Matthew Maurer | bd39854 | 2019-09-05 16:25:08 -0700 | [diff] [blame] | 1 | #!/bin/bash |
| 2 | # Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| 3 | # file at the top-level directory of this distribution and at |
| 4 | # http://rust-lang.org/COPYRIGHT. |
| 5 | # |
| 6 | # Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| 7 | # http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| 8 | # <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| 9 | # option. This file may not be copied, modified, or distributed |
| 10 | # except according to those terms. |
| 11 | |
| 12 | # No undefined variables |
| 13 | set -u |
| 14 | |
| 15 | init_logging() { |
| 16 | local _abs_libdir="$1" |
| 17 | local _logfile="$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/install.log" |
| 18 | rm -f "$_logfile" |
| 19 | need_ok "failed to remove old installation log" |
| 20 | touch "$_logfile" |
| 21 | need_ok "failed to create installation log" |
| 22 | LOGFILE="$_logfile" |
| 23 | } |
| 24 | |
| 25 | log_line() { |
| 26 | local _line="$1" |
| 27 | |
| 28 | if [ -n "${LOGFILE-}" -a -e "${LOGFILE-}" ]; then |
| 29 | echo "$_line" >> "$LOGFILE" |
| 30 | # Ignore errors, which may happen e.g. after the manifest dir is deleted |
| 31 | fi |
| 32 | } |
| 33 | |
| 34 | msg() { |
| 35 | local _line="install: ${1-}" |
| 36 | echo "$_line" |
| 37 | log_line "$_line" |
| 38 | } |
| 39 | |
| 40 | verbose_msg() { |
| 41 | if [ -n "${CFG_VERBOSE-}" ]; then |
| 42 | msg "${1-}" |
| 43 | else |
| 44 | log_line "install: ${1-}" |
| 45 | fi |
| 46 | } |
| 47 | |
| 48 | step_msg() { |
| 49 | msg |
| 50 | msg "$1" |
| 51 | msg |
| 52 | } |
| 53 | |
| 54 | verbose_step_msg() { |
| 55 | if [ -n "${CFG_VERBOSE-}" ]; then |
| 56 | msg |
| 57 | msg "$1" |
| 58 | msg |
| 59 | else |
| 60 | log_line "" |
| 61 | log_line "install: $1" |
| 62 | log_line "" |
| 63 | fi |
| 64 | } |
| 65 | |
| 66 | warn() { |
| 67 | local _line="install: WARNING: $1" |
| 68 | echo "$_line" >&2 |
| 69 | log_line "$_line" |
| 70 | } |
| 71 | |
| 72 | err() { |
| 73 | local _line="install: error: $1" |
| 74 | echo "$_line" >&2 |
| 75 | log_line "$_line" |
| 76 | exit 1 |
| 77 | } |
| 78 | |
| 79 | # A non-user error that is likely to result in a corrupted install |
| 80 | critical_err() { |
| 81 | local _line="install: error: $1. see logs at '${LOGFILE-}'" |
| 82 | echo "$_line" >&2 |
| 83 | log_line "$_line" |
| 84 | exit 1 |
| 85 | } |
| 86 | |
| 87 | need_ok() { |
| 88 | if [ $? -ne 0 ] |
| 89 | then |
| 90 | err "$1" |
| 91 | fi |
| 92 | } |
| 93 | |
| 94 | critical_need_ok() { |
| 95 | if [ $? -ne 0 ] |
| 96 | then |
| 97 | critical_err "$1" |
| 98 | fi |
| 99 | } |
| 100 | |
| 101 | want_ok() { |
| 102 | if [ $? -ne 0 ]; then |
| 103 | warn "$1" |
| 104 | fi |
| 105 | } |
| 106 | |
| 107 | assert_nz() { |
| 108 | if [ -z "$1" ]; then err "assert_nz $2"; fi |
| 109 | } |
| 110 | |
| 111 | need_cmd() { |
| 112 | if command -v $1 >/dev/null 2>&1 |
| 113 | then verbose_msg "found $1" |
| 114 | else err "need $1" |
| 115 | fi |
| 116 | } |
| 117 | |
| 118 | run() { |
| 119 | local _line="\$ $*" |
| 120 | "$@" |
| 121 | local _retval=$? |
| 122 | log_line "$_line" |
| 123 | return $_retval |
| 124 | } |
| 125 | |
| 126 | write_to_file() { |
| 127 | local _msg="$1" |
| 128 | local _file="$2" |
| 129 | local _line="$ echo \"$_msg\" > \"$_file\"" |
| 130 | echo "$_msg" > "$_file" |
| 131 | local _retval=$? |
| 132 | log_line "$_line" |
| 133 | return $_retval |
| 134 | } |
| 135 | |
| 136 | append_to_file() { |
| 137 | local _msg="$1" |
| 138 | local _file="$2" |
| 139 | local _line="$ echo \"$_msg\" >> \"$_file\"" |
| 140 | echo "$_msg" >> "$_file" |
| 141 | local _retval=$? |
| 142 | log_line "$_line" |
| 143 | return $_retval |
| 144 | } |
| 145 | |
| 146 | make_dir_recursive() { |
| 147 | local _dir="$1" |
| 148 | local _line="$ umask 022 && mkdir -p \"$_dir\"" |
| 149 | umask 022 && mkdir -p "$_dir" |
| 150 | local _retval=$? |
| 151 | log_line "$_line" |
| 152 | return $_retval |
| 153 | } |
| 154 | |
| 155 | putvar() { |
| 156 | local t |
| 157 | local tlen |
| 158 | eval t=\$$1 |
| 159 | eval tlen=\${#$1} |
| 160 | } |
| 161 | |
| 162 | valopt() { |
| 163 | VAL_OPTIONS="$VAL_OPTIONS $1" |
| 164 | |
| 165 | local op=$1 |
| 166 | local default=$2 |
| 167 | shift |
| 168 | shift |
