Initial commit.
This commit is contained in:
raute
commit
2179a13aa6
1
.gitignore
vendored
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1
.gitignore
vendored
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@ -0,0 +1 @@
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target
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209
Cargo.lock
generated
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209
Cargo.lock
generated
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@ -0,0 +1,209 @@
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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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[[package]]
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name = "aho-corasick"
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version = "0.7.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "043164d8ba5c4c3035fec9bbee8647c0261d788f3474306f93bb65901cae0e86"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "ansi_term"
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version = "0.11.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
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dependencies = [
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"winapi",
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]
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[[package]]
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name = "atty"
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version = "0.2.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
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dependencies = [
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"hermit-abi",
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"libc",
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"winapi",
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]
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[[package]]
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name = "autocfg"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
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[[package]]
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name = "bekape"
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version = "0.1.0"
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dependencies = [
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"chrono",
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"clap",
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"regex",
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]
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[[package]]
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name = "bitflags"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
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[[package]]
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name = "chrono"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"num-integer",
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"num-traits",
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"time",
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]
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[[package]]
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name = "clap"
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version = "2.33.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bdfa80d47f954d53a35a64987ca1422f495b8d6483c0fe9f7117b36c2a792129"
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dependencies = [
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"ansi_term",
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"atty",
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"bitflags",
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"strsim",
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"textwrap",
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"unicode-width",
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"vec_map",
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]
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[[package]]
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name = "hermit-abi"
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version = "0.1.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b9586eedd4ce6b3c498bc3b4dd92fc9f11166aa908a914071953768066c67909"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "lazy_static"
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version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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[[package]]
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name = "libc"
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version = "0.2.71"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
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[[package]]
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name = "memchr"
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version = "2.3.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
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[[package]]
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name = "num-integer"
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version = "0.1.43"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
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dependencies = [
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"autocfg",
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"num-traits",
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]
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[[package]]
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name = "num-traits"
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version = "0.2.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
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dependencies = [
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"autocfg",
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]
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[[package]]
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name = "regex"
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version = "1.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c3780fcf44b193bc4d09f36d2a3c87b251da4a046c87795a0d35f4f927ad8e6"
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dependencies = [
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"aho-corasick",
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"memchr",
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"regex-syntax",
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"thread_local",
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]
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[[package]]
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name = "regex-syntax"
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version = "0.6.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
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[[package]]
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name = "strsim"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
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[[package]]
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name = "textwrap"
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version = "0.11.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
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dependencies = [
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"unicode-width",
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]
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[[package]]
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name = "thread_local"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
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||||
dependencies = [
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"lazy_static",
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]
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||||
[[package]]
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name = "time"
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||||
version = "0.1.43"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
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||||
dependencies = [
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||||
"libc",
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"winapi",
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]
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[[package]]
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name = "unicode-width"
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version = "0.1.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
[[package]]
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name = "vec_map"
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version = "0.8.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
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||||
[[package]]
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name = "winapi"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
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dependencies = [
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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]
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[[package]]
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name = "winapi-i686-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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||||
[[package]]
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name = "winapi-x86_64-pc-windows-gnu"
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||||
version = "0.4.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
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10
Cargo.toml
Normal file
10
Cargo.toml
Normal file
@ -0,0 +1,10 @@
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[package]
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name = "bekape"
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version = "0.1.0"
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authors = ["raute"]
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edition = "2018"
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[dependencies]
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chrono = "0.4"
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clap = "2.33"
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regex = "1.3"
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8
README.md
Normal file
8
README.md
Normal file
@ -0,0 +1,8 @@
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# Bekape
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I want to produce a very simple backup program that can be used by people who know nothing about their computer.
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It will need an easy GUI that lets you choose the folder to backup and an external drive and start the backup.
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For now there is no GUI, just a first try to to incremental backups using hardlinks.
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Pre-alpha. You really don't want to use this yet.
