diff --git a/.github/workflows/hotpath-comment.yml b/.github/workflows/hotpath-comment.yml
new file mode 100644
index 0000000..395a533
--- /dev/null
+++ b/.github/workflows/hotpath-comment.yml
@@ -0,0 +1,57 @@
+name: Hotpath Comment
+
+on:
+ workflow_run:
+ workflows: ["Hotpath Profile"]
+ types:
+ - completed
+
+permissions:
+ pull-requests: write
+
+jobs:
+ comment:
+ runs-on: ubuntu-latest
+ if: ${{ github.event.workflow_run.conclusion == 'success' }}
+
+ steps:
+ - name: Download profiling results
+ uses: actions/download-artifact@v4
+ with:
+ name: hotpath-results
+ github-token: ${{ secrets.GITHUB_TOKEN }}
+ run-id: ${{ github.event.workflow_run.id }}
+
+ - name: Read PR number
+ id: pr
+ run: echo "number=$(cat pr_number.txt)" >> $GITHUB_OUTPUT
+
+ - name: Setup Rust
+ uses: actions-rust-lang/setup-rust-toolchain@v1
+
+ - name: Install hotpath CLI
+ run: cargo install hotpath
+
+ - name: Post timing comparison comment
+ env:
+ GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+ run: |
+ hotpath profile-pr \
+ --repo ${{ github.repository }} \
+ --pr-number ${{ steps.pr.outputs.number }} \
+ --head-json head-timing.json \
+ --base-json base-timing.json \
+ --mode timing \
+ --title "โฑ๏ธ Hotpath Timing Profile"
+
+ - name: Post allocation comparison comment
+ env:
+ GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+ run: |
+ hotpath profile-pr \
+ --repo ${{ github.repository }} \
+ --pr-number ${{ steps.pr.outputs.number }} \
+ --head-json head-alloc.json \
+ --base-json base-alloc.json \
+ --mode alloc \
+ --title "๐ Hotpath Allocation Profile"
diff --git a/.github/workflows/hotpath-profile.yml b/.github/workflows/hotpath-profile.yml
new file mode 100644
index 0000000..b367ca2
--- /dev/null
+++ b/.github/workflows/hotpath-profile.yml
@@ -0,0 +1,63 @@
+name: Hotpath Profile
+
+on:
+ pull_request:
+ branches: [ "main" ]
+
+env:
+ CARGO_TERM_COLOR: always
+
+jobs:
+ profile:
+ runs-on: ubuntu-latest
+
+ steps:
+ - name: Checkout PR HEAD
+ uses: actions/checkout@v4
+
+ - name: Setup Rust
+ uses: actions-rust-lang/setup-rust-toolchain@v1
+
+ - name: Run timing profiling on HEAD
+ env:
+ HOTPATH_JSON: "true"
+ run: |
+ cargo run --features='hotpath' 2>&1 | grep '^{"hotpath_profiling_mode"' > head-timing.json
+
+ - name: Run allocation profiling on HEAD
+ env:
+ HOTPATH_JSON: "true"
+ run: |
+ cargo run --features='hotpath,hotpath-alloc-count-total' 2>&1 | grep '^{"hotpath_profiling_mode"' > head-alloc.json
+
+ - name: Checkout base branch
+ uses: actions/checkout@v4
+ with:
+ ref: ${{ github.event.pull_request.base.sha }}
+
+ - name: Run timing profiling on base
+ env:
+ HOTPATH_JSON: "true"
+ run: |
+ cargo run --features='hotpath' 2>&1 | grep '^{"hotpath_profiling_mode"' > base-timing.json
+
+ - name: Run allocation profiling on base
+ env:
+ HOTPATH_JSON: "true"
+ run: |
+ cargo run --features='hotpath,hotpath-alloc-count-total' 2>&1 | grep '^{"hotpath_profiling_mode"' > base-alloc.json
+
+ - name: Save PR number
+ run: echo "${{ github.event.number }}" > pr_number.txt
+
+ - name: Upload profiling results
+ uses: actions/upload-artifact@v4
+ with:
+ name: hotpath-results
+ path: |
+ head-timing.json
+ head-alloc.json
+ base-timing.json
+ base-alloc.json
+ pr_number.txt
+ retention-days: 1
diff --git a/.rustfmt.toml b/.rustfmt.toml
new file mode 100644
index 0000000..9d5c77e
--- /dev/null
+++ b/.rustfmt.toml
@@ -0,0 +1,26 @@
+condense_wildcard_suffixes = true
+doc_comment_code_block_width = 80
+edition = "2024" # Keep in sync with Cargo.toml.
+enum_discrim_align_threshold = 60
+force_explicit_abi = false
+force_multiline_blocks = true
+format_code_in_doc_comments = true
+format_macro_matchers = true
+format_strings = true
+group_imports = "StdExternalCrate"
+hex_literal_case = "Upper"
+imports_granularity = "Crate"
+imports_layout = "HorizontalVertical"
+inline_attribute_width = 60
+match_block_trailing_comma = true
+max_width = 80
+newline_style = "Unix"
+normalize_comments = true
+normalize_doc_attributes = true
+overflow_delimited_expr = true
+struct_field_align_threshold = 60
+tab_spaces = 2
+unstable_features = true
+use_field_init_shorthand = true
+use_try_shorthand = true
+wrap_comments = true
diff --git a/.taplo.toml b/.taplo.toml
new file mode 100644
index 0000000..5a6456b
--- /dev/null
+++ b/.taplo.toml
@@ -0,0 +1,13 @@
+[formatting]
+align_entries = true
+column_width = 100
+compact_arrays = false
+reorder_inline_tables = true
+reorder_keys = true
+
+[[rule]]
+include = [ "**/Cargo.toml" ]
+keys = [ "package" ]
+
+[rule.formatting]