| 169 | local doc="$*" |
| 170 | if [ $HELP -eq 0 ] |
| 171 | then |
| 172 | local uop=$(echo $op | tr '[:lower:]' '[:upper:]' | tr '\-' '\_') |
| 173 | local v="CFG_${uop}" |
| 174 | eval $v="$default" |
| 175 | for arg in $CFG_ARGS |
| 176 | do |
| 177 | if echo "$arg" | grep -q -- "--$op=" |
| 178 | then |
| 179 | local val=$(echo "$arg" | cut -f2 -d=) |
| 180 | eval $v=$val |
| 181 | fi |
| 182 | done |
| 183 | putvar $v |
| 184 | else |
| 185 | if [ -z "$default" ] |
| 186 | then |
| 187 | default="<none>" |
| 188 | fi |
| 189 | op="${op}=[${default}]" |
| 190 | printf " --%-30s %s\n" "$op" "$doc" |
| 191 | fi |
| 192 | } |
| 193 | |
| 194 | opt() { |
| 195 | BOOL_OPTIONS="$BOOL_OPTIONS $1" |
| 196 | |
| 197 | local op=$1 |
| 198 | local default=$2 |
| 199 | shift |
| 200 | shift |
| 201 | local doc="$*" |
| 202 | local flag="" |
| 203 | |
| 204 | if [ $default -eq 0 ] |
| 205 | then |
| 206 | flag="enable" |
| 207 | else |
| 208 | flag="disable" |
| 209 | doc="don't $doc" |
| 210 | fi |
| 211 | |
| 212 | if [ $HELP -eq 0 ] |
| 213 | then |
| 214 | for arg in $CFG_ARGS |
| 215 | do |
| 216 | if [ "$arg" = "--${flag}-${op}" ] |
| 217 | then |
| 218 | op=$(echo $op | tr 'a-z-' 'A-Z_') |
| 219 | flag=$(echo $flag | tr 'a-z' 'A-Z') |
| 220 | local v="CFG_${flag}_${op}" |
| 221 | eval $v=1 |
| 222 | putvar $v |
| 223 | fi |
| 224 | done |
| 225 | else |
| 226 | if [ ! -z "${META-}" ] |
| 227 | then |
| 228 | op="$op=<$META>" |
| 229 | fi |
| 230 | printf " --%-30s %s\n" "$flag-$op" "$doc" |
| 231 | fi |
| 232 | } |
| 233 | |
| 234 | flag() { |
| 235 | BOOL_OPTIONS="$BOOL_OPTIONS $1" |
| 236 | |
| 237 | local op=$1 |
| 238 | shift |
| 239 | local doc="$*" |
| 240 | |
| 241 | if [ $HELP -eq 0 ] |
| 242 | then |
| 243 | for arg in $CFG_ARGS |
| 244 | do |
| 245 | if [ "$arg" = "--${op}" ] |
| 246 | then |
| 247 | op=$(echo $op | tr 'a-z-' 'A-Z_') |
| 248 | local v="CFG_${op}" |
| 249 | eval $v=1 |
| 250 | putvar $v |
| 251 | fi |
| 252 | done |
| 253 | else |
| 254 | if [ ! -z "${META-}" ] |
| 255 | then |
| 256 | op="$op=<$META>" |
| 257 | fi |
| 258 | printf " --%-30s %s\n" "$op" "$doc" |
| 259 | fi |
| 260 | } |
| 261 | |
| 262 | validate_opt () { |
| 263 | for arg in $CFG_ARGS |
| 264 | do |
| 265 | local is_arg_valid=0 |
| 266 | for option in $BOOL_OPTIONS |
| 267 | do |
| 268 | if test --disable-$option = $arg |
| 269 | then |
| 270 | is_arg_valid=1 |
| 271 | fi |
| 272 | if test --enable-$option = $arg |
| 273 | then |
| 274 | is_arg_valid=1 |
| 275 | fi |
| 276 | if test --$option = $arg |
| 277 | then |
| 278 | is_arg_valid=1 |
| 279 | fi |
| 280 | done |
| 281 | for option in $VAL_OPTIONS |
| 282 | do |
| 283 | if echo "$arg" | grep -q -- "--$option=" |
| 284 | then |
| 285 | is_arg_valid=1 |
| 286 | fi |
| 287 | done |
| 288 | if [ "$arg" = "--help" ] |
| 289 | then |
| 290 | echo |
| 291 | echo "No more help available for Configure options," |
| 292 | echo "check the Wiki or join our IRC channel" |
| 293 | break |
| 294 | else |
| 295 | if test $is_arg_valid -eq 0 |
| 296 | then |
| 297 | err "Option '$arg' is not recognized" |
| 298 | fi |
| 299 | fi |
| 300 | done |
| 301 | } |
| 302 | |
| 303 | absolutify() { |
| 304 | local file_path="$1" |
| 305 | local file_path_dirname="$(dirname "$file_path")" |
| 306 | local file_path_basename="$(basename "$file_path")" |
| 307 | local file_abs_path="$(abs_path "$file_path_dirname")" |
| 308 | local file_path="$file_abs_path/$file_path_basename" |
| 309 | # This is the return value |
| 310 | RETVAL="$file_path" |
| 311 | } |
| 312 | |
| 313 | # Prints the absolute path of a directory to stdout |
| 314 | abs_path() { |
| 315 | local path="$1" |
| 316 | # Unset CDPATH because it causes havok: it makes the destination unpredictable |
| 317 | # and triggers 'cd' to print the path to stdout. Route `cd`'s output to /dev/null |
| 318 | # for good measure. |
| 319 | (unset CDPATH && cd "$path" > /dev/null && pwd) |
| 320 | } |
| 321 | |
| 322 | uninstall_legacy() { |
| 323 | local _abs_libdir="$1" |
| 324 | |
| 325 | local _uninstalled_something=false |
| 326 | |
| 327 | # Replace commas in legacy manifest list with spaces |
| 328 | _legacy_manifest_dirs=`echo "$TEMPLATE_LEGACY_MANIFEST_DIRS" | sed "s/,/ /g"` |
| 329 | |
| 330 | # Uninstall from legacy manifests |
| 331 | local _md |
