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0store.1
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.TH 0STORE 1 "2006" "Thomas Leonard" ""
.SH NAME
0store \- manage the implementation cache
.SH SYNOPSIS
.B 0store add
\fBDIGEST\fP \fBDIRECTORY\fP
.B 0store add
\fBDIGEST\fP \fBARCHIVE\fP [ \fBEXTRACT\fP ]
.B 0store copy
\fBDIRECTORY\fP [ \fBDIRECTORY\fP ]
.B 0store find
\fBDIGEST\fP
.B 0store list
.B 0store manifest
\fBDIRECTORY\fP [ \fBALGORITHM\fP ]
.B 0store verify
( \fBDIGEST\fP | \fBDIRECTORY\fP )
.SH DESCRIPTION
.PP
0store provides access to the low-level implementation cache. Normally, the
cache is updated automatically using 0launch(1).
.SH ADD
.PP
To add a directory to the store (makes a copy):
.B 0store add sha1=XXX directory
.PP
To add an archive to the store:
.B 0store add sha1=XXX archive.tgz
.PP
To add a subdirectory of an archive to the store:
.B 0store add sha1=XXX archive.tgz subdir
.PP
The actual digest is calculated and compared to the given one. If they don't
match, the operation is rejected.
.SH COPY
.PP
To copy an implementation (a directory with a name in the form
"algorithm=value"), use the copy function. This is similar to performing
a normal recursive directory copy followed by a
.B 0store verify
to check that the name matches the contents. E.g.:
.B 0store copy ~someuser/.cache/0install.net/implementations/sha256=XXX
/var/cache/0install.net/implementations/
.SH FIND
.PP
To find the path of a stored item:
.B 0store find sha1=XXX
.SH LIST
.PP
See the list of implementation caches currently configured:
.B 0store list
To add directories to this list, add them to your 'implementation-dirs'
configuration file.
.SH MANIFEST
.PP
To generate the manifest for a directory structure:
.B 0store manifest DIRECTORY [ALGORITHM]
.PP
The manifest lists every file and directory in the tree, along with the
digest of each file, thus uniquely identifying that particular set of files.
After the manifest, the last line gives the digest of the manifest itself.
.PP
This value is needed when creating interface files. However, the 0publish
command will automatically calculate the required digest for you and add it
to an interface file. See the packager's guide on the Zero Install web site for
details.
.PP
Supported algorithms are 'sha1' (supported by all versions), 'sha1new'
(requires injector 0.20 or later) and 'sha256' (requires injector 0.20 or later
AND the Python hashlib module).
.SH VERIFY
.PP
To check that an item is stored correctly:
.B 0store verify /path/to/sha1=XXX
This calculates the manifest of the directory and checks that its digest matches
the directory's name. It also checks that it matches the digest of the .manifest
file inside the directory. If the .manifest doesn't correspond to the current
tree, it displays a list of the differences (in unified diff format).
.SH COMMAND-LINE OPTIONS
.TP
\fB-h\fP, \fB--help\fP
Show the built-in help text.
.TP
\fB-v\fP, \fB--verbose\fP
More verbose output. Use twice for even more verbose output.
.TP
\fB-V\fP, \fB--version\fP
Display version information.
.SH FILES
.IP "~/.cache/0install.net/implementations"
Cached implementations, indexed by manifest digest.
.IP "~/.config/0install.net/injector/implementation-dirs"
List of system cache directories, one per line.
.SH LICENSE
.PP
Copyright (C) 2006 Thomas Leonard.
.PP
You may redistribute copies of this program under the terms of the GNU General Public License.
.SH BUGS
.PP
Please report bugs to the developer mailing list:
http://0install.net/support.html
.SH AUTHOR
.PP
The Zero Install Injector was created by Thomas Leonard.
.SH SEE ALSO
0alias(1), 0launch(1)
.PP
The Zero Install web-site:
.B http://0install.net