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minimap2/main.c

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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "bseq.h"
#include "minimap.h"
#include "mmpriv.h"
#ifdef HAVE_GETOPT
#include <getopt.h>
#else
#include "getopt.h"
#endif
#define MM_VERSION "2.11-r797"
#ifdef __linux__
#include <sys/resource.h>
#include <sys/time.h>
void liftrlimit()
{
struct rlimit r;
getrlimit(RLIMIT_AS, &r);
r.rlim_cur = r.rlim_max;
setrlimit(RLIMIT_AS, &r);
}
#else
void liftrlimit() {}
#endif
static struct option long_options[] = {
{ "bucket-bits", required_argument, 0, 0 },
{ "mb-size", required_argument, 0, 'K' },
{ "seed", required_argument, 0, 0 },
{ "no-kalloc", no_argument, 0, 0 },
{ "print-qname", no_argument, 0, 0 },
{ "no-self", no_argument, 0, 'D' },
{ "print-seeds", no_argument, 0, 0 },
{ "max-chain-skip", required_argument, 0, 0 },
{ "min-dp-len", required_argument, 0, 0 },
{ "print-aln-seq", no_argument, 0, 0 },
{ "splice", no_argument, 0, 0 },
{ "cost-non-gt-ag", required_argument, 0, 'C' },
{ "no-long-join", no_argument, 0, 0 },
{ "sr", no_argument, 0, 0 },
{ "frag", required_argument, 0, 0 },
{ "secondary", required_argument, 0, 0 },
{ "cs", optional_argument, 0, 0 },
{ "end-bonus", required_argument, 0, 0 },
{ "no-pairing", no_argument, 0, 0 },
{ "splice-flank", required_argument, 0, 0 },
{ "idx-no-seq", no_argument, 0, 0 },
{ "end-seed-pen", required_argument, 0, 0 }, // 21
{ "for-only", no_argument, 0, 0 }, // 22
{ "rev-only", no_argument, 0, 0 }, // 23
{ "heap-sort", required_argument, 0, 0 }, // 24
{ "all-chain", no_argument, 0, 'P' },
{ "dual", required_argument, 0, 0 }, // 26
{ "max-clip-ratio", required_argument, 0, 0 }, // 27
{ "min-occ-floor", required_argument, 0, 0 }, // 28
{ "MD", no_argument, 0, 0 }, // 29
{ "lj-min-ratio", required_argument, 0, 0 }, // 30
{ "score-N", required_argument, 0, 0 }, // 31
{ "eqx", no_argument, 0, 0 }, // 32
{ "paf-no-hit", no_argument, 0, 0 }, // 33
{ "split-prefix", required_argument, 0, 0 }, // 34
{ "help", no_argument, 0, 'h' },
{ "max-intron-len", required_argument, 0, 'G' },
{ "version", no_argument, 0, 'V' },
{ "min-count", required_argument, 0, 'n' },
{ "min-chain-score",required_argument, 0, 'm' },
{ "mask-level", required_argument, 0, 'M' },
{ "min-dp-score", required_argument, 0, 's' },
{ "sam", no_argument, 0, 'a' },
{ 0, 0, 0, 0}
};
static inline int64_t mm_parse_num(const char *str)
{
double x;
char *p;
x = strtod(str, &p);
if (*p == 'G' || *p == 'g') x *= 1e9;
else if (*p == 'M' || *p == 'm') x *= 1e6;
else if (*p == 'K' || *p == 'k') x *= 1e3;
return (int64_t)(x + .499);
}
static inline void yes_or_no(mm_mapopt_t *opt, int flag, int long_idx, const char *arg, int yes_to_set)
{
if (yes_to_set) {
if (strcmp(arg, "yes") == 0 || strcmp(arg, "y") == 0) opt->flag |= flag;
