Initial Commit
This commit is contained in:
6
.gitignore
vendored
Normal file
6
.gitignore
vendored
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@ -0,0 +1,6 @@
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# cargo-stuff
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/target
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# ssh public-keys
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*.key
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*id_rsa*
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534
Cargo.lock
generated
Normal file
534
Cargo.lock
generated
Normal file
@ -0,0 +1,534 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.77"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5239bc68e0fef57495900cfea4e8dc75596d9a319d7e16b1e0a440d24e6fe0a0"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "termcolor"
|
||||
version = "1.1.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
|
||||
dependencies = [
|
||||
"winapi-util",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "textwrap"
|
||||
version = "0.14.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0066c8d12af8b5acd21e00547c3797fde4e8677254a7ee429176ccebbe93dd80"
|
||||
dependencies = [
|
||||
"unicode-width",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "time"
|
||||
version = "0.1.44"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"wasi",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-segmentation"
|
||||
version = "1.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8895849a949e7845e06bd6dc1aa51731a103c42707010a5b591c0038fb73385b"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-width"
|
||||
version = "0.1.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
|
||||
|
||||
[[package]]
|
||||
name = "vcpkg"
|
||||
version = "0.2.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
|
||||
|
||||
[[package]]
|
||||
name = "vec_map"
|
||||
version = "0.8.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.10.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-util"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
|
||||
dependencies = [
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
15
Cargo.toml
Normal file
15
Cargo.toml
Normal file
@ -0,0 +1,15 @@
|
||||
[package]
|
||||
name = "butterup"
|
||||
description = "Backup btrfs snapshots over SSH"
|
||||
version = "0.1.0"
|
||||
authors = ["Joakim Hulthe <joakim@hulthe.net>"]
|
||||
license = "MPL-2.0"
|
||||
edition = "2018"
|
||||
|
||||
[dependencies]
|
||||
anyhow = "1.0.44"
|
||||
chrono = "0.4.19"
|
||||
clap = "3.0.0-beta.4"
|
||||
log = "0.4"
|
||||
pretty_env_logger = "0.4"
|
||||
ssh2 = "0.9.1"
|
||||
373
LICENSE
Normal file
373
LICENSE
Normal file
@ -0,0 +1,373 @@
|
||||
Mozilla Public License Version 2.0
|
||||
==================================
|
||||
|
||||
1. Definitions
|
||||
--------------
|
||||
|
||||
1.1. "Contributor"
|
||||
means each individual or legal entity that creates, contributes to
|
||||
the creation of, or owns Covered Software.
|
||||
|
||||
1.2. "Contributor Version"
|
||||
means the combination of the Contributions of others (if any) used
|
||||
by a Contributor and that particular Contributor's Contribution.
|
||||
|
||||
1.3. "Contribution"
|
||||
means Covered Software of a particular Contributor.
|
||||
|
||||
1.4. "Covered Software"
|
||||
means Source Code Form to which the initial Contributor has attached
|
||||
the notice in Exhibit A, the Executable Form of such Source Code
|
||||
Form, and Modifications of such Source Code Form, in each case
|
||||
including portions thereof.
|
||||
|
||||
1.5. "Incompatible With Secondary Licenses"
|
||||
means
|
||||
|
||||
(a) that the initial Contributor has attached the notice described
|
||||
in Exhibit B to the Covered Software; or
|
||||
|
||||
(b) that the Covered Software was made available under the terms of
|
||||
version 1.1 or earlier of the License, but not also under the
|
||||
terms of a Secondary License.
|
||||
|
||||
1.6. "Executable Form"
|
||||
means any form of the work other than Source Code Form.
|
||||
|
||||
1.7. "Larger Work"
|
||||
means a work that combines Covered Software with other material, in
|
||||
a separate file or files, that is not Covered Software.
|
||||
|
||||
1.8. "License"
|
||||
means this document.
|
||||
|
||||
1.9. "Licensable"
|
||||
means having the right to grant, to the maximum extent possible,
|
||||
whether at the time of the initial grant or subsequently, any and
|
||||
all of the rights conveyed by this License.
|
||||
|
||||
1.10. "Modifications"
|
||||
means any of the following:
|
||||
|
||||
(a) any file in Source Code Form that results from an addition to,
|
||||
deletion from, or modification of the contents of Covered
|
||||
Software; or
|
||||
|
||||
(b) any new file in Source Code Form that contains any Covered
|
||||
Software.
