Allow {up,down}grade to specified composer_version
#85
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I like having a reproducible environment everywhere, and as Composer is capable of up- and downgrading via
self-update
, I added a task to {up,down}grade to the version specified in the existing variablecomposer_version
.This way this variable is not only respected upon the initial installation, but also if Composer is already installed on a system.
I also updated the string to check for
changed_when
, since it is now 'Upgrading to version' instead of 'Updating to version'.Cheers!