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WIMUPDATE(1) User Commands WIMUPDATE(1) NAME wimupdate - Update a WIM image SYNOPSIS wimupdate WIMFILE [IMAGE] [OPTION...] [< CMDFILE] DESCRIPTION wimupdate, or equivalently wimlib-imagex update, modifies the specified IMAGE in the Windows Imaging (WIM) archive WIMFILE by adding, deleting, or renaming files or directories in it. IMAGE specifies the image in WIMFILE to update. It may be the 1-based index of an image or the name of an image. It may be omitted if WIM- FILE contains only one image. You can use wiminfo(1) to list the im- ages contained in WIMFILE. The modifications to perform on the WIM image are specified as a se- quence of commands, one per line, read in a text file (UTF-8 or UTF-16LE encoded; plain ASCII is also fine) from standard input. It is recommended that standard input be redirected from a file (CMDFILE), as shown above, rather than typing in commands interactively. Alterna- tively, to specify a command directly on the command line, see the --command option. AVAILABLE COMMANDS This section documents the commands that may appear in the CMDFILE de- scribed above. add [OPTION...] SOURCE DESTINATION Add a file or directory tree to the WIM image. SOURCE must specify the path to a file or directory on your filesystem. DESTINATION must spec- ify the path inside the WIM image at which to add the file or directory tree. If DESTINATION names an existing directory in the WIM image, then SOURCE must also name a directory. This causes the contents of the SOURCE directory to be added to the DESTINATION directory. If DESTINATION names an existing nondirectory file in the WIM image, then SOURCE must also name a nondirectory file. By default, this causes the DESTINATION file to be replaced with the SOURCE file. Or, with --no-replace specified, this generates an error. If DESTINATION does not exist in the WIM image, then any prerequisite directories are created as needed to add the SOURCE at that location. The add command supports a subset of the options accepted by wimcap- ture; namely, --dereference, --unix-data, --no-acls, and --strict-acls. See wimcapture(1) for explanations of these options. In addition, the add command supports the --no-replace option, which causes the add command to refuse to overwrite existing nondirectory files in the WIM image. delete [OPTION...] PATH Delete a file or directory tree from the WIM image. PATH must specify the path inside the WIM image of the file or directory tree to delete. The available options for the delete command are: --force Do not issue an error if the path to delete does not exist. --recursive Delete the file or directory tree recursively; if not specified, an error is issued if the path to delete is a directory. rename OLD_PATH NEW_PATH Rename a file or directory tree inside the WIM image. OLD_PATH must specify the old path of the file or directory tree inside the WIM im- age, and NEW_PATH must specify the new path for the file or directory tree. This command follows the semantics of the POSIX rename (3) func- tion; in particular, a pre-existing file at NEW_PATH will be deleted if present, except in certain cases such as attempting to rename a direc- tory to a non-directory, which is not allowed. There are no options available for the rename command. OPTIONS The following options are accepted on the command line by wimupdate it- self: --dereference Use --dereference for all add commands. --unix-data Use --unix-data for all add commands. --no-acls Use --no-acls for all add commands. --strict-acls Use --strict-acls for all add commands. --no-replace Use --no-replace for all add commands. --config=FILE Set the capture configuration file for all add commands. See the description of this option to wimcapture(1). --force Use --force for all delete commands. --recursive Use --recursive for all delete commands. --check Before updating the WIM, verify its integrity if it contains ex- tra integrity information. Also include extra integrity informa- tion in the updated WIM even if it was not present before. --include-integrity Include extra integrity information in the updated WIM, i.e. like --check but don't also verify the WIM beforehand. --threads=NUM_THREADS Number of threads to use for compressing newly added files. De- fault: autodetect (number of processors). --rebuild Rebuild the entire WIM rather than appending the updated data to the end of it. Rebuilding the WIM is slower, but will save a little bit of space that would otherwise be left as a hole in the WIM file. See wimoptimize(1) for a more customizable way of rebuilding (and optionally recompressing) a WIM file. If running wimoptimize af- ter wimupdate, there is no need to specify --rebuild to wimup- date. --command=STRING Instead of reading update commands from standard input, read a single update command directly from the string STRING specified on the command line. This option cannot be provided more than one time and cannot be used to specify more than one update com- mand. Note that the STRING, as well as any paths containing spaces within the STRING must be appropriately quoted. If run- ning from cmd.exe on Windows, you should use double quotes for the outer quotes and single quotes for the inner quotes. Exam- ple: wimupdate boot.wim 1 --command="add 'C:\My Dir' '\My Dir'" This option is provided for convenience only. Do not execute wimupdate multiple consecutive times, each time passing the --command option! This is inefficient. Instead, generate an up- date command file and provide it (on standard input) to a single invocation of wimupdate, as explained in this document. --wimboot-config=FILE If this option is specified, no commands shall be read from stan- dard input, and instead the following command shall be executed: add FILE /Windows/System32/WimBootCompress.ini This sets FILE as the WIMBoot configuration file for the image. The [PrepopulateList] section of this file specifies path globs that shall not be extracted as WIMBoot pointer files (perhaps due to being needed early in the boot process). See the documenta- tion for the --wimboot option of wimapply(1) for more informa- tion. --unsafe-compact Compact the WIM archive in-place and append any new data, elimi- nating "holes". This is efficient, but in general this option should not be used because a failed or interrupted compaction will corrupt the WIM archive. For more information, see the doc- umentation for this option in wimoptimize(1). --ref="GLOB" File glob of WIM(s) on which the delta WIM is based. Updating split WIMs is not allowed, but updating delta WIMs is allowed. When updating a delta WIM, the WIM(s) on which the delta WIM is based should be specified using this option. (It isn't a hard requirement, but it's needed for data deduplication to work fully and for the TOTALBYTES statistic to be correctly updated.) NOTES wimupdate can be viewed as redundant with wimmountrw, since a WIM image can also be updated by mounting it read-write. However, wimupdate works on all platforms including Windows, whereas wimmountrw only works on Linux. Symbolic links inside a WIM image are not dereferenced when being in- terpreted. So, for example, if you have a WIM image that contains a symbolic link "/Documents and Settings" -> "/Users" where "/Users" is a directory, then a subdirectory named "Public" in this directory must be specified as "/Users/Public" rather than "/Documents and Settings/Pub- lic". All paths to files or directories within the WIM image must be speci- fied relative to the root of the image. However, the leading slash is optional, and both forward slashes and backslashes are accepted. In addition, on Windows, the paths are by default treated case-insensi- tively, while on UNIX-like systems, the paths are by default treated case-sensitively. The default case sensitivity may be changed by set- ting the WIMLIB_IMAGEX_IGNORE_CASE environmental variable to 0 or 1. The command file (CMDFILE) is parsed by wimupdate itself and not by the system shell. Therefore, its syntax is limited. However, comment lines beginning with '#' are allowed, and it is also possible to quote arguments with whitespace inside them. On UNIX-like systems, you cannot use wimupdate to add files to an image directly from an NTFS volume using libntfs-3g, even though wimcapture supports capturing a full image this way. Except when using --unsafe-compact, it is safe to abort a wimupdate command partway through; however, after doing this, it is recommended to run wimoptimize to remove any data that was appended to the physical WIM file but not yet incorporated into the structure of the WIM, unless --rebuild was specified, in which case you should delete the temporary file left over. EXAMPLES All the examples below show the update command file to be created as well as the wimupdate command to run to perform the updates. Delete two files from a WIM image: update_commands.txt: delete /setup.exe delete /sources/setup.exe $ wimupdate boot.wim 2 < update_commands.txt Add some files and directories to a WIM image. Note that the first path of each add command specifies the files to add, while the second path of each add command specify the locations at which to add them in- side the WIM image: update_commands.txt: add somedir /dir add somefile /dir/file $ wimupdate boot.wim 2 < update_commands.txt Rename a file inside a WIM image. update_commands.txt: rename /dir_in_wim/oldfile.txt /dir_in_wim/newfile.txt $ wimupdate boot.wim 2 < update_commands.txt Using additional features, such as comments, options, and overlays, and including extra integrity information in the updated WIM: update_commands.txt: # # This file specifies some changes to make to a WIM image. # # Add a new directory containing files I want in the image. # The quotes are necessary because the directory name # contains a space. add "My Directory" "/My Directory" # Add the contents of "Another Directory" to the # "/My Directory" we just created in the WIM image. Since # the destination path already exists, this performs an # overlay. add "Another Directory" "/My Directory" # Rename some file for some reason. rename /dir_in_wim/oldfile.txt /dir_in_wim/newfile.txt # Delete an unwanted directory. delete --recursive /Users/Me/Documents/Junk $ wimupdate boot.wim 2 --check < update_commands.txt SEE ALSO wimlib-imagex(1) wimcapture(1) wiminfo(1) wimmountrw(1) wimoptimize(1) wimlib 1.14.4 February 2024 WIMUPDATE(1)
NAME | SYNOPSIS | DESCRIPTION | AVAILABLE COMMANDS | OPTIONS | NOTES | EXAMPLES | SEE ALSO
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