Merge pull request #104 from Pi-Cla/edition-2021

Bump Rust edition, use caret requirements, upgrade to clap 4

3 files changed, 519 insertions, 303 deletions

diff --git a/Cargo.lock b/Cargo.lock
index ba829b5..9fe48db 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,163 +3,169 @@
 version = 3
 
 [[package]]
-name = "ansi_term"
-version = "0.11.0"
+name = "anstream"
+version = "0.6.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
+checksum = "d96bd03f33fe50a863e394ee9718a706f988b9079b20c3784fb726e7678b62fb"
 dependencies = [
- "winapi",
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
 ]
 
 [[package]]
-name = "anyhow"
-version = "1.0.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1fd36ffbb1fb7c834eac128ea8d0e310c5aeb635548f9d58861e1308d46e71c"
-
-[[package]]
-name = "arrayref"
-version = "0.3.6"
+name = "anstyle"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
+checksum = "8901269c6307e8d93993578286ac0edf7f195079ffff5ebdeea6a59ffb7e36bc"
 
 [[package]]
-name = "arrayvec"
-version = "0.5.1"
+name = "anstyle-parse"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
+checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
+dependencies = [
+ "utf8parse",
+]
 
 [[package]]
-name = "atty"
-version = "0.2.14"
+name = "anstyle-query"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
 dependencies = [
- "hermit-abi",
- "libc",
- "winapi",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
-name = "autocfg"
-version = "1.0.1"
+name = "anstyle-wincon"
+version = "3.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.52.0",
+]
 
 [[package]]
-name = "base64"
-version = "0.12.3"
+name = "anyhow"
+version = "1.0.81"
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-checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+checksum = "0952808a6c2afd1aa8947271f3a60f1a6763c7b912d210184c5149b5cf147247"
 
 [[package]]
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-version = "1.2.1"
+version = "1.3.2"
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-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
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-version = "2.4.1"
+version = "2.5.0"
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-checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "arrayref",
- "arrayvec",
- "constant_time_eq",
-]
+checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
 
 [[package]]
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-version = "1.0.60"
+version = "1.0.90"
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-checksum = "ef611cc68ff783f18535d77ddd080185275713d852c4f5cbb6122c462a7a825c"
+checksum = "8cd6604a82acf3039f1144f54b8eb34e91ffba622051189e71b781822d5ee1f5"
 dependencies = [
  "jobserver",
+ "libc",
 ]
 
 [[package]]
 name = "cfg-if"
-version = "0.1.10"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
-name = "chrono"
-version = "0.4.19"
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+checksum = "949626d00e063efc93b6dca932419ceb5432f99769911c0b995f7e884c778813"
 dependencies = [
- "libc",
- "num-integer",
- "num-traits",
- "time",
- "winapi",
+ "clap_builder",
 ]
 
 [[package]]
-name = "clap"
-version = "2.33.3"
+name = "clap_builder"
+version = "4.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
+checksum = "ae129e2e766ae0ec03484e609954119f123cc1fe650337e155d03b022f24f7b4"
 dependencies = [
- "ansi_term",
- "atty",
- "bitflags 1.2.1",
+ "anstream",
+ "anstyle",
+ "clap_lex",
  "strsim",
- "textwrap",
- "unicode-width",
- "vec_map",
+ "terminal_size",
+]
+
+[[package]]
+name = "clap_complete"
+version = "4.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "885e4d7d5af40bfb99ae6f9433e292feac98d452dcb3ec3d25dfe7552b77da8c"
+dependencies = [
+ "clap",
 ]
 
 [[package]]
-name = "constant_time_eq"
-version = "0.1.5"
+name = "clap_lex"
+version = "0.7.0"
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-checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
+checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
+
+[[package]]
+name = "colorchoice"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
 [[package]]
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-checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
+checksum = "ab3db02a9c5b5121e1e42fbdb1aeb65f5e02624cc58c43f2884c6ccac0b82f95"
 dependencies = [
  "crossbeam-utils",
- "maybe-uninit",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.8.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+checksum = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345"
+
+[[package]]
+name = "deranged"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
 dependencies = [
- "autocfg",
- "cfg-if",
- "lazy_static",
+ "powerfmt",
 ]
 