|
||||
|
||||
1.11. "Patent Claims" of a Contributor
|
||||
means any patent claim(s), including without limitation, method,
|
||||
process, and apparatus claims, in any patent Licensable by such
|
||||
Contributor that would be infringed, but for the grant of the
|
||||
License, by the making, using, selling, offering for sale, having
|
||||
made, import, or transfer of either its Contributions or its
|
||||
Contributor Version.
|
||||
|
||||
1.12. "Secondary License"
|
||||
means either the GNU General Public License, Version 2.0, the GNU
|
||||
Lesser General Public License, Version 2.1, the GNU Affero General
|
||||
Public License, Version 3.0, or any later versions of those
|
||||
licenses.
|
||||
|
||||
1.13. "Source Code Form"
|
||||
means the form of the work preferred for making modifications.
|
||||
|
||||
1.14. "You" (or "Your")
|
||||
means an individual or a legal entity exercising rights under this
|
||||
License. For legal entities, "You" includes any entity that
|
||||
controls, is controlled by, or is under common control with You. For
|
||||
purposes of this definition, "control" means (a) the power, direct
|
||||
or indirect, to cause the direction or management of such entity,
|
||||
whether by contract or otherwise, or (b) ownership of more than
|
||||
fifty percent (50%) of the outstanding shares or beneficial
|
||||
ownership of such entity.
|
||||
|
||||
2. License Grants and Conditions
|
||||
--------------------------------
|
||||
|
||||
2.1. Grants
|
||||
|
||||
Each Contributor hereby grants You a world-wide, royalty-free,
|
||||
non-exclusive license:
|
||||
|
||||
(a) under intellectual property rights (other than patent or trademark)
|
||||
Licensable by such Contributor to use, reproduce, make available,
|
||||
modify, display, perform, distribute, and otherwise exploit its
|
||||
Contributions, either on an unmodified basis, with Modifications, or
|
||||
as part of a Larger Work; and
|
||||
|
||||
(b) under Patent Claims of such Contributor to make, use, sell, offer
|
||||
for sale, have made, import, and otherwise transfer either its
|
||||
Contributions or its Contributor Version.
|
||||
|
||||
2.2. Effective Date
|
||||
|
||||
The licenses granted in Section 2.1 with respect to any Contribution
|
||||
become effective for each Contribution on the date the Contributor first
|
||||
distributes such Contribution.
|
||||
|
||||
2.3. Limitations on Grant Scope
|
||||
|
||||
The licenses granted in this Section 2 are the only rights granted under
|
||||
this License. No additional rights or licenses will be implied from the
|
||||
distribution or licensing of Covered Software under this License.
|
||||
Notwithstanding Section 2.1(b) above, no patent license is granted by a
|
||||
Contributor:
|
||||
|
||||
(a) for any code that a Contributor has removed from Covered Software;
|
||||
or
|
||||
|
||||
(b) for infringements caused by: (i) Your and any other third party's
|
||||
modifications of Covered Software, or (ii) the combination of its
|
||||
Contributions with other software (except as part of its Contributor
|
||||
Version); or
|
||||
|
||||
(c) under Patent Claims infringed by Covered Software in the absence of
|
||||
its Contributions.
|
||||
|
||||
This License does not grant any rights in the trademarks, service marks,
|
||||
or logos of any Contributor (except as may be necessary to comply with
|
||||
the notice requirements in Section 3.4).
|
||||
|
||||
2.4. Subsequent Licenses
|
||||
|
||||
No Contributor makes additional grants as a result of Your choice to
|
||||
distribute the Covered Software under a subsequent version of this
|
||||
License (see Section 10.2) or under the terms of a Secondary License (if
|
||||
permitted under the terms of Section 3.3).
|
||||
|
||||
2.5. Representation
|
||||
|
||||
Each Contributor represents that the Contributor believes its
|
||||
Contributions are its original creation(s) or it has sufficient rights
|
||||
to grant the rights to its Contributions conveyed by this License.
|
||||
|
||||
2.6. Fair Use
|
||||
|
||||
This License is not intended to limit any rights You have under
|
||||
applicable copyright doctrines of fair use, fair dealing, or other
|
||||
equivalents.
|
||||
|
||||
2.7. Conditions
|
||||
|
||||
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
|
||||
in Section 2.1.
