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5af7707a35
If ripgrep was called in a way where the entire contents of a file aren't read (like --files-with-matches, among other methods), and if the file was read through an external process, then ripgrep would never reap that process. We fix this by introducing an explicit 'close' method, which we now call when using decompression or preprocessor searches. The implementation of 'close' is a little hokey. In particular, when we close stdout, this usually results in a broken pipe, and, consequently, a non-zero code returned once the child process is reaped. This is "situation normal," so we invent a (hopefully portable) heuristic for detecting it. Fixes #1766, Closes #1767