else if (strcmp(arg, "no") == 0 || strcmp(arg, "n") == 0) opt->flag &= ~flag;
else fprintf(stderr, "[WARNING]\033[1;31m option '--%s' only accepts 'yes' or 'no'.\033[0m\n", long_options[long_idx].name);
} else {
if (strcmp(arg, "yes") == 0 || strcmp(arg, "y") == 0) opt->flag &= ~flag;
else if (strcmp(arg, "no") == 0 || strcmp(arg, "n") == 0) opt->flag |= flag;
else fprintf(stderr, "[WARNING]\033[1;31m option '--%s' only accepts 'yes' or 'no'.\033[0m\n", long_options[long_idx].name);
}
}
int main(int argc, char *argv[])
{
const char *opt_str = "2aSDw:k:K:t:r:f:Vv:g:G:I:d:XT:s:x:Hcp:M:n:z:A:B:O:E:m:N:Qu:R:hF:LC:yY";
mm_mapopt_t opt;
mm_idxopt_t ipt;
int i, c, n_threads = 3, n_parts, long_idx;
char *fnw = 0, *rg = 0, *s;
FILE *fp_help = stderr;
mm_idx_reader_t *idx_rdr;
mm_idx_t *mi;
mm_verbose = 3;
liftrlimit();
mm_realtime0 = realtime();
mm_set_opt(0, &ipt, &opt);
while ((c = getopt_long(argc, argv, opt_str, long_options, &long_idx)) >= 0) // apply option -x/preset first
if (c == 'x') {
if (mm_set_opt(optarg, &ipt, &opt) < 0) {
fprintf(stderr, "[ERROR] unknown preset '%s'\n", optarg);
return 1;
}
break;
}
optind = 0; // for musl getopt, optind=0 has the same effect as optreset=1; older libc doesn't have optreset
while ((c = getopt_long(argc, argv, opt_str, long_options, &long_idx)) >= 0) {
if (c == 'w') ipt.w = atoi(optarg);
else if (c == 'k') ipt.k = atoi(optarg);
else if (c == 'H') ipt.flag |= MM_I_HPC;
else if (c == 'd') fnw = optarg; // the above are indexing related options, except -I
else if (c == 'r') opt.bw = (int)mm_parse_num(optarg);
else if (c == 't') n_threads = atoi(optarg);
else if (c == 'v') mm_verbose = atoi(optarg);
else if (c == 'g') opt.max_gap = (int)mm_parse_num(optarg);
else if (c == 'G') mm_mapopt_max_intron_len(&opt, (int)mm_parse_num(optarg));
else if (c == 'F') opt.max_frag_len = (int)mm_parse_num(optarg);
else if (c == 'N') opt.best_n = atoi(optarg);
else if (c == 'p') opt.pri_ratio = atof(optarg);
else if (c == 'M') opt.mask_level = atof(optarg);
else if (c == 'c') opt.flag |= MM_F_OUT_CG | MM_F_CIGAR;
else if (c == 'D') opt.flag |= MM_F_NO_DIAG;
else if (c == 'P') opt.flag |= MM_F_ALL_CHAINS;
else if (c == 'X') opt.flag |= MM_F_ALL_CHAINS | MM_F_NO_DIAG | MM_F_NO_DUAL | MM_F_NO_LJOIN; // -D -P --no-long-join --dual=no
else if (c == 'a') opt.flag |= MM_F_OUT_SAM | MM_F_CIGAR;
else if (c == 'Q') opt.flag |= MM_F_NO_QUAL;
else if (c == 'Y') opt.flag |= MM_F_SOFTCLIP;
else if (c == 'L') opt.flag |= MM_F_LONG_CIGAR;
else if (c == 'y') opt.flag |= MM_F_COPY_COMMENT;
else if (c == 'T') opt.sdust_thres = atoi(optarg);
else if (c == 'n') opt.min_cnt = atoi(optarg);
else if (c == 'm') opt.min_chain_score = atoi(optarg);
else if (c == 'A') opt.a = atoi(optarg);
else if (c == 'B') opt.b = atoi(optarg);
else if (c == 's') opt.min_dp_max = atoi(optarg);
else if (c == 'C') opt.noncan = atoi(optarg);
