upstream/mercurial-mirror Files · rust/hgcli/build.rs

rust-dirstate-v2: don't write dirstate if data file has changed...

rust-dirstate-v2: don't write dirstate if data file has changed This fixes the following race: - process A reads the dirstate - process B reads and writes the dirstate - process A writes the dirstate This either resulted in losing what process B had just written or a crash because the `uuid` had changed and we were trying to write to a file that doesn't exist. More explanations inside. This doesn't fix the issue for dirstate-v1, a later patch addresses it.

Martin von Zweigbergk - - Load All Authors

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r46195:426294d0 default


                r51139:07d030b3

stable

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             build.rs
        
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                | application/rls-services+xml
            
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             / rust / hgcli / build.rs
          
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      // This Source Code Form is subject to the terms of the Mozilla Public

      // License, v. 2.0. If a copy of the MPL was not distributed with this

      // file, You can obtain one at https://mozilla.org/MPL/2.0/.

      /*! Build script to integrate PyOxidizer. */

      fn main() {

          if let Ok(config_rs) =

              std::env::var("DEP_PYTHONXY_DEFAULT_PYTHON_CONFIG_RS")

          {

              println!(

                  "cargo:rustc-env=PYOXIDIZER_DEFAULT_PYTHON_CONFIG_RS={}",

                  config_rs

              );

          } else {

              panic!("unable to find build artifacts generated by pyembed crate");

          }

      }

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				// This Source Code Form is subject to the terms of the Mozilla Public
				// License, v. 2.0. If a copy of the MPL was not distributed with this
				// file, You can obtain one at https://mozilla.org/MPL/2.0/.

				/! Build script to integrate PyOxidizer. /

				fn main() {
				if let Ok(config_rs) =
				std::env::var("DEP_PYTHONXY_DEFAULT_PYTHON_CONFIG_RS")
				{
				println!(
				"cargo:rustc-env=PYOXIDIZER_DEFAULT_PYTHON_CONFIG_RS={}",
				config_rs
				);
				} else {
				panic!("unable to find build artifacts generated by pyembed crate");
				}
				}