Annotation of embedaddon/libnet/install-sh, revision 1.1.1.3
1.1.1.2 misho 1: #!/bin/sh
1.1 misho 2: # install - install a program, script, or datafile
1.1.1.2 misho 3:
1.1.1.3 ! misho 4: scriptversion=2018-03-11.20; # UTC
1.1.1.2 misho 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.
1.1 misho 33: #
34: #
1.1.1.2 misho 35: # FSF changes to this file are in the public domain.
1.1 misho 36: #
37: # Calling this script install-sh is preferred over install.sh, to prevent
1.1.1.3 ! misho 38: # 'make' implicit rules from creating a file called install from it
1.1 misho 39: # when there is no Makefile.
40: #
41: # This script is compatible with the BSD install script, but was written
1.1.1.2 misho 42: # from scratch.
1.1 misho 43:
1.1.1.3 ! misho 44: tab=' '
1.1.1.2 misho 45: nl='
46: '
1.1.1.3 ! misho 47: IFS=" $tab$nl"
1.1 misho 48:
1.1.1.3 ! misho 49: # Set DOITPROG to "echo" to test this script.
1.1 misho 50:
1.1.1.2 misho 51: doit=${DOITPROG-}
1.1.1.3 ! misho 52: doit_exec=${doit:-exec}
1.1.1.2 misho 53:
54: # Put in absolute file names if you don't have them in your path;
55: # or use environment vars.
1.1 misho 56:
1.1.1.2 misho 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=${STRIPPROG-strip}
66:
67: posix_mkdir=
1.1 misho 68:
1.1.1.2 misho 69: # Desired mode of installed file.
70: mode=0755
1.1 misho 71:
1.1.1.2 misho 72: chgrpcmd=
73: chmodcmd=$chmodprog
74: chowncmd=
75: mvcmd=$mvprog
1.1 misho 76: rmcmd="$rmprog -f"
1.1.1.2 misho 77: stripcmd=
1.1 misho 78:
1.1.1.2 misho 79: src=
80: dst=
81: dir_arg=
82: dst_arg=
1.1 misho 83:
1.1.1.2 misho 84: copy_on_change=false
1.1.1.3 ! misho 85: is_target_a_directory=possibly
1.1 misho 86:
1.1.1.2 misho 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...
1.1 misho 92:
1.1.1.2 misho 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.
1.1 misho 96:
1.1.1.2 misho 97: Options:
98: --help display this help and exit.
99: --version display version info and exit.
1.1 misho 100:
1.1.1.2 misho 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.
1.1 misho 110:
1.1.1.2 misho 111: Environment variables override the default commands:
112: CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
113: RMPROG STRIPPROG
114: "
1.1 misho 115:
1.1.1.2 misho 116: while test $# -ne 0; do
117: case $1 in
118: -c) ;;
1.1 misho 119:
1.1.1.2 misho 120: -C) copy_on_change=true;;
1.1 misho 121:
1.1.1.2 misho 122: -d) dir_arg=true;;
1.1 misho 123:
1.1.1.2 misho 124: -g) chgrpcmd="$chgrpprog $2"
1.1.1.3 ! misho 125: shift;;
1.1 misho 126:
1.1.1.2 misho 127: --help) echo "$usage"; exit $?;;
1.1 misho 128:
1.1.1.2 misho 129: -m) mode=$2
1.1.1.3 ! misho 130: case $mode in
! 131: *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
! 132: echo "$0: invalid mode: $mode" >&2
! 133: exit 1;;
! 134: esac
! 135: shift;;
1.1 misho 136:
1.1.1.2 misho 137: -o) chowncmd="$chownprog $2"
1.1.1.3 ! misho 138: shift;;
1.1 misho 139:
1.1.1.2 misho 140: -s) stripcmd=$stripprog;;
1.1 misho 141:
1.1.1.3 ! misho 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;;
1.1.1.2 misho 150:
1.1.1.3 ! misho 151: -T) is_target_a_directory=never;;
1.1.1.2 misho 152:
153: --version) echo "$0 $scriptversion"; exit $?;;
154:
1.1.1.3 ! misho 155: --) shift
! 156: break;;
1.1.1.2 misho 157:
1.1.1.3 ! misho 158: -*) echo "$0: invalid option: $1" >&2
! 159: exit 1;;
1.1 misho 160:
1.1.1.2 misho 161: *) break;;
162: esac
163: shift
164: done
1.1 misho 165:
1.1.1.3 ! misho 166: # We allow the use of options -d and -T together, by making -d
! 167: # take the precedence; this is for compatibility with GNU install.