 [[package]]
-name = "dirs"
-version = "2.0.2"
+name = "dirs-next"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13aea89a5c93364a98e9b37b2fa237effbb694d5cfe01c5b70941f7eb087d5e3"
+checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
 dependencies = [
  "cfg-if",
- "dirs-sys",
+ "dirs-sys-next",
 ]
 
 [[package]]
-name = "dirs-sys"
-version = "0.3.5"
+name = "dirs-sys-next"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e93d7f5705de3e49895a2b5e0b8855a1c27f080192ae9c32a6432d50741a57a"
+checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
 dependencies = [
  "libc",
  "redox_users",
@@ -167,14 +173,39 @@ dependencies = [
 ]
 
 [[package]]
+name = "errno"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "fastrand"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
+
+[[package]]
+name = "form_urlencoded"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13624c2627564efccf4934284bdd98cbaa14e79b0b5a141218e507b3a823456"
+dependencies = [
+ "percent-encoding",
+]
+
+[[package]]
 name = "getrandom"
-version = "0.1.15"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc587bc0ec293155d5bfa6b9891ec18a1e330c234f896ea47fbada4cadbe47e6"
+checksum = "190092ea657667030ac6a35e305e62fc4dd69fd98ac98631e5d3a2b1575a12b5"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -183,6 +214,7 @@ version = "0.6.12"
 dependencies = [
  "anyhow",
  "clap",
+ "clap_complete",
  "git2",
  "memchr",
  "slog",
@@ -193,11 +225,11 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.18.1"
+version = "0.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbf97ba92db08df386e10c8ede66a2a0369bd277090afd8710e19e38de9ec0cd"
+checksum = "232e6a7bfe35766bf715e55a88b39a700596c0ccfd88cd3680b4cdb40d66ef70"
 dependencies = [
- "bitflags 2.4.1",
+ "bitflags 2.5.0",
  "libc",
  "libgit2-sys",
  "log",
@@ -206,44 +238,51 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.17"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
-dependencies = [
- "libc",
-]
+checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
 [[package]]
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-version = "0.2.0"
+version = "0.5.0"
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-checksum = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
+checksum = "634d9b1461af396cad843f47fdba5597a4f9e6ddd4bfb6ff5d85028c25cb12f6"
 dependencies = [
- "matches",
  "unicode-bidi",
  "unicode-normalization",
 ]
 
 [[package]]
-name = "jobserver"
-version = "0.1.21"
+name = "is-terminal"
+version = "0.4.12"
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-checksum = "5c71313ebb9439f74b00d9d2dcec36440beaf57a6aa0623068441dd7cd81a7f2"
+checksum = "f23ff5ef2b80d608d61efee834934d862cd92461afc0560dedf493e4c033738b"
 dependencies = [
+ "hermit-abi",
  "libc",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
-name = "lazy_static"
-version = "1.4.0"
+name = "itoa"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
+
+[[package]]
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+version = "0.1.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab46a6e9526ddef3ae7f787c06f0f2600639ba80ea3eade3d8e670a2230f51d6"
+dependencies = [
+ "libc",
+]
 
 [[package]]
 name = "libc"
-version = "0.2.79"
+version = "0.2.153"
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-checksum = "2448f6066e80e3bfc792e9c98bf705b4b0fc6e8ef5b43e5889aff0eaa9c58743"
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 [[package]]
 name = "libgit2-sys"
@@ -258,177 +297,164 @@ dependencies = [
 ]
 
 [[package]]
-name = "libz-sys"
-version = "1.1.2"
+name = "libredox"
+version = "0.0.1"
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-checksum = "602113192b08db8f38796c4e85c39e960c145965140e918018bcde1952429655"
+checksum = "85c833ca1e66078851dba29046874e38f08b2c883700aa29a03ddd3b23814ee8"
 dependencies = [
- "cc",
+ "bitflags 2.5.0",
  "libc",
- "pkg-config",
- "vcpkg",
+ "redox_syscall",
 ]
 
 [[package]]
-name = "log"
-version = "0.4.11"
+name = "libz-sys"
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-checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
+checksum = "5e143b5e666b2695d28f6bca6497720813f699c9602dd7f5cac91008b8ada7f9"
 dependencies = [
- "cfg-if",
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
 ]
 
