[PATCH 4/9 v2] Add replace-spdx-license.sh script

[Dodji Seketeli]

Giuliano Procida <gprocida@google.com> writes:

> FTR
>
> Signed-off-by: Giuliano Procida <gprocida@google.com>

Thanks Giuliano,

I have updated the licensing branch accordingly!

Cheers!

>
> On Wed, 15 Jul 2020 at 16:14, Dodji Seketeli <dodji@redhat.com> wrote:
>
>> This script is to replace an SPDX license ID by another one.
>> I.e, it's to perform an actual re-licensing of a given file.
>>
>> A way to use the script is this:
>>
>>     replace-spdx-license.sh  --from LGPL-3.0-or-later \
>>                               --to  "Apache-2.0 WITH LLVM-exception" \
>>                               some-file-to-relicense.cc
>>
>>         * relicensing-scripts/replace-spdx-license.sh: New script.
>>
>> Signed-off-by: Dodji Seketeli <dodji@redhat.com>
>> Signed-off-by: Matthias Maennich <maennich@google.com>
>> ---
>>  relicensing-scripts/replace-spdx-license.sh | 75
>> +++++++++++++++++++++++++++++
>>  1 file changed, 75 insertions(+)
>>  create mode 100755 relicensing-scripts/replace-spdx-license.sh
>>
>> diff --git a/relicensing-scripts/replace-spdx-license.sh
>> b/relicensing-scripts/replace-spdx-license.sh
>> new file mode 100755
>> index 0000000..f634528
>> --- /dev/null
>> +++ b/relicensing-scripts/replace-spdx-license.sh
>> @@ -0,0 +1,75 @@
>> +#!/bin/sh
>> +# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
>> +# Author: Dodji Seketeli <dodji@redhat.com>
>> +
>> +from_license_id=
>> +to_license_id=
>> +input_file=
>> +prog=$0
>> +
>> +display_usage()
>> +{
>> +    echo "$prog: [options] --from <from-spdx-license-id> --to
>> <to-spdx-license-id> <file>"
>> +    echo "  where options can be:"
>> +    echo "   -h|--h            display this help"
>> +}
>> +
>> +main()
>> +{
>> +    header=$(head --lines=5 $input_file | grep "SPDX-License-Identifier:")
>> +    if test "x$header" != x; then
>> +       license=$(echo "$header" | sed -r
>> "s/^.*(SPDX-License-Identifier:)[     ]*([^*/]+).*$/\2/")
>> +    fi
>> +
>> +    if test "x$license" != x -a "$license" = "$from_license_id"; then
>> +       sed -i -r "s/$from_license_id/$to_license_id/" $input_file
>> +       exit 0
>> +    fi
>> +
>> +    exit 1
>> +}
>> +
>> +# This program takes at least 5 arguments
>> +if test $# -lt 5; then
>> +    >&2 display_usage
>> +    exit 1
>> +fi
>> +
>> +# Parse parameters
>> +while test $# -gt 1; do
>> +    case "$1" in
>> +       -h|--h)
>> +           display_usage
>> +           exit 0
>> +           ;;
>> +
>> +       -f|--from)
>> +           from_license_id=$2
>> +           shift
>> +           ;;
>> +
>> +       -t|--to)
>> +           to_license_id=$2
>> +           shift
>> +           ;;
>> +
>> +       -*)
>> +           >&2 display_usage
>> +           exit 1
>> +           ;;
>> +
>> +       *)
>> +           input_file="$1"
>> +           ;;
>> +    esac
>> +    shift
>> +done
>> +
>> +if test $# -lt 1; then
>> +    >&2 display_usage
>> +    exit 1
>> +fi
>> +
>> +input_file=$1
>> +
>> +main
>> --
>> 1.8.3.1
>>
>>
>> --
>>                 Dodji
>>
>>

-- 
		Dodji