| 332 | for _md in $_legacy_manifest_dirs; do |
| 333 | # First, uninstall from the installation prefix. |
| 334 | # Errors are warnings - try to rm everything in the manifest even if some fail. |
| 335 | if [ -f "$_abs_libdir/$_md/manifest" ] |
| 336 | then |
| 337 | |
| 338 | # iterate through installed manifest and remove files |
| 339 | local _p; |
| 340 | while read _p; do |
| 341 | # the installed manifest contains absolute paths |
| 342 | msg "removing legacy file $_p" |
| 343 | if [ -f "$_p" ] |
| 344 | then |
| 345 | run rm -f "$_p" |
| 346 | want_ok "failed to remove $_p" |
| 347 | else |
| 348 | warn "supposedly installed file $_p does not exist!" |
| 349 | fi |
| 350 | done < "$_abs_libdir/$_md/manifest" |
| 351 | |
| 352 | # If we fail to remove $md below, then the |
| 353 | # installed manifest will still be full; the installed manifest |
| 354 | # needs to be empty before install. |
| 355 | msg "removing legacy manifest $_abs_libdir/$_md/manifest" |
| 356 | run rm -f "$_abs_libdir/$_md/manifest" |
| 357 | # For the above reason, this is a hard error |
| 358 | need_ok "failed to remove installed manifest" |
| 359 | |
| 360 | # Remove $template_rel_manifest_dir directory |
| 361 | msg "removing legacy manifest dir $_abs_libdir/$_md" |
| 362 | run rm -R "$_abs_libdir/$_md" |
| 363 | want_ok "failed to remove $_md" |
| 364 | |
| 365 | _uninstalled_something=true |
| 366 | fi |
| 367 | done |
| 368 | |
| 369 | RETVAL="$_uninstalled_something" |
| 370 | } |
| 371 | |
| 372 | uninstall_components() { |
| 373 | local _abs_libdir="$1" |
| 374 | local _dest_prefix="$2" |
| 375 | local _components="$3" |
| 376 | |
| 377 | # We're going to start by uninstalling existing components. This |
| 378 | local _uninstalled_something=false |
| 379 | |
| 380 | # First, try removing any 'legacy' manifests from before |
| 381 | # rust-installer |
| 382 | uninstall_legacy "$_abs_libdir" |
| 383 | assert_nz "$RETVAL", "RETVAL" |
| 384 | if [ "$RETVAL" = true ]; then |
| 385 | _uninstalled_something=true; |
| 386 | fi |
| 387 | |
| 388 | # Load the version of the installed installer |
| 389 | local _installed_version= |
| 390 | if [ -f "$abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/rust-installer-version" ]; then |
| 391 | _installed_version=`cat "$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/rust-installer-version"` |
| 392 | |
| 393 | # Sanity check |
| 394 | if [ ! -n "$_installed_version" ]; then critical_err "rust installer version is empty"; fi |
| 395 | fi |
| 396 | |
| 397 | # If there's something installed, then uninstall |
| 398 | if [ -n "$_installed_version" ]; then |
| 399 | # Check the version of the installed installer |
| 400 | case "$_installed_version" in |
| 401 | |
| 402 | # If this is a previous version, then upgrade in place to the |
| 403 | # current version before uninstalling. |
| 404 | 2 ) |
| 405 | # The only change between version 2 -> 3 is that components are placed |
| 406 | # in subdirectories of the installer tarball. There are no changes |
| 407 | # to the installed data format, so nothing to do. |
| 408 | ;; |
| 409 | |
| 410 | # This is the current version. Nothing need to be done except uninstall. |
| 411 | "$TEMPLATE_RUST_INSTALLER_VERSION") |
| 412 | ;; |
| 413 | |
| 414 | # If this is an unknown (future) version then bail. |
| 415 | * ) |
| 416 | echo "The copy of $TEMPLATE_PRODUCT_NAME at $_dest_prefix was installed using an" |
| 417 | echo "unknown version ($_installed_version) of rust-installer." |
| 418 | echo "Uninstall it first with the installer used for the original installation" |
| 419 | echo "before continuing." |
| 420 | exit 1 |
| 421 | ;; |
| 422 | esac |
| 423 | |
| 424 | local _md="$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR" |
| 425 | local _installed_components="$(cat "$_md/components")" |
| 426 | |
| 427 | # Uninstall (our components only) before reinstalling |
| 428 | local _available_component |
| 429 | for _available_component in $_components; do |
| 430 | local _installed_component |
| 431 | for _installed_component in $_installed_components; do |
| 432 | if [ "$_available_component" = "$_installed_component" ]; then |
| 433 | msg "uninstalling component '$_available_component'" |
| 434 | local _component_manifest="$_md/manifest-$_installed_component" |
| 435 | |
