Crates using skeptic are recompiled no matter what #25
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Just noticed this as well, we have a Visual Studio project that includes several Rust/Cargo sub-projects. Each one uses a crate that depends on skeptic, so even though nothing has changed in the Rust code or the dependencies, it take a full minute for each of them to build before the main project can build+run during development. Perhaps a quick fix for crates using skeptic would be to put it behind a default feature flag that can be disabled, though I'm not sure what the root cause is. |
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Root cause: rust-lang/cargo#4213 |
jpastuszek
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jpastuszek
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Sep 22, 2017
Build script calls skeptic which emits information asking cargo to monitor content of README.md.skt.md for changes. If changes to that file are detected cargo should rebuild liquid crate. In case of this project the files does not exist. This causes cargo to trigger a rebuild every time in hope that it will get crated by the build script. The workaround is to crate the file that skeptic asks to monitor which stops cargo from triggering the rebuild. For details consult this issues: * budziq/rust-skeptic#25 * rust-lang/cargo#4213
jpastuszek
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Sep 22, 2017
Build script calls skeptic which emits information asking cargo to monitor content of README.md.skt.md for changes. If changes to that file are detected cargo should rebuild liquid crate. In case of this project the files does not exist. This causes cargo to trigger a rebuild every time in hope that it will get created by the build script. The workaround is to create the file that skeptic asks to monitor which stops cargo from triggering the rebuild. For details consult this issues: * budziq/rust-skeptic#25 * rust-lang/cargo#4213
epage
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Sep 24, 2017
Build script calls skeptic which emits information asking cargo to monitor content of README.md.skt.md for changes. If changes to that file are detected cargo should rebuild this crate. In case of this project the files does not exist. This causes cargo to trigger a rebuild every time in hope that it will get created by the build script. The workaround is to create the file that skeptic asks to monitor which stops cargo from triggering the rebuild. For details consult this issues: * budziq/rust-skeptic#25 * rust-lang/cargo#4213
bors bot
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Sep 24, 2017
40: Reduce needless recompiles r=epage a=epage Build script calls skeptic which emits information asking cargo to monitor content of README.md.skt.md for changes. If changes to that file are detected cargo should rebuild this crate. In case of this project the files does not exist. This causes cargo to trigger a rebuild every time in hope that it will get created by the build script. The workaround is to create the file that skeptic asks to monitor which stops cargo from triggering the rebuild. For details consult this issues: * budziq/rust-skeptic#25 * rust-lang/cargo#4213
mbrubeck
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Oct 26, 2017
Fixes budziq#25. Workaround for rust-lang/cargo#4213.
budziq
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Oct 27, 2017
Fixes #25. Workaround for rust-lang/cargo#4213.
jorenvo
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Jan 23, 2018
skeptic causes cargo to monitor README.md.skt.md. This file does not exist, nor is it created by any build script. Because of this cargo will always rebuild. Inspired by: assert-rs/assert_cli@ccc8af5 More info: budziq/rust-skeptic#25 rust-lang/cargo#4213
jorenvo
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Jan 23, 2018
skeptic causes cargo to monitor README.md.skt.md. This file does not exist, nor is it created by any build script. Because of this cargo will always rebuild: $ RUST_LOG=cargo::ops::cargo_rustc::fingerprint=info cargo build ... stale: /home/jvo/.cargo/registry/src/github.com-1ecc6299db9ec823/ply-rs-0.1.1/README.md.skt.md -- missing ... fingerprint error for ply-rs v0.1.1: mtime based components have changed Inspired by: assert-rs/assert_cli@ccc8af5 More info: budziq/rust-skeptic#25 rust-lang/cargo#4213
jorenvo
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Jan 23, 2018
skeptic causes cargo to monitor README.md.skt.md. This file does not exist, nor is it created by any build script. Because of this cargo will always rebuild: $ RUST_LOG=cargo::ops::cargo_rustc::fingerprint=info cargo build ... stale: /home/.../ply-rs-0.1.1/README.md.skt.md -- missing ... fingerprint error for ply-rs v0.1.1: mtime based components have changed Inspired by: assert-rs/assert_cli@ccc8af5 More info: budziq/rust-skeptic#25 rust-lang/cargo#4213
jorenvo
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Jan 23, 2018
skeptic causes cargo to monitor README.md.skt.md. This file does not exist, nor is it created by any build script. Because of this cargo will always rebuild even if nothing has been changed: $ RUST_LOG=cargo::ops::cargo_rustc::fingerprint=info cargo build ... stale: /home/.../ply-rs-0.1.1/README.md.skt.md -- missing ... fingerprint error for ply-rs v0.1.1: mtime based components have changed Inspired by: assert-rs/assert_cli@ccc8af5 More info: budziq/rust-skeptic#25 rust-lang/cargo#4213
jorenvo
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Jan 23, 2018
skeptic causes cargo to monitor README.md.skt.md. This file does not exist, nor is it created by any build script. Because of this cargo will always rebuild even if nothing has changed: $ RUST_LOG=cargo::ops::cargo_rustc::fingerprint=info cargo build ... stale: /home/.../ply-rs-0.1.1/README.md.skt.md -- missing ... fingerprint error for ply-rs v0.1.1: mtime based components have changed Inspired by: assert-rs/assert_cli@ccc8af5 More info: budziq/rust-skeptic#25 rust-lang/cargo#4213
jorenvo
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Jan 23, 2018
skeptic causes cargo to monitor README.md.skt.md. This file does not exist, nor is it created by any build script. Because of this cargo will always rebuild even if nothing has changed: $ RUST_LOG=cargo::ops::cargo_rustc::fingerprint=info cargo build ... stale: /home/.../ply-rs-0.1.1/README.md.skt.md -- missing ... fingerprint error for ply-rs v0.1.1: mtime based components have changed Compiling ply-rs v0.1.1 ... Finished dev [unoptimized + debuginfo] target(s) in 6.90 secs $ RUST_LOG=cargo::ops::cargo_rustc::fingerprint=info cargo build ... stale: /home/.../ply-rs-0.1.1/README.md.skt.md -- missing ... fingerprint error for ply-rs v0.1.1: mtime based components have changed Compiling ply-rs v0.1.1 ... Finished dev [unoptimized + debuginfo] target(s) in 6.81 secs Inspired by: assert-rs/assert_cli@ccc8af5 More info: budziq/rust-skeptic#25 rust-lang/cargo#4213
This was referenced Mar 4, 2018
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Even though I didn't modify anything, the crate gets recompiled. I don't think I'm the only one facing this issue: kvark/froggy#26
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