X-Git-Url: https://mattmccutchen.net/rsync/rsync-patches.git/blobdiff_plain/43581f169a998d7f09d6824a0b5b358dc558e798..982426b8a364eae49577cb0906e84f0ff83499dc:/atimes.diff diff --git a/atimes.diff b/atimes.diff index 0f3ab28..db78a51 100644 --- a/atimes.diff +++ b/atimes.diff @@ -1,17 +1,12 @@ ---- backup.c 13 Mar 2004 20:18:03 -0000 1.28 -+++ backup.c 20 Apr 2004 23:44:16 -0000 -@@ -101,7 +101,7 @@ static int make_bak_dir(char *fullpath) - "make_bak_dir stat %s failed: %s\n", - full_fname(rel), strerror(errno)); - } else { -- set_modtime(fullpath, st.st_mtime); -+ set_times(fullpath, st.st_mtime, time(NULL)); - do_lchown(fullpath, st.st_uid, st.st_gid); - do_chmod(fullpath, st.st_mode); - } ---- batch.c 6 Mar 2004 07:45:52 -0000 1.31 -+++ batch.c 20 Apr 2004 23:44:16 -0000 -@@ -342,6 +342,8 @@ void show_flist(int index, struct file_s +After applying this patch and running configure, you MUST run this +command before "make": + + make proto + + +--- orig/batch.c 2004-07-24 16:52:09 ++++ batch.c 2004-07-03 20:15:41 +@@ -186,6 +186,8 @@ 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); @@ -20,8 +15,8 @@ rprintf(FINFO, "flist->length=%.0f\n", (double) fptr[i]->length); rprintf(FINFO, "flist->mode=%#o\n", (int) fptr[i]->mode); ---- flist.c 17 Apr 2004 17:14:12 -0000 1.214 -+++ flist.c 20 Apr 2004 23:44:17 -0000 +--- orig/flist.c 2004-07-17 15:20:05 ++++ flist.c 2004-07-03 20:15:41 @@ -58,6 +58,7 @@ extern int relative_paths; extern int implied_dirs; extern int copy_links; @@ -29,29 +24,30 @@ +extern int copy_atimes; extern int protocol_version; extern int sanitize_paths; - -@@ -140,16 +141,16 @@ static void list_file_entry(struct file_ + 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), + (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), + (double)f->length, timestring(f->modtime), - f_name(f)); + timestring(f->atime), f_name(f)); + } } - -@@ -326,6 +327,7 @@ void send_file_entry(struct file_struct +@@ -332,6 +333,7 @@ void send_file_entry(struct file_struct { unsigned short flags; static time_t modtime; @@ -59,7 +55,7 @@ static mode_t mode; static uint64 dev; static dev_t rdev; -@@ -341,7 +343,7 @@ void send_file_entry(struct file_struct +@@ -347,7 +349,7 @@ void send_file_entry(struct file_struct if (!file) { write_byte(f, 0); @@ -68,7 +64,7 @@ dev = 0, rdev = makedev(0, 0); rdev_major = 0; uid = 0, gid = 0; -@@ -390,6 +392,12 @@ void send_file_entry(struct file_struct +@@ -396,6 +398,12 @@ void send_file_entry(struct file_struct flags |= XMIT_SAME_TIME; else modtime = file->modtime; @@ -81,7 +77,7 @@ #if SUPPORT_HARD_LINKS if (file->link_u.idev) { -@@ -445,6 +453,8 @@ void send_file_entry(struct file_struct +@@ -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)); @@ -90,15 +86,15 @@ if (preserve_uid && !(flags & XMIT_SAME_UID)) { if (!numeric_ids) add_uid(uid); -@@ -518,6 +528,7 @@ void receive_file_entry(struct file_stru - struct file_list *flist, int f) +@@ -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; -@@ -534,7 +545,7 @@ void receive_file_entry(struct file_stru +@@ -540,7 +551,7 @@ void receive_file_entry(struct file_stru struct file_struct *file; if (!fptr) { @@ -107,7 +103,7 @@ dev = 0, rdev = makedev(0, 0); rdev_major = 0; uid = 0, gid = 0; -@@ -588,6 +599,8 @@ void receive_file_entry(struct file_stru +@@ -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)); @@ -116,7 +112,7 @@ if (preserve_uid && !