The script devtools/parse-flow-support.sh uses the git-grep option (-o, --only-matching), which is only supported from git version 2.19 and onwards.[1]
The script now exits early providing a clear message to the user about the required git version instead of showing the following error messages multiple times: error: unknown switch `o' usage: git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...] [..] [1] https://github.com/git/git/blob/v2.19.0/Documentation/RelNotes/2.19.0.txt Signed-off-by: Ali Alnubani <alia...@nvidia.com> Signed-off-by: Thomas Monjalon <tho...@monjalon.net> --- Changes in v2: - Refer to filename by $0 (Suggested by David Marchand). devtools/parse-flow-support.sh | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/devtools/parse-flow-support.sh b/devtools/parse-flow-support.sh index 63c0b20e23..9811c7881c 100755 --- a/devtools/parse-flow-support.sh +++ b/devtools/parse-flow-support.sh @@ -13,6 +13,12 @@ if [ -z "$dir" ]; then exit 1 fi +# test git-grep for -o (--only-matching) option +if ! git grep -qo git -- $0 >/dev/null 2>&1; then + echo "git version >= 2.19 is required" >&2 + exit 1 +fi + # sorting order export LC_COLLATE=C -- 2.25.1
