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* libltdl/config/edit-readme-alpha: If README is non-writable assume that it is being run from distcheck, and bail out with a warning (to help diagnose cases where the heuristic is not correct). However, if README has already been edited to the alpha text, quietly skip without an error message. Signed-off-by: Gary V. Vaughan <gary@gnu.org>
95 lines
3.3 KiB
Bash
Executable File
95 lines
3.3 KiB
Bash
Executable File
#! /bin/sh
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# edit-readme-alpha - edit README file for alpha releases
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# Copyright (C) 2010 Free Software Foundation, Inc.
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# Written by Gary V. Vaughan, 2010
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#
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# This file is part of GNU Libtool.
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#
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# GNU Libtool is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# GNU Libtool 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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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Libtool; see the file COPYING. If not, a copy
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# can be downloaded from http://www.gnu.org/licenses/gpl.html,
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# or obtained by writing to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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####
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# We used to maintain separate (but extremely similiar!) README and
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# README.alpha files, and had `make dist' include the right one in a
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# distribution based on the contests of `$(VERSION)'.
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#
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# Now, we have `make dist' call this script to tweak the first paragraph
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# of README in situ, to be more suitable for an alpha quality release.
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EXIT_SUCCESS=0
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EXIT_FAILURE=1
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# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
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# is ksh but when the shell is invoked as "sh" and the current value of
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# the _XPG environment variable is not equal to 1 (one), the special
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# positional parameter $0, within a function call, is the name of the
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# function.
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progpath="$0"
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# The name of this program:
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progname=`echo "$progpath" |sed 's|^.*/||'`
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# func_fatal_error ARG...
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# -----------------------
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# Echo program name prefixed message to standard error, and exit.
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func_fatal_error ()
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{
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echo "$progname: $*" >&2
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exit $EXIT_FAILURE
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}
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for file in "$@"; do
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# Assume that read-only README indicates that we are running inside
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# the latter part of a `make distcheck'.
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test -w $file || {
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echo "$progname: not editing non-writeable \`$file' (distcheck?)" >&2
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continue
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}
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# Make sure the paragraph we are matching has not been edited since
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# this script was written.
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matched=`sed -n -e '/^This is GNU Libtool,/,/^interface\.$/p' $file \
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|wc -l |sed 's|^ *||'`
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# Unless, of course, it was edited by this script already.
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test 3 = "$matched" \
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|| matched=`sed -n -e '/^This is an alpha testing release/,/behind a consistent, portable interface\.$/p' $file \
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|wc -l |sed 's|^ *||'`
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test 3 = "$matched" \
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|| func_fatal_error "$file format has changed, please fix \`$0'"
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# Don't leave file droppings.
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trap 'x=$?; rm $file.T; exit $x' 1 2 13 15
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# Edit the first paragraph to be suitable for an alpha release.
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sed -e '/^This is GNU Libtool,/,/^interface.$/c\
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This is an alpha testing release of GNU Libtool, a generic library\
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support script. Libtool hides the complexity of using shared libraries\
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behind a consistent, portable interface.' $file > $file.T
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# Diagnose redirection failure.
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test -f $file.T || func_fatal_error "Unable to write $file.T"
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# Overwrite the original file with our edited version.
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mv $file.T $file || func_fatal_error "Unable to edit $file"
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done
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exit $EXIT_SUCCESS
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