| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * $Id: sw.c,v 1.4 2004/04/08 01:52:19 mdw Exp $ |
| 4 | * |
| 5 | * Main driver code for sw-tools |
| 6 | * |
| 7 | * (c) 1999 EBI |
| 8 | */ |
| 9 | |
| 10 | /*----- Licensing notice --------------------------------------------------* |
| 11 | * |
| 12 | * This file is part of sw-tools. |
| 13 | * |
| 14 | * sw-tools is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License as published by |
| 16 | * the Free Software Foundation; either version 2 of the License, or |
| 17 | * (at your option) any later version. |
| 18 | * |
| 19 | * sw-tools is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | * GNU General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License |
| 25 | * along with sw-tools; if not, write to the Free Software Foundation, |
| 26 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 27 | */ |
| 28 | |
| 29 | /*----- Header files ------------------------------------------------------*/ |
| 30 | |
| 31 | #include "config.h" |
| 32 | |
| 33 | #include <ctype.h> |
| 34 | #include <errno.h> |
| 35 | #include <signal.h> |
| 36 | #include <stdio.h> |
| 37 | #include <stdlib.h> |
| 38 | #include <string.h> |
| 39 | |
| 40 | #include <unistd.h> |
| 41 | |
| 42 | #include <mLib/alloc.h> |
| 43 | #include <mLib/dstr.h> |
| 44 | #include <mLib/exc.h> |
| 45 | #include <mLib/mdwopt.h> |
| 46 | #include <mLib/quis.h> |
| 47 | #include <mLib/report.h> |
| 48 | #include <mLib/sub.h> |
| 49 | |
| 50 | #define CMD_LINK 0 |
| 51 | #include "sw.h" |
| 52 | #include "sw_arch.h" |
| 53 | #include "sw_build.h" |
| 54 | #include "sw_info.h" |
| 55 | #include "sw_links.h" |
| 56 | #include "sw_rsh.h" |
| 57 | |
| 58 | /*----- Static variables --------------------------------------------------*/ |
| 59 | |
| 60 | static cmd *cmds = CMD_LINK; |
| 61 | |
| 62 | /*----- Global option variables -------------------------------------------* |
| 63 | * |
| 64 | * It'd be nicer if these could be parsed by the build commands, but alas |
| 65 | * this is not to be. Consider `sw configure --arch=i386-linux |
| 66 | * --with-diffutils': how is the program to know which options are for it and |
| 67 | * which are for the remote one? The `configure' command is important, |
| 68 | * because it does some hairy stuff under the covers (inserting magical |
| 69 | * options, and running `../configure'), so I can't just require `sw run |
| 70 | * configure'. Requiring the user to always put in a `--' to separate the |
| 71 | * two lots of options is horrific. So they get picked up at the main |
| 72 | * program and stuffed into global variables. |
| 73 | * |
| 74 | * On the other hand, there is the advantage that `--output' options can be |
| 75 | * put in an environment variable here. |
| 76 | */ |
| 77 | |
| 78 | const char *opt_output = 0; |
| 79 | const char *opt_arch = 0; |
| 80 | unsigned int opt_flags = optFlag_percent; |
| 81 | |
| 82 | /*----- Helpful GNUy message routines -------------------------------------*/ |
| 83 | |
| 84 | /* --- @version@ --- */ |
| 85 | |
| 86 | static void version(FILE *fp) |
| 87 | { |
| 88 | fprintf(fp, "%s v. " VERSION "\n", QUIS); |
| 89 | } |
| 90 | |
| 91 | /* --- @usage@ --- */ |