(flags & XMIT_SAME_UID)) uid = (uid_t)read_int(f); -@@ -638,6 +651,7 @@ void receive_file_entry(struct file_stru +@@ -645,6 +658,7 @@ void receive_file_entry(struct file_stru file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0; file->modtime = modtime; @@ -124,7 +120,7 @@ file->length = file_length; file->mode = mode; file->uid = uid; -@@ -852,6 +866,7 @@ skip_excludes: +@@ -864,6 +878,7 @@ skip_excludes: file->flags = flags; file->modtime = st.st_mtime; @@ -132,29 +128,29 @@ file->length = st.st_size; file->mode = st.st_mode; file->uid = st.st_uid; ---- generator.c 15 Apr 2004 16:55:23 -0000 1.79 -+++ generator.c 20 Apr 2004 23:44:17 -0000 -@@ -97,7 +97,7 @@ static int skip_file(char *fname, struct +--- orig/generator.c 2004-07-28 10:05:29 ++++ generator.c 2004-07-03 20:15:41 +@@ -98,7 +98,7 @@ 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; +- return cmp_modtime(st->st_mtime, file->modtime) == 0; ++ return cmp_time(st->st_mtime, file->modtime) == 0; } -@@ -464,7 +464,7 @@ void recv_generator(char *fname, struct - return; +@@ -473,7 +473,7 @@ static void recv_generator(char *fname, } -- if (update_only && cmp_modtime(st.st_mtime,file->modtime)>0 && fnamecmp == fname) { -+ if (update_only && cmp_time(st.st_mtime,file->modtime)>0 && fnamecmp == 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); + rprintf(FINFO, "%s is newer\n", safe_fname(fname)); return; ---- options.c 17 Apr 2004 17:07:23 -0000 1.147 -+++ options.c 20 Apr 2004 23:44:17 -0000 -@@ -46,6 +46,7 @@ int preserve_devices = 0; +--- orig/options.c 2004-07-23 17:16:13 ++++ 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; @@ -162,7 +158,7 @@ int update_only = 0; int cvs_exclude = 0; int dry_run = 0; -@@ -241,6 +242,7 @@ void usage(enum logcode F) +@@ -252,6 +253,7 @@ 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"); @@ -170,7 +166,7 @@ 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"); -@@ -346,6 +348,7 @@ static struct poptOption long_options[] +@@ -360,6 +362,7 @@ 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 }, @@ -178,7 +174,7 @@ {"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 }, -@@ -823,6 +826,8 @@ void server_options(char **args,int *arg +@@ -881,6 +884,8 @@ void server_options(char **args,int *arg argstr[x++] = 'D'; if (preserve_times) argstr[x++] = 't'; @@ -187,52 +183,35 @@ if (preserve_perms) argstr[x++] = 'p'; if (recurse) ---- proto.h 14 Apr 2004 23:33:30 -0000 1.188 -+++ proto.h 20 Apr 2004 23:44:17 -0000 -@@ -243,7 +243,7 @@ int fd_pair(int fd[2]); - void print_child_argv(char **cmd); - void out_of_memory(char *str); - void overflow(char *str); --int set_modtime(char *fname, time_t modtime); -+int set_times(char *fname, time_t modtime, time_t atime); - int create_directory_path(char *fname, int base_umask); - int copy_file(char *source, char *dest, mode_t mode); - int robust_unlink(char *fname); -@@ -267,7 +267,7 @@ int u_strcmp(const char *cs1, const char - int unsafe_symlink(const char *dest, const char *src); - char *timestring(time_t t); - int msleep(int t); --int cmp_modtime(time_t file1, time_t file2); -+int cmp_time(time_t file1, time_t file2); - int _Insure_trap_error(int a1, int a2, int a3, int a4, int a5, int a6); - void *_new_array(unsigned int size, unsigned long num); - void *_realloc_array(void *ptr, unsigned int size, unsigned long num); ---- rsync.c 23 Mar 2004 16:16:15 -0000 1.135 -+++ rsync.c 20 Apr 2004 23:44:17 -0000 +--- orig/rsync.c 2004-07-26 16:06:53 ++++ 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_server; extern int am_sender; -@@ -140,17 +141,28 @@ int set_perms(char *fname,struct file_st - st = &st2; - } - -- if (preserve_times && !S_ISLNK(st->st_mode) && -- cmp_modtime(st->st_mtime, file->modtime) != 0) { -+ if (!S_ISLNK(st->st_mode) && (preserve_times || copy_atimes)) { + 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 (copy_atimes && !S_ISDIR(st->st_mode) ++ if (!