it's sometimes useful to be able to pass output message of
git-mailinfo through git-interpret-trailers,
but that creates problems since that does not
include the subject and an empty line after that,
making interpret-trailers add an empty line.
Add a flag to bypass adding the blank line.
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
trailer.h | 2 +-
builtin/interpret-trailers.c | 9 +++++++--
trailer.c | 10 +++++++---
3 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/trailer.h b/trailer.h
index 36b40b8..afcf680 100644
--- a/trailer.h
+++ b/trailer.h
@@ -2,6 +2,6 @@
#define TRAILER_H
void process_trailers(const char *file, int in_place, int trim_empty,
- struct string_list *trailers);
+ int suppress_blank_line, struct string_list *trailers);
#endif /* TRAILER_H */
diff --git a/builtin/interpret-trailers.c b/builtin/interpret-trailers.c
index 18cf640..4a92788 100644
--- a/builtin/interpret-trailers.c
+++ b/builtin/interpret-trailers.c
@@ -18,11 +18,14 @@ static const char * const git_interpret_trailers_usage[] = {
int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
{
+ int suppress_blank_line = 0;
int in_place = 0;
int trim_empty = 0;
struct string_list trailers = STRING_LIST_INIT_DUP;
struct option options[] = {
+ OPT_BOOL(0, "suppress-blank-line", &suppress_blank_line,
+ N_("suppress prefixing tailer(s) with a blank line ")),
OPT_BOOL(0, "in-place", &in_place, N_("edit files in place")),
OPT_BOOL(0, "trim-empty", &trim_empty, N_("trim empty trailers")),
OPT_STRING_LIST('t', "trailer", &trailers, N_("trailer"),
@@ -36,11 +39,13 @@ int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
if (argc) {
int i;
for (i = 0; i < argc; i++)
- process_trailers(argv[i], in_place, trim_empty, &trailers);
+ process_trailers(argv[i], in_place, trim_empty,
+ suppress_blank_line, &trailers);
} else {
if (in_place)
die(_("no input file given for in-place editing"));
- process_trailers(NULL, in_place, trim_empty, &trailers);
+ process_trailers(NULL, in_place, trim_empty,
+ suppress_blank_line, &trailers);
}
string_list_clear(&trailers, 0);
diff --git a/trailer.c b/trailer.c
index 8e48a5c..8e5be91 100644
--- a/trailer.c
+++ b/trailer.c
@@ -805,6 +805,7 @@ static void print_lines(FILE *outfile, struct strbuf **lines, int start, int end
static int process_input_file(FILE *outfile,
struct strbuf **lines,
+ int suppress_blank_line,
struct trailer_item **in_tok_first,
struct trailer_item **in_tok_last)
{
@@ -822,7 +823,8 @@ static int process_input_file(FILE *outfile,
/* Print lines before the trailers as is */
print_lines(outfile, lines, 0, trailer_start);
- if (!has_blank_line_before(lines, trailer_start - 1))
+ if (!suppress_blank_line &&
+ !has_blank_line_before(lines, trailer_start - 1))
fprintf(outfile, "\n");
/* Parse trailer lines */
@@ -875,7 +877,8 @@ static FILE *create_in_place_tempfile(const char *file)
return outfile;
}
-void process_trailers(const char *file, int in_place, int trim_empty, struct string_list *trailers)
+void process_trailers(const char *file, int in_place, int trim_empty,
+ int suppress_blank_line, struct string_list *trailers)
{
struct trailer_item *in_tok_first = NULL;
struct trailer_item *in_tok_last = NULL;
@@ -894,7 +897,8 @@ void process_trailers(const char *file, int in_place, int trim_empty, struct str
outfile = create_in_place_tempfile(file);
/* Print the lines before the trailers */
- trailer_end = process_input_file(outfile, lines, &in_tok_first, &in_tok_last);
+ trailer_end = process_input_file(outfile, lines, suppress_blank_line,
+ &in_tok_first, &in_tok_last);
arg_tok_first = process_command_line_args(trailers);
--
MST
--
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