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1#! /bin/sh
2#
3# Copyright (C) 2002-2020 Free Software Foundation, Inc.
4#
5# This program is free software: you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 3 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program.  If not, see <https://www.gnu.org/licenses/>.
17#
18
19# This file is meant for authors, maintainers, co-maintainers or installers
20# of packages which are internationalized with the help of GNU gettext.  For
21# further information how to use it consult the GNU gettext manual.
22
23progname=$0
24package=@PACKAGE@
25version=@VERSION@
26archive_version=@ARCHIVE_VERSION@
27
28# Set variables
29# - gettext_datadir     directory where the data files are stored.
30prefix="@prefix@"
31datarootdir="@datarootdir@"
32: ${gettext_datadir="@datadir@/gettext"}
33: ${AUTOM4TE=autom4te}
34
35# func_tmpdir
36# creates a temporary directory.
37# Sets variable
38# - tmp             pathname of freshly created temporary directory
39func_tmpdir ()
40{
41  # Use the environment variable TMPDIR, falling back to /tmp. This allows
42  # users to specify a different temporary directory, for example, if their
43  # /tmp is filled up or too small.
44  : ${TMPDIR=/tmp}
45  {
46    # Use the mktemp program if available. If not available, hide the error
47    # message.
48    tmp=`(umask 077 && mktemp -d "$TMPDIR/gtXXXXXX") 2>/dev/null` &&
49    test -n "$tmp" && test -d "$tmp"
50  } ||
51  {
52    # Use a simple mkdir command. It is guaranteed to fail if the directory
53    # already exists.  $RANDOM is bash specific and expands to empty in shells
54    # other than bash, ksh and zsh.  Its use does not increase security;
55    # rather, it minimizes the probability of failure in a very cluttered /tmp
56    # directory.
57    tmp=$TMPDIR/gt$$-$RANDOM
58    (umask 077 && mkdir "$tmp")
59  } ||
60  {
61    echo "$0: cannot create a temporary directory in $TMPDIR" >&2
62    { (exit 1); exit 1; }
63  }
64}
65
66# Support for relocatability.
67func_find_curr_installdir ()
68{
69  # Determine curr_installdir, even taking into account symlinks.
70  curr_executable="$0"
71  case "$curr_executable" in
72    */* | *\\*) ;;
73    *) # Need to look in the PATH.
74      save_IFS="$IFS"; IFS="${PATH_SEPARATOR='@PATH_SEPARATOR@'}"
75      for dir in $PATH; do
76        IFS="$save_IFS"
77        test -z "$dir" && dir=.
78        for exec_ext in ''; do
79          if test -f "$dir/$curr_executable$exec_ext"; then
80            curr_executable="$dir/$curr_executable$exec_ext"
81            break 2
82          fi
83        done
84      done
85      IFS="$save_IFS"
86      ;;
87  esac
88  # Make absolute.
89  case "$curr_executable" in
90    /* | ?:/* | ?:\\*) ;;
91    *) curr_executable=`pwd`/"$curr_executable" ;;
92  esac
93  # Resolve symlinks.
94  sed_dirname='s,/[^/]*$,,'
95  sed_linkdest='s,^.* -> \(.*\),\1,p'
96  while : ; do
97    lsline=`LC_ALL=C ls -l "$curr_executable"`
98    case "$lsline" in
99      *" -> "*)
100        linkdest=`echo "$lsline" | sed -n -e "$sed_linkdest"`
101        case "$linkdest" in
102          /* | ?:/* | ?:\\*) curr_executable="$linkdest" ;;
103          *) curr_executable=`echo "$curr_executable" | sed -e "$sed_dirname"`/"$linkdest" ;;
104        esac ;;
105      *) break ;;
106    esac
107  done
108  curr_installdir=`echo "$curr_executable" | sed -e 's,/[^/]*$,,'`
109  # Canonicalize.
110  curr_installdir=`cd "$curr_installdir" && pwd`
111}
112func_find_prefixes ()
113{
114  # Compute the original/current installation prefixes by stripping the
115  # trailing directories off the original/current installation directories.