(flags & PERMS_SKIP_ATIME) + && cmp_time(st->st_atime, file->atime) != 0) { + atime = file->atime; + updated = 1; + } else + atime = st->st_atime; -+ if (preserve_times && cmp_time(st->st_mtime, file->modtime) != 0) { ++ if (!(flags & PERMS_SKIP_MTIME) ++ && cmp_time(st->st_mtime, file->modtime) != 0) { + mtime = file->modtime; + updated = 1; + } else @@ -242,16 +221,16 @@ - if (set_modtime(fname,file->modtime) != 0 && + if (updated && set_times(fname, mtime, atime) != 0 && !S_ISDIR(st->st_mode)) { - rprintf(FERROR, "failed to set times on %s: %s\n", - full_fname(fname), strerror(errno)); + 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; ---- rsync.h 17 Apr 2004 17:14:16 -0000 1.197 -+++ rsync.h 20 Apr 2004 23:44:18 -0000 +--- orig/rsync.h 2004-07-23 17:16:13 ++++ 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) @@ -260,7 +239,15 @@ /* These flags are used in the live flist data. */ -@@ -419,6 +420,7 @@ struct file_struct { +@@ -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; @@ -268,9 +255,9 @@ uid_t uid; gid_t gid; mode_t mode; ---- rsync.yo 17 Apr 2004 18:40:16 -0000 1.159 -+++ rsync.yo 20 Apr 2004 23:44:18 -0000 -@@ -299,6 +299,7 @@ verb( +--- orig/rsync.yo 2004-07-24 16:52:10 ++++ 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 @@ -278,20 +265,88 @@ -S, --sparse handle sparse files efficiently -n, --dry-run show what would have been transferred -W, --whole-file copy whole files, no incremental checks -@@ -536,6 +537,11 @@ modified cannot be effective; in other w - cause the next transfer to behave as if it used -I, and all files will have +@@ -567,6 +568,11 @@ 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. ---- tls.c 9 Apr 2004 20:22:44 -0000 1.19 -+++ tls.c 20 Apr 2004 23:44:18 -0000 + +--- 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" "$todir" ++ ++# The script would have aborted on error, so getting here means we've won. ++exit 0 +--- orig/testsuite/rsync.fns 2004-07-23 17:16:13 ++++ testsuite/rsync.fns 2004-07-03 20:15:41 +@@ -50,7 +50,7 @@ printmsg() { + + + rsync_ls_lR() { +- find "$@" -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 @@ @@ -306,10 +361,10 @@ +static int display_atime = 0; - static void failed (char const *what, - char const *where) -@@ -57,14 +59,29 @@ static void failed (char const *what, - exit (1); + 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) @@ -329,7 +384,7 @@ + } +} - static void list_file (const char *fname) + static void list_file(const char *fname) { STRUCT_STAT buf; char permbuf[PERMSTRING_SIZE]; @@ -340,7 +395,7 @@ char linkbuf[4096]; if (do_lstat(fname, &buf) == -1) -@@ -97,19 +114,8 @@ static void list_file (const char *fname +@@ -96,19 +113,8 @@ static void list_file(const char *fname) permstring(permbuf, buf.st_mode); @@ -362,7 +417,7 @@ /* TODO: Perhaps escape special characters in fname? */ -@@ -120,24 +126,55 @@ static void list_file (const char *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); @@ -392,8 +447,8 @@ main(int argc, char *argv[]) { - if (argc < 2) { -- fprintf (stderr, "usage: " PROGRAM " DIR ...