Updated.

[rsync/rsync-patches.git] / atimes.diff

After applying this patch and running configure, you MUST run this
command before "make":

    make proto


--- orig/batch.c	2004-07-15 16:51:50
+++ batch.c	2004-07-03 20:15:41
@@ -63,6 +63,8 @@ void show_flist(int index, struct file_s
 		rprintf(FINFO, "flist->flags=%#x\n", fptr[i]->flags);
 		rprintf(FINFO, "flist->modtime=%#lx\n",
 			(long unsigned) fptr[i]->modtime);
+		rprintf(FINFO, "flist->atime=%#lx\n",
+			(long unsigned) fptr[i]->atime);
 		rprintf(FINFO, "flist->length=%.0f\n",
 			(double) fptr[i]->length);
 		rprintf(FINFO, "flist->mode=%#o\n", (int) fptr[i]->mode);
--- orig/flist.c	2004-07-15 02:21:10
+++ flist.c	2004-07-03 20:15:41
@@ -58,6 +58,7 @@ extern int relative_paths;
 extern int implied_dirs;
 extern int copy_links;
 extern int copy_unsafe_links;
+extern int copy_atimes;
 extern int protocol_version;
 extern int sanitize_paths;
 extern int delete_excluded;
@@ -141,17 +142,17 @@ static void list_file_entry(struct file_
 
 #if SUPPORT_LINKS
 	if (preserve_links && S_ISLNK(f->mode)) {
-		rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
+		rprintf(FINFO, "%s %11.0f %s %s %s -> %s\n",
 			perms,
 			(double)f->length, timestring(f->modtime),
-			f_name(f), f->u.link);
+			timestring(f->atime), f_name(f), f->u.link);
 	} else
 #endif
 	{
-		rprintf(FINFO, "%s %11.0f %s %s\n",
+		rprintf(FINFO, "%s %11.0f %s %s %s\n",
 			perms,
 			(double)f->length, timestring(f->modtime),
-			f_name(f));
+			timestring(f->atime), f_name(f));
 	}
 }
 
@@ -332,6 +333,7 @@ void send_file_entry(struct file_struct 
 {
 	unsigned short flags;
 	static time_t modtime;
+	static time_t atime;
 	static mode_t mode;
 	static uint64 dev;
 	static dev_t rdev;
@@ -347,7 +349,7 @@ void send_file_entry(struct file_struct 
 
 	if (!file) {
 		write_byte(f, 0);
-		modtime = 0, mode = 0;
+		modtime = 0, atime = 0, mode = 0;
 		dev = 0, rdev = makedev(0, 0);
 		rdev_major = 0;
 		uid = 0, gid = 0;
@@ -396,6 +398,12 @@ void send_file_entry(struct file_struct 
 		flags |= XMIT_SAME_TIME;
 	else
 		modtime = file->modtime;
+	if (copy_atimes && !S_ISDIR(mode)) {
+		if (file->atime == atime)
+			flags |= XMIT_SAME_ATIME;
+		else
+			atime = file->atime;
+	}
 
 #if SUPPORT_HARD_LINKS
 	if (file->link_u.idev) {
@@ -451,6 +459,8 @@ void send_file_entry(struct file_struct 
 		write_int(f, modtime);
 	if (!(flags & XMIT_SAME_MODE))
 		write_int(f, to_wire_mode(mode));
+	if (copy_atimes && !S_ISDIR(mode) && !(flags & XMIT_SAME_ATIME))
+		write_int(f, atime);
 	if (preserve_uid && !(flags & XMIT_SAME_UID)) {
 		if (!numeric_ids)
 			add_uid(uid);
@@ -524,6 +534,7 @@ void receive_file_entry(struct file_stru
 			struct file_list *flist, int f)
 {
 	static time_t modtime;
+	static time_t atime;
 	static mode_t mode;
 	static uint64 dev;
 	static dev_t rdev;
@@ -540,7 +551,7 @@ void receive_file_entry(struct file_stru
 	struct file_struct *file;
 
 	if (!fptr) {
-		modtime = 0, mode = 0;
+		modtime = 0, atime = 0, mode = 0;
 		dev = 0, rdev = makedev(0, 0);
 		rdev_major = 0;
 		uid = 0, gid = 0;
@@ -595,6 +606,8 @@ void receive_file_entry(struct file_stru
 		modtime = (time_t)read_int(f);
 	if (!(flags & XMIT_SAME_MODE))
 		mode = from_wire_mode(read_int(f));
+	if (copy_atimes && !S_ISDIR(mode) && !(flags & XMIT_SAME_ATIME))
+		atime = (time_t)read_int(f);
 
