Annotation of embedaddon/curl/install-sh, revision 1.1
1.1 ! misho 1: #!/bin/sh
! 2: # install - install a program, script, or datafile
! 3:
! 4: scriptversion=2018-03-11.20; # UTC
! 5:
! 6: # This originates from X11R5 (mit/util/scripts/install.sh), which was
! 7: # later released in X11R6 (xc/config/util/install.sh) with the
! 8: # following copyright and license.
! 9: #
! 10: # Copyright (C) 1994 X Consortium
! 11: #
! 12: # Permission is hereby granted, free of charge, to any person obtaining a copy
! 13: # of this software and associated documentation files (the "Software"), to
! 14: # deal in the Software without restriction, including without limitation the
! 15: # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
! 16: # sell copies of the Software, and to permit persons to whom the Software is
! 17: # furnished to do so, subject to the following conditions:
! 18: #
! 19: # The above copyright notice and this permission notice shall be included in
! 20: # all copies or substantial portions of the Software.
! 21: #
! 22: # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
! 23: # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
! 24: # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
! 25: # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
! 26: # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
! 27: # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
! 28: #
! 29: # Except as contained in this notice, the name of the X Consortium shall not
! 30: # be used in advertising or otherwise to promote the sale, use or other deal-
! 31: # ings in this Software without prior written authorization from the X Consor-
! 32: # tium.
! 33: #
! 34: #
! 35: # FSF changes to this file are in the public domain.
! 36: #
! 37: # Calling this script install-sh is preferred over install.sh, to prevent
! 38: # 'make' implicit rules from creating a file called install from it
! 39: # when there is no Makefile.
! 40: #
! 41: # This script is compatible with the BSD install script, but was written
! 42: # from scratch.
! 43:
! 44: tab=' '
! 45: nl='
! 46: '
! 47: IFS=" $tab$nl"
! 48:
! 49: # Set DOITPROG to "echo" to test this script.
! 50:
! 51: doit=${DOITPROG-}
! 52: doit_exec=${doit:-exec}
! 53:
! 54: # Put in absolute file names if you don't have them in your path;
! 55: # or use environment vars.
! 56:
! 57: chgrpprog=${CHGRPPROG-chgrp}
! 58: chmodprog=${CHMODPROG-chmod}
! 59: chownprog=${CHOWNPROG-chown}
! 60: cmpprog=${CMPPROG-cmp}
! 61: cpprog=${CPPROG-cp}
! 62: mkdirprog=${MKDIRPROG-mkdir}
! 63: mvprog=${MVPROG-mv}
! 64: rmprog=${RMPROG-rm}
! 65: stripprog=${STRIPPROG-strip}
! 66:
! 67: posix_mkdir=
! 68:
! 69: # Desired mode of installed file.
! 70: mode=0755
! 71:
! 72: chgrpcmd=
! 73: chmodcmd=$chmodprog
! 74: chowncmd=
! 75: mvcmd=$mvprog
! 76: rmcmd="$rmprog -f"
! 77: stripcmd=
! 78:
! 79: src=
! 80: dst=
! 81: dir_arg=
! 82: dst_arg=
! 83:
! 84: copy_on_change=false
! 85: is_target_a_directory=possibly
! 86:
! 87: usage="\
! 88: Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
! 89: or: $0 [OPTION]... SRCFILES... DIRECTORY
! 90: or: $0 [OPTION]... -t DIRECTORY SRCFILES...
! 91: or: $0 [OPTION]... -d DIRECTORIES...
! 92:
! 93: In the 1st form, copy SRCFILE to DSTFILE.
! 94: In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
! 95: In the 4th, create DIRECTORIES.
! 96:
! 97: Options:
! 98: --help display this help and exit.
! 99: --version display version info and exit.
! 100:
! 101: -c (ignored)
! 102: -C install only if different (preserve the last data modification time)
! 103: -d create directories instead of installing files.
! 104: -g GROUP $chgrpprog installed files to GROUP.
! 105: -m MODE $chmodprog installed files to MODE.
! 106: -o USER $chownprog installed files to USER.
! 107: -s $stripprog installed files.
! 108: -t DIRECTORY install into DIRECTORY.
! 109: -T report an error if DSTFILE is a directory.