|
||||
|
||||
3. Responsibilities
|
||||
-------------------
|
||||
|
||||
3.1. Distribution of Source Form
|
||||
|
||||
All distribution of Covered Software in Source Code Form, including any
|
||||
Modifications that You create or to which You contribute, must be under
|
||||
the terms of this License. You must inform recipients that the Source
|
||||
Code Form of the Covered Software is governed by the terms of this
|
||||
License, and how they can obtain a copy of this License. You may not
|
||||
attempt to alter or restrict the recipients' rights in the Source Code
|
||||
Form.
|
||||
|
||||
3.2. Distribution of Executable Form
|
||||
|
||||
If You distribute Covered Software in Executable Form then:
|
||||
|
||||
(a) such Covered Software must also be made available in Source Code
|
||||
Form, as described in Section 3.1, and You must inform recipients of
|
||||
the Executable Form how they can obtain a copy of such Source Code
|
||||
Form by reasonable means in a timely manner, at a charge no more
|
||||
than the cost of distribution to the recipient; and
|
||||
|
||||
(b) You may distribute such Executable Form under the terms of this
|
||||
License, or sublicense it under different terms, provided that the
|
||||
license for the Executable Form does not attempt to limit or alter
|
||||
the recipients' rights in the Source Code Form under this License.
|
||||
|
||||
3.3. Distribution of a Larger Work
|
||||
|
||||
You may create and distribute a Larger Work under terms of Your choice,
|
||||
provided that You also comply with the requirements of this License for
|
||||
the Covered Software. If the Larger Work is a combination of Covered
|
||||
Software with a work governed by one or more Secondary Licenses, and the
|
||||
Covered Software is not Incompatible With Secondary Licenses, this
|
||||
License permits You to additionally distribute such Covered Software
|
||||
under the terms of such Secondary License(s), so that the recipient of
|
||||
the Larger Work may, at their option, further distribute the Covered
|
||||
Software under the terms of either this License or such Secondary
|
||||
License(s).
|
||||
|
||||
3.4. Notices
|
||||
|
||||
You may not remove or alter the substance of any license notices
|
||||
(including copyright notices, patent notices, disclaimers of warranty,
|
||||
or limitations of liability) contained within the Source Code Form of
|
||||
the Covered Software, except that You may alter any license notices to
|
||||
the extent required to remedy known factual inaccuracies.
|
||||
|
||||
3.5. Application of Additional Terms
|
||||
|
||||
You may choose to offer, and to charge a fee for, warranty, support,
|
||||
indemnity or liability obligations to one or more recipients of Covered
|
||||
Software. However, You may do so only on Your own behalf, and not on
|
||||
behalf of any Contributor. You must make it absolutely clear that any
|
||||
such warranty, support, indemnity, or liability obligation is offered by
|
||||
You alone, and You hereby agree to indemnify every Contributor for any
|
||||
liability incurred by such Contributor as a result of warranty, support,
|
||||
indemnity or liability terms You offer. You may include additional
|
||||
disclaimers of warranty and limitations of liability specific to any
|
||||
jurisdiction.
|
||||
|
||||
4. Inability to Comply Due to Statute or Regulation
|
||||
---------------------------------------------------
|
||||
|
||||
If it is impossible for You to comply with any of the terms of this
|
||||
License with respect to some or all of the Covered Software due to
|
||||
statute, judicial order, or regulation then You must: (a) comply with
|
||||
the terms of this License to the maximum extent possible; and (b)
|
||||
describe the limitations and the code they affect. Such description must
|
||||
be placed in a text file included with all distributions of the Covered
|
||||
Software under this License. Except to the extent prohibited by statute
|
||||
or regulation, such description must be sufficiently detailed for a
|
||||
recipient of ordinary skill to be able to understand it.
|
||||
|
||||
5. Termination
|
||||
--------------
|
||||
|
||||
5.1. The rights granted under this License will terminate automatically
|
||||
if You fail to comply with any of its terms. However, if You become
|
||||
compliant, then the rights granted under this License from a particular
|
||||
Contributor are reinstated (a) provisionally, unless and until such
|
||||
Contributor explicitly and finally terminates Your grants, and (b) on an
|
||||
ongoing basis, if such Contributor fails to notify You of the
|
||||
non-compliance by some reasonable means prior to 60 days after You have
|
||||
come back into compliance. Moreover, Your grants from a particular
|
||||
Contributor are reinstated on an ongoing basis if such Contributor
|
||||
notifies You of the non-compliance by some reasonable means, this is the
|
||||
first time You have received notice of non-compliance with this License
|
||||
from such Contributor, and You become compliant prior to 30 days after
|
||||
Your receipt of the notice.
