED 1
+
+static const char prime_clone_usage[] = "git prime-clone [--strict] <dir>";
+
+static unsigned int enabled;
+static const char *url = "\0";
+static const char *filetype = "\0";
+
+static void prime_clone(void)
+{
+	if (enabled)
+	{
+		if (strlen(url) != 0 && strlen(filetype) != 0) {
+			packet_write(1, "url %s\n", url);
+			packet_write(1, "filetype %s\n", filetype);
+		}
+		else {
+			packet_write(1, "prime-clone not properly configured\n");
+		}
+	}
+	else {
+		packet_write(1, "prime-clone not enabled\n");
+	}
+	packet_flush(1);
+}
+
+static int prime_clone_config(const char *var, const char *value, void *unused)
+{
+	if (!strcmp("primeclone.url",var)) {
+		return git_config_pathname(&url, var, value);
+	}
+	if (!strcmp("primeclone.enabled",var)) {
+		if (git_config_bool(var, value))
+			enabled = PRIME_CLONE_ENABLED;
+		else
+			enabled = ~PRIME_CLONE_ENABLED;
+	}
+	if (!strcmp("primeclone.filetype",var)) {
+		return git_config_string(&filetype, var, value);
+	}
+	return parse_hide_refs_config(var, value, "primeclone");
+}
+
+int main(int argc, char **argv)
+{
+	char *dir;
+	int i;
+	int strict = 0;
+
+	git_setup_gettext();
+
+	packet_trace_identity("prime-clone");
+	git_extract_argv0_path(argv[0]);
+	check_replace_refs = 0;
+
+	for (i = 1; i < argc; i++) {
+		char *arg = argv[i];
+
+		if (arg[0] != '-')
+			break;
+		if (!strcmp(arg, "--strict")) {
+			strict = 1;
+			continue;
+		}
+		if (!strcmp(arg, "--")) {
+			i++;
+			break;
+		}
+	}
+
+	if (i != argc-1)
+		usage(prime_clone_usage);
+
+	setup_path();
+
+	dir = argv[i];
+
+	if (!enter_repo(dir, strict))
+		die("'%s' does not appear to be a git repository", dir);
+
+	git_config(prime_clone_config, NULL);
+	prime_clone();
+	return 0;
+}

-- 
1.9.1