git-filter-repo/t/t9390-filter-repo.sh
Elijah Newren 73e91edecc 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>
2019-04-26 07:56:03 -07:00

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#!/bin/bash
test_description='Basic filter-repo tests'
. ./test-lib.sh
export PATH=$(dirname $TEST_DIRECTORY):$PATH # Put git-filter-repo in PATH
DATA="$TEST_DIRECTORY/t9390"
filter_testcase() {
INPUT=$1
OUTPUT=$2
shift 2
REST=("$@")
NAME="check: $INPUT -> $OUTPUT using '${REST[@]}'"
test_expect_success "$NAME" '
# Clean up from previous run
git pack-refs --all &&
rm .git/packed-refs &&
# Run the example
cat $DATA/$INPUT | git filter-repo --stdin --quiet --force ${REST[@]} &&
# Compare the resulting repo to expected value
git fast-export --use-done-feature --all >compare &&
test_cmp $DATA/$OUTPUT compare
'
}
filter_testcase basic basic-filename --path filename
filter_testcase basic basic-twenty --path twenty
filter_testcase basic basic-ten --path ten
filter_testcase basic basic-mailmap --mailmap ../t9390/sample-mailmap
filter_testcase basic basic-replace --replace-text ../t9390/sample-replace
test_done