/** Parse the command-line options taken from git */
static void parse_opts(struct opts *o, int argc, char *argv[])
{
struct args_info args = ARGS_INFO_INIT;
for (args.pos = 1; args.pos < argc; ++args.pos) {
char *a = argv[args.pos];
if (a[0] != '-') {
if (o->rev != NULL)
usage("Only one rev should be provided", NULL);
else
o->rev = a;
}
else if (!strcmp(a, "-t"))
o->action = SHOW_TYPE;
else if (!strcmp(a, "-s"))
o->action = SHOW_SIZE;
else if (!strcmp(a, "-e"))
o->action = SHOW_NONE;
else if (!strcmp(a, "-p"))
o->action = SHOW_PRETTY;
else if (!strcmp(a, "-q"))
o->verbose = 0;
else if (!strcmp(a, "-v"))
o->verbose = 1;
else if (!strcmp(a, "--help") || !strcmp(a, "-h"))
usage(NULL, NULL);
else if (!match_str_arg(&o->dir, &args, "--git-dir"))
usage("Unknown option", a);
}
if (!o->action || !o->rev)
usage(NULL, NULL);
}
/** Parse command line arguments and choose action to run when done */
static void parse_options(tag_action *action, tag_options *opts, int argc, char **argv)
{
args_info args = ARGS_INFO_INIT;
*action = &action_list_tags;
for (args.pos = 1; args.pos < argc; ++args.pos) {
const char *curr = argv[args.pos];
if (curr[0] != '-') {
if (!opts->tag_name)
opts->tag_name = curr;
else if (!opts->target)
opts->target = curr;
else
print_usage();
if (*action != &action_create_tag)
*action = &action_create_lighweight_tag;
} else if (!strcmp(curr, "-n")) {
opts->num_lines = 1;
*action = &action_list_tags;
} else if (!strcmp(curr, "-a")) {
*action = &action_create_tag;
} else if (!strcmp(curr, "-f")) {
opts->force = 1;
} else if (match_int_arg(&opts->num_lines, &args, "-n", 0)) {
*action = &action_list_tags;
} else if (match_str_arg(&opts->pattern, &args, "-l")) {
*action = &action_list_tags;
} else if (match_str_arg(&opts->tag_name, &args, "-d")) {
*action = &action_delete_tag;
} else if (match_str_arg(&opts->message, &args, "-m")) {
*action = &action_create_tag;
}
}
}
/** Parse command line arguments */
static void parse_options(describe_options *opts, int argc, char **argv)
{
args_info args = ARGS_INFO_INIT;
for (args.pos = 1; args.pos < argc; ++args.pos) {
const char *curr = argv[args.pos];
if (curr[0] != '-') {
opts->commits = (const char **)realloc((void *)opts->commits, ++opts->commit_count);
opts->commits[opts->commit_count - 1] = curr;
} else if (!strcmp(curr, "--all")) {
opts->describe_options.describe_strategy = GIT_DESCRIBE_ALL;
} else if (!strcmp(curr, "--tags")) {
opts->describe_options.describe_strategy = GIT_DESCRIBE_TAGS;
} else if (!strcmp(curr, "--exact-match")) {
opts->describe_options.max_candidates_tags = 0;
} else if (!strcmp(curr, "--long")) {
opts->format_options.always_use_long_format = 1;
} else if (!strcmp(curr, "--always")) {
opts->describe_options.show_commit_oid_as_fallback = 1;
} else if (!strcmp(curr, "--first-parent")) {
opts->describe_options.only_follow_first_parent = 1;
} else if (optional_str_arg(&opts->format_options.dirty_suffix, &args, "--dirty", "-dirty")) {
} else if (match_int_arg((int *)&opts->format_options.abbreviated_size, &args, "--abbrev", 0)) {
} else if (match_int_arg((int *)&opts->describe_options.max_candidates_tags, &args, "--candidates", 0)) {
} else if (match_str_arg(&opts->describe_options.pattern, &args, "--match")) {
}
}
if (opts->commit_count > 0) {
if (opts->format_options.dirty_suffix)
fatal("--dirty is incompatible with commit-ishes", NULL);
}
else {
if (!opts->format_options.dirty_suffix || !opts->format_options.dirty_suffix[0]) {