|
||||
|
||||
5.2. If You initiate litigation against any entity by asserting a patent
|
||||
infringement claim (excluding declaratory judgment actions,
|
||||
counter-claims, and cross-claims) alleging that a Contributor Version
|
||||
directly or indirectly infringes any patent, then the rights granted to
|
||||
You by any and all Contributors for the Covered Software under Section
|
||||
2.1 of this License shall terminate.
|
||||
|
||||
5.3. In the event of termination under Sections 5.1 or 5.2 above, all
|
||||
end user license agreements (excluding distributors and resellers) which
|
||||
have been validly granted by You or Your distributors under this License
|
||||
prior to termination shall survive termination.
|
||||
|
||||
************************************************************************
|
||||
* *
|
||||
* 6. Disclaimer of Warranty *
|
||||
* ------------------------- *
|
||||
* *
|
||||
* Covered Software is provided under this License on an "as is" *
|
||||
* basis, without warranty of any kind, either expressed, implied, or *
|
||||
* statutory, including, without limitation, warranties that the *
|
||||
* Covered Software is free of defects, merchantable, fit for a *
|
||||
* particular purpose or non-infringing. The entire risk as to the *
|
||||
* quality and performance of the Covered Software is with You. *
|
||||
* Should any Covered Software prove defective in any respect, You *
|
||||
* (not any Contributor) assume the cost of any necessary servicing, *
|
||||
* repair, or correction. This disclaimer of warranty constitutes an *
|
||||
* essential part of this License. No use of any Covered Software is *
|
||||
* authorized under this License except under this disclaimer. *
|
||||
* *
|
||||
************************************************************************
|
||||
|
||||
************************************************************************
|
||||
* *
|
||||
* 7. Limitation of Liability *
|
||||
* -------------------------- *
|
||||
* *
|
||||
* Under no circumstances and under no legal theory, whether tort *
|
||||
* (including negligence), contract, or otherwise, shall any *
|
||||
* Contributor, or anyone who distributes Covered Software as *
|
||||
* permitted above, be liable to You for any direct, indirect, *
|
||||
* special, incidental, or consequential damages of any character *
|
||||
* including, without limitation, damages for lost profits, loss of *
|
||||
* goodwill, work stoppage, computer failure or malfunction, or any *
|
||||
* and all other commercial damages or losses, even if such party *
|
||||
* shall have been informed of the possibility of such damages. This *
|
||||
* limitation of liability shall not apply to liability for death or *
|
||||
* personal injury resulting from such party's negligence to the *
|
||||
* extent applicable law prohibits such limitation. Some *
|
||||
* jurisdictions do not allow the exclusion or limitation of *
|
||||
* incidental or consequential damages, so this exclusion and *
|
||||
* limitation may not apply to You. *
|
||||
* *
|
||||
************************************************************************
|
||||
|
||||
8. Litigation
|
||||
-------------
|
||||
|
||||
Any litigation relating to this License may be brought only in the
|
||||
courts of a jurisdiction where the defendant maintains its principal
|
||||
place of business and such litigation shall be governed by laws of that
|
||||
jurisdiction, without reference to its conflict-of-law provisions.
|
||||
Nothing in this Section shall prevent a party's ability to bring
|
||||
cross-claims or counter-claims.
|
||||
|
||||
9. Miscellaneous
|
||||
----------------
|
||||
|
||||
This License represents the complete agreement concerning the subject
|
||||
matter hereof. If any provision of this License is held to be
|
||||
unenforceable, such provision shall be reformed only to the extent
|
||||
necessary to make it enforceable. Any law or regulation which provides
|
||||
that the language of a contract shall be construed against the drafter
|
||||
shall not be used to construe this License against a Contributor.
|
||||
|
||||
10. Versions of the License
|
||||
---------------------------
|
||||
|
||||
10.1. New Versions
|
||||
|
||||
Mozilla Foundation is the license steward. Except as provided in Section
|
||||
10.3, no one other than the license steward has the right to modify or
|
||||
publish new versions of this License. Each version will be given a
|
||||
distinguishing version number.
|
||||
|
||||
10.2. Effect of New Versions
|
||||
|
||||
You may distribute the Covered Software under the terms of the version
|
||||
of the License under which You originally received the Covered Software,
|
||||
or under the terms of any subsequent version published by the license
|
||||
steward.