116  orig_installprefix="$orig_installdir"
117  curr_installprefix="$curr_installdir"
118  while true; do
119    orig_last=`echo "$orig_installprefix" | sed -n -e 's,^.*/\([^/]*\)$,\1,p'`
120    curr_last=`echo "$curr_installprefix" | sed -n -e 's,^.*/\([^/]*\)$,\1,p'`
121    if test -z "$orig_last" || test -z "$curr_last"; then
122      break
123    fi
124    if test "$orig_last" != "$curr_last"; then
125      break
126    fi
127    orig_installprefix=`echo "$orig_installprefix" | sed -e 's,/[^/]*$,,'`
128    curr_installprefix=`echo "$curr_installprefix" | sed -e 's,/[^/]*$,,'`
129  done
130}
131if test "@RELOCATABLE@" = yes; then
132  exec_prefix="@exec_prefix@"
133  bindir="@bindir@"
134  orig_installdir="$bindir" # see Makefile.am's *_SCRIPTS variables
135  func_find_curr_installdir # determine curr_installdir
136  func_find_prefixes
137  # Relocate the directory variables that we use.
138  gettext_datadir=`echo "$gettext_datadir/" | sed -e "s%^${orig_installprefix}/%${curr_installprefix}/%" | sed -e 's,/$,,'`
139fi
140
141# func_trace_autoconf macro configure.ac
142# traces an Autoconf macro call and outputs the arguments to stdout,
143# using autom4te.
144func_trace_autoconf ()
145{
146  echo '\
147dnl replace macros which may abort autom4te with a no-op variant
148m4_pushdef([m4_assert])
149m4_pushdef([m4_fatal])
150m4_pushdef([m4_warn])
151m4_pushdef([m4_errprintn])
152m4_pushdef([m4_exit])
153m4_pushdef([m4_include])
154m4_pushdef([m4_esyscmd])
155' \
156  | "$AUTOM4TE" --no-cache --language=Autoconf-without-aclocal-m4 \
157    --trace="$1":\$% - "$2" 2>/dev/null
158}
159
160# func_trace_sed macro configure.ac
161# traces an Autoconf macro call and outputs the arguments to stdout,
162# using sed.
163func_trace_sed ()
164{
165  sed_extract_arguments='
166s,#.*$,,; s,^dnl .*$,,; s, dnl .*$,,;
167/'"$1"'(/ {
168  ta
169  :a
170    s/)/)/
171    tb
172    s/\\$//
173    N
174    ba
175  :b
176  s,^.*'"$1"'([[ ]*\([^]"$`\\)]*\).*$,\1,p
177}
178d'
179  sed -e "$sed_extract_arguments" "$2"
180}
181
182# func_usage
183# outputs to stdout the --help usage message.
184func_usage ()
185{
186  echo "\
187Usage: autopoint [OPTION]...
188
189Copies standard gettext infrastructure files into a source package.
190
191Options:
192      --help           print this help and exit
193      --version        print version information and exit
194  -f, --force          force overwriting of files that already exist
195  -n, --dry-run        print modifications but don't perform them"
196#  echo "\
197#  -V version           copy the infrastructure of the specified gettext version
198#                         (dangerous)"
199  echo "
200Report bugs in the bug tracker at <https://savannah.gnu.org/projects/gettext>
201or by email to <bug-gettext@gnu.org>."
202}
203
204# func_version
205# outputs to stdout the --version message.
206func_version ()
207{
208  echo "$progname (GNU $package) $version"
209  echo "Uses a versions archive in @ARCHIVE_FORMAT@ format."
210  echo "Copyright (C) 2002-2020 Free Software Foundation, Inc.
211License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>
212This is free software: you are free to change and redistribute it.
213There is NO WARRANTY, to the extent permitted by law."
214  echo "Written by" "Bruno Haible"
215}
216
217# func_fatal_error message
218# outputs to stderr a fatal error message, and terminates the program.
219func_fatal_error ()
220{
221  echo "autopoint: *** $1" 1>&2
222  echo "autopoint: *** Stop." 1>&2
223  exit 1
224}
225
226# Nuisances.
