First stab at ipfs init

cmd/Makefile

@@ -0,0 +1,5 @@
+all:
+	cd ipfs; make all;
+
+clean:
+	cd ipfs; make clean;

cmd/ipfs/Makefile

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+CC = gcc
+CFLAGS = -O0
+LFLAGS =
+DEPS = init.h
+OBJS = init.o main.o ../../commands/argument.o
+
+%.o: %.c $(DEPS)
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+ipfs: $(OBJS)
+	$(CC) -o $@ $^ $(LFLAGS)
+	
+all: ipfs
+
+clean:
+	rm -f *.o

cmd/ipfs/init.c

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+#include "init.h"
+
+int get_init_command(struct command* cmd) {
+	// help text
+	cmd->help_text.tagline = "Initializes IPFS config file.";
+	cmd->help_text.short_description = "\nInitializes IPFS configuration files and generates a new keypair.\n\nipfs uses a repository in the local file system. By default, the repo is\nlocated at ~/.ipfs. To change the repo location, set the $IPFS_PATH\nenvironment variable.:\n\n    export IPFS_PATH=/path/to/ipfsrepo";
+	// arguments
+	// initialize an array of arguments with size of 1
+	struct argument argument;
+	init_string_argument(&argument, "default-config", 0, 0, "Initialize with the given configuration");
+	argument.enable_stdin = 1;
+	struct argument* array[1] = { &argument };
+	cmd->arguments = array;
+	return 0;
+}

cmd/ipfs/init.h

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+/**
+ * Initialize an IPFS repository
+ */
+#ifndef __CMD_IPFS_INIT_H__
+#define __CMD_IPFS_INIT_H__
+
+#include "../../commands/command.h"
+
+int get_init_command(struct command* command);
+
+#endif

cmd/ipfs/main.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void print_help(int longHelp, FILE* outStream) {
+
+}
+
+/**
+ * command line interface to IPFS.
+ * Steps:
+ * 	1) parse the command line
+ * 	2) if user requests help, display then exit
+ * 	3) run the command
+ * 	4) output the response
+ * 	5) if anything fails, print the error, maybe with help
+ */
+int main(int argc, char** argv) {
+
+	if (argc == 2) {
+		if (strncmp(argv[1], "help", 4) == 0) {
+			print_help(1, stdout);
+			exit(0);
+		} else if (strncmp(argv[1], "--version", 9) == 0) {
+			argv[1] = "version";
+		}
+	} // end of help
+
+	// parse command line into an invocation
+	// exit
+	exit(0);
+}