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hg-serve:tldr:b0a40
The command "hg serve --port ${port}" is used to start a Mercurial server to serve a repository over HTTP, and the variable ${port} is expected to be replaced with a specific port number.
Here's a breakdown of each part of the command:
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"hg serve": This is the main command to start the Mercurial server. It initializes a web server that hosts the repository and allows clients to interact with it.
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"--port": This is a flag or option that specifies the port number on which the server will listen for incoming client connections. The port number should come after this flag.
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"${port}": This is a placeholder for an actual port number that you need to specify when running the command. It is a variable that is expected to be replaced with a specific numerical value.
For example, if you want to start the Mercurial server on port 8000, you would run the command: "hg serve --port 8000". Replace the "${port}" with "8000" to indicate that the server should listen on port 8000.
Note: Make sure to choose a port number that is not already in use by another application on your system.