+reorder_keys = false
diff --git a/Cargo.lock b/Cargo.lock
index 3b5c132..c9ed3f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,12 @@
# It is not intended for manual editing.
version = 4
+[[package]]
+name = "adler2"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
+
[[package]]
name = "aho-corasick"
version = "1.1.3"
@@ -17,18 +23,80 @@ version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
+[[package]]
+name = "anstream"
+version = "0.6.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43d5b281e737544384e969a5ccad3f1cdd24b48086a0fc1b2a5262a26b8f4f4a"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
+]
+
[[package]]
name = "anstyle"
version = "1.0.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
+[[package]]
+name = "anstyle-parse"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
+dependencies = [
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
+dependencies = [
+ "anstyle",
+ "once_cell_polyfill",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "arc-swap"
+version = "1.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69f7f8c3906b62b754cd5326047894316021dcfe5a194c8ea52bdd94934a3457"
+
+[[package]]
+name = "ascii"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d92bec98840b8f03a5ff5413de5293bfcd8bf96467cf5452609f939ec6f5de16"
+
[[package]]
name = "autocfg"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
[[package]]
name = "bitflags"
version = "2.9.0"
@@ -41,12 +109,34 @@ version = "3.17.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
+[[package]]
+name = "bytes"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b35204fbdc0b3f4446b89fc1ac2cf84a8a68971995d0bf2e925ec7cd960f9cb3"
+
[[package]]
name = "cast"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
+[[package]]
+name = "cc"
+version = "1.2.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97463e1064cb1b1c1384ad0a0b9c8abd0988e2a91f52606c80ef14aadb63e36"
+dependencies = [
+ "find-msvc-tools",
+ "shlex",
+]
+
[[package]]
name = "cfg-if"
version = "1.0.0"
@@ -59,6 +149,12 @@ version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
+[[package]]
+name = "chunked_transfer"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e4de3bc4ea267985becf712dc6d9eed8b04c953b3fcfb339ebc87acd9804901"
+
[[package]]
name = "ciborium"
version = "0.2.2"
@@ -93,6 +189,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d8aa86934b44c19c50f87cc2790e19f54f7a67aedb64101c2e1a2e5ecfb73944"
dependencies = [
"clap_builder",
+ "clap_derive",
]
[[package]]
@@ -101,8 +198,22 @@ version = "4.5.35"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2414dbb2dd0695280da6ea9261e327479e9d37b0630f6b53ba2a11c60c679fd9"
dependencies = [
+ "anstream",
"anstyle",
"clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.5.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09176aae279615badda0765c0c0b3f6ed53f4709118af73cf4655d85d1530cd7"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
]
[[package]]
@@ -111,6 +222,59 @@ version = "0.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
+[[package]]
+name = "colorchoice"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75"
+
+[[package]]
+name = "colored"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fde0e0ec90c9dfb3b4b1a0891a7dcd0e2bffde2f7efed5fe7c9bb00e5bfb915e"
+dependencies = [
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "cookie"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ddef33a339a91ea89fb53151bd0a4689cfce27055c291dfa69945475d22c747"
+dependencies = [
+ "percent-encoding",
+ "time",
+ "version_check",
+]
+
+[[package]]
+name = "cookie_store"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fc4bff745c9b4c7fb1e97b25d13153da2bc7796260141df62378998d070207f"
+dependencies = [
+ "cookie",
+ "document-features",
+ "idna",
+ "indexmap",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "time",
+ "url",
+]
+
+[[package]]
+name = "crc32fast"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9481c1c90cbf2ac953f07c8d4a58aa3945c425b7185c9154d67a65e4230da511"
+dependencies = [
+ "cfg-if",
+]
+
[[package]]
name = "criterion"
version = "0.7.0"
@@ -144,6 +308,15 @@ dependencies = [
"itertools",
]
+[[package]]
+name = "crossbeam-channel"
+version = "0.5.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82b8f8f868b36967f9606790d1903570de9ceaf870a7bf9fbbd3016d636a2cb2"
+dependencies = [
+ "crossbeam-utils",
+]
+
[[package]]
name = "crossbeam-deque"
version = "0.8.6"
@@ -175,12 +348,126 @@ version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "43da5946c66ffcc7745f48db692ffbb10a83bfe0afd96235c5c2a4fb23994929"
+[[package]]
+name = "deranged"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ececcb659e7ba858fb4f10388c250a7252eb0a27373f1a72b8748afdd248e587"
+dependencies = [
+ "powerfmt",
+]
+
+[[package]]
+name = "dirs-next"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
+[[package]]
+name = "displaydoc"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "document-features"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4b8a88685455ed29a21542a33abd9cb6510b6b129abadabdcef0f4c55bc8f61"
+dependencies = [
+ "litrs",
+]
+
[[package]]
name = "either"
version = "1.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+[[package]]
+name = "encode_unicode"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34aa73646ffb006b8f5147f3dc182bd4bcb190227ce861fc4a4844bf8e3cb2c0"
+
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
+[[package]]
+name = "eyre"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cd915d99f24784cdc19fd37ef22b97e3ff0ae756c7e492e9fbfe897d61e2aec"
+dependencies = [
+ "indenter",
+ "once_cell",
+]
+
+[[package]]
+name = "find-msvc-tools"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a3076410a55c90011c298b04d0cfa770b00fa04e1e3c97d3f6c9de105a03844"
+
+[[package]]
+name = "flate2"
+version = "1.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfe33edd8e85a12a67454e37f8c75e730830d83e313556ab9ebf9ee7fbeb3bfb"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "form_urlencoded"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb4cb245038516f5f85277875cdaa4f7d2c9a0fa0468de06ed190163b1581fcf"
+dependencies = [
+ "percent-encoding",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "335ff9f135e4384c8150d6f27c6daed433577f86b4750418338c01a1a2528592"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
[[package]]
name = "half"
version = "2.6.0"
@@ -191,6 +478,227 @@ dependencies = [
"crunchy",
]
+[[package]]
+name = "hashbrown"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
+
+[[package]]
+name = "hdrhistogram"
+version = "7.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "765c9198f173dd59ce26ff9f95ef0aafd0a0fe01fb9d72841bc5066a4c06511d"
+dependencies = [
+ "byteorder",
+ "num-traits",
+]
+
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
+[[package]]
+name = "hermit-abi"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
+
+[[package]]
+name = "hotpath"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef44238d7007bbd3c41ce7dbf3d7a4fb224bbf70d6cf3162479138dda0cd6a9e"