else if (c == 'I') ipt.batch_size = mm_parse_num(optarg);
else if (c == 'K') opt.mini_batch_size = (int)mm_parse_num(optarg);
else if (c == 'R') rg = optarg;
else if (c == 'h') fp_help = stdout;
else if (c == '2') opt.flag |= MM_F_2_IO_THREADS;
else if (c == 0 && long_idx == 0) ipt.bucket_bits = atoi(optarg); // --bucket-bits
else if (c == 0 && long_idx == 2) opt.seed = atoi(optarg); // --seed
else if (c == 0 && long_idx == 3) mm_dbg_flag |= MM_DBG_NO_KALLOC; // --no-kalloc
else if (c == 0 && long_idx == 4) mm_dbg_flag |= MM_DBG_PRINT_QNAME; // --print-qname
else if (c == 0 && long_idx == 6) mm_dbg_flag |= MM_DBG_PRINT_QNAME | MM_DBG_PRINT_SEED, n_threads = 1; // --print-seed
else if (c == 0 && long_idx == 7) opt.max_chain_skip = atoi(optarg); // --max-chain-skip
else if (c == 0 && long_idx == 8) opt.min_ksw_len = atoi(optarg); // --min-dp-len
else if (c == 0 && long_idx == 9) mm_dbg_flag |= MM_DBG_PRINT_QNAME | MM_DBG_PRINT_ALN_SEQ, n_threads = 1; // --print-aln-seq
else if (c == 0 && long_idx ==10) opt.flag |= MM_F_SPLICE; // --splice
else if (c == 0 && long_idx ==12) opt.flag |= MM_F_NO_LJOIN; // --no-long-join
else if (c == 0 && long_idx ==13) opt.flag |= MM_F_SR; // --sr
else if (c == 0 && long_idx ==17) opt.end_bonus = atoi(optarg); // --end-bonus
else if (c == 0 && long_idx ==18) opt.flag |= MM_F_INDEPEND_SEG; // --no-pairing
else if (c == 0 && long_idx ==20) ipt.flag |= MM_I_NO_SEQ; // --idx-no-seq
else if (c == 0 && long_idx ==21) opt.anchor_ext_shift = atoi(optarg); // --end-seed-pen
else if (c == 0 && long_idx ==22) opt.flag |= MM_F_FOR_ONLY; // --for-only
else if (c == 0 && long_idx ==23) opt.flag |= MM_F_REV_ONLY; // --rev-only
else if (c == 0 && long_idx ==27) opt.max_clip_ratio = atof(optarg); // --max-clip-ratio
else if (c == 0 && long_idx ==28) opt.min_mid_occ = atoi(optarg); // --min-occ-floor
else if (c == 0 && long_idx ==29) opt.flag |= MM_F_OUT_MD; // --MD
else if (c == 0 && long_idx ==30) opt.min_join_flank_ratio = atof(optarg); // --lj-min-ratio
else if (c == 0 && long_idx ==31) opt.sc_ambi = atoi(optarg); // --score-N
else if (c == 0 && long_idx ==32) opt.flag |= MM_F_EQX; // --eqx
else if (c == 0 && long_idx ==33) opt.flag |= MM_F_PAF_NO_HIT; // --paf-no-hit
else if (c == 0 && long_idx ==34) opt.split_prefix = optarg; // --split-prefix
else if (c == 0 && long_idx == 14) { // --frag
yes_or_no(&opt, MM_F_FRAG_MODE, long_idx, optarg, 1);
} else if (c == 0 && long_idx == 15) { // --secondary
yes_or_no(&opt, MM_F_NO_PRINT_2ND, long_idx, optarg, 0);
} else if (c == 0 && long_idx == 16) { // --cs
opt.flag |= MM_F_OUT_CS | MM_F_CIGAR;
if (optarg == 0 || strcmp(optarg, "short") == 0) {
opt.flag &= ~MM_F_OUT_CS_LONG;
} else if (strcmp(optarg, "long") == 0) {
opt.flag |= MM_F_OUT_CS_LONG;
} else if (strcmp(optarg, "none") == 0) {
opt.flag &= ~MM_F_OUT_CS;
} else if (mm_verbose >= 2) {
