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Fixed bug about non existing disk_path with -update_r

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Thomas Schmitt
2008-03-06 17:48:02 +00:00
parent 4188398e1d
commit ba659b5d8a
4 changed files with 75 additions and 45 deletions
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50
libisoburn/trunk/xorriso/xorriso.1
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@ -543,30 +543,6 @@ as files to add, if they are not parameters to appropriate commands.
Like -add but read the parameter words from file disk_path.
One pathspec resp. disk_path pattern per line.
.TP
\fB\-update\fR disk_path iso_rr_path
WARNING: This option is fewly tested and has potential to spoil your ISO image.
.br
Compare file object disk_path with file object iso_rr_path. If they do not
match, then perform the necessary image manipulations to make iso_rr_path
a matching copy of disk_path. This comparison will imply lengthy content
reading before a decision is made. On the other hand it strives for the
smallest possible amount of add-on data which is needed to achieve the
matching copy.
.br
-update is also a convenient compromise between -add addressing and -cp_r
addressing: Its semantics is similar to -add and thus avoids the pitfalls
inherited from cp -r behavior. Its syntax resembles cp, though.
.br
Note: Not all subtleties of link following are implemented yet.
.TP
\fB\-update_r\fR disk_path iso_rr_path
WARNING: This option is fewly tested and has potential to spoil your ISO image.
.br
Like -update but working recursively. I.e. all file objects below both
addresses get compared whether they have counterparts below the other address
and whether both counterparts match. If there is a mismatch then the necessary
update manipulation is done.
.TP
\fB\-cpr\fR disk_path [***] iso_rr_path
Insert the given files or directory trees from filesystem
into the ISO image.
@ -584,6 +560,30 @@ get the same type as the disk_path.
If a disk_path does not begin with '/' then -cdx is prepended.
If the iso_rr_path does not begin with '/' then -cd is prepended.
.TP
\fB\-update\fR disk_path iso_rr_path
Compare file object disk_path with file object iso_rr_path. If they do not
match, then perform the necessary image manipulations to make iso_rr_path
a matching copy of disk_path. This comparison will imply lengthy content
reading before a decision is made. On the other hand it strives for the
smallest possible amount of add-on data which is needed to achieve the
matching copy.
.TP
\fB\-update_r\fR disk_path iso_rr_path
Like -update but working recursively. I.e. all file objects below both
addresses get compared whether they have counterparts below the other address
and whether both counterparts match. If there is a mismatch then the necessary
update manipulation is done.
.br
Note that the comparison result may depend on option -follow. Its setting
should always be the same as with the first adding of disk_path as iso_rr_path.
.br
If iso_rr_path does not exist yet, then it gets added. If disk_path does not
exist, then iso_rr_path gets deleted.
.br
-update_r is also a convenient compromise between -add addressing and -cp_r
addressing: Its semantics is similar to -add and thus avoids the pitfalls
inherited from cp -r behavior. Its syntax resembles cp, though.
.TP
\fB\-rm\fR iso_rr_path [***]
Delete the given files from the ISO image.
.br
@ -729,8 +729,6 @@ E.g.:
"update" performs command -update with the found file address as iso_rr_path.
The corresponding file address is determined like with above "compare".
.br
WARNING: This action is fewly tested and has potential to spoil your ISO image.
.br
E.g.:
.br
-find / -exec update /home/thomas --