util/lint/helper_functions.sh

   1 #!/usr/bin/env sh
   2 #
   3 # SPDX-License-Identifier: GPL-2.0-only
   4
   5 # This file is sourced by the linters so that each one doesn't have to
   6 # specify these routines individually
   7
   8 LC_ALL=C export LC_ALL
   9
  10 if [ -z "$GIT" ]; then
  11         GIT="$(command -v git)"
  12 else
  13         # If git is specified, Do a basic check that it runs and seems like
  14         # it's actually git
  15         if ! "${GIT}" --version | grep -q git; then
  16                 echo "Error: ${GIT} does not seem to be valid."
  17                 exit 1;
  18         fi
  19 fi
  20
  21 if [ "$(${GIT} rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then
  22         IN_GIT_TREE=1
  23 else
  24         IN_GIT_TREE=0
  25 fi
  26
  27 if [ "${IN_GIT_TREE}" -eq 1 ] && [ -z "${GIT}" ]; then
  28         echo "This test needs git to run.  Please install it, then run this test again."
  29         exit 1
  30 fi
  31
  32 # Use git ls-files if the code is in a git repo, otherwise use find.
  33 if [ "${IN_GIT_TREE}" -eq 1 ]; then
  34         FIND_FILES="${GIT} ls-files"
  35 else
  36         FIND_FILES="find "
  37         FINDOPTS="-type f"
  38 fi
  39
  40 # Use git grep if the code is in a git repo, otherwise use grep.
  41 if [ "${IN_GIT_TREE}" -eq 1 ]; then
  42         GREP_FILES="${GIT} grep"
  43 else
  44         GREP_FILES="grep -r"
  45 fi