|
||||
|
||||
10.3. Modified Versions
|
||||
|
||||
If you create software not governed by this License, and you want to
|
||||
create a new license for such software, you may create and use a
|
||||
modified version of this License if you rename the license and remove
|
||||
any references to the name of the license steward (except to note that
|
||||
such modified license differs from this License).
|
||||
|
||||
10.4. Distributing Source Code Form that is Incompatible With Secondary
|
||||
Licenses
|
||||
|
||||
If You choose to distribute Source Code Form that is Incompatible With
|
||||
Secondary Licenses under the terms of this version of the License, the
|
||||
notice described in Exhibit B of this License must be attached.
|
||||
|
||||
Exhibit A - Source Code Form License Notice
|
||||
-------------------------------------------
|
||||
|
||||
This Source Code Form is subject to the terms of the Mozilla Public
|
||||
License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
||||
|
||||
If it is not possible or desirable to put the notice in a particular
|
||||
file, then You may include the notice in a location (such as a LICENSE
|
||||
file in a relevant directory) where a recipient would be likely to look
|
||||
for such a notice.
|
||||
|
||||
You may add additional accurate notices of copyright ownership.
|
||||
|
||||
Exhibit B - "Incompatible With Secondary Licenses" Notice
|
||||
---------------------------------------------------------
|
||||
|
||||
This Source Code Form is "Incompatible With Secondary Licenses", as
|
||||
defined by the Mozilla Public License, v. 2.0.
|
||||
3
src/actions.rs
Normal file
3
src/actions.rs
Normal file
@ -0,0 +1,3 @@
|
||||
pub mod list;
|
||||
pub mod show_plan;
|
||||
pub mod sync;
|
||||
18
src/actions/list.rs
Normal file
18
src/actions/list.rs
Normal file
@ -0,0 +1,18 @@
|
||||
use crate::{local, planner, remote, Opt};
|
||||
|
||||
pub fn run(opt: &Opt) -> anyhow::Result<()> {
|
||||
info!("listing backup entries");
|
||||
|
||||
let local_list = local::file_list(opt)?;
|
||||
let session = remote::connect(opt)?;
|
||||
let remote_list = remote::file_list(opt, &session)?;
|
||||
|
||||
let presence = planner::presence(&local_list, &remote_list);
|
||||
|
||||
println!("found {} files", presence.len());
|
||||
for (item, location) in presence {
|
||||
println!("- {}: {:?}", item, location);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
27
src/actions/show_plan.rs
Normal file
27
src/actions/show_plan.rs
Normal file
@ -0,0 +1,27 @@
|
||||
use crate::{local, planner, remote, Opt};
|
||||
|
||||
pub fn run(opt: &Opt) -> anyhow::Result<()> {
|
||||
info!("showing backup plan");
|
||||
|
||||
let local_list = local::file_list(opt)?;
|
||||
let session = remote::connect(opt)?;
|
||||
let remote_list = remote::file_list(opt, &session)?;
|
||||
|
||||
let plan = planner::plan(&local_list, &remote_list);
|
||||
let presence = planner::presence(&local_list, &remote_list);
|
||||
|
||||
println!(
|
||||
"found {} out of {} folders that need backup",
|
||||
plan.transfers.len(),
|
||||
presence.len(),
|
||||
);
|
||||
|
||||
if !plan.transfers.is_empty() {
|
||||
println!("plan:");
|
||||
for (item, item_plan) in plan.transfers {
|
||||
println!("- {}: {:?}", item, item_plan);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
104
src/actions/sync.rs
Normal file
104
src/actions/sync.rs
Normal file
@ -0,0 +1,104 @@
|
||||
use crate::local;
|
||||
use crate::planner::{self, TransferKind};
|
||||
use crate::remote;
|
||||
use crate::Opt;
|
||||
use ssh2::Session;
|
||||
use std::io::{self, Read};