fprintf(stderr, "[WARNING]\033[1;31m --cs only takes 'short' or 'long'. Invalid values are assumed to be 'short'.\033[0m\n");
}
} else if (c == 0 && long_idx == 19) { // --splice-flank
yes_or_no(&opt, MM_F_SPLICE_FLANK, long_idx, optarg, 1);
} else if (c == 0 && long_idx == 24) { // --heap-sort
yes_or_no(&opt, MM_F_HEAP_SORT, long_idx, optarg, 1);
} else if (c == 0 && long_idx == 26) { // --dual
yes_or_no(&opt, MM_F_NO_DUAL, long_idx, optarg, 0);
} else if (c == 'S') {
opt.flag |= MM_F_OUT_CS | MM_F_CIGAR | MM_F_OUT_CS_LONG;
if (mm_verbose >= 2)
fprintf(stderr, "[WARNING]\033[1;31m option -S is deprecated and may be removed in future. Please use --cs=long instead.\033[0m\n");
} else if (c == 'V') {
puts(MM_VERSION);
return 0;
} else if (c == 'f') {
double x;
char *p;
x = strtod(optarg, &p);
if (x < 1.0) opt.mid_occ_frac = x, opt.mid_occ = 0;
else opt.mid_occ = (int)(x + .499);
if (*p == ',') opt.max_occ = (int)(strtod(p+1, &p) + .499);
} else if (c == 'u') {
if (*optarg == 'b') opt.flag |= MM_F_SPLICE_FOR|MM_F_SPLICE_REV; // both strands
else if (*optarg == 'f') opt.flag |= MM_F_SPLICE_FOR, opt.flag &= ~MM_F_SPLICE_REV; // match GT-AG
else if (*optarg == 'r') opt.flag |= MM_F_SPLICE_REV, opt.flag &= ~MM_F_SPLICE_FOR; // match CT-AC (reverse complement of GT-AG)
else if (*optarg == 'n') opt.flag &= ~(MM_F_SPLICE_FOR|MM_F_SPLICE_REV); // don't try to match the GT-AG signal
else {
fprintf(stderr, "[ERROR]\033[1;31m unrecognized cDNA direction\033[0m\n");
return 1;
}
} else if (c == 'z') {
opt.zdrop = opt.zdrop_inv = strtol(optarg, &s, 10);
if (*s == ',') opt.zdrop_inv = strtol(s + 1, &s, 10);
} else if (c == 'O') {
opt.q = opt.q2 = strtol(optarg, &s, 10);
if (*s == ',') opt.q2 = strtol(s + 1, &s, 10);
} else if (c == 'E') {
opt.e = opt.e2 = strtol(optarg, &s, 10);
if (*s == ',') opt.e2 = strtol(s + 1, &s, 10);
}
}
if ((opt.flag & MM_F_SPLICE) && (opt.flag & MM_F_FRAG_MODE)) {
fprintf(stderr, "[ERROR]\033[1;31m --splice and --frag should not be specified at the same time.\033[0m\n");
return 1;
}
if (!fnw && !(opt.flag&MM_F_CIGAR))
ipt.flag |= MM_I_NO_SEQ;
if (mm_check_opt(&ipt, &opt) < 0)
return 1;
if (argc == optind || fp_help == stdout) {
fprintf(fp_help, "Usage: minimap2 [options] <target.fa>|<target.idx> [query.fa] [...]\n");
fprintf(fp_help, "Options:\n");
fprintf(fp_help, " Indexing:\n");
fprintf(fp_help, " -H use homopolymer-compressed k-mer (preferrable for PacBio)\n");
fprintf(fp_help, " -k INT k-mer size (no larger than 28) [%d]\n", ipt.k);
fprintf(fp_help, " -w INT minizer window size [%d]\n", ipt.w);
fprintf(fp_help, " -I NUM split index for every ~NUM input bases [4G]\n");
fprintf(fp_help, " -d FILE dump index to FILE []\n");
fprintf(fp_help, " Mapping:\n");
fprintf(fp_help, " -f FLOAT filter out top FLOAT fraction of repetitive minimizers [%g]\n", opt.mid_occ_frac);