! 168:
! 169: if test -n "$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:
1.1.1.2 misho 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
1.1.1.3 ! misho 189: # Protect names problematic for 'test' and other utilities.
! 190: case $dst_arg in
! 191: -* | [=\(\)!]) dst_arg=./$dst_arg;;
! 192: esac
1.1.1.2 misho 193: done
194: fi
1.1 misho 195:
1.1.1.2 misho 196: if test $# -eq 0; then
197: if test -z "$dir_arg"; then
198: echo "$0: no input file specified." >&2
199: exit 1
200: fi
1.1.1.3 ! misho 201: # It's OK to call 'install-sh -d' without argument.
1.1.1.2 misho 202: # This can happen when creating conditional directories.
203: exit 0
204: fi
1.1 misho 205:
1.1.1.2 misho 206: if test -z "$dir_arg"; then
1.1.1.3 ! misho 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
1.1 misho 221:
1.1.1.2 misho 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
1.1.1.3 ! misho 231: u_plus_rw=
1.1.1.2 misho 232: else
1.1.1.3 ! misho 233: u_plus_rw='% 200'
1.1.1.2 misho 234: fi
235: cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
236: *)
237: if test -z "$stripcmd"; then
1.1.1.3 ! misho 238: u_plus_rw=
1.1.1.2 misho 239: else
1.1.1.3 ! misho 240: u_plus_rw=,u+rw
1.1.1.2 misho 241: fi
242: cp_umask=$mode$u_plus_rw;;
243: esac
244: fi
1.1 misho 245:
1.1.1.2 misho 246: for src
247: do
1.1.1.3 ! misho 248: # Protect names problematic for 'test' and other utilities.
1.1.1.2 misho 249: case $src in
1.1.1.3 ! misho 250: -* | [=\(\)!]) src=./$src;;
1.1.1.2 misho 251: esac
252:
253: if test -n "$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
1.1 misho 273:
1.1.1.3 ! misho 274: # If destination is a directory, append the input filename.
1.1.1.2 misho 275: if test -d "$dst"; then
1.1.1.3 ! misho 276: if test "$is_target_a_directory" = never; then
! 277: echo "$0: $dst_arg: Is a directory" >&2
! 278: exit 1
1.1.1.2 misho 279: fi
280: dstdir=$dst
1.1.1.3 ! misho 281: dstbase=`basename "$src"`
! 282: case $dst in
! 283: */) dst=$dst$dstbase;;
! 284: *) dst=$dst/$dstbase;;
! 285: esac
1.1.1.2 misho 286: dstdir_status=0
287: else
1.1.1.3 ! misho 288: dstdir=`dirname "$dst"`
1.1.1.2 misho 289: test -d "$dstdir"
290: dstdir_status=$?