+dependencies = [
+ "arc-swap",
+ "base64",
+ "cfg-if",
+ "clap",
+ "colored",
+ "crossbeam-channel",
+ "eyre",
+ "hdrhistogram",
+ "hotpath-macros",
+ "prettytable-rs",
+ "quanta",
+ "serde",
+ "serde_json",
+ "tiny_http",
+ "tokio",
+ "ureq",
+]
+
+[[package]]
+name = "hotpath-macros"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e7e3443c6f4e5cc69e6b701f7bfca8a5502f0080e94629413346e7b4518d730"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "http"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4a85d31aea989eead29a3aaf9e1115a180df8282431156e533de47660892565"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
+[[package]]
+name = "httparse"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08bc136a29a3d1758e07a9cca267be308aeebf5cfd5a10f3f67ab2097683ef5b"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "percent-encoding",
+ "serde",
+]
+
+[[package]]
+name = "utf-8"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
+
+[[package]]
+name = "utf8_iter"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
+
+[[package]]
+name = "utf8parse"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
+
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
[[package]]
name = "walkdir"
version = "2.5.0"
@@ -461,6 +1364,12 @@ dependencies = [
"winapi-util",
]
+[[package]]
+name = "wasi"
+version = "0.11.1+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
+
[[package]]
name = "wasm-bindgen"
version = "0.2.100"
@@ -529,13 +1438,59 @@ dependencies = [
"wasm-bindgen",
]
+[[package]]
+name = "webpki-roots"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2878ef029c47c6e8cf779119f20fcf52bde7ad42a731b2a304bc221df17571e"
+dependencies = [
+ "rustls-pki-types",
+]
+
+[[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 = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
dependencies = [
- "windows-sys",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+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-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets",
]
[[package]]
@@ -547,6 +1502,15 @@ dependencies = [
"windows-targets",
]
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
[[package]]
name = "windows-targets"
version = "0.52.6"
@@ -610,3 +1574,92 @@ name = "windows_x86_64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "writeable"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9edde0db4769d2dc68579893f2306b26c6ecfbe0ef499b013d731b7b9247e0b9"
+
+[[package]]
+name = "yoke"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72d6e5c6afb84d73944e5cedb052c4680d5657337201555f9f2a16b7406d4954"
+dependencies = [
+ "stable_deref_trait",
+ "yoke-derive",
+ "zerofrom",
+]
+
+[[package]]
+name = "yoke-derive"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b659052874eb698efe5b9e8cf382204678a0086ebf46982b79d6ca3182927e5d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "zerofrom"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50cc42e0333e05660c3587f3bf9d0478688e15d870fab3346451ce7f8c9fbea5"
+dependencies = [
+ "zerofrom-derive",
+]
+
+[[package]]
+name = "zerofrom-derive"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
+
+[[package]]
+name = "zerotrie"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a59c17a5562d507e4b54960e8569ebee33bee890c70aa3fe7b97e85a9fd7851"
+dependencies = [
+ "displaydoc",
+ "yoke",
+ "zerofrom",
+]
+
+[[package]]
+name = "zerovec"
+version = "0.11.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c28719294829477f525be0186d13efa9a3c602f7ec202ca9e353d310fb9a002"
+dependencies = [
+ "yoke",
+ "zerofrom",
+ "zerovec-derive",
+]
+
+[[package]]
+name = "zerovec-derive"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eadce39539ca5cb3985590102671f2567e659fca9666581ad3411d59207951f3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
index f09c8b3..7e83f9f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
[package]
-name = "microfetch"
-version = "0.4.9"
+name = "microfetch"
+version = "0.4.11"
edition = "2024"
[lib]
@@ -12,28 +12,59 @@ name = "microfetch"
path = "src/main.rs"
[dependencies]
-nix = { version = "0.30", features = ["fs", "hostname", "feature"] }
-libc = "0.2"
+hotpath = { optional = true, version = "0.6.0" }
+libc = "0.2.177"
+nix = { default-features = false, features = [ "fs", "hostname", "feature" ], version = "0.30.1" }
[dev-dependencies]
criterion = "0.7"
+[features]
+hotpath = [ "dep:hotpath", "hotpath/hotpath" ]
+hotpath-alloc-bytes-total = [ "hotpath/hotpath-alloc-bytes-total" ]
+hotpath-alloc-count-total = [ "hotpath/hotpath-alloc-count-total" ]
+hotpath-off = [ "hotpath/hotpath-off" ]
+
[[bench]]
-name = "benchmark"
harness = false
+name = "benchmark"
[profile.dev]
-opt-level = 3
+opt-level = 1
[profile.release]
-strip = true
-opt-level = "s"
-lto = true
codegen-units = 1
-panic = "abort"
+lto = true
+opt-level = "s"
+panic = "abort"
+strip = true
[profile.profiler]
-inherits = "release"
-debug = true
+debug = true
+inherits = "release"
split-debuginfo = "unpacked"
-strip = "none"
+strip = "none"
+
+[lints.clippy]
+complexity = { level = "warn", priority = -1 }
+nursery = { level = "warn", priority = -1 }
+pedantic = { level = "warn", priority = -1 }
+perf = { level = "warn", priority = -1 }
+style = { level = "warn", priority = -1 }
+
+# The lint groups above enable some less-than-desirable rules, we should manually
+# enable those to keep our sanity.
+absolute_paths = "allow"
+arbitrary_source_item_ordering = "allow"
+implicit_return = "allow"
+missing_docs_in_private_items = "allow"
+non_ascii_literal = "allow"
+pattern_type_mismatch = "allow"
+print_stdout = "allow"
+question_mark_used = "allow"
+similar_names = "allow"
+single_call_fn = "allow"
+std_instead_of_core = "allow"
+too_long_first_doc_paragraph = "allow"
+too_many_lines = "allow"
+unused_trait_names = "allow"
diff --git a/README.md b/README.md
index 28d6338..5ae0f72 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,34 @@
+
+
-Microfetch
+
-Stupidly simple, laughably fast fetch tool. Written in Rust for speed and ease
-of maintainability. Runs in a _fraction of a millisecond_ and displays _most_ of
-the nonsense you'd see posted on r/unixporn or other internet communities. Aims
-to replace [fastfetch](https://github.com/fastfetch-cli/fastfetch) on my
-personal system, but [probably not yours](#customizing). Though, you are more
-than welcome to use it on your system: it's pretty [fast](#benchmarks)...
+## Synopsis
+
+[fastfetch]: https://github.com/fastfetch-cli/fastfetch
+
+Stupidly small and simple, laughably fast and pretty fetch tool. Written in Rust
+for speed and ease of maintainability. Runs in a _fraction of a millisecond_ and
+displays _most_ of the nonsense you'd see posted on r/unixporn or other internet
+communities. Aims to replace [fastfetch] on my personal system, but
+[probably not yours](#customizing). Though, you are more than welcome to use it
+on your system: it is pretty _[fast](#benchmarks)_...