 	if (preserve_uid && !(flags & XMIT_SAME_UID))
 		uid = (uid_t)read_int(f);
@@ -645,6 +658,7 @@ void receive_file_entry(struct file_stru
 
 	file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0;
 	file->modtime = modtime;
+	file->atime = atime;
 	file->length = file_length;
 	file->mode = mode;
 	file->uid = uid;
@@ -864,6 +878,7 @@ skip_excludes:
 
 	file->flags = flags;
 	file->modtime = st.st_mtime;
+	file->atime = st.st_atime;
 	file->length = st.st_size;
 	file->mode = st.st_mode;
 	file->uid = st.st_uid;
--- orig/generator.c	2004-07-16 19:35:29
+++ generator.c	2004-07-03 20:15:41
@@ -99,7 +99,7 @@ static int skip_file(char *fname, struct
 	if (ignore_times)
 		return 0;
 
-	return cmp_modtime(st->st_mtime, file->modtime) == 0;
+	return cmp_time(st->st_mtime, file->modtime) == 0;
 }
 
 
@@ -471,7 +471,7 @@ static void recv_generator(char *fname, 
 	}
 
 	if (update_only && fnamecmp == fname
-	    && cmp_modtime(st.st_mtime, file->modtime) > 0) {
+	    && cmp_time(st.st_mtime, file->modtime) > 0) {
 		if (verbose > 1)
 			rprintf(FINFO,"%s is newer\n",fname);
 		return;
--- orig/options.c	2004-07-16 20:07:22
+++ options.c	2004-07-03 20:15:41
@@ -48,6 +48,7 @@ int preserve_devices = 0;
 int preserve_uid = 0;
 int preserve_gid = 0;
 int preserve_times = 0;
+int copy_atimes = 0;
 int update_only = 0;
 int cvs_exclude = 0;
 int dry_run = 0;
@@ -251,6 +252,7 @@ void usage(enum logcode F)
   rprintf(F," -g, --group                 preserve group\n");
   rprintf(F," -D, --devices               preserve devices (root only)\n");
   rprintf(F," -t, --times                 preserve times\n");
+  rprintf(F," -A, --copy-atimes           copy access times\n");
   rprintf(F," -S, --sparse                handle sparse files efficiently\n");
   rprintf(F," -n, --dry-run               show what would have been transferred\n");
   rprintf(F," -W, --whole-file            copy whole files, no incremental checks\n");
@@ -359,6 +361,7 @@ static struct poptOption long_options[] 
   {"group",           'g', POPT_ARG_NONE,   &preserve_gid, 0, 0, 0 },
   {"devices",         'D', POPT_ARG_NONE,   &preserve_devices, 0, 0, 0 },
   {"times",           't', POPT_ARG_NONE,   &preserve_times, 0, 0, 0 },
+  {"copy-atimes",     'A', POPT_ARG_NONE,   &copy_atimes, 0, 0, 0 },
   {"checksum",        'c', POPT_ARG_NONE,   &always_checksum, 0, 0, 0 },
   {"verbose",         'v', POPT_ARG_NONE,   0,               'v', 0, 0 },
   {"quiet",           'q', POPT_ARG_NONE,   0,               'q', 0, 0 },
@@ -875,6 +878,8 @@ void server_options(char **args,int *arg
 		argstr[x++] = 'D';
 	if (preserve_times)
 		argstr[x++] = 't';
+	if (copy_atimes)
+		argstr[x++] = 'A';
 	if (preserve_perms)
 		argstr[x++] = 'p';
 	if (recurse)
--- orig/rsync.c	2004-07-16 20:07:23
+++ rsync.c	2004-07-03 20:15:41
@@ -25,6 +25,7 @@
 extern int verbose;
 extern int dry_run;
 extern int preserve_times;
+extern int copy_atimes;
 extern int am_root;
 extern int am_sender;
 extern int am_generator;
@@ -144,17 +145,31 @@ int set_perms(char *fname,struct file_st
 	if (!preserve_times || S_ISLNK(st->st_mode)
 	    || (make_backups && !backup_dir && S_ISDIR(st->st_mode)))
 		flags |= PERMS_SKIP_MTIME;
-	if (!(flags & PERMS_SKIP_MTIME)
-	    && cmp_modtime(st->st_mtime, file->modtime) != 0) {
+	if (!copy_atimes || S_ISLNK(st->st_mode) || S_ISDIR(st->st_mode))
+		flags |= PERMS_SKIP_ATIME;
+	if (!(flags & (PERMS_SKIP_MTIME|PERMS_SKIP_ATIME))) {
+		time_t atime, mtime;
+
+		if (!(flags & PERMS_SKIP_ATIME)
+		    && cmp_time(st->st_atime, file->atime) != 0) {
+			atime = file->atime;
+			updated = 1;
+		} else
+			atime = st->st_atime;
+		if (!(flags & PERMS_SKIP_MTIME)
+		    && cmp_time(st->st_mtime, file->modtime) != 0) {
+			mtime = file->modtime;
+			updated = 1;
+		} else
+			mtime = st->st_mtime;
 		/* don't complain about not setting times on directories
 		 * because some filesystems can't do it */
-		if (set_modtime(fname,file->modtime) != 0 &&
+		if (updated && set_times(fname, mtime, atime) != 0 &&
 		    !S_ISDIR(st->st_mode)) {
 			rsyserr(FERROR, errno, "failed to set times on %s",
 				full_fname(fname));
 			return 0;
 		}
-		updated = 1;
 	}
 