fprintf(fp_help, " -g NUM stop chain enlongation if there are no minimizers in INT-bp [%d]\n", opt.max_gap);
fprintf(fp_help, " -G NUM max intron length (effective with -xsplice; changing -r) [200k]\n");
fprintf(fp_help, " -F NUM max fragment length (effective with -xsr or in the fragment mode) [800]\n");
fprintf(fp_help, " -r NUM bandwidth used in chaining and DP-based alignment [%d]\n", opt.bw);
fprintf(fp_help, " -n INT minimal number of minimizers on a chain [%d]\n", opt.min_cnt);
fprintf(fp_help, " -m INT minimal chaining score (matching bases minus log gap penalty) [%d]\n", opt.min_chain_score);
// fprintf(fp_help, " -T INT SDUST threshold; 0 to disable SDUST [%d]\n", opt.sdust_thres); // TODO: this option is never used; might be buggy
fprintf(fp_help, " -X skip self and dual mappings (for the all-vs-all mode)\n");
fprintf(fp_help, " -p FLOAT min secondary-to-primary score ratio [%g]\n", opt.pri_ratio);
fprintf(fp_help, " -N INT retain at most INT secondary alignments [%d]\n", opt.best_n);
fprintf(fp_help, " Alignment:\n");
fprintf(fp_help, " -A INT matching score [%d]\n", opt.a);
fprintf(fp_help, " -B INT mismatch penalty [%d]\n", opt.b);
fprintf(fp_help, " -O INT[,INT] gap open penalty [%d,%d]\n", opt.q, opt.q2);
fprintf(fp_help, " -E INT[,INT] gap extension penalty; a k-long gap costs min{O1+k*E1,O2+k*E2} [%d,%d]\n", opt.e, opt.e2);
fprintf(fp_help, " -z INT[,INT] Z-drop score and inversion Z-drop score [%d,%d]\n", opt.zdrop, opt.zdrop_inv);
fprintf(fp_help, " -s INT minimal peak DP alignment score [%d]\n", opt.min_dp_max);
fprintf(fp_help, " -u CHAR how to find GT-AG. f:transcript strand, b:both strands, n:don't match GT-AG [n]\n");
fprintf(fp_help, " Input/Output:\n");
fprintf(fp_help, " -a output in the SAM format (PAF by default)\n");
fprintf(fp_help, " -Q don't output base quality in SAM\n");
fprintf(fp_help, " -L write CIGAR with >65535 ops at the CG tag\n");
fprintf(fp_help, " -R STR SAM read group line in a format like '@RG\\tID:foo\\tSM:bar' []\n");
fprintf(fp_help, " -c output CIGAR in PAF\n");
fprintf(fp_help, " --cs[=STR] output the cs tag; STR is 'short' (if absent) or 'long' [none]\n");
fprintf(fp_help, " --MD output the MD tag\n");
fprintf(fp_help, " --eqx write =/X CIGAR operators\n");
fprintf(fp_help, " -Y use soft clipping for supplementary alignments\n");
fprintf(fp_help, " -t INT number of threads [%d]\n", n_threads);
fprintf(fp_help, " -K NUM minibatch size for mapping [500M]\n");
// fprintf(fp_help, " -v INT verbose level [%d]\n", mm_verbose);
fprintf(fp_help, " --version show version number\n");
fprintf(fp_help, " Preset:\n");
fprintf(fp_help, " -x STR preset (always applied before other options; see minimap2.1 for details) []\n");
fprintf(fp_help, " - map-pb/map-ont: PacBio/Nanopore vs reference mapping\n");
fprintf(fp_help, " - ava-pb/ava-ont: PacBio/Nanopore read overlap\n");
