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Annotation of pkgsrc/pkgtools/pkg_install/files/install-sh, Revision 1.1.1.1

1.1       schmonz     1: #! /bin/sh
                      2: #
                      3: # install - install a program, script, or datafile
                      4: # This comes from X11R5.
                      5: #
                      6: # Calling this script install-sh is preferred over install.sh, to prevent
                      7: # `make' implicit rules from creating a file called install from it
                      8: # when there is no Makefile.
                      9: #
                     10: # This script is compatible with the BSD install script, but was written
                     11: # from scratch.
                     12: #
                     13:
                     14:
                     15: # set DOITPROG to echo to test this script
                     16:
                     17: # Don't use :- since 4.3BSD and earlier shells don't like it.
                     18: doit="${DOITPROG-}"
                     19:
                     20:
                     21: # put in absolute paths if you don't have them in your path; or use env. vars.
                     22:
                     23: mvprog="${MVPROG-mv}"
                     24: cpprog="${CPPROG-cp}"
                     25: chmodprog="${CHMODPROG-chmod}"
                     26: chownprog="${CHOWNPROG-chown}"
                     27: chgrpprog="${CHGRPPROG-chgrp}"
                     28: stripprog="${STRIPPROG-strip}"
                     29: rmprog="${RMPROG-rm}"
                     30: mkdirprog="${MKDIRPROG-mkdir}"
                     31:
                     32: tranformbasename=""
                     33: transform_arg=""
                     34: instcmd="$mvprog"
                     35: chmodcmd="$chmodprog 0755"
                     36: chowncmd=""
                     37: chgrpcmd=""
                     38: stripcmd=""
                     39: rmcmd="$rmprog -f"
                     40: mvcmd="$mvprog"
                     41: src=""
                     42: dst=""
                     43: dir_arg=""
                     44:
                     45: while [ x"$1" != x ]; do
                     46:     case $1 in
                     47:        -c) instcmd="$cpprog"
                     48:            shift
                     49:            continue;;
                     50:
                     51:        -d) dir_arg=true
                     52:            shift
                     53:            continue;;
                     54:
                     55:        -m) chmodcmd="$chmodprog $2"
                     56:            shift
                     57:            shift
                     58:            continue;;
                     59:
                     60:        -o) chowncmd="$chownprog $2"
                     61:            shift
                     62:            shift
                     63:            continue;;
                     64:
                     65:        -g) chgrpcmd="$chgrpprog $2"
                     66:            shift
                     67:            shift
                     68:            continue;;
                     69:
                     70:        -s) stripcmd="$stripprog"
                     71:            shift
                     72:            continue;;
                     73:
                     74:        -t=*) transformarg=`echo $1 | sed 's/-t=//'`
                     75:            shift
                     76:            continue;;
                     77:
                     78:        -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
                     79:            shift
                     80:            continue;;
                     81:
                     82:        *)  if [ x"$src" = x ]
                     83:            then
                     84:                src=$1
                     85:            else
                     86:                # this colon is to work around a 386BSD /bin/sh bug
                     87:                :
                     88:                dst=$1
                     89:            fi
                     90:            shift
                     91:            continue;;
                     92:     esac
                     93: done
                     94:
                     95: if [ x"$src" = x ]
                     96: then
                     97:        echo "install:  no input file specified"
                     98:        exit 1
                     99: else
                    100:        true
                    101: fi
                    102:
                    103: if [ x"$dir_arg" != x ]; then
                    104:        dst=$src
                    105:        src=""
                    106:
                    107:        if [ -d $dst ]; then
                    108:                instcmd=:
                    109:        else
                    110:                instcmd=mkdir
                    111:        fi
                    112: else
                    113:
                    114: # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
                    115: # might cause directories to be created, which would be especially bad
                    116: # if $src (and thus $dsttmp) contains '*'.
                    117:
                    118:        if [ -f $src -o -d $src ]
                    119:        then
                    120:                true
                    121:        else
                    122:                echo "install:  $src does not exist"
                    123:                exit 1
                    124:        fi
                    125:
                    126:        if [ x"$dst" = x ]
                    127:        then
                    128:                echo "install:  no destination specified"
                    129:                exit 1
                    130:        else
                    131:                true
                    132:        fi
                    133:
                    134: # If destination is a directory, append the input filename; if your system
                    135: # does not like double slashes in filenames, you may need to add some logic
                    136:
                    137:        if [ -d $dst ]
                    138:        then
                    139:                dst="$dst"/`basename $src`
                    140:        else
                    141:                true
                    142:        fi
                    143: fi
                    144:
                    145: ## this sed command emulates the dirname command
                    146: dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
                    147:
                    148: # Make sure that the destination directory exists.
                    149: #  this part is taken from Noah Friedman's mkinstalldirs script
                    150:
                    151: # Skip lots of stat calls in the usual case.
                    152: if [ ! -d "$dstdir" ]; then
                    153: defaultIFS='
                    154: '
                    155: IFS="${IFS-${defaultIFS}}"
                    156:
                    157: oIFS="${IFS}"
                    158: # Some sh's can't handle IFS=/ for some reason.
                    159: IFS='%'
                    160: set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
                    161: IFS="${oIFS}"
                    162:
                    163: pathcomp=''
                    164:
                    165: while [ $# -ne 0 ] ; do
                    166:        pathcomp="${pathcomp}${1}"
                    167:        shift
                    168:
                    169:        if [ ! -d "${pathcomp}" ] ;
                    170:         then
                    171:                $mkdirprog "${pathcomp}"
                    172:        else
                    173:                true
                    174:        fi
                    175:
                    176:        pathcomp="${pathcomp}/"
                    177: done
                    178: fi
                    179:
                    180: if [ x"$dir_arg" != x ]
                    181: then
                    182:        $doit $instcmd $dst &&
                    183:
                    184:        if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
                    185:        if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
                    186:        if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
                    187:        if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
                    188: else
                    189:
                    190: # If we're going to rename the final executable, determine the name now.
                    191:
                    192:        if [ x"$transformarg" = x ]
                    193:        then
                    194:                dstfile=`basename $dst`
                    195:        else
                    196:                dstfile=`basename $dst $transformbasename |
                    197:                        sed $transformarg`$transformbasename
                    198:        fi
                    199:
                    200: # don't allow the sed command to completely eliminate the filename
                    201:
                    202:        if [ x"$dstfile" = x ]
                    203:        then
                    204:                dstfile=`basename $dst`
                    205:        else
                    206:                true
                    207:        fi
                    208:
                    209: # Make a temp file name in the proper directory.
                    210:
                    211:        dsttmp=$dstdir/#inst.$$#
                    212:
                    213: # Move or copy the file name to the temp name
                    214:
                    215:        $doit $instcmd $src $dsttmp &&
                    216:
                    217:        trap "rm -f ${dsttmp}" 0 &&
                    218:
                    219: # and set any options; do chmod last to preserve setuid bits
                    220:
                    221: # If any of these fail, we abort the whole thing.  If we want to
                    222: # ignore errors from any of these, just make sure not to ignore
                    223: # errors from the above "$doit $instcmd $src $dsttmp" command.
                    224:
                    225:        if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
                    226:        if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
                    227:        if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
                    228:        if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
                    229:
                    230: # Now rename the file to the real destination.
                    231:
                    232:        $doit $rmcmd -f $dstdir/$dstfile &&
                    233:        $doit $mvcmd $dsttmp $dstdir/$dstfile
                    234:
                    235: fi &&
                    236:
                    237:
                    238: exit 0

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