X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/9b3318b0df79ce6e9490c744ef7ae0707bd91599..0f78b81511be65d8fe21af1e6ac674f9e80ac29d:/batch.c

diff --git a/batch.c b/batch.c
index 5373a484..d405f112 100644
--- a/batch.c
+++ b/batch.c
@@ -1,90 +1,231 @@
-/* -*- c-file-style: "linux" -*-
-
-   Weiss 1/1999
-   Batch utilities for rsync.
-
-*/
+/*
+ * Support for the batch-file options.
+ *
+ * Copyright (C) 1999 Weiss
+ * Copyright (C) 2004 Chris Shoemaker
+ * Copyright (C) 2004, 2005, 2006 Wayne Davison
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
 
 #include "rsync.h"
+#include "zlib/zlib.h"
 #include <time.h>
 
+extern int eol_nulls;
+extern int recurse;
+extern int xfer_dirs;
+extern int preserve_links;
+extern int preserve_hard_links;
+extern int preserve_devices;
+extern int preserve_uid;
+extern int preserve_gid;
+extern int always_checksum;
+extern int do_compression;
+extern int def_compress_level;
+extern int protocol_version;
 extern char *batch_name;
 
-void write_batch_argvs_file(int argc, char *argv[])
+extern struct filter_list_struct filter_list;
+
+static int tweaked_compress_level;
+
+static int *flag_ptr[] = {
+	&recurse,		/* 0 */
+	&preserve_uid,		/* 1 */
+	&preserve_gid,		/* 2 */
+	&preserve_links,	/* 3 */
+	&preserve_devices,	/* 4 */
+	&preserve_hard_links,	/* 5 */
+	&always_checksum,	/* 6 */
+	&xfer_dirs,		/* 7 (protocol 29) */
+	&tweaked_compress_level,/* 8 (protocol 29) */
+	NULL
+};
+
+static char *flag_name[] = {
+	"--recurse (-r)",
+	"--owner (-o)",
+	"--group (-g)",
+	"--links (-l)",
+	"--devices (-D)",
+	"--hard-links (-H)",
+	"--checksum (-c)",
+	"--dirs (-d)",
+	"--compress (-z)",
+	NULL
+};
+
+void write_stream_flags(int fd)
 {
-	int fd, i;
-	char filename[MAXPATHLEN];
+	int i, flags;
 
-	stringjoin(filename, sizeof filename,
-		   batch_name, ".rsync_argvs", 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);
+#if Z_DEFAULT_COMPRESSION == -1
+	tweaked_compress_level = do_compression ? def_compress_level + 2 : 0;
+#else
+#error internal logic error!  Fix def_compress_level logic above and below too!
+#endif
+
+	/* Start the batch file with a bitmap of data-stream-affecting
+	 * flags. */
+	if (protocol_version < 29)
+		flag_ptr[7] = NULL;
+	for (i = 0, flags = 0; flag_ptr[i]; i++) {
+		if (*flag_ptr[i])
+			flags |= 1 << i;
 	}
+	write_int(fd, flags);
+}
 