| 436 | # Sanity check: there should be a component manifest |
| 437 | if [ ! -f "$_component_manifest" ]; then |
| 438 | critical_err "installed component '$_installed_component' has no manifest" |
| 439 | fi |
| 440 | |
| 441 | # Iterate through installed component manifest and remove files |
| 442 | local _directive |
| 443 | while read _directive; do |
| 444 | |
| 445 | local _command=`echo $_directive | cut -f1 -d:` |
| 446 | local _file=`echo $_directive | cut -f2 -d:` |
| 447 | |
| 448 | # Sanity checks |
| 449 | if [ ! -n "$_command" ]; then critical_err "malformed installation directive"; fi |
| 450 | if [ ! -n "$_file" ]; then critical_err "malformed installation directive"; fi |
| 451 | |
| 452 | case "$_command" in |
| 453 | file) |
| 454 | verbose_msg "removing file $_file" |
| 455 | if [ -f "$_file" ]; then |
| 456 | run rm -f "$_file" |
| 457 | want_ok "failed to remove $_file" |
| 458 | else |
| 459 | warn "supposedly installed file $_file does not exist!" |
| 460 | fi |
| 461 | ;; |
| 462 | |
| 463 | dir) |
| 464 | verbose_msg "removing directory $_file" |
| 465 | run rm -r "$_file" |
| 466 | want_ok "unable to remove directory $_file" |
| 467 | ;; |
| 468 | |
| 469 | *) |
| 470 | critical_err "unknown installation directive" |
| 471 | ;; |
| 472 | esac |
| 473 | |
| 474 | done < "$_component_manifest" |
| 475 | |
| 476 | # Remove the installed component manifest |
| 477 | verbose_msg "removing component manifest $_component_manifest" |
| 478 | run rm "$_component_manifest" |
| 479 | # This is a hard error because the installation is unrecoverable |
| 480 | critical_need_ok "failed to remove installed manifest for component '$_installed_component'" |
| 481 | |
| 482 | # Update the installed component list |
| 483 | local _modified_components="$(sed "/^$_installed_component\$/d" "$_md/components")" |
| 484 | write_to_file "$_modified_components" "$_md/components" |
| 485 | critical_need_ok "failed to update installed component list" |
| 486 | fi |
| 487 | done |
| 488 | done |
| 489 | |
| 490 | # If there are no remaining components delete the manifest directory, |
| 491 | # but only if we're doing an uninstall - if we're doing an install, |
| 492 | # then leave the manifest directory around to hang onto the logs, |
| 493 | # and any files not managed by the installer. |
| 494 | if [ -n "${CFG_UNINSTALL-}" ]; then |
| 495 | local _remaining_components="$(cat "$_md/components")" |
| 496 | if [ ! -n "$_remaining_components" ]; then |
| 497 | verbose_msg "removing manifest directory $_md" |
| 498 | run rm -r "$_md" |
| 499 | want_ok "failed to remove $_md" |
| 500 | |
| 501 | maybe_unconfigure_ld |
| 502 | fi |
| 503 | fi |
| 504 | |
| 505 | _uninstalled_something=true |
| 506 | fi |
| 507 | |
| 508 | # There's no installed version. If we were asked to uninstall, then that's a problem. |
| 509 | if [ -n "${CFG_UNINSTALL-}" -a "$_uninstalled_something" = false ] |
| 510 | then |
| 511 | err "unable to find installation manifest at $CFG_LIBDIR/$TEMPLATE_REL_MANIFEST_DIR" |
| 512 | fi |
| 513 | } |
| 514 | |
| 515 | install_components() { |
| 516 | local _src_dir="$1" |
| 517 | local _abs_libdir="$2" |
| 518 | local _dest_prefix="$3" |
| 519 | local _components="$4" |
| 520 | |
| 521 | local _component |
| 522 | for _component in $_components; do |
| 523 | |
| 524 | msg "installing component '$_component'" |
| 525 | |
| 526 | # The file name of the manifest we're installing from |
| 527 | local _input_manifest="$_src_dir/$_component/manifest.in" |
| 528 | |
| 529 | # Sanity check: do we have our input manifests? |
| 530 | if [ ! -f "$_input_manifest" ]; then |
| 531 | critical_err "manifest for $_component does not exist at $_input_manifest" |
| 532 | fi |
| 533 | |
| 534 | # The installed manifest directory |
| 535 | local _md="$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR" |
| 536 | |
| 537 | # The file name of the manifest we're going to create during install |
| 538 | local _installed_manifest="$_md/manifest-$_component" |
| 539 | |
| 540 | # Create the installed manifest, which we will fill in with absolute file paths |
| 541 | touch "$_installed_manifest" |
| 542 | critical_need_ok "failed to create installed manifest" |
| 543 | |
| 544 | # Add this component to the installed component list |