 	change_uid = am_root && preserve_uid && st->st_uid != file->uid;
--- orig/rsync.h	2004-07-16 20:07:23
+++ rsync.h	2004-07-03 20:15:41
@@ -54,6 +54,7 @@
 #define XMIT_HAS_IDEV_DATA (1<<9)
 #define XMIT_SAME_DEV (1<<10)
 #define XMIT_RDEV_MINOR_IS_SMALL (1<<11)
+#define XMIT_SAME_ATIME (1<<12)
 
 /* These flags are used in the live flist data. */
 
@@ -111,6 +112,7 @@
 
 #define PERMS_REPORT		(1<<0)
 #define PERMS_SKIP_MTIME	(1<<1)
+#define PERMS_SKIP_ATIME	(1<<2)
 
 #define FULL_FLUSH	1
 #define NORMAL_FLUSH	0
@@ -422,6 +424,7 @@ struct file_struct {
 		struct hlink *links;
 	} link_u;
 	time_t modtime;
+	time_t atime;
 	uid_t uid;
 	gid_t gid;
 	mode_t mode;
--- orig/rsync.yo	2004-07-16 20:07:23
+++ rsync.yo	2004-07-03 20:15:41
@@ -301,6 +301,7 @@ verb(
  -g, --group                 preserve group
  -D, --devices               preserve devices (root only)
  -t, --times                 preserve times
+ -A, --copy-atimes           copy access times
  -S, --sparse                handle sparse files efficiently
  -n, --dry-run               show what would have been transferred
  -W, --whole-file            copy whole files, no incremental checks
@@ -564,6 +565,11 @@ cause the next transfer to behave as if 
 their checksums compared and show up in log messages even if they haven't
 changed.
 
+dit(bf(-A, --copy-atimes)) This tells rsync to transfer access times
+along with the files and update them on the remote system.  Note that
+reading the source file may update the atime and hence repeated rsync
+copies with --copy-atimes may copy files unnecessarily.
+
 dit(bf(-n, --dry-run)) This tells rsync to not do any file transfers,
 instead it will just report the actions it would have taken.
 
--- orig/testsuite/copy-atimes.test	2004-06-30 00:06:23
+++ testsuite/copy-atimes.test	2004-06-30 00:06:23
@@ -0,0 +1,19 @@
+#! /bin/sh
+
+# Test rsync copying atimes
+
+. "$suitedir/rsync.fns"
+
+set -x
+
+mkdir "$fromdir"
+
+touch "$fromdir/foo"
+touch -a -t 200102031717.42 "$fromdir/foo"
+
+TLS_ARGS=--atime
+
+checkit "$RSYNC -rtAgvvv \"$fromdir/\" \"$todir/\"" "$fromdir" "$todir"
+
+# The script would have aborted on error, so getting here means we've won.
+exit 0
--- orig/testsuite/rsync.fns	2004-06-28 21:08:14
+++ testsuite/rsync.fns	2004-07-03 20:15:41
@@ -50,7 +50,7 @@ printmsg() {
 
 
 rsync_ls_lR() {
-    find "$@" -print | sort | xargs "$TOOLDIR/tls"
+    find "$@" -print | sort | xargs "$TOOLDIR/tls" $TLS_ARGS
 }
 
 rsync_getgroups() { 
@@ -150,6 +150,8 @@ checkit() {
     # We can just write everything to stdout/stderr, because the
     # wrapper hides it unless there is a problem.
 
