Do a better job of writing out the BATCH.sh file (i.e. quote special

[rsync/rsync.git] / batch.c

/* -*- c-file-style: "linux" -*-

   Weiss 1/1999
   Batch utilities for rsync.

*/

#include "rsync.h"
#include <time.h>

extern char *batch_name;
extern int delete_mode;
extern int delete_excluded;

static void write_arg(int fd, char *arg)
{
	char *x, *s;

	if (*arg == '-' && (x = strchr(arg, '=')) != NULL) {
		write(fd, arg, x - arg + 1);
		arg += x - arg + 1;
	}

	if (strpbrk(arg, " \"'&;|[]()$#!*?^\\") != NULL) {
		write(fd, "'", 1);
		for (s = arg; (x = strchr(s, '\'')) != NULL; s = x + 1) {
			write(fd, s, x - s + 1);
			write(fd, "'", 1);
		}
		write(fd, s, strlen(s));
		write(fd, "'", 1);
		return;
	}

	write(fd, arg, strlen(arg));
}

/* This routine tries to write out an equivalent --read-batch command
 * given the user's --write-batch args.  However, it doesn't really
 * understand most of the options, so it uses some overly simple
 * heuristics to munge the command line into something that will
 * (hopefully) work. */
void write_batch_shell_file(int argc, char *argv[], int file_arg_cnt)
{
	int fd, i;
	char *p, filename[MAXPATHLEN];
	int need_excludes = delete_mode && !delete_excluded;

	stringjoin(filename, sizeof filename,
		   batch_name, ".sh", NULL);
	fd = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,
		     S_IRUSR | S_IWUSR | S_IEXEC);
	if (fd < 0) {
		rsyserr(FERROR, errno, "Batch file %s open error", filename);
		exit_cleanup(1);
	}

	/* Write argvs info to BATCH.sh file */
	write_arg(fd, argv[0]);
	for (i = 1; i < argc - file_arg_cnt; i++) {
		p = argv[i];
		if (strncmp(p, "--files-from", 12) == 0
		    || (!need_excludes && (strncmp(p, "--include", 9) == 0
					|| strncmp(p, "--exclude", 9) == 0))) {
			if (strchr(p, '=') == NULL)
				i++;
			continue;
		}
		write(fd, " ", 1);
		if (strncmp(p, "--write-batch", 13) == 0) {
			write(fd, "--read-batch", 12);
			if (p[13] == '=') {
				write(fd, "=", 1);
				write_arg(fd, p + 14);
			}
		} else
			write_arg(fd, p);
	}
	if ((p = find_colon(argv[argc - 1])) != NULL) {
		if (*++p == ':')
			p++;
	} else
		p = argv[argc - 1];
	write(fd, " ${1:-", 6);
	write_arg(fd, p);
	if (write(fd, "}\n", 2) != 2 || close(fd) < 0) {
		rsyserr(FERROR, errno, "Batch file %s write error", filename);
		exit_cleanup(1);
	}
}

void show_flist(int index, struct file_struct **fptr)
{
	/*  for debugging    show_flist(flist->count, flist->files * */

	int i;
	for (i = 0; i < index; i++) {
		rprintf(FINFO, "flist->flags=%#x\n", fptr[i]->flags);
		rprintf(FINFO, "flist->modtime=%#lx\n",
			(long unsigned) fptr[i]->modtime);
		rprintf(FINFO, "flist->length=%.0f\n",
			(double) fptr[i]->length);
		rprintf(FINFO, "flist->mode=%#o\n", (int) fptr[i]->mode);
		rprintf(FINFO, "flist->basename=%s\n", fptr[i]->basename);
		if (fptr[i]->dirname)
			rprintf(FINFO, "flist->dirname=%s\n",
				fptr[i]->dirname);
		if (fptr[i]->basedir)
			rprintf(FINFO, "flist->basedir=%s\n",
				fptr[i]->basedir);
	}
}

void show_argvs(int argc, char *argv[])
{
	/*  for debugging  * */

	int i;
	rprintf(FINFO, "BATCH.C:show_argvs,argc=%d\n", argc);
	for (i = 0; i < argc; i++) {
		/*    if (argv[i])   */
		rprintf(FINFO, "i=%d,argv[i]=%s\n", i, argv[i]);

	}
}