| 545 | append_to_file "$_component" "$_md/components" |
| 546 | critical_need_ok "failed to update components list for $_component" |
| 547 | |
| 548 | # Now install, iterate through the new manifest and copy files |
| 549 | local _directive |
| 550 | while read _directive; do |
| 551 | |
| 552 | local _command=`echo $_directive | cut -f1 -d:` |
| 553 | local _file=`echo $_directive | cut -f2 -d:` |
| 554 | |
| 555 | # Sanity checks |
| 556 | if [ ! -n "$_command" ]; then critical_err "malformed installation directive"; fi |
| 557 | if [ ! -n "$_file" ]; then critical_err "malformed installation directive"; fi |
| 558 | |
| 559 | # Decide the destination of the file |
| 560 | local _file_install_path="$_dest_prefix/$_file" |
| 561 | |
| 562 | if echo "$_file" | grep "^etc/" > /dev/null |
| 563 | then |
| 564 | local _f="$(echo "$_file" | sed 's/^etc\///')" |
| 565 | _file_install_path="$CFG_SYSCONFDIR/$_f" |
| 566 | fi |
| 567 | |
| 568 | if echo "$_file" | grep "^bin/" > /dev/null |
| 569 | then |
| 570 | local _f="$(echo "$_file" | sed 's/^bin\///')" |
| 571 | _file_install_path="$CFG_BINDIR/$_f" |
| 572 | fi |
| 573 | |
| 574 | if echo "$_file" | grep "^lib/" > /dev/null |
| 575 | then |
| 576 | local _f="$(echo "$_file" | sed 's/^lib\///')" |
| 577 | _file_install_path="$CFG_LIBDIR/$_f" |
| 578 | fi |
| 579 | |
| 580 | if echo "$_file" | grep "^share" > /dev/null |
| 581 | then |
| 582 | local _f="$(echo "$_file" | sed 's/^share\///')" |
| 583 | _file_install_path="$CFG_DATADIR/$_f" |
| 584 | fi |
| 585 | |
| 586 | if echo "$_file" | grep "^share/man/" > /dev/null |
| 587 | then |
| 588 | local _f="$(echo "$_file" | sed 's/^share\/man\///')" |
| 589 | _file_install_path="$CFG_MANDIR/$_f" |
| 590 | fi |
| 591 | |
| 592 | # HACK: Try to support overriding --docdir. Paths with the form |
| 593 | # "share/doc/$product/" can be redirected to a single --docdir |
| 594 | # path. If the following detects that --docdir has been specified |
| 595 | # then it will replace everything preceeding the "$product" path |
| 596 | # component. The problem here is that the combined rust installer |
| 597 | # contains two "products": rust and cargo; so the contents of those |
| 598 | # directories will both be dumped into the same directory; and the |
| 599 | # contents of those directories are _not_ disjoint. Since this feature |
| 600 | # is almost entirely to support 'make install' anyway I don't expect |
| 601 | # this problem to be a big deal in practice. |
| 602 | if [ "$CFG_DOCDIR" != "<default>" ] |
| 603 | then |
| 604 | if echo "$_file" | grep "^share/doc/" > /dev/null |
| 605 | then |
| 606 | local _f="$(echo "$_file" | sed 's/^share\/doc\/[^/]*\///')" |
| 607 | _file_install_path="$CFG_DOCDIR/$_f" |
| 608 | fi |
| 609 | fi |
| 610 | |
| 611 | # Make sure there's a directory for it |
| 612 | make_dir_recursive "$(dirname "$_file_install_path")" |
| 613 | critical_need_ok "directory creation failed" |
| 614 | |
| 615 | # Make the path absolute so we can uninstall it later without |
| 616 | # starting from the installation cwd |
| 617 | absolutify "$_file_install_path" |
| 618 | _file_install_path="$RETVAL" |
| 619 | assert_nz "$_file_install_path" "file_install_path" |
| 620 | |
| 621 | case "$_command" in |
| 622 | file ) |
| 623 | |
| 624 | verbose_msg "copying file $_file_install_path" |
| 625 | |
| 626 | maybe_backup_path "$_file_install_path" |
| 627 | |
| 628 | if echo "$_file" | grep "^bin/" > /dev/null || test -x "$_src_dir/$_component/$_file" |
| 629 | then |
| 630 | run cp "$_src_dir/$_component/$_file" "$_file_install_path" |
| 631 | run chmod 755 "$_file_install_path" |
| 632 | else |
| 633 | run cp "$_src_dir/$_component/$_file" "$_file_install_path" |
| 634 | run chmod 644 "$_file_install_path" |
| 635 | fi |
| 636 | critical_need_ok "file creation failed" |
| 637 | |
| 638 | # Update the manifest |
| 639 | append_to_file "file:$_file_install_path" "$_installed_manifest" |
| 640 | critical_need_ok "failed to update manifest" |
| 641 | |
| 642 | ;; |
| 643 | |
| 644 | dir ) |
| 645 | |
| 646 | verbose_msg "copying directory $_file_install_path" |
| 647 | |
| 648 | maybe_backup_path "$_file_install_path" |
| 649 | |
| 650 | run cp -R "$_src_dir/$_component/$_file" "$_file_install_path" |
| 651 | critical_need_ok "failed to copy directory" |
| 652 | |
