On 11/04/2016 08:13 PM, Ian Jackson wrote: > Signed-off-by: Ian Jackson <ijackson@xxxxxxxxxxxxxxxxxxxxxx> > --- > Documentation/git-check-ref-format.txt | 10 ++++++++-- > builtin/check-ref-format.c | 34 +++++++++++++++++++++++++++++++--- > 2 files changed, 39 insertions(+), 5 deletions(-) > > [...] > diff --git a/builtin/check-ref-format.c b/builtin/check-ref-format.c > index 559d5c2..87f52fa 100644 > --- a/builtin/check-ref-format.c > +++ b/builtin/check-ref-format.c > @@ -76,6 +76,7 @@ static int check_one_ref_format(const char *refname) > int cmd_check_ref_format(int argc, const char **argv, const char *prefix) > { > int i; > + int use_stdin = 0; > > if (argc == 2 && !strcmp(argv[1], "-h")) > usage(builtin_check_ref_format_usage); > @@ -93,6 +94,8 @@ int cmd_check_ref_format(int argc, const char **argv, const char *prefix) > check_branch = 1; > else if (!strcmp(argv[i], "--report-errors")) > report_errors = 1; > + else if (!strcmp(argv[i], "--stdin")) > + use_stdin = 1; > else > usage(builtin_check_ref_format_usage); > } > @@ -100,8 +103,33 @@ int cmd_check_ref_format(int argc, const char **argv, const char *prefix) > if (check_branch && (flags || normalize)) > usage(builtin_check_ref_format_usage); > > - if (! (i == argc - 1)) > - usage(builtin_check_ref_format_usage); > + if (!use_stdin) { > + if (! (i == argc - 1)) > + usage(builtin_check_ref_format_usage); > + > + return check_one_ref_format(argv[i]); > + } else { > + char buffer[2048]; > + int worst = 0; > > - return check_one_ref_format(argv[i]); > + if (! (i == argc)) > + usage(builtin_check_ref_format_usage); > + > + while (fgets(buffer, sizeof(buffer), stdin)) { > + char *newline = strchr(buffer, '\n'); > + if (!newline) { > + fprintf(stderr, "%s --stdin: missing final newline or line too long\n", *argv); > + exit(127); > + } > + *newline = 0; > + int got = check_one_ref_format(buffer); Another minor point: project policy is not to mix declarations and code. Please declare `got` at the top of the block. > + if (got > worst) > + worst = got; > + } > + if (!feof(stdin)) { > + perror("reading from stdin"); > + exit(127); > + } > + return worst; > + } > } > Michael