Where is the populated parameter defined in line 915 of the code?

[xzxzhao2013]

cpm_fetch_package("${CPM_ARGS_NAME}" ${DOWNLOAD_ONLY} populated ${CPM_ARGS_UNPARSED_ARGUMENTS})

I didn't find the definition of "populated"

[Avus-c]

Yeah it's a weird section of the code.

here, populated is just a string that gets passed as the 3rd argument.
cpm_fetch_package uses the string and sets a variable named after that string.
the populated variable is used a few lines after the call cpm_fetch_populated to.

Basically we are telling cpm_fetch_package what name the variable should have it's defining.
Could probably be refactored to be clearer : )

[xzxzhao2013]

Thank you very much, I understand