![]()
[!NOTE]
diff --git a/benches/benchmark.rs b/benches/benchmark.rs
index 03e49f4..33dc1b9 100644
--- a/benches/benchmark.rs
+++ b/benches/benchmark.rs
@@ -1,26 +1,31 @@
use criterion::{Criterion, criterion_group, criterion_main};
-use microfetch_lib::colors::print_dots;
-use microfetch_lib::desktop::get_desktop_info;
-use microfetch_lib::release::{get_os_pretty_name, get_system_info};
-use microfetch_lib::system::{
- get_memory_usage, get_root_disk_usage, get_shell, get_username_and_hostname,
+use microfetch_lib::{
+ colors::print_dots,
+ desktop::get_desktop_info,
+ release::{get_os_pretty_name, get_system_info},
+ system::{
+ get_memory_usage,
+ get_root_disk_usage,
+ get_shell,
+ get_username_and_hostname,
+ },
+ uptime::get_current,
};
-use microfetch_lib::uptime::get_current;
fn main_benchmark(c: &mut Criterion) {
- let utsname = nix::sys::utsname::uname().expect("lol");
- c.bench_function("user_info", |b| {
- b.iter(|| get_username_and_hostname(&utsname));
- });
- c.bench_function("os_name", |b| b.iter(get_os_pretty_name));
- c.bench_function("kernel_version", |b| b.iter(|| get_system_info(&utsname)));
- c.bench_function("shell", |b| b.iter(get_shell));
+ let utsname = nix::sys::utsname::uname().expect("lol");
+ c.bench_function("user_info", |b| {
+ b.iter(|| get_username_and_hostname(&utsname));
+ });
+ c.bench_function("os_name", |b| b.iter(get_os_pretty_name));
+ c.bench_function("kernel_version", |b| b.iter(|| get_system_info(&utsname)));
+ c.bench_function("shell", |b| b.iter(get_shell));
- c.bench_function("desktop", |b| b.iter(get_desktop_info));
- c.bench_function("uptime", |b| b.iter(get_current));
- c.bench_function("memory_usage", |b| b.iter(get_memory_usage));
- c.bench_function("storage", |b| b.iter(get_root_disk_usage));
- c.bench_function("colors", |b| b.iter(print_dots));
+ c.bench_function("desktop", |b| b.iter(get_desktop_info));
+ c.bench_function("uptime", |b| b.iter(get_current));
+ c.bench_function("memory_usage", |b| b.iter(get_memory_usage));
+ c.bench_function("storage", |b| b.iter(get_root_disk_usage));
+ c.bench_function("colors", |b| b.iter(print_dots));
}
criterion_group!(benches, main_benchmark);
diff --git a/flake.lock b/flake.lock
index 774c899..452a532 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,14 @@
"nodes": {
"nixpkgs": {
"locked": {
- "lastModified": 1754214453,
- "narHash": "sha256-Q/I2xJn/j1wpkGhWkQnm20nShYnG7TI99foDBpXm1SY=",
+ "lastModified": 1743359643,
+ "narHash": "sha256-RkyJ9a67s0zEIz4O66TyZOIGh4TFZ4dKHKMgnxZCh2I=",
+ "lastModified": 1763381801,
+ "narHash": "sha256-325fR0JmHW7B74/gHPv/S9w1Rfj/M2HniwQFUwdrZ9k=",
"owner": "NixOS",
"repo": "nixpkgs",
- "rev": "5b09dc45f24cf32316283e62aec81ffee3c3e376",
+ "rev": "ca77b4bc80e558ce59f2712fdb276f90c0ee309a",
+ "rev": "46931757ea8bdbba25c076697f8e73b8dc39fef5",
"type": "github"
},
"original": {
diff --git a/nix/package.nix b/nix/package.nix
index 506aea3..5bb387c 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -9,23 +9,29 @@
inherit (toml) version;
in
rustPlatform.buildRustPackage.override {stdenv = stdenvAdapters.useMoldLinker llvm.stdenv;} {
- RUSTFLAGS = "-C link-arg=-fuse-ld=mold";
-
inherit pname version;
-
- src = builtins.path {
- name = "${pname}-${version}";
- path = lib.sources.cleanSource ../.;
- };
+ src = let
+ fs = lib.fileset;
+ s = ../.;
+ in
+ fs.toSource {
+ root = s;
+ fileset = fs.unions [
+ (fs.fileFilter (file: builtins.any file.hasExt ["rs"]) (s + /src))
+ (s + /Cargo.lock)
+ (s + /Cargo.toml)
+ ];
+ };
cargoLock.lockFile = ../Cargo.lock;
enableParallelBuilding = true;
+ env.RUSTFLAGS = "-C link-arg=-fuse-ld=mold";
meta = {
- description = "A microscopic fetch script in Rust, for NixOS systems";
+ description = "Microscopic fetch script in Rust, for NixOS systems";
homepage = "https://github.com/NotAShelf/microfetch";
license = lib.licenses.gpl3Only;
- maintainers = with lib.maintainers; [NotAShelf];
+ maintainers = [lib.maintainers.NotAShelf];
mainProgram = "microfetch";
};
}
diff --git a/nix/shell.nix b/nix/shell.nix
index 0577a0a..111b803 100644
--- a/nix/shell.nix
+++ b/nix/shell.nix
@@ -4,6 +4,7 @@
rustfmt,
clippy,
cargo,
+ taplo,
rustc,
rustPlatform,
gnuplot,
@@ -16,8 +17,9 @@ mkShell {
rustc
rust-analyzer-unwrapped
- rustfmt
+ (rustfmt.override {asNightly = true;})
clippy
+ taplo
gnuplot # For Criterion.rs plots
];
diff --git a/src/colors.rs b/src/colors.rs
index da613a5..07ab9bd 100644
--- a/src/colors.rs
+++ b/src/colors.rs
@@ -1,57 +1,81 @@
-use std::env;
-use std::sync::LazyLock;
+use std::{env, sync::LazyLock};
pub struct Colors {
- pub reset: &'static str,
- pub blue: &'static str,
- pub cyan: &'static str,
- pub green: &'static str,