+    ( cd "$2" && rsync_ls_lR . ) > "$tmpdir/ls-from"
+
     echo "Running: \"$1\""  
     eval "$1" 
     status=$?
@@ -158,6 +160,12 @@ checkit() {
     fi
 
     echo "-------------"
+    echo "check how the directory listings compare with diff:"
+    echo ""
+    ( cd "$3" && rsync_ls_lR . ) > "$tmpdir/ls-to"
+    diff $diffopt "$tmpdir/ls-from" "$tmpdir/ls-to" || failed=YES
+
+    echo "-------------"
     echo "check how the files compare with diff:"
     echo ""
     for f in `cd "$2"; find . -type f -print `
@@ -165,12 +173,6 @@ checkit() {
         diff $diffopt "$2"/"$f" "$3"/"$f" || failed=YES
     done
 
-    echo "-------------"
-    echo "check how the directory listings compare with diff:"
-    echo ""
-    ( cd "$2" && rsync_ls_lR . ) > "$tmpdir/ls-from"
-    ( cd "$3" && rsync_ls_lR . ) > "$tmpdir/ls-to"
-    diff $diffopt "$tmpdir/ls-from" "$tmpdir/ls-to" || failed=YES
     if [ -z "$failed" ] ; then
 	return 0
     else
--- orig/tls.c	2004-05-15 20:10:13
+++ tls.c	2004-07-03 20:15:41
@@ -39,6 +39,7 @@
 
 
 #include "rsync.h"
+#include "popt.h"
 
 #define PROGRAM "tls"
 
@@ -48,6 +49,7 @@ int read_only = 1;
 int list_only = 0;
 int preserve_perms = 0;
 
+static int display_atime = 0;
 
 static void failed(char const *what, char const *where)
 {
@@ -56,14 +58,29 @@ static void failed(char const *what, cha
 	exit(1);
 }
 
+static void storetime(char *dest, time_t t)
+{
+	if (t) {
+		struct tm *mt = gmtime(&t);
 
+		sprintf(dest, "%04d-%02d-%02d %02d:%02d:%02d ",
+			mt->tm_year + 1900,
+			mt->tm_mon + 1,
+			mt->tm_mday,
+			mt->tm_hour,
+			mt->tm_min,
+			mt->tm_sec);
+	} else {
+		strcpy(dest, "                    ");
+	}
+}	
 
 static void list_file(const char *fname)
 {
 	STRUCT_STAT buf;
 	char permbuf[PERMSTRING_SIZE];
-	struct tm *mt;
-	char datebuf[50];
+	char mtimebuf[50];
+	char atimebuf[50];
 	char linkbuf[4096];
 
 	if (do_lstat(fname, &buf) == -1)
@@ -96,19 +113,8 @@ static void list_file(const char *fname)
 
 	permstring(permbuf, buf.st_mode);
 
-	if (buf.st_mtime) {
-		mt = gmtime(&buf.st_mtime);
-
-		sprintf(datebuf, "%04d-%02d-%02d %02d:%02d:%02d",
-			mt->tm_year + 1900,
-			mt->tm_mon + 1,
-			mt->tm_mday,
-			mt->tm_hour,
-			mt->tm_min,
-			mt->tm_sec);
-	} else {
-		strcpy(datebuf, "                   ");
-	}
+	storetime(mtimebuf, buf.st_mtime);
+	storetime(atimebuf, buf.st_atime);
 
 	/* TODO: Perhaps escape special characters in fname? */
 
@@ -119,24 +125,55 @@ static void list_file(const char *fname)
 		    (long)minor(buf.st_rdev));
 	} else /* NB: use double for size since it might not fit in a long. */
 		printf("%12.0f", (double)buf.st_size);
-	printf(" %6ld.%-6ld %6ld %s %s%s\n",
+	printf(" %6ld.%-6ld %6ld %s%s%s%s\n",
 	       (long)buf.st_uid, (long)buf.st_gid, (long)buf.st_nlink,
-	       datebuf, fname, linkbuf);
+ 	       mtimebuf, display_atime ? atimebuf : "",
+	       fname, linkbuf);
 }
 