 [[package]]
-name = "matches"
-version = "0.1.8"
+name = "linux-raw-sys"
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+checksum = "01cda141df6706de531b6c46c3a33ecca755538219bd484262fa09410c13539c"
 
 [[package]]
-name = "maybe-uninit"
-version = "2.0.0"
+name = "log"
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-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
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 [[package]]
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-dependencies = [
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- "num-traits",
-]
-
-[[package]]
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-checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
-dependencies = [
- "autocfg",
-]
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
 
 [[package]]
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+checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
 [[package]]
 name = "pkg-config"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d36492546b6af1463394d46f0c834346f31548646f6ba10849802c9c9a27ac33"
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 [[package]]
-name = "ppv-lite86"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c36fa947111f5c62a733b652544dd0016a43ce89619538a8ef92724a6f501a20"
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 [[package]]
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-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
+checksum = "e835ff2298f5721608eb1a980ecaee1aef2c132bf95ecc026a11b7bf3c01c02e"
 dependencies = [
- "getrandom",
- "libc",
- "rand_chacha",
- "rand_core",
- "rand_hc",
+ "unicode-ident",
 ]
 
 [[package]]
-name = "rand_chacha"
-version = "0.2.2"
+name = "quote"
+version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
- "ppv-lite86",
- "rand_core",
+ "proc-macro2",
 ]
 
 [[package]]
-name = "rand_core"
-version = "0.5.1"
+name = "redox_syscall"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
 dependencies = [
- "getrandom",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.2.0"
+name = "redox_users"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+checksum = "a18479200779601e498ada4e8c1e1f50e3ee19deb0259c25825a98b5603b2cb4"
 dependencies = [
- "rand_core",
+ "getrandom",
+ "libredox",
+ "thiserror",
 ]
 
 [[package]]
-name = "redox_syscall"
-version = "0.1.57"
+name = "rustix"
+version = "0.38.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
+checksum = "65e04861e65f21776e67888bfbea442b3642beaa0138fdb1dd7a84a52dffdb89"
+dependencies = [
+ "bitflags 2.5.0",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.52.0",
+]
 
 [[package]]
-name = "redox_users"
-version = "0.3.5"
+name = "rustversion"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de0737333e7a9502c789a36d7c7fa6092a49895d4faa31ca5df163857ded2e9d"
-dependencies = [
- "getrandom",
- "redox_syscall",
- "rust-argon2",
-]
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
 
 [[package]]
-name = "remove_dir_all"
-version = "0.5.3"
+name = "serde"
+version = "1.0.197"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+checksum = "3fb1c873e1b9b056a4dc4c0c198b24c3ffa059243875552b2bd0933b1aee4ce2"
 dependencies = [
- "winapi",
+ "serde_derive",
 ]
 
 [[package]]
-name = "rust-argon2"
-version = "0.8.2"
+name = "serde_derive"
+version = "1.0.197"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dab61250775933275e84053ac235621dfb739556d5c54a2f2e9313b7cf43a19"
+checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
 dependencies = [
- "base64",
- "blake2b_simd",
- "constant_time_eq",
- "crossbeam-utils",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
 name = "slog"
-version = "2.5.2"
+version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cc9c640a4adbfbcc11ffb95efe5aa7af7309e002adab54b185507dbf2377b99"
+checksum = "8347046d4ebd943127157b94d63abb990fcf729dc4e9978927fdf4ac3c998d06"
 
 [[package]]
 name = "slog-async"
-version = "2.5.0"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51b3336ce47ce2f96673499fc07eb85e3472727b9a7a2959964b002c2ce8fbbb"
+checksum = "72c8038f898a2c79507940990f05386455b3a317d8f18d4caea7cbc3d5096b84"
 dependencies = [
  "crossbeam-channel",
  "slog",
@@ -438,22 +464,33 @@ dependencies = [
 
 [[package]]
 name = "slog-term"
-version = "2.6.0"
+version = "2.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bab1d807cf71129b05ce36914e1dbb6fbfbdecaf686301cb457f4fa967f9f5b6"
+checksum = "b6e022d0b998abfe5c3782c1f03551a596269450ccd677ea51c56f8b214610e8"
 dependencies = [
- "atty",
- "chrono",
+ "is-terminal",
  "slog",
  "term",
  "thread_local",
+ "time",
 ]
 