\n" -- "Trivial file listing program for portably checking rsync\n"); +- fprintf(stderr, "usage: " PROGRAM " DIR ...\n" +- "Trivial file listing program for portably checking rsync\n"); - return 1; + poptContext pc; + const char **extra_args; @@ -415,7 +470,7 @@ } - for (argv++; *argv; argv++) { -- list_file (*argv); +- list_file(*argv); - } + extra_args = poptGetArgs(pc); + if (*extra_args == NULL) @@ -427,16 +482,15 @@ return 0; } ---- util.c 17 Apr 2004 17:06:03 -0000 1.136 -+++ util.c 20 Apr 2004 23:44:19 -0000 -@@ -124,32 +124,40 @@ void overflow(char *str) +--- orig/util.c 2004-07-26 16:33:24 ++++ 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) { - extern int dry_run; if (dry_run) return 0; @@ -445,15 +499,15 @@ + char mtimebuf[200]; + char atimebuf[200]; + -+ strlcpy(mtimebuf, timestring(modtime), sizeof(mtimebuf)); -+ strlcpy(atimebuf, timestring(atime), sizeof(atimebuf)); ++ 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, + fname, (long)modtime, - asctime(localtime(&modtime))); + mtimebuf, -+ (long) atime, atimebuf); ++ (long)atime, atimebuf); } { @@ -476,7 +530,7 @@ t[0].tv_usec = 0; t[1].tv_sec = modtime; t[1].tv_usec = 0; -@@ -1052,8 +1060,8 @@ int msleep(int t) +@@ -1103,8 +1111,8 @@ int msleep(int t) /** @@ -487,83 +541,12 @@ * --modify-window). * * @retval 0 if the times should be treated as the same -@@ -1062,7 +1070,7 @@ int msleep(int t) +@@ -1113,7 +1121,7 @@ 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) { - extern int modify_window; - ---- /dev/null 1 Jan 1970 00:00:00 -0000 -+++ testsuite/copy-atimes.test 20 Apr 2004 23:44:19 -0000 -@@ -0,0 +1,22 @@ -+#! /bin/sh -+ -+# Test rsync copying atimes -+ -+. $srcdir/testsuite/rsync.fns -+ -+set -x -+ -+fromdir="$scratchdir/from" -+todir="$scratchdir/to" -+ -+mkdir "$fromdir" -+ -+touch "$fromdir/foo" -+touch -a -t 200102031717.42 "$fromdir/foo" -+ -+TLS_ARGS=--atime -+ -+checkit "$RSYNC -rtAgvvv \"$fromdir/\" \"$todir/\"" "$fromdir" "$todir" -+ -+# The script would have aborted on error, so getting here means we've won. -+exit 0 ---- testsuite/rsync.fns 4 Feb 2004 07:32:48 -0000 1.59 -+++ testsuite/rsync.fns 20 Apr 2004 23:44:19 -0000 -@@ -51,7 +51,7 @@ printmsg() { - - - rsync_ls_lR() { -- find "$@" -print | sort | xargs "$TOOLDIR/tls" -+ find "$@" -print | sort | xargs "$TOOLDIR/tls" $TLS_ARGS - } - - rsync_getgroups() { -@@ -151,6 +151,8 @@ checkit() { - # We can just write everything to stdout/stderr, because the - # wrapper hides it unless there is a problem. - -+ ( cd "$2" && rsync_ls_lR . ) > ${TMP}/ls-from -+ - echo "Running: \"$1\"" - eval "$1" - status=$? -@@ -159,6 +161,12 @@ checkit() { - fi - - echo "-------------" -+ echo "check how the directory listings compare with diff:" -+ echo "" -+ ( cd "$3" && rsync_ls_lR . ) > ${TMP}/ls-to -+ diff $diffopt ${TMP}/ls-from ${TMP}/ls-to || failed=YES -+ -+ echo "-------------" - echo "check how the files compare with diff:" - echo "" - for f in `cd "$2"; find . -type f -print ` -@@ -166,12 +174,6 @@ 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 . ) > ${TMP}/ls-from -- ( cd "$3" && rsync_ls_lR . ) > ${TMP}/ls-to -- diff $diffopt ${TMP}/ls-from ${TMP}/ls-to || failed=YES - if [ -z "${failed}" ] ; then - return 0 - else + if (file2 > file1) { + if (file2 - file1 <= modify_window)