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127
src/main.rs
Normal file
127
src/main.rs
Normal file
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use clap::{App, Arg};
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use regex::Regex;
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use std::fs;
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use std::time::SystemTime;
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use std::vec::Vec;
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fn browse_recursively(dir: &str) -> (Vec<String>, Vec<String>) {
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let mut content = Vec::new();
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let mut errors = Vec::new();
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let ls = fs::read_dir(dir);
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if let Ok(ls) = ls {
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for entry in ls {
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if let Ok(entry) = entry {
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let full_path = entry.path().to_string_lossy().to_string();
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if let Ok(file_type) = entry.file_type() {
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if file_type.is_dir() {
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let mut result = browse_recursively(&full_path);
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content.append(&mut result.0);
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errors.append(&mut result.1);
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} else {
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content.push(full_path);
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}
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} else {
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errors.push(full_path);
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}
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}
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}
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} else {
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errors.push(dir.to_string());
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}
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(content, errors)
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}
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fn get_file_metadata(file: &str) -> (SystemTime, u64) {
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if let Ok(metadata) = fs::metadata(file) {
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let time = metadata.modified().unwrap_or(std::time::UNIX_EPOCH);
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let size = metadata.len();
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return (time, size);
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};
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(std::time::UNIX_EPOCH, 0)
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}
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fn backup_element(path: &str, src_root: &str, bkp_root: &str, prev_bkp_root: &Option<String>) {
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let src_file = format!("{}{}", src_root, path);
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let bkp_file = format!("{}{}", bkp_root, path);
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let p = bkp_file.rfind('/').unwrap(); // TODO: Is unwrap okay here?
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let bkp_folder = bkp_file[0..p].to_string();
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let _ = fs::create_dir_all(&bkp_folder);
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let mut backup_done = false;
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if let Some(prev_bkp_root) = prev_bkp_root {
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let prev_bkp_file = format!("{}{}", prev_bkp_root, path);
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if std::path::Path::new(&prev_bkp_file).exists() {
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let prev_bkp_metadata = get_file_metadata(&prev_bkp_file);
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let src_metadata = get_file_metadata(&src_file);
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backup_done = prev_bkp_metadata.0 > src_metadata.0
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&& prev_bkp_metadata.1 == src_metadata.1
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&& fs::hard_link(&prev_bkp_file, &bkp_file).is_ok();
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}
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}
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if !backup_done && fs::copy(&src_file, &bkp_file).is_err() {
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eprintln!("Could not copy: {} -> {}", src_file, bkp_file);
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}
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}
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fn main() {
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let matches = App::new("bekape")
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.about("Simple backup program.")
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.arg(
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Arg::with_name("source")
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.help("The folder to backup")
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.required(true),
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)
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.arg(
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Arg::with_name("destination")
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.help("The folder to store the backup")
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.required(true),
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)
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.get_matches();
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let bkp_src = matches.value_of("source").unwrap();
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let bkp_dst = matches.value_of("destination").unwrap();
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let dt = chrono::offset::Utc::now().format("%Y-%m-%d_%H-%M-%S");
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let backup_folder = format!("{}/backup_{}_wip", bkp_dst, dt);
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if fs::create_dir(&backup_folder).is_err() {
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eprintln!("Could not create backup directory: {}", &backup_folder);
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std::process::exit(1);
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}
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// find previous backup
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let backup_regex = Regex::new(r"backup_\d{4}-\d{2}-\d{2}_\d{2}-\d{2}-\d{2}$").unwrap();
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let ls = fs::read_dir(bkp_dst);
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let prev_backup = if let Ok(ls) = ls {
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let mut ls = ls
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.filter_map(|s| s.ok())
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.map(|s| s.path().to_string_lossy().trim().to_owned())
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.filter(|s| backup_regex.is_match(&s))
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.collect::<Vec<_>>();
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if ls.is_empty() {
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None
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||||
} else {
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||||
ls.sort();
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||||
ls.last().cloned()
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||||
}
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||||
} else {
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||||
None
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||||
};
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||||
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||||
let result = browse_recursively(&bkp_src);
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||||
let content = result.0.iter().map(|s| {
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||||
let l = bkp_src.len();
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||||
s[l..].to_string()
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||||
});
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||||
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||||
for err in result.1 {
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||||
eprintln!("Could not read {}.", err);
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}
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||||
for elem in content {
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backup_element(&elem, &bkp_src, &backup_folder, &prev_backup);
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||||
}
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||||
let new_name = backup_folder.replace("_wip", "");
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||||
if fs::rename(&backup_folder, &new_name).is_err() {
|
||||
eprintln!("Could not rename folder.");
|
||||
}
|
||||
}
|
||||
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