! 110:
! 111: Environment variables override the default commands:
! 112: CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
! 113: RMPROG STRIPPROG
! 114: "
! 115:
! 116: while test $# -ne 0; do
! 117: case $1 in
! 118: -c) ;;
! 119:
! 120: -C) copy_on_change=true;;
! 121:
! 122: -d) dir_arg=true;;
! 123:
! 124: -g) chgrpcmd="$chgrpprog $2"
! 125: shift;;
! 126:
! 127: --help) echo "$usage"; exit $?;;
! 128:
! 129: -m) mode=$2
! 130: case $mode in
! 131: *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
! 132: echo "$0: invalid mode: $mode" >&2
! 133: exit 1;;
! 134: esac
! 135: shift;;
! 136:
! 137: -o) chowncmd="$chownprog $2"
! 138: shift;;
! 139:
! 140: -s) stripcmd=$stripprog;;
! 141:
! 142: -t)
! 143: is_target_a_directory=always
! 144: dst_arg=$2
! 145: # Protect names problematic for 'test' and other utilities.
! 146: case $dst_arg in
! 147: -* | [=\(\)!]) dst_arg=./$dst_arg;;
! 148: esac
! 149: shift;;
! 150:
! 151: -T) is_target_a_directory=never;;
! 152:
! 153: --version) echo "$0 $scriptversion"; exit $?;;
! 154:
! 155: --) shift
! 156: break;;
! 157:
! 158: -*) echo "$0: invalid option: $1" >&2
! 159: exit 1;;
! 160:
! 161: *) break;;
! 162: esac
! 163: shift
! 164: done
! 165:
! 166: # We allow the use of options -d and -T together, by making -d
! 167: # take the precedence; this is for compatibility with GNU install.
! 168:
! 169: if test -n "$dir_arg"; then
! 170: if test -n "$dst_arg"; then
! 171: echo "$0: target directory not allowed when installing a directory." >&2
! 172: exit 1
! 173: fi
! 174: fi
! 175:
! 176: if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
! 177: # When -d is used, all remaining arguments are directories to create.
! 178: # When -t is used, the destination is already specified.
! 179: # Otherwise, the last argument is the destination. Remove it from $@.
! 180: for arg
! 181: do
! 182: if test -n "$dst_arg"; then
! 183: # $@ is not empty: it contains at least $arg.
! 184: set fnord "$@" "$dst_arg"
! 185: shift # fnord
! 186: fi
! 187: shift # arg
! 188: dst_arg=$arg
! 189: # Protect names problematic for 'test' and other utilities.
! 190: case $dst_arg in
! 191: -* | [=\(\)!]) dst_arg=./$dst_arg;;
! 192: esac
! 193: done
! 194: fi
! 195:
! 196: if test $# -eq 0; then
! 197: if test -z "$dir_arg"; then
! 198: echo "$0: no input file specified." >&2
! 199: exit 1
! 200: fi
! 201: # It's OK to call 'install-sh -d' without argument.
! 202: # This can happen when creating conditional directories.
! 203: exit 0
! 204: fi
! 205:
! 206: if test -z "$dir_arg"; then
! 207: if test $# -gt 1 || test "$is_target_a_directory" = always; then
! 208: if test ! -d "$dst_arg"; then
! 209: echo "$0: $dst_arg: Is not a directory." >&2
! 210: exit 1
! 211: fi
! 212: fi
! 213: fi
! 214:
! 215: if test -z "$dir_arg"; then
! 216: do_exit='(exit $ret); exit $ret'
! 217: trap "ret=129; $do_exit" 1
! 218: trap "ret=130; $do_exit" 2
! 219: trap "ret=141; $do_exit" 13
! 220: trap "ret=143; $do_exit" 15
! 221:
! 222: # Set umask so as not to create temps with too-generous modes.
! 223: # However, 'strip' requires both read and write access to temps.
! 224: case $mode in
! 225: # Optimize common cases.
! 226: *644) cp_umask=133;;
! 227: *755) cp_umask=22;;
! 228:
! 229: *[0-7])
! 230: if test -z "$stripcmd"; then
! 231: u_plus_rw=
! 232: else
! 233: u_plus_rw='% 200'
! 234: fi
! 235: cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
! 236: *)
! 237: if test -z "$stripcmd"; then
! 238: u_plus_rw=
! 239: else
! 240: u_plus_rw=,u+rw
! 241: fi
! 242: cp_umask=$mode$u_plus_rw;;
! 243: esac
! 244: fi
! 245:
! 246: for src
! 247: do
! 248: # Protect names problematic for 'test' and other utilities.
! 249: case $src in
! 250: -* | [=\(\)!]) src=./$src;;
! 251: esac
! 252:
! 253: if test -n "$dir_arg"; then
! 254: dst=$src
! 255: dstdir=$dst
! 256: test -d "$dstdir"
! 257: dstdir_status=$?
! 258: else
! 259:
! 260: # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
! 261: # might cause directories to be created, which would be especially bad
! 262: # if $src (and thus $dsttmp) contains '*'.
