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* Mention optional settings * Mention removed settings * Add links to system requirements * markdownlint fixes * Remove trailing spaces * Mention boolean elements * Add preshutdown * Add `dev ps` command * Stop misleading * Why aren't you using Windows 10? * Add `stdoutPath`/`stderrPath` * Relative paths and the default working directory * Send a close message to Windows (GUI) apps * Use valid XML * Add `customize` and `dev kill` commands * Update README.md * Add commands * Fix spacing * Update installation.md * Update README.md
23 lines
966 B
Markdown
23 lines
966 B
Markdown
# Deferred file operations
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To support self updating services, winsw offers a mechanism to perform file operations before the process you specified in the configuration file gets launched.
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This is often necessary because Windows prevents a file from being overwritten while it's in use.
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To perform file operations, write a text file (in the UTF-8 encoding) at *myapp.copies*
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(that is, it's in the same directory as *myapp.xml* and *myapp.exe* but with a different file extension),
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and for each operation add one line:
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* To move a file, write a line `src>dst`. If the `dst` file already exists it will be overwritten.
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The success or failure of these operations will be recorded in the event log.
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`src` and `dst` should be the full path to file, or you will see failed to copy file.
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example:
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```
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c:\soft\sshd.exe.new>c:\bin\ssh.exe
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```
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The `<download>` element in the configuration file also provides an useful building block for a self updating service.
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