|
||||
use std::process::{Command, Stdio};
|
||||
|
||||
pub fn run(opt: &Opt, sync_all: bool) -> anyhow::Result<()> {
|
||||
// TODO: currently we only sync the latest local files
|
||||
// --all will force a sync of ALL files on local which does not exist on remote
|
||||
if sync_all {
|
||||
error!("backup --all is not yet implemented");
|
||||
unimplemented!();
|
||||
}
|
||||
|
||||
info!("generating backup plan");
|
||||
let local_list = local::file_list(opt)?;
|
||||
let session = remote::connect(opt)?;
|
||||
let remote_list = remote::file_list(opt, &session)?;
|
||||
|
||||
let plan = planner::plan(&local_list, &remote_list);
|
||||
|
||||
if plan.transfers.is_empty() {
|
||||
info!("nothing to do");
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
info!("performing backup plan");
|
||||
for (item, transfer) in plan.transfers {
|
||||
let parent = match transfer {
|
||||
TransferKind::DeltaFrom(parent) => Some(
|
||||
local_list
|
||||
.get(&parent)
|
||||
.unwrap_or_else(|| &remote_list[&parent])
|
||||
.as_str(),
|
||||
),
|
||||
TransferKind::Full => None,
|
||||
};
|
||||
|
||||
send_snapshot(opt, &session, &local_list[&item], parent)?;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn send_snapshot(
|
||||
opt: &Opt,
|
||||
session: &Session,
|
||||
snapshot: &str,
|
||||
parent: Option<&str>,
|
||||
) -> anyhow::Result<()> {
|
||||
info!("[{}] transmitting delta", snapshot);
|
||||
|
||||
// spawn btrfs send
|
||||
let mut send = Command::new("btrfs")
|
||||
.arg("send")
|
||||
.args(parent.iter().flat_map(|parent| ["-p", parent]))
|
||||
.arg(snapshot)
|
||||
.current_dir(&opt.path)
|
||||
.stdin(Stdio::null())
|
||||
.stderr(Stdio::null())
|
||||
.stdout(Stdio::piped())
|
||||
.spawn()?;
|
||||
|
||||
// capture btrfs send output
|
||||
let mut send_stdout = send
|
||||
.stdout
|
||||
.take()
|
||||
.ok_or_else(|| anyhow::format_err!("failed to take stdout"))?;
|
||||
|
||||
// start btrfs receive
|
||||
let remote_path = opt
|
||||
.remote
|
||||
.path
|
||||
.to_str()
|
||||
.ok_or_else(|| anyhow::format_err!("path not utf-8"))?;
|
||||
let mut receive = session.channel_session()?;
|
||||
receive.exec(&format!(r#"btrfs receive "{}""#, remote_path,))?;
|
||||
|
||||
// pipe send to receive
|
||||
let num_bytes = io::copy(&mut send_stdout, &mut receive)?;
|
||||
info!("[{}] sent {} bytes", snapshot, num_bytes);
|
||||
|
||||
// wait for send to complete
|
||||
let local_out = send.wait_with_output()?;
|
||||
if !local_out.status.success() {
|
||||
let stderr = std::str::from_utf8(&local_out.stderr)
|
||||
.unwrap_or("failed to parse stderr, not valid utf8");
|
||||
anyhow::bail!("btrfs send failed\nstderr:\n{}", stderr);
|
||||
}
|
||||
|
||||
// wait for receive to complete
|
||||
receive.send_eof()?;
|
||||
let mut remote_err = String::new();
|
||||
receive.stderr().read_to_string(&mut remote_err)?;
|
||||
receive.wait_close()?;
|
||||
let status = receive.exit_status()?;
|
||||
if status != 0 {
|
||||
anyhow::bail!("btrfs receive failed\nstderr:\n{}", remote_err);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
0
src/file.rs
Normal file
0
src/file.rs
Normal file
27
src/local.rs
Normal file
27
src/local.rs
Normal file
@ -0,0 +1,27 @@
|
||||
use crate::FileList;
|
||||
use crate::Opt;
|
||||
use chrono::DateTime;
|
||||
use std::collections::BTreeMap;
|
||||
use std::fs::*;
|
||||
|
||||
pub fn file_list(opt: &Opt) -> anyhow::Result<FileList> {
|
||||
let mut list = BTreeMap::new();
|
||||
|
||||
for entry in read_dir(&opt.path)? {
|
||||
let entry = entry?;
|
||||
|
||||
if !entry.file_type()?.is_dir() {