| 653 | # Set permissions. 0755 for dirs, 644 for files |
| 654 | run chmod -R u+rwX,go+rX,go-w "$_file_install_path" |
| 655 | critical_need_ok "failed to set permissions on directory" |
| 656 | |
| 657 | # Update the manifest |
| 658 | append_to_file "dir:$_file_install_path" "$_installed_manifest" |
| 659 | critical_need_ok "failed to update manifest" |
| 660 | ;; |
| 661 | |
| 662 | *) |
| 663 | critical_err "unknown installation directive" |
| 664 | ;; |
| 665 | esac |
| 666 | done < "$_input_manifest" |
| 667 | |
| 668 | done |
| 669 | } |
| 670 | |
| 671 | maybe_configure_ld() { |
| 672 | local _abs_libdir="$1" |
| 673 | |
| 674 | local _ostype="$(uname -s)" |
| 675 | assert_nz "$_ostype" "ostype" |
| 676 | |
| 677 | if [ "$_ostype" = "Linux" -a ! -n "${CFG_DISABLE_LDCONFIG-}" ]; then |
| 678 | |
| 679 | # Fedora-based systems do not configure the dynamic linker to look |
| 680 | # /usr/local/lib, which is our default installation directory. To |
| 681 | # make things just work, try to put that directory in |
| 682 | # /etc/ld.so.conf.d/rust-installer-v1 so ldconfig picks it up. |
| 683 | # Issue #30. |
| 684 | # |
| 685 | # This will get rm'd when the last component is uninstalled in |
| 686 | # maybe_unconfigure_ld. |
| 687 | if [ "$_abs_libdir" = "/usr/local/lib" -a -d "/etc/ld.so.conf.d" ]; then |
| 688 | echo "$_abs_libdir" > "/etc/ld.so.conf.d/rust-installer-v1-$TEMPLATE_REL_MANIFEST_DIR.conf" |
| 689 | if [ $? -ne 0 ]; then |
| 690 | # This shouldn't happen if we've gotten this far |
| 691 | # installing to /usr/local |
| 692 | warn "failed to update /etc/ld.so.conf.d. this is unexpected" |
| 693 | fi |
| 694 | fi |
| 695 | |
| 696 | verbose_msg "running ldconfig" |
| 697 | if [ -n "${CFG_VERBOSE-}" ]; then |
| 698 | ldconfig |
| 699 | else |
| 700 | ldconfig 2> /dev/null |
| 701 | fi |
| 702 | if [ $? -ne 0 ] |
| 703 | then |
| 704 | warn "failed to run ldconfig. this may happen when not installing as root. run with --verbose to see the error" |
| 705 | fi |
| 706 | fi |
| 707 | } |
| 708 | |
| 709 | maybe_unconfigure_ld() { |
| 710 | local _ostype="$(uname -s)" |
| 711 | assert_nz "$_ostype" "ostype" |
| 712 | |
| 713 | if [ "$_ostype" != "Linux" ]; then |
| 714 | return 0 |
| 715 | fi |
| 716 | |
| 717 | rm "/etc/ld.so.conf.d/rust-installer-v1-$TEMPLATE_REL_MANIFEST_DIR.conf" 2> /dev/null |
| 718 | # Above may fail since that file may not have been created on install |
| 719 | } |
| 720 | |
| 721 | # Doing our own 'install'-like backup that is consistent across platforms |
| 722 | maybe_backup_path() { |
| 723 | local _file_install_path="$1" |
| 724 | |
| 725 | if [ -e "$_file_install_path" ]; then |
| 726 | msg "backing up existing file at $_file_install_path" |
| 727 | run mv -f "$_file_install_path" "$_file_install_path.old" |
| 728 | critical_need_ok "failed to back up $_file_install_path" |
| 729 | fi |
| 730 | } |
| 731 | |
| 732 | install_uninstaller() { |
| 733 | local _src_dir="$1" |
| 734 | local _src_basename="$2" |
| 735 | local _abs_libdir="$3" |
| 736 | |
| 737 | local _uninstaller="$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/uninstall.sh" |
| 738 | msg "creating uninstall script at $_uninstaller" |
| 739 | run cp "$_src_dir/$_src_basename" "$_uninstaller" |
| 740 | critical_need_ok "unable to install uninstaller" |
| 741 | } |
| 742 | |
| 743 | do_preflight_sanity_checks() { |
| 744 | local _src_dir="$1" |
| 745 | local _dest_prefix="$2" |
| 746 | |
| 747 | # Sanity check: can we can write to the destination? |
| 748 | verbose_msg "verifying destination is writable" |
| 749 | make_dir_recursive "$CFG_LIBDIR" |
| 750 | need_ok "can't write to destination. consider \`sudo\`." |
| 751 | touch "$CFG_LIBDIR/rust-install-probe" > /dev/null |
| 752 | if [ $? -ne 0 ] |
| 753 | then |
| 754 | err "can't write to destination. consider \`sudo\`." |
| 755 | fi |
| 756 | rm "$CFG_LIBDIR/rust-install-probe" |
| 757 | need_ok "failed to remove install probe" |
| 758 | |
| 759 | # Sanity check: don't install to the directory containing the installer. |
| 760 | # That would surely cause chaos. |
| 761 | verbose_msg "verifying destination is not the same as source" |
| 762 | local _prefix_dir="$(abs_path "$dest_prefix")" |
| 763 | if [ "$_src_dir" = "$_dest_prefix" -a "${CFG_UNINSTALL-}" != 1 ]; then |
