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Annotation of src/usr.bin/less/install.sh, Revision 1.4

1.1       etheisen    1: #!/bin/sh
                      2:
                      3: #
                      4: # install - install a program, script, or datafile
                      5: # This comes from X11R5; it is not part of GNU.
                      6: #
                      7: # $XConsortium: install.sh,v 1.2 89/12/18 14:47:22 jim Exp $
                      8: #
                      9: # This script is compatible with the BSD install script, but was written
                     10: # from scratch.
                     11: #
                     12:
                     13:
                     14: # set DOITPROG to echo to test this script
                     15:
                     16: # Don't use :- since 4.3BSD and earlier shells don't like it.
                     17: doit="${DOITPROG-}"
                     18:
                     19:
                     20: # put in absolute paths if you don't have them in your path; or use env. vars.
                     21:
                     22: mvprog="${MVPROG-mv}"
                     23: cpprog="${CPPROG-cp}"
                     24: chmodprog="${CHMODPROG-chmod}"
                     25: chownprog="${CHOWNPROG-chown}"
                     26: chgrpprog="${CHGRPPROG-chgrp}"
                     27: stripprog="${STRIPPROG-strip}"
                     28: rmprog="${RMPROG-rm}"
                     29:
                     30: instcmd="$mvprog"
                     31: chmodcmd=""
                     32: chowncmd=""
                     33: chgrpcmd=""
                     34: stripcmd=""
                     35: rmcmd="$rmprog -f"
                     36: mvcmd="$mvprog"
                     37: src=""
                     38: dst=""
                     39:
                     40: while [ x"$1" != x ]; do
                     41:     case $1 in
                     42:        -c) instcmd="$cpprog"
                     43:            shift
                     44:            continue;;
                     45:
                     46:        -m) chmodcmd="$chmodprog $2"
                     47:            shift
                     48:            shift
                     49:            continue;;
                     50:
                     51:        -o) chowncmd="$chownprog $2"
                     52:            shift
                     53:            shift
                     54:            continue;;
                     55:
                     56:        -g) chgrpcmd="$chgrpprog $2"
                     57:            shift
                     58:            shift
                     59:            continue;;
                     60:
                     61:        -s) stripcmd="$stripprog"
                     62:            shift
                     63:            continue;;
                     64:
                     65:        *)  if [ x"$src" = x ]
                     66:            then
                     67:                src=$1
                     68:            else
                     69:                dst=$1
                     70:            fi
                     71:            shift
                     72:            continue;;
                     73:     esac
                     74: done
                     75:
                     76: if [ x"$src" = x ]
                     77: then
                     78:        echo "install:  no input file specified"
                     79:        exit 1
                     80: fi
                     81:
                     82: if [ x"$dst" = x ]
                     83: then
                     84:        echo "install:  no destination specified"
                     85:        exit 1
                     86: fi
                     87:
                     88:
                     89: # If destination is a directory, append the input filename; if your system
                     90: # does not like double slashes in filenames, you may need to add some logic
                     91:
                     92: if [ -d $dst ]
                     93: then
                     94:        dst="$dst"/`basename $src`
                     95: fi
                     96:
                     97: # Make a temp file name in the proper directory.
                     98:
                     99: dstdir=`dirname $dst`
1.4     ! shadchin  100: dsttmp=$dstdir/_inst.$$_
1.1       etheisen  101:
                    102: # Move or copy the file name to the temp name
                    103:
                    104: $doit $instcmd $src $dsttmp
                    105:
                    106: # and set any options; do chmod last to preserve setuid bits
                    107:
                    108: if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; fi
                    109: if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; fi
                    110: if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; fi
                    111: if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; fi
                    112:
                    113: # Now rename the file to the real destination.
                    114:
                    115: $doit $rmcmd $dst
                    116: $doit $mvcmd $dsttmp $dst
                    117:
                    118:
                    119: exit 0