|
||||
continue;
|
||||
}
|
||||
|
||||
let name = match entry.file_name().into_string() {
|
||||
Ok(name) => name,
|
||||
Err(_) => continue,
|
||||
};
|
||||
|
||||
let date = DateTime::parse_from_rfc3339(&name)?;
|
||||
list.insert(date, name);
|
||||
}
|
||||
|
||||
Ok(list)
|
||||
}
|
||||
71
src/main.rs
Normal file
71
src/main.rs
Normal file
@ -0,0 +1,71 @@
|
||||
#[macro_use]
|
||||
extern crate log;
|
||||
|
||||
mod actions;
|
||||
mod local;
|
||||
mod planner;
|
||||
mod remote;
|
||||
mod snapshot;
|
||||
|
||||
use actions::{list, show_plan, sync};
|
||||
use chrono::{DateTime, FixedOffset};
|
||||
use clap::{AppSettings, Clap};
|
||||
use remote::Remote;
|
||||
use std::collections::BTreeMap;
|
||||
use std::path::PathBuf;
|
||||
|
||||
pub type TimeStamp = DateTime<FixedOffset>;
|
||||
pub type FileList = BTreeMap<TimeStamp, String>;
|
||||
|
||||
/// Backup btrfs snapshots over SSH
|
||||
#[derive(Clap)]
|
||||
#[clap(setting = AppSettings::ColoredHelp)]
|
||||
pub struct Opt {
|
||||
/// The path of the backup directory on the local filesystem
|
||||
#[clap(short = 'l', long)]
|
||||
path: PathBuf,
|
||||
|
||||
/// The ssh remote for the backup (user@host:port:path)
|
||||
#[clap(short, long)]
|
||||
remote: Remote,
|
||||
|
||||
/// The SSH privkey file for the remote
|
||||
#[clap(long)]
|
||||
privkey: PathBuf,
|
||||
|
||||
/// The password for the SSH privkey file
|
||||
#[clap(long)]
|
||||
privkey_pass: Option<String>,
|
||||
|
||||
#[clap(subcommand)]
|
||||
action: Action,
|
||||
}
|
||||
|
||||
#[derive(Clap)]
|
||||
pub enum Action {
|
||||
/// Perform a backup
|
||||
Backup {
|
||||
#[clap(long)]
|
||||
all: bool,
|
||||
},
|
||||
|
||||
/// Generate and show a backup plan
|
||||
ShowPlan,
|
||||
|
||||
/// List all backups, and where they reside
|
||||
List,
|
||||
}
|
||||
|
||||
fn main() -> anyhow::Result<()> {
|
||||
let opt = Opt::parse();
|
||||
|
||||
pretty_env_logger::init();
|
||||
|
||||
match opt.action {
|
||||
Action::Backup { all } => sync::run(&opt, all)?,
|
||||
Action::ShowPlan => show_plan::run(&opt)?,
|
||||
Action::List => list::run(&opt)?,
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
81
src/planner.rs
Normal file
81
src/planner.rs
Normal file
@ -0,0 +1,81 @@
|
||||
use crate::{FileList, TimeStamp};
|
||||
use std::collections::{BTreeMap, BTreeSet};
|
||||
|
||||
#[derive(Clone, Copy, Debug)]
|
||||
pub enum Presence {
|
||||
Local,
|
||||
Remote,
|
||||
LocalAndRemote,
|
||||
}
|
||||
|
||||
/// For every local file that is not in the remote, return a backup plan.
|
||||
pub fn presence(local: &FileList, remote: &FileList) -> BTreeMap<TimeStamp, Presence> {
|
||||
let mut presence = BTreeMap::new();
|
||||
|
||||
for &file in local.keys() {
|
||||
presence.insert(file, Presence::Local);
|
||||
}
|
||||
|
||||
for &file in remote.keys() {
|
||||
let entry = presence.entry(file).or_insert(Presence::Remote);
|
||||
|
||||
if let Presence::Local = *entry {
|
||||
*entry = Presence::LocalAndRemote;
|
||||
}
|
||||
}
|
||||
|
||||
presence
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug)]
|
||||
pub enum TransferKind {
|
||||
Full,
|
||||
DeltaFrom(TimeStamp),
|
||||
}
|
||||
|
||||
pub struct Plan {
|
||||
/// The most recent common file
|
||||
pub last_common: Option<TimeStamp>,
|
||||
|
||||
/// The list of planned transfers
|
||||
pub transfers: BTreeMap<TimeStamp, TransferKind>,
|
||||
}
|
||||
|
||||
/// For every local file that is not in the remote, return a backup plan.
|
||||
///
|
||||
/// The backup plans may depend on each other, so they must be executed in order.