- pub yellow: &'static str,
- pub red: &'static str,
- pub magenta: &'static str,
+ pub reset: &'static str,
+ pub blue: &'static str,
+ pub cyan: &'static str,
+ pub green: &'static str,
+ pub yellow: &'static str,
+ pub red: &'static str,
+ pub magenta: &'static str,
}
impl Colors {
- const fn new(is_no_color: bool) -> Self {
- if is_no_color {
- Self {
- reset: "",
- blue: "",
- cyan: "",
- green: "",
- yellow: "",
- red: "",
- magenta: "",
- }
- } else {
- Self {
- reset: "\x1b[0m",
- blue: "\x1b[34m",
- cyan: "\x1b[36m",
- green: "\x1b[32m",
- yellow: "\x1b[33m",
- red: "\x1b[31m",
- magenta: "\x1b[35m",
- }
- }
+ const fn new(is_no_color: bool) -> Self {
+ if is_no_color {
+ Self {
+ reset: "",
+ blue: "",
+ cyan: "",
+ green: "",
+ yellow: "",
+ red: "",
+ magenta: "",
+ }
+ } else {
+ Self {
+ reset: "\x1b[0m",
+ blue: "\x1b[34m",
+ cyan: "\x1b[36m",
+ green: "\x1b[32m",
+ yellow: "\x1b[33m",
+ red: "\x1b[31m",
+ magenta: "\x1b[35m",
+ }
}
+ }
}
pub static COLORS: LazyLock = LazyLock::new(|| {
- // check for NO_COLOR once at startup
- let is_no_color = env::var("NO_COLOR").is_ok();
- Colors::new(is_no_color)
+ // Check for NO_COLOR once at startup
+ let is_no_color = env::var("NO_COLOR").is_ok();
+ Colors::new(is_no_color)
});
+#[must_use]
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
pub fn print_dots() -> String {
- format!(
- "{}๏ {}๏ {}๏ {}๏ {}๏ {}๏ {}",
- COLORS.blue,
- COLORS.cyan,
- COLORS.green,
- COLORS.yellow,
- COLORS.red,
- COLORS.magenta,
- COLORS.reset,
- )
+ // Pre-calculate capacity: 6 color codes + " " (glyph + 2 spaces) per color
+ const GLYPH: &str = "๏";
+ let capacity = COLORS.blue.len()
+ + COLORS.cyan.len()
+ + COLORS.green.len()
+ + COLORS.yellow.len()
+ + COLORS.red.len()
+ + COLORS.magenta.len()
+ + COLORS.reset.len()
+ + (GLYPH.len() + 2) * 6;
+
+ let mut result = String::with_capacity(capacity);
+ result.push_str(COLORS.blue);
+ result.push_str(GLYPH);
+ result.push_str(" ");
+ result.push_str(COLORS.cyan);
+ result.push_str(GLYPH);
+ result.push_str(" ");
+ result.push_str(COLORS.green);
+ result.push_str(GLYPH);
+ result.push_str(" ");
+ result.push_str(COLORS.yellow);
+ result.push_str(GLYPH);
+ result.push_str(" ");
+ result.push_str(COLORS.red);
+ result.push_str(GLYPH);
+ result.push_str(" ");
+ result.push_str(COLORS.magenta);
+ result.push_str(GLYPH);
+ result.push_str(" ");
+ result.push_str(COLORS.reset);
+
+ result
}
diff --git a/src/desktop.rs b/src/desktop.rs
index f35cd2a..561be03 100644
--- a/src/desktop.rs
+++ b/src/desktop.rs
@@ -1,28 +1,37 @@
+use std::fmt::Write;
+
+#[must_use]
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
pub fn get_desktop_info() -> String {
- // Retrieve the environment variables and handle Result types
- let desktop_env = std::env::var("XDG_CURRENT_DESKTOP");
- let display_backend_result = std::env::var("XDG_SESSION_TYPE");
+ // Retrieve the environment variables and handle Result types
+ let desktop_env = std::env::var("XDG_CURRENT_DESKTOP");
+ let display_backend = std::env::var("XDG_SESSION_TYPE");
- // Capitalize the first letter of the display backend value
- let mut display_backend = display_backend_result.unwrap_or_default();
- if let Some(c) = display_backend.as_mut_str().get_mut(0..1) {
- c.make_ascii_uppercase();
- }
+ let desktop_str = match desktop_env {
+ Err(_) => "Unknown",
+ Ok(ref s) if s.starts_with("none+") => &s[5..],
+ Ok(ref s) => s.as_str(),
+ };
- // Trim "none+" from the start of desktop_env if present
- // Use "Unknown" if desktop_env is empty or has an error
- let desktop_env = match desktop_env {
- Err(_) => "Unknown".to_string(),
- Ok(s) => s.trim_start_matches("none+").to_string(),
- };
+ let backend_str = match display_backend {
+ Err(_) => "Unknown",
+ Ok(ref s) if s.is_empty() => "Unknown",
+ Ok(ref s) => s.as_str(),
+ };
- // Handle the case where display_backend might be empty after capitalization
- let display_backend = if display_backend.is_empty() {
- "Unknown"
- } else {
- &display_backend
- }
- .to_string();
+ // Pre-calculate capacity: desktop_len + " (" + backend_len + ")"
+ // Capitalize first char needs temporary allocation only if backend exists
+ let mut result =
+ String::with_capacity(desktop_str.len() + backend_str.len() + 3);
+ result.push_str(desktop_str);
+ result.push_str(" (");
- format!("{desktop_env} ({display_backend})")
+ // Capitalize first character of backend
+ if let Some(first_char) = backend_str.chars().next() {
+ let _ = write!(result, "{}", first_char.to_ascii_uppercase());
+ result.push_str(&backend_str[first_char.len_utf8()..]);
+ }
+
+ result.push(')');
+ result
}
diff --git a/src/main.rs b/src/main.rs