opts->commits = (const char **)malloc(++opts->commit_count);
opts->commits[0] = "HEAD";
}
}
}
/** Parse arguments as copied from git-diff. */
static void parse_opts(struct opts *o, int argc, char *argv[])
{
struct args_info args = ARGS_INFO_INIT;
for (args.pos = 1; args.pos < argc; ++args.pos) {
const char *a = argv[args.pos];
if (a[0] != '-') {
if (o->treeish1 == NULL)
o->treeish1 = a;
else if (o->treeish2 == NULL)
o->treeish2 = a;
else
usage("Only one or two tree identifiers can be provided", NULL);
}
else if (!strcmp(a, "-p") || !strcmp(a, "-u") ||
!strcmp(a, "--patch")) {
o->output |= OUTPUT_DIFF;
o->format = GIT_DIFF_FORMAT_PATCH;
}
else if (!strcmp(a, "--cached"))
o->cache = CACHE_ONLY;
else if (!strcmp(a, "--nocache"))
o->cache = CACHE_NONE;
else if (!strcmp(a, "--name-only") || !strcmp(a, "--format=name"))
o->format = GIT_DIFF_FORMAT_NAME_ONLY;
else if (!strcmp(a, "--name-status") ||
!strcmp(a, "--format=name-status"))
o->format = GIT_DIFF_FORMAT_NAME_STATUS;
else if (!strcmp(a, "--raw") || !strcmp(a, "--format=raw"))
o->format = GIT_DIFF_FORMAT_RAW;
else if (!strcmp(a, "--format=diff-index")) {
o->format = GIT_DIFF_FORMAT_RAW;
o->diffopts.id_abbrev = 40;
}
else if (!strcmp(a, "--color"))
o->color = 0;
else if (!strcmp(a, "--no-color"))
o->color = -1;
else if (!strcmp(a, "-R"))
o->diffopts.flags |= GIT_DIFF_REVERSE;
else if (!strcmp(a, "-a") || !strcmp(a, "--text"))
o->diffopts.flags |= GIT_DIFF_FORCE_TEXT;
else if (!strcmp(a, "--ignore-space-at-eol"))
o->diffopts.flags |= GIT_DIFF_IGNORE_WHITESPACE_EOL;
else if (!strcmp(a, "-b") || !strcmp(a, "--ignore-space-change"))
o->diffopts.flags |= GIT_DIFF_IGNORE_WHITESPACE_CHANGE;
else if (!strcmp(a, "-w") || !strcmp(a, "--ignore-all-space"))
o->diffopts.flags |= GIT_DIFF_IGNORE_WHITESPACE;
else if (!strcmp(a, "--ignored"))
o->diffopts.flags |= GIT_DIFF_INCLUDE_IGNORED;
else if (!strcmp(a, "--untracked"))
o->diffopts.flags |= GIT_DIFF_INCLUDE_UNTRACKED;
else if (!strcmp(a, "--patience"))
o->diffopts.flags |= GIT_DIFF_PATIENCE;
else if (!strcmp(a, "--minimal"))
o->diffopts.flags |= GIT_DIFF_MINIMAL;
else if (!strcmp(a, "--stat"))
o->output |= OUTPUT_STAT;
else if (!strcmp(a, "--numstat"))
o->output |= OUTPUT_NUMSTAT;
else if (!strcmp(a, "--shortstat"))
o->output |= OUTPUT_SHORTSTAT;
else if (!strcmp(a, "--summary"))
o->output |= OUTPUT_SUMMARY;
else if (match_uint16_arg(
&o->findopts.rename_threshold, &args, "-M") ||
match_uint16_arg(
&o->findopts.rename_threshold, &args, "--find-renames"))
o->findopts.flags |= GIT_DIFF_FIND_RENAMES;
else if (match_uint16_arg(
&o->findopts.copy_threshold, &args, "-C") ||
match_uint16_arg(
&o->findopts.copy_threshold, &args, "--find-copies"))
o->findopts.flags |= GIT_DIFF_FIND_COPIES;
else if (!strcmp(a, "--find-copies-harder"))
o->findopts.flags |= GIT_DIFF_FIND_COPIES_FROM_UNMODIFIED;
else if (is_prefixed(a, "-B") || is_prefixed(a, "--break-rewrites"))
/* TODO: parse thresholds */
o->findopts.flags |= GIT_DIFF_FIND_REWRITES;
else if (!match_uint32_arg(
&o->diffopts.context_lines, &args, "-U") &&
!match_uint32_arg(
&o->diffopts.context_lines, &args, "--unified") &&
!match_uint32_arg(
&o->diffopts.interhunk_lines, &args, "--inter-hunk-context") &&
!match_uint16_arg(
&o->diffopts.id_abbrev, &args, "--abbrev") &&
!match_str_arg(&o->diffopts.old_prefix, &args, "--src-prefix") &&
!match_str_arg(&o->diffopts.new_prefix, &args, "--dst-prefix") &&
!match_str_arg(&o->dir, &args, "--git-dir"))
usage("Unknown command line argument", a);
}
}