| 764 | err "cannot install to same directory as installer" |
| 765 | fi |
| 766 | } |
| 767 | |
| 768 | verbose_msg "looking for install programs" |
| 769 | verbose_msg |
| 770 | |
| 771 | need_cmd mkdir |
| 772 | need_cmd printf |
| 773 | need_cmd cut |
| 774 | need_cmd grep |
| 775 | need_cmd uname |
| 776 | need_cmd tr |
| 777 | need_cmd sed |
| 778 | need_cmd chmod |
| 779 | need_cmd env |
| 780 | need_cmd pwd |
| 781 | |
| 782 | CFG_ARGS="${@:-}" |
| 783 | |
| 784 | HELP=0 |
| 785 | if [ "${1-}" = "--help" ] |
| 786 | then |
| 787 | HELP=1 |
| 788 | shift |
| 789 | echo |
| 790 | echo "Usage: $0 [options]" |
| 791 | echo |
| 792 | echo "Options:" |
| 793 | echo |
| 794 | else |
| 795 | verbose_step_msg "processing arguments" |
| 796 | fi |
| 797 | |
| 798 | OPTIONS="" |
| 799 | BOOL_OPTIONS="" |
| 800 | VAL_OPTIONS="" |
| 801 | |
| 802 | flag uninstall "only uninstall from the installation prefix" |
| 803 | valopt destdir "" "set installation root" |
| 804 | valopt prefix "/usr/local" "set installation prefix" |
| 805 | |
| 806 | # Avoid prepending an extra / to the prefix path if there's no destdir |
| 807 | # NB: CFG vars here are undefined when passing --help |
| 808 | if [ -z "${CFG_DESTDIR-}" ]; then |
| 809 | CFG_DESTDIR_PREFIX="${CFG_PREFIX-}" |
| 810 | else |
| 811 | CFG_DESTDIR_PREFIX="$CFG_DESTDIR/$CFG_PREFIX" |
| 812 | fi |
| 813 | |
| 814 | # NB This isn't quite the same definition as in `configure`. |
| 815 | # just using 'lib' instead of configure's CFG_LIBDIR_RELATIVE |
| 816 | valopt without "" "comma-separated list of components to not install" |
| 817 | valopt components "" "comma-separated list of components to install" |
| 818 | flag list-components "list available components" |
| 819 | valopt sysconfdir "$CFG_DESTDIR_PREFIX/etc" "install system configuration files" |
| 820 | valopt bindir "$CFG_DESTDIR_PREFIX/bin" "install binaries" |
| 821 | valopt libdir "$CFG_DESTDIR_PREFIX/lib" "install libraries" |
| 822 | valopt datadir "$CFG_DESTDIR_PREFIX/share" "install data" |
| 823 | # NB We repeat datadir default value because we don't set CFG_DATADIR in --help |
| 824 | valopt mandir "${CFG_DATADIR-"$CFG_DESTDIR_PREFIX/share"}/man" "install man pages in PATH" |
| 825 | # NB See the docdir handling in install_components for an explanation of this |
| 826 | # weird <default> string |
| 827 | valopt docdir "\<default\>" "install documentation in PATH" |
| 828 | opt ldconfig 1 "run ldconfig after installation (Linux only)" |
| 829 | opt verify 1 "obsolete" |
| 830 | flag verbose "run with verbose output" |
| 831 | |
| 832 | if [ $HELP -eq 1 ] |
| 833 | then |
| 834 | echo |
| 835 | exit 0 |
| 836 | fi |
| 837 | |
| 838 | verbose_step_msg "validating arguments" |
| 839 | validate_opt |
| 840 | |
| 841 | # Template configuration. |
| 842 | # These names surrounded by '%%` are replaced by sed when generating install.sh |
| 843 | # FIXME: Might want to consider loading this from a file and not generating install.sh |
| 844 | |
| 845 | # Rust or Cargo |
| 846 | TEMPLATE_PRODUCT_NAME='Rust' |
| 847 | # rustlib or cargo |
| 848 | TEMPLATE_REL_MANIFEST_DIR=rustlib |
| 849 | # 'Rust is ready to roll.' or 'Cargo is cool to cruise.' |
| 850 | TEMPLATE_SUCCESS_MESSAGE='Rust is ready to roll.' |
| 851 | # Locations to look for directories containing legacy, pre-versioned manifests |
| 852 | TEMPLATE_LEGACY_MANIFEST_DIRS='rustlib,cargo' |
| 853 | # The installer version |
| 854 | TEMPLATE_RUST_INSTALLER_VERSION='3' |
| 855 | |
| 856 | # OK, let's get installing ... |
| 857 | |
| 858 | # This is where we are installing from |
| 859 | src_dir="$(abs_path $(dirname "$0"))" |
| 860 | |
| 861 | # The name of the script |
| 862 | src_basename="$(basename "$0")" |
| 863 | |
| 864 | # If we've been run as 'uninstall.sh' (from the existing installation) |
| 865 | # then we're doing a full uninstall, as opposed to the --uninstall flag |
| 866 | # which just means 'uninstall my components'. |
| 867 | if [ "$src_basename" = "uninstall.sh" ]; then |
| 868 | if [ "${*:-}" != "" ]; then |
| 869 | # Currently don't know what to do with arguments in this mode |
| 870 | err "uninstall.sh does not take any arguments" |
| 871 | fi |
| 872 | CFG_UNINSTALL=1 |
| 873 | CFG_DESTDIR_PREFIX="$(abs_path "$src_dir/../../")" |
| 874 | CFG_LIBDIR="$(abs_path "$src_dir/../")" |
