[PATCH v3 0/3] Add some more options to the pretty-formats

This revision only contains style nits in response to review comments. See below.

Eli Schwartz (3):
  pretty.c: rework describe options parsing for better extensibility
  pretty: add tag option to %(describe)
  pretty: add abbrev option to %(describe)

 Documentation/pretty-formats.txt | 16 +++++++---
 pretty.c                         | 54 ++++++++++++++++++++++++++------
 t/t4205-log-pretty-formats.sh    | 16 ++++++++++
 3 files changed, 71 insertions(+), 15 deletions(-)

Range-diff against v2:
1:  1cf0d82b91 ! 1:  55a20468d3 pretty.c: rework describe options parsing for better extensibility
    @@ pretty.c: int format_set_trailers_options(struct process_trailer_options *opts,
     -							&argval, &arglen)) {
     -				matched = options[i];
     +		for (i = 0; !found && i < ARRAY_SIZE(option); i++) {
    -+			switch(option[i].type) {
    ++			switch (option[i].type) {
     +			case OPT_STRING:
     +				if (match_placeholder_arg_value(arg, option[i].name, &arg,
    -+								&argval, &arglen) && arglen) {
    ++								&argval, &arglen)) {
     +					if (!arglen)
     +						return 0;
     +					strvec_pushf(args, "--%s=%.*s", option[i].name, (int)arglen, argval);
2:  cb6af9bc14 ! 2:  c34c8a4f7f pretty: add tag option to %(describe)
    @@ pretty.c: static size_t parse_describe_args(const char *start, struct strvec *ar
      		int i;
      
      		for (i = 0; !found && i < ARRAY_SIZE(option); i++) {
    - 			switch(option[i].type) {
    + 			switch (option[i].type) {
     +			case OPT_BOOL:
    -+				if(match_placeholder_bool_arg(arg, option[i].name, &arg, &optval)) {
    -+					if (optval) {
    ++				if (match_placeholder_bool_arg(arg, option[i].name, &arg, &optval)) {
    ++					if (optval)
     +						strvec_pushf(args, "--%s", option[i].name);
    -+					} else {
    ++					else
     +						strvec_pushf(args, "--no-%s", option[i].name);
    -+					}
     +					found = 1;
     +				}
     +				break;
      			case OPT_STRING:
      				if (match_placeholder_arg_value(arg, option[i].name, &arg,
    - 								&argval, &arglen) && arglen) {
    + 								&argval, &arglen)) {
     
      ## t/t4205-log-pretty-formats.sh ##
     @@ t/t4205-log-pretty-formats.sh: test_expect_success '%(describe:exclude=...) vs git describe --exclude ...' '
3:  08ade18b35 ! 3:  b751aaf3c6 pretty: add abbrev option to %(describe)
    @@ pretty.c: static size_t parse_describe_args(const char *start, struct strvec *ar
      				break;
     +			case OPT_INTEGER:
     +				if (match_placeholder_arg_value(arg, option[i].name, &arg,
    -+								&argval, &arglen) && arglen) {
    ++								&argval, &arglen)) {
    ++					char *endptr;
     +					if (!arglen)
     +						return 0;
    -+					char* endptr;
     +					strtol(argval, &endptr, 10);
     +					if (endptr - argval != arglen)
     +						return 0;
    @@ pretty.c: static size_t parse_describe_args(const char *start, struct strvec *ar
     +				break;
      			case OPT_STRING:
      				if (match_placeholder_arg_value(arg, option[i].name, &arg,
    - 								&argval, &arglen) && arglen) {
    + 								&argval, &arglen)) {
     
      ## t/t4205-log-pretty-formats.sh ##
     @@ t/t4205-log-pretty-formats.sh: test_expect_success '%(describe:tags) vs git describe --tags' '