 [[package]]
 name = "strsim"
-version = "0.8.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+checksum = "5ee073c9e4cd00e28217186dbe12796d692868f432bf2e97ee73bed0c56dfa01"
+
+[[package]]
+name = "syn"
+version = "2.0.53"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7383cd0e49fff4b6b90ca5670bfd3e9d6a733b3f90c686605aa7eec8c4996032"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
 
 [[package]]
 name = "take_mut"
@@ -463,121 +500,162 @@ checksum = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
 
 [[package]]
 name = "tempfile"
-version = "3.1.0"
+version = "3.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
+checksum = "85b77fafb263dd9d05cbeac119526425676db3784113aa9295c88498cbf8bff1"
 dependencies = [
  "cfg-if",
- "libc",
- "rand",
- "redox_syscall",
- "remove_dir_all",
- "winapi",
+ "fastrand",
+ "rustix",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
 name = "term"
-version = "0.6.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0863a3345e70f61d613eab32ee046ccd1bcc5f9105fe402c61fcd0c13eeb8b5"
+checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
 dependencies = [
- "dirs",
+ "dirs-next",
+ "rustversion",
  "winapi",
 ]
 
 [[package]]
-name = "textwrap"
-version = "0.11.0"
+name = "terminal_size"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+checksum = "21bebf2b7c9e0a515f6e0f8c51dc0f8e4696391e6f1ff30379559f8365fb0df7"
 dependencies = [
- "unicode-width",
+ "rustix",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03468839009160513471e86a034bb2c5c0e4baae3b43f79ffc55c4a5427b3297"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c61f3ba182994efc43764a46c018c347bc492c79f024e705f46567b418f6d4f7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
 name = "thread_local"
-version = "1.1.4"
+version = "1.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5516c27b78311c50bf42c071425c560ac799b11c30b31f87e3081965fe5e0180"
+checksum = "8b9ef9bad013ada3808854ceac7b46812a6465ba368859a37e2100283d2d719c"
 dependencies = [
+ "cfg-if",
  "once_cell",
 ]
 
 [[package]]
 name = "time"
-version = "0.1.44"
+version = "0.3.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+checksum = "c8248b6521bb14bc45b4067159b9b6ad792e2d6d754d6c41fb50e29fefe38749"
 dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi",
+ "deranged",
+ "itoa",
+ "num-conv",
+ "powerfmt",
+ "serde",
+ "time-core",
+ "time-macros",
 ]
 
 [[package]]
-name = "tinyvec"
-version = "0.3.4"
+name = "time-core"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "238ce071d267c5710f9d31451efec16c5ee22de34df17cc05e56cbc92e967117"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
 
 [[package]]
-name = "unicode-bidi"
-version = "0.3.4"
+name = "time-macros"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
+checksum = "7ba3a3ef41e6672a2f0f001392bb5dcd3ff0a9992d618ca761a11c3121547774"
 dependencies = [
- "matches",
+ "num-conv",
+ "time-core",
 ]
 
 [[package]]
-name = "unicode-normalization"
-version = "0.1.13"
+name = "tinyvec"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fb19cf769fa8c6a80a162df694621ebeb4dafb606470b2b2fce0be40a98a977"
+checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
 dependencies = [
- "tinyvec",
+ "tinyvec_macros",
 ]
 
 [[package]]
-name = "unicode-width"
-version = "0.1.8"
+name = "tinyvec_macros"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
+checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
-name = "url"
-version = "2.1.1"
+name = "unicode-bidi"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08f95100a766bf4f8f28f90d77e0a5461bbdb219042e7679bebe79004fed8d75"
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "829d4a8476c35c9bf0bbce5a3b23f4106f79728039b726d292bb93bc106787cb"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
+
+[[package]]
+name = "unicode-normalization"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a56d1686db2308d901306f92a263857ef59ea39678a5458e7cb17f01415101f5"
 dependencies = [
- "idna",
- "matches",
- "percent-encoding",
+ "tinyvec",
 ]
 
 [[package]]
-name = "vcpkg"
-version = "0.2.10"
+name = "url"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
+checksum = "31e6302e3bb753d46e83516cae55ae196fc0c309407cf11ab35cc51a4c2a4633"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "percent-encoding",
+]
 
