filter-repo: add text removal (or replacement) via file of expressions
Make it easy for users to search and replace text throughout the
repository history. Instead of inventing some new syntax, reuse the
same syntax used by BFG repo filter's --replace-text option, namely,
a file with one expression per line of the form
[regex:|glob:|literal:]$MATCH_EXPR[==>$REPLACEMENT_EXPR]
Where "$MATCH_EXPR" is by default considered to be literal text, but
could be a regex or a glob if the appropriate prefix is used. Also,
$REPLACEMENT_EXPR defaults to '***REMOVED***' if not specified. If
you want a literal '==>' to be part of your $MATCH_EXPR, then you
must also manually specify a replacement expression instead of taking
the default. Some examples:
sup3rs3kr3t
(replaces 'sup3rs3kr3t' with '***REMOVED***')
HeWhoShallNotBeNamed==>Voldemort
(replaces 'HeWhoShallNotBeNamed' with 'Voldemort')
very==>
(replaces 'very' with the empty string)
regex:(\d{2})/(\d{2})/(\d{4})==>\2/\1/\3
(replaces '05/17/2012' with '17/05/2012', and vice-versa)
The format for regex is as from
re.sub(<pattern>, <repl>, <string>) from
https://docs.python.org/2/library/re.html
The <string> comes from file contents of the repo, and you specify
the <pattern> and <repl>.
glob:Copy*t==>Cartel
(replaces 'Copyright' or 'Copyleft' or 'Copy my st' with 'Cartel')
Signed-off-by: Elijah Newren <newren@gmail.com>
2019-01-30 09:56:22 +01:00
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mod==>modified-by-gremlins
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