fix: fix usage as a library (#269)

.changes/fix-usage-as-library.md

@@ -0,0 +1,5 @@
+---
+"cargo-packager": patch
+---
+
+Fix using the crate as a library without `cli` feature flag

crates/packager/Cargo.toml

@@ -3,43 +3,48 @@ name = "cargo-packager"
 version = "0.10.2"
 description = "Executable packager and bundler distributed as a CLI and library."
 authors = [
-  "CrabNebula Ltd.",
-  "Tauri Programme within The Commons Conservancy",
-  "George Burton <[email protected]>"
+    "CrabNebula Ltd.",
+    "Tauri Programme within The Commons Conservancy",
+    "George Burton <[email protected]>",
 ]
-keywords = [ "bundle", "package", "cargo" ]
+keywords = ["bundle", "package", "cargo"]
 categories = [
-  "command-line-interface",
-  "command-line-utilities",
-  "development-tools::cargo-plugins",
-  "development-tools::build-utils",
-  "os"
+    "command-line-interface",
+    "command-line-utilities",
+    "development-tools::cargo-plugins",
+    "development-tools::build-utils",
+    "os",
 ]
 edition = { workspace = true }
 license = { workspace = true }
 repository = { workspace = true }
 
+[[bin]]
+name = "cargo-packager"
+# path = "src/bins/cli.rs"
+required-features = ["cli"]
+
 [package.metadata.docs.rs]
-rustdoc-args = [ "--cfg", "doc_cfg" ]
+rustdoc-args = ["--cfg", "doc_cfg"]
 default-target = "x86_64-unknown-linux-gnu"
 targets = [
-  "x86_64-pc-windows-msvc",
-  "x86_64-unknown-linux-gnu",
-  "x86_64-apple-darwin"
+    "x86_64-pc-windows-msvc",
+    "x86_64-unknown-linux-gnu",
+    "x86_64-apple-darwin",
 ]
 
 [lints.rust]
 # cfg(doc_cfg) is used for docs.rs detection. see above
 unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
 
 [features]
-default = [ "cli", "rustls-tls" ]
-cli = [ "clap", "dep:tracing-subscriber" ]
-schema = [ "schemars", "cargo-packager-utils/schema" ]
-clap = [ "dep:clap", "cargo-packager-utils/clap" ]
-native-tls = [ "ureq/native-tls" ]
-native-tls-vendored = [ "native-tls", "native-tls/vendored" ]
-rustls-tls = [ "ureq/tls" ]
+default = ["cli", "rustls-tls"]
+cli = ["clap", "dep:tracing-subscriber"]
+schema = ["schemars", "cargo-packager-utils/schema"]
+clap = ["dep:clap", "cargo-packager-utils/clap"]
+native-tls = ["ureq/native-tls"]
+native-tls-vendored = ["native-tls", "native-tls/vendored"]
+rustls-tls = ["ureq/tls"]
 
 [dependencies]
 thiserror = { workspace = true }
@@ -49,16 +54,18 @@ dunce = { workspace = true }
 dirs = { workspace = true }
 semver = { workspace = true }
 base64 = { workspace = true }
-clap = { workspace = true, optional = true, features = [ "env" ] }
+clap = { workspace = true, optional = true, features = ["env"] }
 tracing = { workspace = true }
-tracing-subscriber = { version = "0.3", optional = true, features = [ "env-filter" ] }
+tracing-subscriber = { version = "0.3", optional = true, features = [
+    "env-filter",
+] }
 toml = "0.8"
 cargo_metadata = "0.18"
 ureq = { version = "2.10", default-features = false }
 hex = "0.4"
 sha1 = "0.10"
 sha2 = "0.10"
-zip = { version = "0.6", default-features = false, features = [ "deflate" ] }
+zip = { version = "0.6", default-features = false, features = ["deflate"] }
 handlebars = "5.1"
 glob = "0.3"
 relative-path = "1.9"
@@ -70,25 +77,24 @@ flate2 = "1.0"
 strsim = "0.11"
 schemars = { workspace = true, optional = true }
 native-tls = { version = "0.2", optional = true }
-cargo-packager-utils = { version = "0.1.1", path = "../utils", features = [ "serde" ] }
+cargo-packager-utils = { version = "0.1.1", path = "../utils", features = [
+    "serde",
+] }
 icns = { package = "tauri-icns", version = "0.1" }
-time = { workspace = true, features = [ "formatting" ] }
+time = { workspace = true, features = ["formatting"] }
 image = "0.25"
 tempfile = "3"
 plist = "1"
 
 [target."cfg(target_os = \"windows\")".dependencies]
 winreg = "0.52"
 once_cell = "1.19"
-uuid = { version = "1", features = [ "v4", "v5" ] }
+uuid = { version = "1", features = ["v4", "v5"] }
 regex = "1.10"
 
-  [target."cfg(target_os = \"windows\")".dependencies.windows-sys]
-  version = "0.52"
-  features = [
-  "Win32_System_SystemInformation",
-  "Win32_System_Diagnostics_Debug"
-]
+[target."cfg(target_os = \"windows\")".dependencies.windows-sys]
+version = "0.52"
+features = ["Win32_System_SystemInformation", "Win32_System_Diagnostics_Debug"]
 
 [target."cfg(any(target_os = \"linux\", target_os = \"dragonfly\", target_os = \"freebsd\", target_os = \"netbsd\", target_os = \"openbsd\"))".dependencies]
 image = "0.25"

crates/packager/src/error.rs

@@ -13,6 +13,7 @@ use thiserror::Error;
 pub enum Error {
     /// Clap error.
     #[error(transparent)]
+    #[cfg(feature = "cli")]
     Clap(#[from] clap::error::Error),
     /// Error while reading cargo metadata.
     #[error("Failed to read cargo metadata: {0}")]

crates/packager/src/lib.rs

@@ -98,6 +98,7 @@ pub use sign::SigningConfig;
 pub use package::{package, PackageOutput};
 use util::PathExt;
 
+#[cfg(feature = "cli")]
 fn parse_log_level(verbose: u8) -> tracing::Level {
     match verbose {
         0 => tracing_subscriber::EnvFilter::builder()
@@ -144,17 +145,20 @@ pub fn init_tracing_subscriber(verbosity: u8) {
     }
 }
 
+#[cfg(feature = "cli")]
 enum TracingFormatter {
     WithoutTime(
         tracing_subscriber::fmt::format::Format<tracing_subscriber::fmt::format::Compact, ()>,
     ),
     WithTime(tracing_subscriber::fmt::format::Format<tracing_subscriber::fmt::format::Compact>),
 }
 
+#[cfg(feature = "cli")]
 struct ShellFieldVisitor {
     message: String,
 }
 
+#[cfg(feature = "cli")]
 impl tracing::field::Visit for ShellFieldVisitor {
     fn record_str(&mut self, field: &tracing::field::Field, value: &str) {
         if field.name() == "message" {
@@ -169,6 +173,7 @@ impl tracing::field::Visit for ShellFieldVisitor {
     }
 }
 
+#[cfg(feature = "cli")]
 impl<S, N> tracing_subscriber::fmt::FormatEvent<S, N> for TracingFormatter
 where
     S: tracing::Subscriber + for<'a> tracing_subscriber::registry::LookupSpan<'a>,