! 263: if test ! -f "$src" && test ! -d "$src"; then
! 264: echo "$0: $src does not exist." >&2
! 265: exit 1
! 266: fi
! 267:
! 268: if test -z "$dst_arg"; then
! 269: echo "$0: no destination specified." >&2
! 270: exit 1
! 271: fi
! 272: dst=$dst_arg
! 273:
! 274: # If destination is a directory, append the input filename.
! 275: if test -d "$dst"; then
! 276: if test "$is_target_a_directory" = never; then
! 277: echo "$0: $dst_arg: Is a directory" >&2
! 278: exit 1
! 279: fi
! 280: dstdir=$dst
! 281: dstbase=`basename "$src"`
! 282: case $dst in
! 283: */) dst=$dst$dstbase;;
! 284: *) dst=$dst/$dstbase;;
! 285: esac
! 286: dstdir_status=0
! 287: else
! 288: dstdir=`dirname "$dst"`
! 289: test -d "$dstdir"
! 290: dstdir_status=$?
! 291: fi
! 292: fi
! 293:
! 294: case $dstdir in
! 295: */) dstdirslash=$dstdir;;
! 296: *) dstdirslash=$dstdir/;;
! 297: esac
! 298:
! 299: obsolete_mkdir_used=false
! 300:
! 301: if test $dstdir_status != 0; then
! 302: case $posix_mkdir in
! 303: '')
! 304: # Create intermediate dirs using mode 755 as modified by the umask.
! 305: # This is like FreeBSD 'install' as of 1997-10-28.
! 306: umask=`umask`
! 307: case $stripcmd.$umask in
! 308: # Optimize common cases.
! 309: *[2367][2367]) mkdir_umask=$umask;;
! 310: .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
! 311:
! 312: *[0-7])
! 313: mkdir_umask=`expr $umask + 22 \
! 314: - $umask % 100 % 40 + $umask % 20 \
! 315: - $umask % 10 % 4 + $umask % 2
! 316: `;;
! 317: *) mkdir_umask=$umask,go-w;;
! 318: esac
! 319:
! 320: # With -d, create the new directory with the user-specified mode.
! 321: # Otherwise, rely on $mkdir_umask.
! 322: if test -n "$dir_arg"; then
! 323: mkdir_mode=-m$mode
! 324: else
! 325: mkdir_mode=
! 326: fi
! 327:
! 328: posix_mkdir=false
! 329: case $umask in
! 330: *[123567][0-7][0-7])
! 331: # POSIX mkdir -p sets u+wx bits regardless of umask, which
! 332: # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
! 333: ;;
! 334: *)
! 335: # Note that $RANDOM variable is not portable (e.g. dash); Use it
! 336: # here however when possible just to lower collision chance.
! 337: tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
! 338:
! 339: trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
! 340:
! 341: # Because "mkdir -p" follows existing symlinks and we likely work
! 342: # directly in world-writeable /tmp, make sure that the '$tmpdir'
! 343: # directory is successfully created first before we actually test
! 344: # 'mkdir -p' feature.
! 345: if (umask $mkdir_umask &&
! 346: $mkdirprog $mkdir_mode "$tmpdir" &&
! 347: exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
! 348: then
! 349: if test -z "$dir_arg" || {
! 350: # Check for POSIX incompatibilities with -m.
! 351: # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
! 352: # other-writable bit of parent directory when it shouldn't.
! 353: # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
! 354: test_tmpdir="$tmpdir/a"
! 355: ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
! 356: case $ls_ld_tmpdir in
! 357: d????-?r-*) different_mode=700;;
! 358: d????-?--*) different_mode=755;;
! 359: *) false;;
! 360: esac &&
! 361: $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
! 362: ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
! 363: test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
! 364: }
! 365: }
! 366: then posix_mkdir=:
! 367: fi
! 368: rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
! 369: else
! 370: # Remove any dirs left behind by ancient mkdir implementations.
! 371: rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
! 372: fi
! 373: trap '' 0;;
! 374: esac;;
! 375: esac
! 376:
! 377: if
! 378: $posix_mkdir && (
! 379: umask $mkdir_umask &&
! 380: $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
! 381: )
! 382: then :
! 383: else
! 384:
! 385: # The umask is ridiculous, or mkdir does not conform to POSIX,
! 386: # or it failed possibly due to a race condition. Create the
! 387: # directory the slow way, step by step, checking for races as we go.
