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7c86a2a7d8
* build-aux/msys-to-w32: simplify the initial over-engineered interface, and the implementation. * Makefile.in (epaths-force-w32): Update for the above.
118 lines
2.6 KiB
Bash
Executable File
118 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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# Take a list of MSYS-compatible paths and convert them to native
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# MS-Windows format.
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# Status is zero if successful, nonzero otherwise.
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# Copyright (C) 2013-2014 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Take only the basename from the full pathname
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me=${0//*\//}
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usage="usage: ${me} PATHLIST"
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help="$usage
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or: ${me} OPTION
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Convert a MSYS path list to Windows-native format.
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PATHLIST should be a colon-separated list of MSYS paths, which will be
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written to the standard output after performing these transformations:
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1. Discard empty paths.
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2. Replace: '\' with '/', '//' with '/' and ':' with ';'.
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3. Translate each path to Windows-native format.
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Relative paths or paths starting with '%emacs_dir%' will be passed
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verbatim to the standard output.
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Each non existing absolute paths will be translated by looking for its
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deepest existing directory, which will be translated and the remainder
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will be appended.
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Options:
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--help display this help and exit
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Report bugs to <bug-gnu-emacs@gnu.org>."
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for arg
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do
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case $arg in
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--help | --hel | --he | --h)
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exec echo "$help" ;;
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--)
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shift
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break ;;
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-*)
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echo "${me}: invalid option: $arg" >&2
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exit 1 ;;
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*)
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break ;;
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esac
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done
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[ $# -eq 1 ] || {
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echo "${me}: $usage" >&2
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exit 1
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}
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w32pathlist=""
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# Put each MSYS path in one positional parameter and iterate through
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# them
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IFS=:
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set -- $1
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for p
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do
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[ -z "$p" ] && continue
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if [ "${p:0:11}" = "%emacs_dir%" ]
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then
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w32p=$p
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elif [ "${p:0:1}" != "/" ]
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then
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w32p=$p
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elif [ -d "$p" ]
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then
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w32p=$(cd "$p" && pwd -W)
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else
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# Make some cleanup in the path and look for its deepest
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# existing directory
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p=${p//\\//}
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p=${p//\/\///}
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p=${p%/}
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p1=$p
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while :
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do
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p1=${p1%/*}
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[ -z "$p1" ] && p1="/" && break
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[ -d "$p1" ] && break
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done
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# translate the existing part and append the rest
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w32p=$(cd "${p1}" && pwd -W)
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remainder=${p#$p1}
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w32p+=/${remainder#/}
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fi
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w32pathlist="${w32pathlist};${w32p}"
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done
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echo "${w32pathlist:1}"
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