-	/* Write argvs info to BATCH.rsync_argvs file */
-	for (i = 0; i < argc; i++) {
-		if (i == argc - 2) /* Skip source directory on cmdline */
-			continue;
-		if (strncmp(argv[i], "--files-from=", 13) == 0)
-			continue;
-		if (i != 0)
-			write(fd, " ", 1);
-		if (strncmp(argv[i], "--write-batch=", 14) == 0) {
-			write(fd, "--read-batch=", 13);
-			write(fd, batch_name, strlen(batch_name));
-		} else if (i == argc - 1) {
-			char *p = find_colon(argv[i]);
-			if (p) {
-				if (*++p == ':')
-					p++;
-			} else
-				p = argv[i];
-			write(fd, "${1:-", 5);
-			write(fd, p, strlen(p));
-			write(fd, "}", 1);
-		} else
-			write(fd, argv[i], strlen(argv[i]));
+void read_stream_flags(int fd)
+{
+	int i, flags;
+
+	if (protocol_version < 29)
+		flag_ptr[7] = NULL;
+	for (i = 0, flags = read_int(fd); flag_ptr[i]; i++) {
+		int set = flags & (1 << i) ? 1 : 0;
+		if (*flag_ptr[i] != set) {
+			if (verbose) {
+				rprintf(FINFO,
+					"%sing the %s option to match the batchfile.\n",
+					set ? "Sett" : "Clear", flag_name[i]);
+			}
+			*flag_ptr[i] = set;
+		}
 	}
-	if (write(fd, "\n", 1) != 1 || close(fd) < 0) {
-		rsyserr(FERROR, errno, "Batch file %s write error", filename);
-		exit_cleanup(1);
+	if (protocol_version < 29) {
+		if (recurse)
+			xfer_dirs |= 1;
+		else if (xfer_dirs < 2)
+			xfer_dirs = 0;
+	}
+
+	if (tweaked_compress_level == 0 || tweaked_compress_level == 2)
+		do_compression = 0;
+	else {
+		do_compression = 1;
+		def_compress_level = tweaked_compress_level - 2;
 	}
 }
 
-void show_flist(int index, struct file_struct **fptr)
+static void write_arg(int fd, char *arg)
 {
-	/*  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);
+	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));
 }
 
-void show_argvs(int argc, char *argv[])
+static void write_filter_rules(int fd)
 {
-	/*  for debugging  * */
+	struct filter_struct *ent;
 
-	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]);
+	write_sbuf(fd, " <<'#E#'\n");
+	for (ent = filter_list.head; ent; ent = ent->next) {
+		unsigned int plen;
+		char *p = get_rule_prefix(ent->match_flags, "- ", 0, &plen);
+		write_buf(fd, p, plen);
+		write_sbuf(fd, ent->pattern);
+		if (ent->match_flags & MATCHFLG_DIRECTORY)
+			write_byte(fd, '/');
+		write_byte(fd, eol_nulls ? 0 : '\n');
+	}
+	if (eol_nulls)
+		write_sbuf(fd, ";\n");
+	write_sbuf(fd, "#E#");
+}
+
+/* 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, len;
+	char *p, filename[MAXPATHLEN];
+
+	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]);
+	if (filter_list.head) {
+		if (protocol_version >= 29)
+			write_sbuf(fd, " --filter=._-");
+		else
+			write_sbuf(fd, " --exclude-from=-");
+	}
+	for (i = 1; i < argc - file_arg_cnt; i++) {
+		p = argv[i];
+		if (strncmp(p, "--files-from", 12) == 0
+		    || strncmp(p, "--filter", 8) == 0
+		    || strncmp(p, "--include", 9) == 0
+		    || strncmp(p, "--exclude", 9) == 0) {
+			if (strchr(p, '=') == NULL)
+				i++;
+			continue;
+		}
+		if (strcmp(p, "-f") == 0) {
+			i++;
+			continue;
+		}
+		write(fd, " ", 1);
+		if (strncmp(p, "--write-batch", len = 13) == 0
+		 || strncmp(p, "--only-write-batch", len = 18) == 0) {
+			write(fd, "--read-batch", 12);
+			if (p[len] == '=') {
+				write(fd, "=", 1);
+				write_arg(fd, p + len + 1);
+			}
+		} else
+			write_arg(fd, p);
+	}
+	if (!(p = check_for_hostspec(argv[argc - 1], &p, &i)))
+		p = argv[argc - 1];
+	write(fd, " ${1:-", 6);
+	write_arg(fd, p);
+	write_byte(fd, '}');
+	if (filter_list.head)
+		write_filter_rules(fd);
+	if (write(fd, "\n", 1) != 1 || close(fd) < 0) {
+		rsyserr(FERROR, errno, "Batch file %s write error",
+			filename);
+		exit_cleanup(1);
 	}
 }