| 92 | |
| 93 | static void usage(FILE *fp) |
| 94 | { |
| 95 | fprintf(fp, "Usage: %s [-fbip] [-a ARCH,...] [-o STYLE] COMMAND [ARGS]\n", |
| 96 | QUIS); |
| 97 | } |
| 98 | |
| 99 | /* --- @help@ --- */ |
| 100 | |
| 101 | static void help(FILE *fp, int full) |
| 102 | { |
| 103 | cmd *p; |
| 104 | version(fp); |
| 105 | fputc('\n', fp); |
| 106 | usage(fp); |
| 107 | fputs("\n\ |
| 108 | Performs various handy jobs with multiple-architecture builds.\n\ |
| 109 | \n\ |
| 110 | There are some options which affect a few of the available commands:\n\ |
| 111 | \n\ |
| 112 | -a, --arch=ARCH,... Only build on the named architectures.\n\ |
| 113 | -b, --beep Beep when the build is complete.\n\ |
| 114 | -i, --install Mark architectures as done when build succeeds.\n\ |
| 115 | -f, --force Run build commands on installed architectures.\n\ |
| 116 | -p, --percent Enable `%'-escapes in build command arguments.\n\ |
| 117 | -o, --output=STYLE Display output in a particular style. Use style\n\ |
| 118 | `help' for a list.\n\ |
| 119 | \n", fp); |
| 120 | |
| 121 | if (full) { |
| 122 | fputs("The various commands provided are:\n\n", fp); |
| 123 | for (p = cmds; p; p = p->next) { |
| 124 | fputs(p->help, fp); |
| 125 | fputc('\n', fp); |
| 126 | } |
| 127 | fprintf(fp, |
| 128 | "`%s' is an [mdw] production, brought to you in association with the\n\ |
| 129 | European Bioinformatics Institute.\n", QUIS); |
| 130 | } else { |
| 131 | fputs("The various commands, in summary:\n\n", fp); |
| 132 | for (p = cmds; p; p = p->next) { |
| 133 | size_t sz = strcspn(p->help, "\n\t"); |
| 134 | fwrite(p->help, 1, sz, fp); |
| 135 | fputc('\n', fp); |
| 136 | } |
| 137 | fprintf(fp, |
| 138 | "\nType `%s --help-full' for complete information. There's a lot of it!\n", |
| 139 | QUIS); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | /*----- Main code ---------------------------------------------------------*/ |
| 144 | |
| 145 | /* --- @main@ --- * |
| 146 | * |
| 147 | * Arguments: @int argc@ = number of command line arguments |
| 148 | * @char *argv[]@ = array of command line strings |
| 149 | * |
| 150 | * Returns: Zero on success, nonzero on failure. |
| 151 | * |
| 152 | * Use: Main program. Parses some trivial arguments out, and |
| 153 | * dispatches control to one of the subprogram handlers. |
| 154 | */ |
| 155 | |
| 156 | int main(int argc, char *argv[]) |
| 157 | { |
| 158 | unsigned f = 0; |
| 159 | |
| 160 | enum { |
| 161 | f_bogus = 1 |
| 162 | }; |
| 163 | |
| 164 | /* --- Initialize the support library --- */ |
| 165 | |
| 166 | ego(argv[0]); |
| 167 | sub_init(); |
| 168 | |
| 169 | /* --- Parse command line flags --- */ |
| 170 | |
| 171 | for (;;) { |
| 172 | static struct option opt[] = { |
| 173 | |
| 174 | /* --- Standard GNUy help options --- */ |
| 175 | |
| 176 | { "help", 0, 0, 'h' }, |
| 177 | { "help-full", 0, 0, 'H' }, |
| 178 | { "version", 0, 0, 'v' }, |
| 179 | { "usage", 0, 0, 'u' }, |
| 180 | |
| 181 | /* --- Build options --- * |
| 182 | * |
| 183 | */ |
| 184 | |
| 185 | { "arch", OPTF_ARGREQ, 0, 'a' }, |
| 186 | { "force", 0, 0, 'f' }, |
| 187 | { "install", 0, 0, 'i' }, |
| 188 | { "output", OPTF_ARGREQ, 0, 'o' }, |
