first commit
diff --git a/edifyscripting.c b/edifyscripting.c
new file mode 100644
index 0000000..7d0d728
--- /dev/null
+++ b/edifyscripting.c
@@ -0,0 +1,267 @@
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <limits.h>
+#include <linux/input.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/reboot.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <sys/wait.h>
+#include <sys/limits.h>
+#include <dirent.h>
+#include <sys/stat.h>
+
+#include <signal.h>
+#include <sys/wait.h>
+
+#include "bootloader.h"
+#include "common.h"
+#include "cutils/properties.h"
+#include "firmware.h"
+#include "install.h"
+#include "minui/minui.h"
+#include "minzip/DirUtil.h"
+#include "roots.h"
+#include "recovery_ui.h"
+
+#include "../../external/yaffs2/yaffs2/utils/mkyaffs2image.h"
+#include "../../external/yaffs2/yaffs2/utils/unyaffs.h"
+
+#include "extendedcommands.h"
+#include "nandroid.h"
+#include "mounts.h"
+#include "flashutils/flashutils.h"
+#include "edify/expr.h"
+#include "mtdutils/mtdutils.h"
+#include "mmcutils/mmcutils.h"
+//#include "edify/parser.h"
+
+Value* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) {
+    char** args = ReadVarArgs(state, argc, argv);
+    if (args == NULL) {
+        return NULL;
+    }
+
+    int size = 0;
+    int i;
+    for (i = 0; i < argc; ++i) {
+        size += strlen(args[i]);
+    }
+    char* buffer = malloc(size+1);
+    size = 0;
+    for (i = 0; i < argc; ++i) {
+        strcpy(buffer+size, args[i]);
+        size += strlen(args[i]);
+        free(args[i]);
+    }
+    free(args);
+    buffer[size] = '\0';
+
+    char* line = strtok(buffer, "\n");
+    while (line) {
+        ui_print("%s\n", line);
+        line = strtok(NULL, "\n");
+    }
+
+    return StringValue(buffer);
+}
+
+Value* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) {
+    if (argc < 1) {
+        return ErrorAbort(state, "%s() expects at least 1 arg", name);
+    }
+    char** args = ReadVarArgs(state, argc, argv);
+    if (args == NULL) {
+        return NULL;
+    }
+
+    char** args2 = malloc(sizeof(char*) * (argc+1));
+    memcpy(args2, args, sizeof(char*) * argc);
+    args2[argc] = NULL;
+
+    fprintf(stderr, "about to run program [%s] with %d args\n", args2[0], argc);
+
+    pid_t child = fork();
+    if (child == 0) {
+        execv(args2[0], args2);
+        fprintf(stderr, "run_program: execv failed: %s\n", strerror(errno));
+        _exit(1);
+    }
+    int status;
+    waitpid(child, &status, 0);
+    if (WIFEXITED(status)) {
+        if (WEXITSTATUS(status) != 0) {
+            fprintf(stderr, "run_program: child exited with status %d\n",
+                    WEXITSTATUS(status));
+        }
+    } else if (WIFSIGNALED(status)) {
+        fprintf(stderr, "run_program: child terminated by signal %d\n",
+                WTERMSIG(status));
+    }
+
+    int i;
+    for (i = 0; i < argc; ++i) {
+        free(args[i]);
+    }
+    free(args);
+    free(args2);
+
+    char buffer[20];
+    sprintf(buffer, "%d", status);
+
+    return StringValue(strdup(buffer));
+}
+
+Value* FormatFn(const char* name, State* state, int argc, Expr* argv[]) {
+    char* result = NULL;
+    if (argc != 1) {
+        return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
+    }
+    
+    char *path;
+    if (ReadArgs(state, argv, 1, &path) < 0) {
+        return NULL;
+    }
+    
+    ui_print("Formatting %s...\n", path);
+    if (0 != format_volume(path)) {
+        free(path);
+        return StringValue(strdup(""));
+    }
+
+done:
+    return StringValue(strdup(path));
+}
+
+Value* BackupFn(const char* name, State* state, int argc, Expr* argv[]) {