 [[package]]
-name = "vec_map"
-version = "0.8.2"
+name = "utf8parse"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
 [[package]]
-name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
+name = "vcpkg"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
 [[package]]
 name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
+version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "winapi"
@@ -600,3 +678,135 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.4",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dd37b7e5ab9018759f893a1952c9420d060016fc19a472b4bb20d1bdd694d1b"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.4",
+ "windows_aarch64_msvc 0.52.4",
+ "windows_i686_gnu 0.52.4",
+ "windows_i686_msvc 0.52.4",
+ "windows_x86_64_gnu 0.52.4",
+ "windows_x86_64_gnullvm 0.52.4",
+ "windows_x86_64_msvc 0.52.4",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bcf46cf4c365c6f2d1cc93ce535f2c8b244591df96ceee75d8e83deb70a9cac9"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da9f259dd3bcf6990b55bffd094c4f7235817ba4ceebde8e6d11cd0c5633b675"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b474d8268f99e0995f25b9f095bc7434632601028cf86590aea5c8a5cb7801d3"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1515e9a29e5bed743cb4415a9ecf5dfca648ce85ee42e15873c3cd8610ff8e02"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5eee091590e89cc02ad514ffe3ead9eb6b660aedca2183455434b93546371a03"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77ca79f2451b49fa9e2af39f0747fe999fcda4f5e241b2898624dca97a1f2177"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32b752e52a2da0ddfbdbcc6fceadfeede4c939ed16d13e648833a61dfb611ed8"
diff --git a/Cargo.toml b/Cargo.toml
index 9e125fa..2496df7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,29 +8,31 @@ homepage = "https://github.com/tummychow/git-absorb"
 repository = "https://github.com/tummychow/git-absorb"
 readme = "README.md"
 license = "BSD-3-Clause"
-edition = "2018"
+edition = "2021"
 
 include = [
     "**/*.rs",
     "Cargo.*",
     "*.md",
 ]
+rust-version = "1.74.1"
 
 [[bin]]
 name = "git-absorb"
 path = "src/main.rs"
 
 [dependencies.git2]
-version = "~0.18"
+version = "0.18"
 default-features = false
 
 [dependencies]
-clap = "~2.33"
-slog = "~2.5"
-slog-term = "~2.6"
-slog-async = "~2.5"
-memchr = "~2.3"
-anyhow = "~1.0"
+clap = { version = "4", features = ["cargo", "wrap_help"] }
+clap_complete = "4"
+slog = "2.5"
+slog-term = "2.6"
+slog-async = "2.5"
+memchr = "2.3"
+anyhow = "1.0"
 
 [dev-dependencies]
-tempfile = "~3.1"
+tempfile = "3.1"
diff --git a/src/main.rs b/src/main.rs
index 26d0edc..cd75d75 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,89 +4,93 @@ extern crate clap;
 #[macro_use]
 extern crate slog;
 
-use clap::Shell;
+use clap::ArgAction;
+use clap_complete::{generate, Shell};
 use slog::Drain;
 use std::io;
 
 fn main() {
-    let args = app_from_crate!()
+    let args = command!()
         .about("Automatically absorb staged changes into your current branch")
         .arg(
-            clap::Arg::with_name("base")
+            clap::Arg::new("base")
                 .help("Use this commit as the base of the absorb stack")
-                .short("b")
-                .long("base")
-                .takes_value(true),
+                .short('b')
+                .long("base"),
         )
         .arg(
-            clap::Arg::with_name("dry-run")
+            clap::Arg::new("dry-run")
                 .help("Don't make any actual changes")
-                .short("n")
+                .short('n')
                 .long("dry-run")
-                .takes_value(false),
+                .action(ArgAction::SetTrue),
         )
         .arg(
-            clap::Arg::with_name("force")
+            clap::Arg::new("force")
                 .help("Skip safety checks")
-                .short("f")
+                .short('f')
                 .long("force")
-                .takes_value(false),
+                .action(ArgAction::SetTrue),
         )
         .arg(
-            clap::Arg::with_name("verbose")
+            clap::Arg::new("verbose")
                 .help("Display more output")
-                .short("v")
+                .short('v')
                 .long("verbose")
-