fprintf(fp_help, " - asm5/asm10/asm20: asm-to-ref mapping, for ~0.1/1/5%% sequence divergence\n");
fprintf(fp_help, " - splice: long-read spliced alignment\n");
fprintf(fp_help, " - sr: genomic short-read mapping\n");
fprintf(fp_help, "\nSee `man ./minimap2.1' for detailed description of command-line options.\n");
return fp_help == stdout? 0 : 1;
}
if ((opt.flag & MM_F_SR) && argc - optind > 3) {
fprintf(stderr, "[ERROR] incorrect input: in the sr mode, please specify no more than two query files.\n");
return 1;
}
idx_rdr = mm_idx_reader_open(argv[optind], &ipt, fnw);
if (idx_rdr == 0) {
fprintf(stderr, "[ERROR] failed to open file '%s'\n", argv[optind]);
return 1;
}
if (!idx_rdr->is_idx && fnw == 0 && argc - optind < 2) {
fprintf(stderr, "[ERROR] missing input: please specify a query file to map or option -d to keep the index\n");
mm_idx_reader_close(idx_rdr);
return 1;
}
if (opt.best_n == 0 && (opt.flag&MM_F_CIGAR) && mm_verbose >= 2)
fprintf(stderr, "[WARNING]\033[1;31m `-N 0' reduces alignment accuracy. Please use --secondary=no to suppress secondary alignments.\033[0m\n");
while ((mi = mm_idx_reader_read(idx_rdr, n_threads)) != 0) {
if ((opt.flag & MM_F_CIGAR) && (mi->flag & MM_I_NO_SEQ)) {
fprintf(stderr, "[ERROR] the prebuilt index doesn't contain sequences.\n");
mm_idx_destroy(mi);
mm_idx_reader_close(idx_rdr);
return 1;
}
if ((opt.flag & MM_F_OUT_SAM) && idx_rdr->n_parts == 1) {
if (mm_idx_reader_eof(idx_rdr)) {
mm_write_sam_hdr(mi, rg, MM_VERSION, argc, argv);
} else {
mm_write_sam_hdr(0, rg, MM_VERSION, argc, argv);
if (mm_verbose >= 2)
fprintf(stderr, "[WARNING]\033[1;31m For a multi-part index, no @SQ lines will be outputted.\033[0m\n");
}
}
if (mm_verbose >= 3)
fprintf(stderr, "[M::%s::%.3f*%.2f] loaded/built the index for %d target sequence(s)\n",
__func__, realtime() - mm_realtime0, cputime() / (realtime() - mm_realtime0), mi->n_seq);
if (argc != optind + 1) mm_mapopt_update(&opt, mi);
if (mm_verbose >= 3) mm_idx_stat(mi);
if (!(opt.flag & MM_F_FRAG_MODE)) {
for (i = optind + 1; i < argc; ++i)
mm_map_file(mi, argv[i], &opt, n_threads);
} else {
mm_map_file_frag(mi, argc - (optind + 1), (const char**)&argv[optind + 1], &opt, n_threads);
}
mm_idx_destroy(mi);
}
n_parts = idx_rdr->n_parts;
mm_idx_reader_close(idx_rdr);
if (opt.split_prefix)
mm_split_merge(argc - (optind + 1), (const char**)&argv[optind + 1], &opt, n_parts);
if (fflush(stdout) == EOF) {
fprintf(stderr, "[ERROR] failed to write the results\n");
exit(EXIT_FAILURE);
}
if (mm_verbose >= 3) {
fprintf(stderr, "[M::%s] Version: %s\n", __func__, MM_VERSION);
fprintf(stderr, "[M::%s] CMD:", __func__);
for (i = 0; i < argc; ++i)
fprintf(stderr, " %s", argv[i]);
fprintf(stderr, "\n[M::%s] Real time: %.3f sec; CPU: %.3f sec\n", __func__, realtime() - mm_realtime0, cputime());
}
return 0;
}
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