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Top Forums UNIX for Advanced & Expert Users tar: how to preserve atime? (also on extracted version, not just original) Post 302268008 by frankie06 on Sunday 14th of December 2008 10:15:25 PM
Old 12-14-2008
Tools

That was quick. Thanks!


Quote:
Originally Posted by frank_rizzo
use the -p option when you extract it.

This does not seem to work though. See below an example where 2 files (with different atimes) are archived and extracted somewhere else. The last line of output shows that the atime was not preserved.

$ ls -lt origin/b*
-rw-r--r-- 1 dsilt2 dsilt2 4 2008-12-15 03:52 origin/bla2
-rw-r--r-- 1 dsilt2 dsilt2 4 2007-07-07 22:22 origin/bla1
$ ls -ltu origin/b*
-rw-r--r-- 1 dsilt2 dsilt2 4 2008-12-15 03:52 origin/bla2
-rw-r--r-- 1 dsilt2 dsilt2 4 2007-07-07 22:22 origin/bla1
$ cd origin/
$ tar --atime-preserve -cvpf archive.tar *
bla1
bla2
$ mv archive.tar ../destination/
$ cd ../destination/
$ tar xvpf archive.tar
bla1
bla2
$ ls -lt b*
-rw-r--r-- 1 dsilt2 dsilt2 4 2008-12-15 03:52 bla2
-rw-r--r-- 1 dsilt2 dsilt2 4 2007-07-07 22:22 bla1
$ ls -ltu b*
-rw-r--r-- 1 dsilt2 dsilt2 4 2008-12-15 04:01 bla1
-rw-r--r-- 1 dsilt2 dsilt2 4 2008-12-15 04:01 bla2
 

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GIT-TAR-TREE(1) 						    Git Manual							   GIT-TAR-TREE(1)

NAME
git-tar-tree - Create a tar archive of the files in the named tree object SYNOPSIS
git tar-tree [--remote=<repo>] <tree-ish> [ <base> ] DESCRIPTION
THIS COMMAND IS DEPRECATED. Use git archive with --format=tar option instead (and move the <base> argument to --prefix=base/). Creates a tar archive containing the tree structure for the named tree. When <base> is specified it is added as a leading path to the files in the generated tar archive. git tar-tree behaves differently when given a tree ID versus when given a commit ID or tag ID. In the first case the current time is used as modification time of each file in the archive. In the latter case the commit time as recorded in the referenced commit object is used instead. Additionally the commit ID is stored in a global extended pax header. It can be extracted using git get-tar-commit-id. OPTIONS
<tree-ish> The tree or commit to produce tar archive for. If it is the object name of a commit object. <base> Leading path to the files in the resulting tar archive. --remote=<repo> Instead of making a tar archive from local repository, retrieve a tar archive from a remote repository. CONFIGURATION
tar.umask This variable can be used to restrict the permission bits of tar archive entries. The default is 0002, which turns off the world write bit. The special value "user" indicates that the archiving user's umask will be used instead. See umask(2) for details. EXAMPLES
git tar-tree HEAD junk | (cd /var/tmp/ && tar xf -) Create a tar archive that contains the contents of the latest commit on the current branch, and extracts it in /var/tmp/junk directory. git tar-tree v1.4.0 git-1.4.0 | gzip >git-1.4.0.tar.gz Create a tarball for v1.4.0 release. git tar-tree v1.4.0^{tree} git-1.4.0 | gzip >git-1.4.0.tar.gz Create a tarball for v1.4.0 release, but without a global extended pax header. git tar-tree --remote=example.com:git.git v1.4.0 >git-1.4.0.tar Get a tarball v1.4.0 from example.com. git tar-tree HEAD:Documentation/ git-docs > git-1.4.0-docs.tar Put everything in the current head's Documentation/ directory into git-1.4.0-docs.tar, with the prefix git-docs/. GIT
Part of the git(1) suite Git 1.8.5.3 01/14/2014 GIT-TAR-TREE(1)
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