| 875 | fi |
| 876 | |
| 877 | # This is where we are installing to |
| 878 | dest_prefix="$CFG_DESTDIR_PREFIX" |
| 879 | |
| 880 | # Open the components file to get the list of components to install. |
| 881 | # NB: During install this components file is read from the installer's |
| 882 | # source dir, during a full uninstall it's read from the manifest dir, |
| 883 | # and thus contains all installed components. |
| 884 | components=`cat "$src_dir/components"` |
| 885 | |
| 886 | # Sanity check: do we have components? |
| 887 | if [ ! -n "$components" ]; then |
| 888 | err "unable to find installation components" |
| 889 | fi |
| 890 | |
| 891 | # If the user asked for a component list, do that and exit |
| 892 | if [ -n "${CFG_LIST_COMPONENTS-}" ]; then |
| 893 | echo |
| 894 | echo "# Available components" |
| 895 | echo |
| 896 | for component in $components; do |
| 897 | echo "* $component" |
| 898 | done |
| 899 | echo |
| 900 | exit 0 |
| 901 | fi |
| 902 | |
| 903 | # If the user specified which components to install/uninstall, |
| 904 | # then validate that they exist and select them for installation |
| 905 | if [ -n "$CFG_COMPONENTS" ]; then |
| 906 | # Remove commas |
| 907 | user_components="$(echo "$CFG_COMPONENTS" | sed "s/,/ /g")" |
| 908 | for user_component in $user_components; do |
| 909 | found=false |
| 910 | for my_component in $components; do |
| 911 | if [ "$user_component" = "$my_component" ]; then |
| 912 | found=true |
| 913 | fi |
| 914 | done |
| 915 | if [ "$found" = false ]; then |
| 916 | err "unknown component: $user_component" |
| 917 | fi |
| 918 | done |
| 919 | components="$user_components" |
| 920 | fi |
| 921 | |
| 922 | if [ -n "$CFG_WITHOUT" ]; then |
| 923 | without_components="$(echo "$CFG_WITHOUT" | sed "s/,/ /g")" |
| 924 | for without_component in $without_components; do |
| 925 | components="$(echo "$components" | sed "s/$without_component//" | sed "s/$without_component//")" |
| 926 | done |
| 927 | fi |
| 928 | |
| 929 | if [ -z "$components" ]; then |
| 930 | if [ -z "${CFG_UNINSTALL-}" ]; then |
| 931 | err "no components selected for installation" |
| 932 | else |
| 933 | err "no components selected for uninstallation" |
| 934 | fi |
| 935 | fi |
| 936 | |
| 937 | do_preflight_sanity_checks "$src_dir" "$dest_prefix" |
| 938 | |
| 939 | # Using an absolute path to libdir in a few places so that the status |
| 940 | # messages are consistently using absolute paths. |
| 941 | absolutify "$CFG_LIBDIR" |
| 942 | abs_libdir="$RETVAL" |
| 943 | assert_nz "$abs_libdir" "abs_libdir" |
| 944 | |
| 945 | # Create the manifest directory, where we will put our logs |
| 946 | make_dir_recursive "$abs_libdir/$TEMPLATE_REL_MANIFEST_DIR" |
| 947 | need_ok "failed to create $TEMPLATE_REL_MANIFEST_DIR" |
| 948 | |
| 949 | # Log messages and commands |
| 950 | init_logging "$abs_libdir" |
| 951 | |
| 952 | # First do any uninstallation, including from legacy manifests. This |
| 953 | # will also upgrade the metadata of existing installs. |
| 954 | uninstall_components "$abs_libdir" "$dest_prefix" "$components" |
| 955 | |
| 956 | # If we're only uninstalling then exit |
| 957 | if [ -n "${CFG_UNINSTALL-}" ] |
| 958 | then |
| 959 | echo |
| 960 | echo " $TEMPLATE_PRODUCT_NAME is uninstalled." |
| 961 | echo |
| 962 | exit 0 |
| 963 | fi |
| 964 | |
| 965 | # Create the manifest directory again! uninstall_legacy |
| 966 | # may have deleted it. |
| 967 | make_dir_recursive "$abs_libdir/$TEMPLATE_REL_MANIFEST_DIR" |
| 968 | need_ok "failed to create $TEMPLATE_REL_MANIFEST_DIR" |
| 969 | |
| 970 | # Drop the version number into the manifest dir |
| 971 | write_to_file "$TEMPLATE_RUST_INSTALLER_VERSION" "$abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/rust-installer-version" |
| 972 | critical_need_ok "failed to write installer version" |
| 973 | |
| 974 | # Install the uninstaller |
| 975 | install_uninstaller "$src_dir" "$src_basename" "$abs_libdir" |
| 976 | |
| 977 | # Install each component |
| 978 | install_components "$src_dir" "$abs_libdir" "$dest_prefix" "$components" |
| 979 | |
| 980 | # Make dynamic libraries available to the linker |
| 981 | maybe_configure_ld "$abs_libdir" |
| 982 | |
| 983 | echo |
| 984 | echo " $TEMPLATE_SUCCESS_MESSAGE" |
| 985 | echo |
| 986 | |
| 987 | |