! 388:
! 389: case $dstdir in
! 390: /*) prefix='/';;
! 391: [-=\(\)!]*) prefix='./';;
! 392: *) prefix='';;
! 393: esac
! 394:
! 395: oIFS=$IFS
! 396: IFS=/
! 397: set -f
! 398: set fnord $dstdir
! 399: shift
! 400: set +f
! 401: IFS=$oIFS
! 402:
! 403: prefixes=
! 404:
! 405: for d
! 406: do
! 407: test X"$d" = X && continue
! 408:
! 409: prefix=$prefix$d
! 410: if test -d "$prefix"; then
! 411: prefixes=
! 412: else
! 413: if $posix_mkdir; then
! 414: (umask=$mkdir_umask &&
! 415: $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
! 416: # Don't fail if two instances are running concurrently.
! 417: test -d "$prefix" || exit 1
! 418: else
! 419: case $prefix in
! 420: *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
! 421: *) qprefix=$prefix;;
! 422: esac
! 423: prefixes="$prefixes '$qprefix'"
! 424: fi
! 425: fi
! 426: prefix=$prefix/
! 427: done
! 428:
! 429: if test -n "$prefixes"; then
! 430: # Don't fail if two instances are running concurrently.
! 431: (umask $mkdir_umask &&
! 432: eval "\$doit_exec \$mkdirprog $prefixes") ||
! 433: test -d "$dstdir" || exit 1
! 434: obsolete_mkdir_used=true
! 435: fi
! 436: fi
! 437: fi
! 438:
! 439: if test -n "$dir_arg"; then
! 440: { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
! 441: { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
! 442: { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
! 443: test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
! 444: else
! 445:
! 446: # Make a couple of temp file names in the proper directory.
! 447: dsttmp=${dstdirslash}_inst.$$_
! 448: rmtmp=${dstdirslash}_rm.$$_
! 449:
! 450: # Trap to clean up those temp files at exit.
! 451: trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
! 452:
! 453: # Copy the file name to the temp name.
! 454: (umask $cp_umask &&
! 455: { test -z "$stripcmd" || {
! 456: # Create $dsttmp read-write so that cp doesn't create it read-only,
! 457: # which would cause strip to fail.
! 458: if test -z "$doit"; then
! 459: : >"$dsttmp" # No need to fork-exec 'touch'.
! 460: else
! 461: $doit touch "$dsttmp"
! 462: fi
! 463: }
! 464: } &&
! 465: $doit_exec $cpprog "$src" "$dsttmp") &&
! 466:
! 467: # and set any options; do chmod last to preserve setuid bits.
! 468: #
! 469: # If any of these fail, we abort the whole thing. If we want to
! 470: # ignore errors from any of these, just make sure not to ignore
! 471: # errors from the above "$doit $cpprog $src $dsttmp" command.
! 472: #
! 473: { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
! 474: { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
! 475: { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
! 476: { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
! 477:
! 478: # If -C, don't bother to copy if it wouldn't change the file.
! 479: if $copy_on_change &&
! 480: old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
! 481: new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
! 482: set -f &&
! 483: set X $old && old=:$2:$4:$5:$6 &&
! 484: set X $new && new=:$2:$4:$5:$6 &&
! 485: set +f &&
! 486: test "$old" = "$new" &&
! 487: $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
! 488: then
! 489: rm -f "$dsttmp"
! 490: else
! 491: # Rename the file to the real destination.
! 492: $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
! 493:
! 494: # The rename failed, perhaps because mv can't rename something else
! 495: # to itself, or perhaps because mv is so ancient that it does not
! 496: # support -f.
! 497: {
! 498: # Now remove or move aside any old file at destination location.
! 499: # We try this two ways since rm can't unlink itself on some
! 500: # systems and the destination file might be busy for other
! 501: # reasons. In this case, the final cleanup might fail but the new
! 502: # file should still install successfully.
! 503: {
! 504: test ! -f "$dst" ||
! 505: $doit $rmcmd -f "$dst" 2>/dev/null ||
! 506: { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
! 507: { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
! 508: } ||
! 509: { echo "$0: cannot unlink or rename $dst" >&2
! 510: (exit 1); exit 1
! 511: }
! 512: } &&
! 513:
! 514: # Now rename the file to the real destination.
! 515: $doit $mvcmd "$dsttmp" "$dst"
! 516: }
! 517: fi || exit 1
! 518:
! 519: trap '' 0
! 520: fi
! 521: done
! 522:
! 523: # Local variables:
! 524: # eval: (add-hook 'before-save-hook 'time-stamp)
! 525: # time-stamp-start: "scriptversion="
! 526: # time-stamp-format: "%:y-%02m-%02d.%02H"
! 527: # time-stamp-time-zone: "UTC0"
! 528: # time-stamp-end: "; # UTC"
! 529: # End:
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