+    char* result = NULL;
+    if (argc != 1) {
+        return ErrorAbort(state, "%s() expects 1 args, got %d", name, argc);
+    }
+    char* path;
+    if (ReadArgs(state, argv, 1, &path) < 0) {
+        return NULL;
+    }
+    
+    if (0 != nandroid_backup(path))
+        return StringValue(strdup(""));
+    
+    return StringValue(strdup(path));
+}
+
+Value* RestoreFn(const char* name, State* state, int argc, Expr* argv[]) {
+    if (argc < 1) {
+        return ErrorAbort(state, "%s() expects at least 1 arg", name);
+    }
+    char** args = ReadVarArgs(state, argc, argv);
+    if (args == NULL) {
+        return NULL;
+    }
+
+    char** args2 = malloc(sizeof(char*) * (argc+1));
+    memcpy(args2, args, sizeof(char*) * argc);
+    args2[argc] = NULL;
+    
+    char* path = strdup(args2[0]);
+    int restoreboot = 1;
+    int restoresystem = 1;
+    int restoredata = 1;
+    int restorecache = 1;
+    int restoresdext = 1;
+    int i;
+    for (i = 1; i < argc; i++)
+    {
+        if (args2[i] == NULL)
+            continue;
+        if (strcmp(args2[i], "noboot") == 0)
+            restoreboot = 0;
+        else if (strcmp(args2[i], "nosystem") == 0)
+            restoresystem = 0;
+        else if (strcmp(args2[i], "nodata") == 0)
+            restoredata = 0;
+        else if (strcmp(args2[i], "nocache") == 0)
+            restorecache = 0;
+        else if (strcmp(args2[i], "nosd-ext") == 0)
+            restoresdext = 0;
+    }
+    
+    for (i = 0; i < argc; ++i) {
+        free(args[i]);
+    }
+    free(args);
+    free(args2);
+
+    if (0 != nandroid_restore(path, restoreboot, restoresystem, restoredata, restorecache, restoresdext, 0)) {
+        free(path);
+        return StringValue(strdup(""));
+    }
+    
+    return StringValue(path);
+}
+
+Value* InstallZipFn(const char* name, State* state, int argc, Expr* argv[]) {
+    char* result = NULL;
+    if (argc != 1) {
+        return ErrorAbort(state, "%s() expects 1 args, got %d", name, argc);
+    }
+    char* path;
+    if (ReadArgs(state, argv, 1, &path) < 0) {
+        return NULL;
+    }
+    
+    if (0 != install_zip(path))
+        return StringValue(strdup(""));
+    
+    return StringValue(strdup(path));
+}
+
+void RegisterRecoveryHooks() {
+    RegisterFunction("format", FormatFn);
+    RegisterFunction("ui_print", UIPrintFn);
+    RegisterFunction("run_program", RunProgramFn);
+    RegisterFunction("backup_rom", BackupFn);
+    RegisterFunction("restore_rom", RestoreFn);
+    RegisterFunction("install_zip", InstallZipFn);
+}
+
+static int hasInitializedEdify = 0;
+int run_script_from_buffer(char* script_data, int script_len, char* filename)
+{
+    if (!hasInitializedEdify) {
+        RegisterBuiltins();
+        RegisterRecoveryHooks();
+        FinishRegistration();
+        hasInitializedEdify = 1;
+    }
+
+    Expr* root;
+    int error_count = 0;
+    yy_scan_bytes(script_data, script_len);
+    int error = yyparse(&root, &error_count);
+    printf("parse returned %d; %d errors encountered\n", error, error_count);
+    if (error == 0 || error_count > 0) {
+        //ExprDump(0, root, buffer);
+
+        State state;
+        state.cookie = NULL;
+        state.script = script_data;
+        state.errmsg = NULL;
+
+        char* result = Evaluate(&state, root);
+        if (result == NULL) {
+            printf("result was NULL, message is: %s\n",
+                   (state.errmsg == NULL ? "(NULL)" : state.errmsg));
+            free(state.errmsg);
+            return -1;
+        } else {
+            printf("result is [%s]\n", result);
+        }
+    }
+    return 0;
+}