291: fi
292: fi
293:
1.1.1.3 ! misho 294: case $dstdir in
! 295: */) dstdirslash=$dstdir;;
! 296: *) dstdirslash=$dstdir/;;
! 297: esac
! 298:
1.1.1.2 misho 299: obsolete_mkdir_used=false
300:
301: if test $dstdir_status != 0; then
302: case $posix_mkdir in
303: '')
1.1.1.3 ! misho 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;;
1.1.1.2 misho 375: esac
1.1 misho 376:
1.1.1.2 misho 377: if
378: $posix_mkdir && (
1.1.1.3 ! misho 379: umask $mkdir_umask &&
! 380: $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
1.1.1.2 misho 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
1.1.1.3 ! misho 390: /*) prefix='/';;
! 391: [-=\(\)!]*) prefix='./';;
! 392: *) prefix='';;
1.1.1.2 misho 393: esac
394:
395: oIFS=$IFS
396: IFS=/
1.1.1.3 ! misho 397: set -f
1.1.1.2 misho 398: set fnord $dstdir
399: shift
1.1.1.3 ! misho 400: set +f
1.1.1.2 misho 401: IFS=$oIFS
402:
403: prefixes=
404:
405: for d
406: do
1.1.1.3 ! misho 407: test X"$d" = X && continue
1.1.1.2 misho 408:
1.1.1.3 ! misho 409: prefix=$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/
1.1.1.2 misho 427: done
1.1 misho 428:
1.1.1.2 misho 429: if test -n "$prefixes"; then
1.1.1.3 ! misho 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
1.1.1.2 misho 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.
1.1.1.3 ! misho 447: dsttmp=${dstdirslash}_inst.$$_
! 448: rmtmp=${dstdirslash}_rm.$$_
1.1.1.2 misho 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 && $doit_exec $cpprog "$src" "$dsttmp") &&
455:
456: # and set any options; do chmod last to preserve setuid bits.
457: #
458: # If any of these fail, we abort the whole thing. If we want to
459: # ignore errors from any of these, just make sure not to ignore
460: # errors from the above "$doit $cpprog $src $dsttmp" command.
461: #
462: { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
463: { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
464: { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
465: { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
466:
467: # If -C, don't bother to copy if it wouldn't change the file.
468: if $copy_on_change &&
1.1.1.3 ! misho 469: old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
! 470: new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
! 471: set -f &&
1.1.1.2 misho 472: set X $old && old=:$2:$4:$5:$6 &&
473: set X $new && new=:$2:$4:$5:$6 &&
1.1.1.3 ! misho 474: set +f &&
1.1.1.2 misho 475: test "$old" = "$new" &&
476: $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
477: then
478: rm -f "$dsttmp"
479: else
480: # Rename the file to the real destination.
481: $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
482:
483: # The rename failed, perhaps because mv can't rename something else
484: # to itself, or perhaps because mv is so ancient that it does not
485: # support -f.
486: {
1.1.1.3 ! misho 487: # Now remove or move aside any old file at destination location.
! 488: # We try this two ways since rm can't unlink itself on some
! 489: # systems and the destination file might be busy for other
! 490: # reasons. In this case, the final cleanup might fail but the new
! 491: # file should still install successfully.
! 492: {
! 493: test ! -f "$dst" ||
! 494: $doit $rmcmd -f "$dst" 2>/dev/null ||
! 495: { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
! 496: { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
! 497: } ||
! 498: { echo "$0: cannot unlink or rename $dst" >&2
! 499: (exit 1); exit 1
! 500: }
! 501: } &&
1.1.1.2 misho 502:
1.1.1.3 ! misho 503: # Now rename the file to the real destination.
! 504: $doit $mvcmd "$dsttmp" "$dst"
1.1.1.2 misho 505: }
506: fi || exit 1
1.1 misho 507:
1.1.1.2 misho 508: trap '' 0
509: fi
510: done
1.1 misho 511:
1.1.1.2 misho 512: # Local variables:
1.1.1.3 ! misho 513: # eval: (add-hook 'before-save-hook 'time-stamp)
1.1.1.2 misho 514: # time-stamp-start: "scriptversion="
515: # time-stamp-format: "%:y-%02m-%02d.%02H"
1.1.1.3 ! misho 516: # time-stamp-time-zone: "UTC0"
1.1.1.2 misho 517: # time-stamp-end: "; # UTC"
518: # End:
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