| 189 | { "beep", OPTF_NEGATE, 0, 'b' }, |
| 190 | { "percent", OPTF_NEGATE, 0, 'p' }, |
| 191 | { "escape", OPTF_NEGATE, 0, 'p' }, |
| 192 | |
| 193 | /* --- Internal-use-only magical options --- * |
| 194 | * |
| 195 | * You get what you deserve if you use this. |
| 196 | */ |
| 197 | |
| 198 | { "me", OPTF_ARGREQ, 0, '=' }, |
| 199 | { "remote", OPTF_ARGREQ, 0, '!' }, |
| 200 | |
| 201 | /* --- Termination marker --- */ |
| 202 | |
| 203 | { 0, 0, 0, 0 } |
| 204 | }; |
| 205 | int i = mdwopt(argc, argv, "+hHvu a:b+p+fio:", opt, 0, 0, |
| 206 | OPTF_ENVVAR | OPTF_NEGATION); |
| 207 | if (i < 0) |
| 208 | break; |
| 209 | |
| 210 | switch (i) { |
| 211 | |
| 212 | /* --- GNUy help --- */ |
| 213 | |
| 214 | case 'h': |
| 215 | help(stdout, 0); |
| 216 | exit(0); |
| 217 | case 'H': |
| 218 | help(stdout, 1); |
| 219 | exit(0); |
| 220 | case 'v': |
| 221 | version(stdout); |
| 222 | exit(0); |
| 223 | case 'u': |
| 224 | usage(stdout); |
| 225 | exit(0); |
| 226 | |
| 227 | /* --- Build options --- */ |
| 228 | |
| 229 | case 'a': |
| 230 | opt_arch = optarg; |
| 231 | break; |
| 232 | case 'f': |
| 233 | opt_flags |= optFlag_force; |
| 234 | break; |
| 235 | case 'b': |
| 236 | opt_flags |= optFlag_beep; |
| 237 | break; |
| 238 | case 'b' | OPTF_NEGATED: |
| 239 | opt_flags &= ~optFlag_beep; |
| 240 | break; |
| 241 | case 'p': |
| 242 | opt_flags |= optFlag_percent; |
| 243 | break; |
| 244 | case 'p' | OPTF_NEGATED: |
| 245 | opt_flags &= ~optFlag_percent; |
| 246 | break; |
| 247 | case 'i': |
| 248 | opt_flags |= optFlag_install; |
| 249 | break; |
| 250 | case 'o': |
| 251 | opt_output = optarg; |
| 252 | break; |
| 253 | |
| 254 | /* --- Magical options for internal use --- */ |
| 255 | |
| 256 | case '=': |
| 257 | ego(optarg); |
| 258 | break; |
| 259 | case '!': |
| 260 | swrsh_remote(optarg); |
| 261 | _exit(1); |
| 262 | |
| 263 | /* --- The user screwed up --- */ |
| 264 | |
| 265 | default: |
| 266 | f |= f_bogus; |
| 267 | break; |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | if (f & f_bogus || argc == optind) { |
| 272 | usage(stderr); |
| 273 | exit(1); |
| 274 | } |
| 275 | |
| 276 | /* --- Pick up the operation name --- */ |
| 277 | |
| 278 | argc -= optind; |
| 279 | argv += optind; |
| 280 | optind = 0; |
| 281 | |
| 282 | { |
| 283 | cmd *p, *chosen = 0; |
| 284 | const char *which = argv[0]; |
| 285 | size_t sz = strlen(which); |
| 286 | |
| 287 | for (p = cmds; p; p = p->next) { |
| 288 | if (strncmp(which, p->name, sz) == 0) { |
| 289 | if (p->name[sz] == 0) { |
| 290 | chosen = p; |
| 291 | break; |
| 292 | } else if (chosen) |
| 293 | die(1, "ambiguous command name `%s'", which); |
| 294 | chosen = p; |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | if (!chosen) |
| 299 | die(1, "unknown command name `%s'", which); |
| 300 | signal(SIGPIPE, SIG_IGN); |
| 301 | TRY |
| 302 | return (chosen->cmd(argc, argv)); |
| 303 | CATCH switch (exc_type) { |
| 304 | case EXC_NOMEM: |
| 305 | die(1, "not enough memory"); |
| 306 | default: |
| 307 | RETHROW; |
| 308 | } END_TRY; |
| 309 | } |
| 310 | return (127); |
| 311 | } |
| 312 | |
| 313 | /*----- That's all, folks -------------------------------------------------*/ |