index 5dd99c1..5ba7810 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,78 +4,90 @@ mod release;
mod system;
mod uptime;
-use crate::colors::print_dots;
-use crate::desktop::get_desktop_info;
-use crate::release::{get_os_pretty_name, get_system_info};
-use crate::system::{get_memory_usage, get_root_disk_usage, get_shell, get_username_and_hostname};
-use crate::uptime::get_current;
use std::io::{Write, stdout};
-fn main() -> Result<(), Box> {
- if Some("--version") == std::env::args().nth(1).as_deref() {
- println!("Microfetch {}", env!("CARGO_PKG_VERSION"));
- } else {
- let utsname = nix::sys::utsname::uname()?;
- let fields = Fields {
- user_info: get_username_and_hostname(&utsname),
- os_name: get_os_pretty_name()?,
- kernel_version: get_system_info(&utsname),
- shell: get_shell(),
- desktop: get_desktop_info(),
- uptime: get_current()?,
- memory_usage: get_memory_usage()?,
- storage: get_root_disk_usage()?,
- colors: print_dots(),
- };
- print_system_info(&fields)?;
- }
+use crate::{
+ colors::print_dots,
+ desktop::get_desktop_info,
+ release::{get_os_pretty_name, get_system_info},
+ system::{
+ get_memory_usage,
+ get_root_disk_usage,
+ get_shell,
+ get_username_and_hostname,
+ },
+ uptime::get_current,
+};
- Ok(())
+#[cfg_attr(feature = "hotpath", hotpath::main)]
+fn main() -> Result<(), Box> {
+ if Some("--version") == std::env::args().nth(1).as_deref() {
+ println!("Microfetch {}", env!("CARGO_PKG_VERSION"));
+ } else {
+ let utsname = nix::sys::utsname::uname()?;
+ let fields = Fields {
+ user_info: get_username_and_hostname(&utsname),
+ os_name: get_os_pretty_name()?,
+ kernel_version: get_system_info(&utsname),
+ shell: get_shell(),
+ desktop: get_desktop_info(),
+ uptime: get_current()?,
+ memory_usage: get_memory_usage()?,
+ storage: get_root_disk_usage()?,
+ colors: print_dots(),
+ };
+ print_system_info(&fields)?;
+ }
+
+ Ok(())
}
// Struct to hold all the fields we need in order to print the fetch. This
// helps avoid Clippy warnings about argument count, and makes it slightly
// easier to pass data around. Though, it is not like we really need to.
struct Fields {
- user_info: String,
- os_name: String,
- kernel_version: String,
- shell: String,
- uptime: String,
- desktop: String,
- memory_usage: String,
- storage: String,
- colors: String,
+ user_info: String,
+ os_name: String,
+ kernel_version: String,
+ shell: String,
+ uptime: String,
+ desktop: String,
+ memory_usage: String,
+ storage: String,
+ colors: String,
}
-fn print_system_info(fields: &Fields) -> Result<(), Box> {
- use crate::colors::COLORS;
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
+fn print_system_info(
+ fields: &Fields,
+) -> Result<(), Box> {
+ use crate::colors::COLORS;
- let Fields {
- user_info,
- os_name,
- kernel_version,
- shell,
- uptime,
- desktop,
- memory_usage,
- storage,
- colors,
- } = fields;
+ let Fields {
+ user_info,
+ os_name,
+ kernel_version,
+ shell,
+ uptime,
+ desktop,
+ memory_usage,
+ storage,
+ colors,
+ } = fields;
- let cyan = COLORS.cyan;
- let blue = COLORS.blue;
- let reset = COLORS.reset;
- let system_info = format!("
- {cyan} โโโ {blue}โโโ โโโ {user_info} ~{reset}
- {cyan} โโโโโโโโโโโ{blue}โโโโโ {cyan}โ {cyan}๏ {blue}System{reset} ๎ก {os_name}
- {cyan} โโโโโโโโโโโโ{blue}โโโ {cyan}โโโ {cyan}๎ {blue}Kernel{reset} ๎ก {kernel_version}
- {blue} โโโ {blue}โโโ{cyan}โโโ {cyan}๎ {blue}Shell{reset} ๎ก {shell}
- {blue}โโโโโโโ {cyan}โโโโโโโ {cyan}๏ {blue}Uptime{reset} ๎ก {uptime}
- {blue} โโโ{cyan}โโโ {cyan}โโโ {cyan}๏ {blue}Desktop{reset} ๎ก {desktop}
- {blue} โโโ {cyan}โโโ{blue}โโโโโโโโโโโโ {cyan}๏ผ {blue}Memory{reset} ๎ก {memory_usage}
- {blue} โ {cyan}โโโโโ{blue}โโโโโโโโโโโ {cyan}๓ฑฅ {blue}Storage (/){reset} ๎ก {storage}
- {cyan} โโโ โโโ {blue}โโโ {cyan}๎ซ {blue}Colors{reset} ๎ก {colors}\n");
+ let cyan = COLORS.cyan;
+ let blue = COLORS.blue;
+ let reset = COLORS.reset;
+ let system_info = format!("
+ {cyan} โโโ {blue}โโโ โโโ {user_info} ~{reset}
+ {cyan} โโโโโโโโโโโ{blue}โโโโโ {cyan}โ {cyan}๏ {blue}System{reset} ๎ก {os_name}
+ {cyan} โโโโโโโโโโโโ{blue}โโโ {cyan}โโโ {cyan}๎ {blue}Kernel{reset} ๎ก {kernel_version}
+ {blue} โโโ {blue}โโโ{cyan}โโโ {cyan}๎ {blue}Shell{reset} ๎ก {shell}
+ {blue}โโโโโโโ {cyan}โโโโโโโ {cyan}๏ {blue}Uptime{reset} ๎ก {uptime}
+ {blue} โโโ{cyan}โโโ {cyan}โโโ {cyan}๏ {blue}Desktop{reset} ๎ก {desktop}
+ {blue} โโโ {cyan}โโโ{blue}โโโโโโโโโโโโ {cyan}๏ผ {blue}Memory{reset} ๎ก {memory_usage}
+ {blue} โ {cyan}โโโโโ{blue}โโโโโโโโโโโ {cyan}๓ฑฅ {blue}Storage (/){reset} ๎ก {storage}
+ {cyan} โโโ โโโ {blue}โโโ {cyan}๎ซ {blue}Colors{reset} ๎ก {colors}\n");
- Ok(stdout().write_all(system_info.as_bytes())?)
+ Ok(stdout().write_all(system_info.as_bytes())?)