|
||||
pub fn plan(local: &FileList, remote: &FileList) -> Plan {
|
||||
// go through the local files in order, starting with the latest
|
||||
let upload_list: BTreeSet<_> = local
|
||||
.keys()
|
||||
.rev()
|
||||
// keep going while the file doesn't exist in the remote
|
||||
.take_while(|ts| !remote.contains_key(ts))
|
||||
.collect();
|
||||
|
||||
// find the closest parent file of the first planned upload
|
||||
let head_item = upload_list.iter().next().copied();
|
||||
let last_common = head_item
|
||||
.and_then(|&first| local.range(..first).last())
|
||||
.map(|(&entry, _)| entry);
|
||||
let head_item_plan = last_common
|
||||
.map(TransferKind::DeltaFrom)
|
||||
.unwrap_or(TransferKind::Full);
|
||||
|
||||
let tail_items_plan = upload_list
|
||||
.iter()
|
||||
.skip(1)
|
||||
.zip(upload_list.iter())
|
||||
.map(|(&&child, &&parent)| (child, TransferKind::DeltaFrom(parent)));
|
||||
|
||||
let transfers = head_item
|
||||
.iter()
|
||||
.map(|&&head| (head, head_item_plan))
|
||||
.chain(tail_items_plan)
|
||||
.collect();
|
||||
|
||||
Plan {
|
||||
transfers,
|
||||
last_common,
|
||||
}
|
||||
}
|
||||
82
src/remote.rs
Normal file
82
src/remote.rs
Normal file
@ -0,0 +1,82 @@
|
||||
use crate::FileList;
|
||||
use crate::Opt;
|
||||
use chrono::DateTime;
|
||||
use ssh2::Session;
|
||||
use std::collections::BTreeMap;
|
||||
use std::io::Read;
|
||||
use std::net::TcpStream;
|
||||
use std::path::PathBuf;
|
||||
use std::str::FromStr;
|
||||
|
||||
pub struct Remote {
|
||||
pub username: String,
|
||||
pub remote: String,
|
||||
pub path: PathBuf,
|
||||
}
|
||||
|
||||
pub fn connect(opt: &Opt) -> anyhow::Result<Session> {
|
||||
let stream = TcpStream::connect(&opt.remote.remote)?;
|
||||
let mut session = Session::new()?;
|
||||
session.set_tcp_stream(stream);
|
||||
session.handshake()?;
|
||||
info!(
|
||||
r#"connecting to {}@{}"#,
|
||||
opt.remote.username, opt.remote.remote,
|
||||
);
|
||||
session.userauth_pubkey_file(
|
||||
&opt.remote.username,
|
||||
None,
|
||||
&opt.privkey,
|
||||
opt.privkey_pass.as_deref(),
|
||||
)?;
|
||||
if !session.authenticated() {
|
||||
anyhow::bail!("ssh not authenticated");
|
||||
}
|
||||
|
||||
Ok(session)
|
||||
}
|
||||
|
||||
pub fn file_list(opt: &Opt, session: &Session) -> anyhow::Result<FileList> {
|
||||
let mut channel = session.channel_session()?;
|
||||
channel.exec(&format!(
|
||||
r#"ls -1N "{}""#,
|
||||
opt.remote
|
||||
.path
|
||||
.to_str()
|
||||
.ok_or_else(|| anyhow::format_err!("path not utf-8"))?
|
||||
))?;
|
||||
let mut output = String::new();
|
||||
channel.read_to_string(&mut output)?;
|
||||
|
||||
let mut list = BTreeMap::new();
|
||||
for file in output.lines() {
|
||||
let date = DateTime::parse_from_rfc3339(file)?;
|
||||
//let path = PathBuf::from(file);
|
||||
list.insert(date, file.to_string());
|
||||
}
|
||||
|
||||
Ok(list)
|
||||
}
|
||||
|
||||
impl FromStr for Remote {
|
||||
type Err = anyhow::Error;
|
||||
|
||||
// user@remote:path
|
||||
// remote = host:port
|
||||
fn from_str(s: &str) -> Result<Self, <Self as FromStr>::Err> {
|
||||
let (s, path) = s
|
||||
.rsplit_once(':')
|
||||
.ok_or_else(|| anyhow::format_err!("Missing ...:path"))?;
|
||||
let path = PathBuf::from_str(path)?;
|
||||
|
||||
let (username, remote) = s
|
||||
.split_once('@')
|
||||
.ok_or_else(|| anyhow::format_err!("Missing user@..."))?;
|
||||
|
||||
Ok(Remote {
|
||||
username: username.to_string(),
|
||||
remote: remote.to_string(),
|
||||
path,
|
||||
})
|
||||
}
|
||||
}
|
||||
0
src/snapshot.rs
Normal file
0
src/snapshot.rs
Normal file
Reference in New Issue
Block a user