+static struct poptOption long_options[] = {
+  /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+  {"atime",           'u', POPT_ARG_NONE,   &display_atime, 0,   0, 0},
+  {"help",            'h', POPT_ARG_NONE,   0,              'h', 0, 0},
+  {0,0,0,0,0,0,0}
+};
+
+static void tls_usage(int ret)
+{
+	fprintf(stderr, "usage: " PROGRAM " [--atime | -u] DIR ...\n"
+	    "Trivial file listing program for portably checking rsync\n");
+	exit(ret);
+}
 
 int
 main(int argc, char *argv[])
 {
-	if (argc < 2) {
-		fprintf(stderr, "usage: " PROGRAM " DIR ...\n"
-			"Trivial file listing program for portably checking rsync\n");
-		return 1;
+	poptContext pc;
+	const char **extra_args;
+	int opt;
+
+	pc = poptGetContext(PROGRAM, argc, (const char **)argv,
+			    long_options, 0);
+	while ((opt = poptGetNextOpt(pc)) != -1) {
+		switch (opt) {
+		case 'h':
+			tls_usage(0);
+		default:
+			fprintf(stderr,
+			        "%s: %s\n",
+				poptBadOption(pc, POPT_BADOPTION_NOALIAS),
+				poptStrerror(opt));
+			tls_usage(1);
+		}
 	}
 
-	for (argv++; *argv; argv++) {
-		list_file(*argv);
-	}
+	extra_args = poptGetArgs(pc);
+	if (*extra_args == NULL)
+		tls_usage(1);
+
+	for (; *extra_args; extra_args++)
+		list_file(*extra_args);
+	poptFreeContext(pc);
 
 	return 0;
 }
--- orig/util.c	2004-06-09 21:54:47
+++ util.c	2004-07-03 20:15:41
@@ -127,31 +127,39 @@ void overflow(char *str)
 
 
 
-int set_modtime(char *fname, time_t modtime)
+int set_times(char *fname, time_t modtime, time_t atime)
 {
 	if (dry_run)
 		return 0;
 
 	if (verbose > 2) {
-		rprintf(FINFO, "set modtime of %s to (%ld) %s",
+		char mtimebuf[200];
+		char atimebuf[200];
+
+		strlcpy(mtimebuf, timestring(modtime), sizeof mtimebuf);
+		strlcpy(atimebuf, timestring(atime), sizeof atimebuf);
+
+		rprintf(FINFO,
+			"set modtime, atime of %s to (%ld) %s, (%ld) %s\n",
 			fname, (long)modtime,
-			asctime(localtime(&modtime)));
+			mtimebuf,
+			(long)atime, atimebuf);
 	}
 
 	{
 #ifdef HAVE_UTIMBUF
 		struct utimbuf tbuf;
-		tbuf.actime = time(NULL);
+		tbuf.actime = atime;
 		tbuf.modtime = modtime;
 		return utime(fname,&tbuf);
 #elif defined(HAVE_UTIME)
 		time_t t[2];
-		t[0] = time(NULL);
+		t[0] = atime;
 		t[1] = modtime;
 		return utime(fname,t);
 #else
 		struct timeval t[2];
-		t[0].tv_sec = time(NULL);
+		t[0].tv_sec = atime;
 		t[0].tv_usec = 0;
 		t[1].tv_sec = modtime;
 		t[1].tv_usec = 0;
@@ -1078,8 +1086,8 @@ int msleep(int t)
 
 
 /**
- * Determine if two file modification times are equivalent (either
- * exact or in the modification timestamp window established by
+ * Determine if two file  times are equivalent (either
+ * exact or in the timestamp window established by
  * --modify-window).
  *
  * @retval 0 if the times should be treated as the same
@@ -1088,7 +1096,7 @@ int msleep(int t)
  *
  * @retval -1 if the 2nd is later
  **/
-int cmp_modtime(time_t file1, time_t file2)
+int cmp_time(time_t file1, time_t file2)
 {
 	if (file2 > file1) {
 		if (file2 - file1 <= modify_window)