}
diff --git a/src/release.rs b/src/release.rs
index 6d1b20f..1b820b8 100644
--- a/src/release.rs
+++ b/src/release.rs
@@ -1,33 +1,48 @@
-use nix::sys::utsname::UtsName;
use std::{
- fs::File,
- io::{self, BufRead, BufReader},
+ fmt::Write as _,
+ fs::File,
+ io::{self, Read},
};
+use nix::sys::utsname::UtsName;
+
+#[must_use]
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
pub fn get_system_info(utsname: &UtsName) -> String {
- format!(
- "{} {} ({})",
- utsname.sysname().to_str().unwrap_or("Unknown"),
- utsname.release().to_str().unwrap_or("Unknown"),
- utsname.machine().to_str().unwrap_or("Unknown")
- )
+ let sysname = utsname.sysname().to_str().unwrap_or("Unknown");
+ let release = utsname.release().to_str().unwrap_or("Unknown");
+ let machine = utsname.machine().to_str().unwrap_or("Unknown");
+
+ // Pre-allocate capacity: sysname + " " + release + " (" + machine + ")"
+ let capacity = sysname.len() + 1 + release.len() + 2 + machine.len() + 1;
+ let mut result = String::with_capacity(capacity);
+
+ write!(result, "{sysname} {release} ({machine})").unwrap();
+ result
}
+/// Gets the pretty name of the OS from `/etc/os-release`.
+///
+/// # Errors
+///
+/// Returns an error if `/etc/os-release` cannot be read.
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
pub fn get_os_pretty_name() -> Result {
- let file = File::open("/etc/os-release")?;
- let reader = BufReader::new(file);
+ // We use a stack-allocated buffer here, which seems to perform MUCH better
+ // than `BufReader`. In hindsight, I should've seen this coming.
+ let mut buffer = String::with_capacity(1024);
+ File::open("/etc/os-release")?.read_to_string(&mut buffer)?;
- for line in reader.lines() {
- let line = line?;
- if let Some(pretty_name) = line.strip_prefix("PRETTY_NAME=") {
- if let Some(trimmed) = pretty_name
- .strip_prefix('"')
- .and_then(|s| s.strip_suffix('"'))
- {
- return Ok(trimmed.to_string());
- }
- return Ok(pretty_name.to_string());
- }
+ for line in buffer.lines() {
+ if let Some(pretty_name) = line.strip_prefix("PRETTY_NAME=") {
+ if let Some(trimmed) = pretty_name
+ .strip_prefix('"')
+ .and_then(|s| s.strip_suffix('"'))
+ {
+ return Ok(trimmed.to_owned());
+ }
+ return Ok(pretty_name.to_owned());
}
- Ok("Unknown".to_string())
+ }
+ Ok("Unknown".to_owned())
}
diff --git a/src/system.rs b/src/system.rs
index aed8752..ba90b27 100644
--- a/src/system.rs
+++ b/src/system.rs
@@ -1,87 +1,137 @@
-use crate::colors::COLORS;
-use nix::sys::{statvfs::statvfs, utsname::UtsName};
use std::{
- env,
- fs::File,
- io::{self, Read},
+ env,
+ fmt::Write as _,
+ fs::File,
+ io::{self, Read},
};
+use nix::sys::{statvfs::statvfs, utsname::UtsName};
+
+use crate::colors::COLORS;
+
+#[must_use]
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
pub fn get_username_and_hostname(utsname: &UtsName) -> String {
- let username = env::var("USER").unwrap_or_else(|_| "unknown_user".to_string());
- let hostname = utsname
- .nodename()
- .to_str()
- .unwrap_or("unknown_host")
- .to_string();
- format!(
- "{yellow}{username}{red}@{green}{hostname}{reset}",
- yellow = COLORS.yellow,
- red = COLORS.red,
- green = COLORS.green,
- reset = COLORS.reset,
- )
+ let username = env::var("USER").unwrap_or_else(|_| "unknown_user".to_owned());
+ let hostname = utsname.nodename().to_str().unwrap_or("unknown_host");
+
+ let capacity = COLORS.yellow.len()
+ + username.len()
+ + COLORS.red.len()
+ + 1
+ + COLORS.green.len()
+ + hostname.len()
+ + COLORS.reset.len();
+ let mut result = String::with_capacity(capacity);
+
+ result.push_str(COLORS.yellow);
+ result.push_str(&username);
+ result.push_str(COLORS.red);
+ result.push('@');
+ result.push_str(COLORS.green);
+ result.push_str(hostname);
+ result.push_str(COLORS.reset);
+
+ result
}
+#[must_use]
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
pub fn get_shell() -> String {
- let shell_path = env::var("SHELL").unwrap_or_else(|_| "unknown_shell".to_string());
- let shell_name = shell_path.rsplit('/').next().unwrap_or("unknown_shell");
- shell_name.to_string()
+ let shell_path =
+ env::var("SHELL").unwrap_or_else(|_| "unknown_shell".to_owned());
+
+ // Find last '/' and get the part after it, avoiding allocation
+ shell_path
+ .rsplit('/')
+ .next()
+ .unwrap_or("unknown_shell")
+ .to_owned()
}
+/// Gets the root disk usage information.
+///
+/// # Errors
+///
+/// Returns an error if the filesystem information cannot be retrieved.
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
+#[allow(clippy::cast_precision_loss)]
pub fn get_root_disk_usage() -> Result {
- let vfs = statvfs("/")?;
- let block_size = vfs.block_size() as u64;
- let total_blocks = vfs.blocks();
- let available_blocks = vfs.blocks_available();
+ let vfs = statvfs("/")?;
+ let block_size = vfs.block_size() as u64;
+ let total_blocks = vfs.blocks();
+ let available_blocks = vfs.blocks_available();
- let total_size = block_size * total_blocks;
- let used_size = total_size - (block_size * available_blocks);
+ let total_size = block_size * total_blocks;
+ let used_size = total_size - (block_size * available_blocks);
- let total_size = total_size as f64 / (1024.0 * 1024.0 * 1024.0);
- let used_size = used_size as f64 / (1024.0 * 1024.0 * 1024.0);
- let usage = (used_size / total_size) * 100.0;
+ let total_size = total_size as f64 / (1024.0 * 1024.0 * 1024.0);
+ let used_size = used_size as f64 / (1024.0 * 1024.0 * 1024.0);
+ let usage = (used_size / total_size) * 100.0;
- Ok(format!(
- "{used_size:.2} GiB / {total_size:.2} GiB ({cyan}{usage:.0}%{reset})",
- cyan = COLORS.cyan,
- reset = COLORS.reset,
- ))
+ let mut result = String::with_capacity(64);
+ write!(
+ result,
+ "{used_size:.2} GiB / {total_size:.2} GiB ({cyan}{usage:.0}%{reset})",
+ cyan = COLORS.cyan,
+ reset = COLORS.reset,
+ )
+ .unwrap();
+
+ Ok(result)
}
+/// Gets the system memory usage information.
