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Makefile Cheat Sheet/Override from command line

Pass variable values when invoking make.

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Section: Variables and assignment

Override from command line

bash
bash
make IMAGE_TAG=2026.03.06 deploy
Explanation

Command-line variables override normal makefile assignments.

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Related commands

Same sheet · prioritizing Variables and assignment
Force override in makefile
Override even a command-line assignment.
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Recursive variable
Expand later when used.
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Simple variable
Expand immediately at assignment time.
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Append to variable
Add text to an existing variable.
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Set if undefined
Assign only if variable is not already set.
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Export variable to recipes
Pass a variable into the shell environment of recipe commands.
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