Included -md5 on with option -for_backup

xorriso/xorriso.1

@@ -2,7 +2,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH XORRISO 1 "Aug 15, 2009"
+.TH XORRISO 1 "Aug 18, 2009"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -727,10 +727,25 @@ Enable or disable processing of xattr attributes in user namespace.
 If enabled, then xorriso will handle xattr similar to ACL.
 See also options -getfattr, -setfattr and above paragraph about xattr.
 .TP
+\fB\-md5\fR "on"|"off"
+Enable or disable processing of MD5 checksums for the overall session and for
+each single data file. If enabled then images get loaded only if eventual
+checksums tags of superblock and directory tree match properly. The MD5
+checksums of data files and whole session get loaded from the image if there
+are any.
+.br
+At image generation time they are computed for each file which gets its data
+written into the new session. The checksums of files which have their data
+in older sessions get copied into the new session. Superblock, tree and whole
+session get a checksum tag each.
+.br
+Checksums can be exploited via options -check_md5, -check_md5_r, via find
+actions get_md5, check_md5, and via -check_media.
+.TP
 \fB\-for_backup\fR
 Enable all extra features which help to produce or to restore backups with
 highest fidelity of file properties.
-Currently this is a shortcut for: -hardlinks on -acl on -xattr on .
+Currently this is a shortcut for: -hardlinks on -acl on -xattr on -md5 on.
 .TP
 \fB\-disk_dev_ino\fR "on"|"ino_only"|"off"
 Enable or disable processing of recorded file identification numbers
@@ -752,15 +767,6 @@ same filesystems. Use this if mode "on" always sees all files changed.
 The speed advantage appears only if the loaded session was produced with
 -disk_dev_ino "on" too.
 .TP
-\fB\-md5\fR "on"|"off"
-Enable or disable processing of MD5 checksums for the overall session and for
-each single data file. If enabled then MD5 checksums get loaded from the image
-if there are any. At image generation time they are computed for each file
-which gets its data written into the new session. The checksums of files which
-have their data in older sessions get copied into the new session.
-Checksums can be exploited via options -check_md5, -check_md5_r, via find
-actions get_md5, check_md5, and via -check_media.
-.TP
 \fB\-rom_toc_scan\fR "on"|"off"[:"emul_on"|"emul_off"]
 Read-only drives do not tell the actual media type but show any media as
 ROM (e.g. as DVD-ROM). The session history of MMC multi-session media might

xorriso/xorriso.c

@@ -15478,7 +15478,7 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
 "  -xattr \"on\"|\"off\"",
 "                 Enable resp. disable reading and writing of xattr.",
 "  -for_backup",
-"                 Shortcut for: -hardlinks on -acl on -xattr on",
+"                 Shortcut for: -hardlinks on -acl on -xattr on -md5 on",
 "  -disk_dev_ino \"on\"|\"ino_only\"|\"off\"",
 "                 Enable resp. disable recording of disk file dev_t and ino_t",
 "                 and their use in file comparison.",
@@ -19079,6 +19079,8 @@ next_command:;
      ret= Xorriso_option_acl(xorriso, "on", 0);
    if(ret > 0)
      ret= Xorriso_option_xattr(xorriso, "on", 0);
+   if(ret > 0)
+     ret= Xorriso_option_md5(xorriso, "on", 0);
 
  } else if(strcmp(cmd,"format")==0) {
    (*idx)++;

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2009.08.18.173453"
+#define Xorriso_timestamP "2009.08.18.191013"