+///
+/// # Errors
+///
+/// Returns an error if `/proc/meminfo` cannot be read.
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
pub fn get_memory_usage() -> Result {
- fn parse_memory_info() -> Result<(f64, f64), io::Error> {
- let mut total_memory_kb = 0.0;
- let mut available_memory_kb = 0.0;
- let mut meminfo = String::with_capacity(2048);
+ #[cfg_attr(feature = "hotpath", hotpath::measure)]
+ fn parse_memory_info() -> Result<(f64, f64), io::Error> {
+ let mut total_memory_kb = 0.0;
+ let mut available_memory_kb = 0.0;
+ let mut meminfo = String::with_capacity(2048);
- File::open("/proc/meminfo")?.read_to_string(&mut meminfo)?;
+ File::open("/proc/meminfo")?.read_to_string(&mut meminfo)?;
- for line in meminfo.lines() {
- let mut split = line.split_whitespace();
- match split.next().unwrap_or_default() {
- "MemTotal:" => total_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0),
- "MemAvailable:" => {
- available_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0);
- // MemTotal comes before MemAvailable, stop parsing
- break;
- }
- _ => (),
- }
- }
-
- let total_memory_gb = total_memory_kb / 1024.0 / 1024.0;
- let available_memory_gb = available_memory_kb / 1024.0 / 1024.0;
- let used_memory_gb = total_memory_gb - available_memory_gb;
-
- Ok((used_memory_gb, total_memory_gb))
+ for line in meminfo.lines() {
+ let mut split = line.split_whitespace();
+ match split.next().unwrap_or_default() {
+ "MemTotal:" => {
+ total_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0);
+ },
+ "MemAvailable:" => {
+ available_memory_kb =
+ split.next().unwrap_or("0").parse().unwrap_or(0.0);
+ // MemTotal comes before MemAvailable, stop parsing
+ break;
+ },
+ _ => (),
+ }
}
- let (used_memory, total_memory) = parse_memory_info()?;
- let percentage_used = (used_memory / total_memory * 100.0).round() as u64;
+ let total_memory_gb = total_memory_kb / 1024.0 / 1024.0;
+ let available_memory_gb = available_memory_kb / 1024.0 / 1024.0;
+ let used_memory_gb = total_memory_gb - available_memory_gb;
- Ok(format!(
- "{used_memory:.2} GiB / {total_memory:.2} GiB ({cyan}{percentage_used}%{reset})",
- cyan = COLORS.cyan,
- reset = COLORS.reset,
- ))
+ Ok((used_memory_gb, total_memory_gb))
+ }
+
+ let (used_memory, total_memory) = parse_memory_info()?;
+ #[allow(clippy::cast_possible_truncation, clippy::cast_sign_loss)]
+ let percentage_used = (used_memory / total_memory * 100.0).round() as u64;
+
+ let mut result = String::with_capacity(64);
+ write!(
+ result,
+ "{used_memory:.2} GiB / {total_memory:.2} GiB \
+ ({cyan}{percentage_used}%{reset})",
+ cyan = COLORS.cyan,
+ reset = COLORS.reset,
+ )
+ .unwrap();
+
+ Ok(result)
}
diff --git a/src/uptime.rs b/src/uptime.rs
index 496052a..52188c2 100644
--- a/src/uptime.rs
+++ b/src/uptime.rs
@@ -1,40 +1,49 @@
-use std::{io, mem::MaybeUninit};
+use std::{fmt::Write, io, mem::MaybeUninit};
+/// Gets the current system uptime.
+///
+/// # Errors
+///
+/// Returns an error if the system uptime cannot be retrieved.
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
pub fn get_current() -> Result {
- let uptime_seconds = {
- let mut info = MaybeUninit::uninit();
- if unsafe { libc::sysinfo(info.as_mut_ptr()) } != 0 {
- return Err(io::Error::last_os_error());
- }
- unsafe { info.assume_init().uptime as u64 }
- };
+ let uptime_seconds = {
+ let mut info = MaybeUninit::uninit();
+ if unsafe { libc::sysinfo(info.as_mut_ptr()) } != 0 {
+ return Err(io::Error::last_os_error());
+ }
+ #[allow(clippy::cast_sign_loss)]
+ unsafe {
+ info.assume_init().uptime as u64
+ }
+ };
- let days = uptime_seconds / 86400;
- let hours = (uptime_seconds / 3600) % 24;
- let minutes = (uptime_seconds / 60) % 60;
+ let days = uptime_seconds / 86400;
+ let hours = (uptime_seconds / 3600) % 24;
+ let minutes = (uptime_seconds / 60) % 60;
- let mut result = String::with_capacity(32);
- if days > 0 {
- result.push_str(&days.to_string());
- result.push_str(if days == 1 { " day" } else { " days" });
+ let mut result = String::with_capacity(32);
+ if days > 0 {
+ let _ = write!(result, "{days}");
+ result.push_str(if days == 1 { " day" } else { " days" });
+ }
+ if hours > 0 {
+ if !result.is_empty() {
+ result.push_str(", ");
}
- if hours > 0 {
- if !result.is_empty() {
- result.push_str(", ");
- }
- result.push_str(&hours.to_string());
- result.push_str(if hours == 1 { " hour" } else { " hours" });
- }
- if minutes > 0 {
- if !result.is_empty() {
- result.push_str(", ");
- }
- result.push_str(&minutes.to_string());
- result.push_str(if minutes == 1 { " minute" } else { " minutes" });
- }
- if result.is_empty() {
- result.push_str("less than a minute");
+ let _ = write!(result, "{hours}");
+ result.push_str(if hours == 1 { " hour" } else { " hours" });
+ }
+ if minutes > 0 {
+ if !result.is_empty() {
+ result.push_str(", ");
}
+ let _ = write!(result, "{minutes}");
+ result.push_str(if minutes == 1 { " minute" } else { " minutes" });
+ }
+ if result.is_empty() {
+ result.push_str("less than a minute");
+ }
- Ok(result)
+ Ok(result)
}
-
- 
+