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GIT-STRIPSPACE(1) Git Manual GIT-STRIPSPACE(1)
NAME git-stripspace - Remove unnecessary whitespace
SYNOPSIS git stripspace [-s | --strip-comments] git stripspace [-c | --comment-lines]

DESCRIPTION Read text, such as commit messages, notes, tags and branch descriptions, from the standard input and clean it in the manner used by Git.
With no arguments, this will:
o remove trailing whitespace from all lines
o collapse multiple consecutive empty lines into one empty line
o remove empty lines from the beginning and end of the input
o add a missing \n to the last line if necessary.
In the case where the input consists entirely of whitespace characters, no output will be produced.
NOTE: This is intended for cleaning metadata, prefer the --whitespace=fix mode of git-apply(1) for correcting whitespace of patches or files in the repository.
OPTIONS -s, --strip-comments Skip and remove all lines starting with comment character (default #).
-c, --comment-lines Prepend comment character and blank to each line. Lines will automatically be terminated with a newline. On empty lines, only the comment character will be prepended.
EXAMPLES Given the following noisy input with $ indicating the end of a line:
|A brief introduction $ | $ |$ |A new paragraph$ |# with a commented-out line $ |explaining lots of stuff.$ |$ |# An old paragraph, also commented-out. $ | $ |The end.$ | $

Use git stripspace with no arguments to obtain: |# An old paragraph, also commented-out.$ |$ |The end.$

Use git stripspace --strip-comments to obtain:
|A brief introduction$ |$ |A new paragraph$ |explaining lots of stuff.$ |$ |The end.$

GIT Part of the git(1) suite
Git 2.42.0 2023-08-21 GIT-STRIPSPACE(1)