227(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
228
229# Unset more variables known to interfere with behavior of common tools.
230CLICOLOR_FORCE= GREP_OPTIONS=
231unset CLICOLOR_FORCE GREP_OPTIONS
232
233# Command-line option processing.
234# Removes the OPTIONS from the arguments. Sets the variables:
235# - force           yes if --force was given, empty otherwise
236# - ver             gettext version if -V was given, empty otherwise
237# - doit            false if --dry-run was given, : otherwise
238{
239  force=
240  ver=
241  doit=:
242
243  while test $# -gt 0; do
244    case "$1" in
245      -n | --dry-run | --dry-ru | --dry-r | --dry- | --dry | --dr | --d )
246        shift
247        doit=false ;;
248      -f | --force | --forc | --for | --fo | --f )
249        shift
250        force=yes ;;
251      --help | --hel | --he | --h )
252        func_usage; exit 0 ;;
253#      -V ) # Some people put a space between -V and the version number.
254#        shift
255#        if test $# = 0; then
256#          func_usage 1>&2
257#          exit 1
258#        fi
259#        ver=$1;
260#        shift ;;
261#      -V*) # Some people omit the space between -V and the version number.
262#        ver=`echo "X$1" | sed -e 's/^X-V//'`
263#        shift ;;
264      --version | --versio | --versi | --vers | --ver | --ve | --v )
265        func_version
266        exit 0 ;;
267      -- ) # Stop option prcessing
268        shift; break ;;
269      -* )
270        echo "autopoint: unknown option $1" 1>&2
271        echo "Try 'autopoint --help' for more information." 1>&2
272        exit 1 ;;
273      * )
274        break ;;
275    esac
276  done
277}
278
279# Command-line argument processing.
280# Analyzes the remaining arguments.
281{
282  if test $# -gt 0; then
283    func_usage 1>&2
284    exit 1
285  fi
286}
287
288srcdir=`pwd`
289# The current directory is now $srcdir.
290
291# Check integrity of package: A configure.in/ac must be present. Sets variable
292# - configure_in    name of configure.in/ac file.
293if test -f configure.in; then
294  configure_in=configure.in
295else
296  if test -f configure.ac; then
297    configure_in=configure.ac
298  else
299    # KDE specific convention: configure.in.in
300    if test -f configure.in.in; then
301      configure_in=configure.in.in
302    else
303      func_fatal_error "Missing configure.in or configure.ac, please cd to your package first."
304    fi
305  fi
306fi
307
308# Select the method for Autoconf macro tracing.  func_trace_autoconf
309# is more accurate than func_trace_sed, but it only works with
310# autoconf >= 2.69.
311if echo "AC_PREREQ([2.69])" \
312  | "$AUTOM4TE" --no-cache --language=Autoconf-without-aclocal-m4 - 2>&1; then
313  func_trace=func_trace_autoconf
314else
315  func_trace=func_trace_sed
316fi
317
318# func_version_prereq required_version version
319# compares the required version and the latest archive version.
320func_version_prereq ()
321{
322  req="$1"
323  ver="$2"
324  echo "m4_if(m4_version_compare([$ver], [$req]), [-1], [m4_exit([1])])" \
325    | "$AUTOM4TE" --language=M4sugar >/dev/null
326}
327
328# If AM_GNU_GETTEXT_REQUIRE_VERSION is used and archive_version is newer than
329# that, use archive_version.
330xreq=`func_trace_sed AM_GNU_GETTEXT_REQUIRE_VERSION "$configure_in"`
331
332# Need to use func_trace_sed instead of $func_trace, since
333# AM_GNU_GETTEXT_VERSION is not a standard Autoconf trace.
334xver=`func_trace_sed AM_GNU_GETTEXT_VERSION "$configure_in"`
335
336# Prefer AM_GNU_GETTEXT_REQUIRE_VERSION over AM_GNU_GETTEXT_VERSION if both are
337# specified.
338if test -n "$xreq" && test -n "$xver"; then
339  echo "autopoint: using AM_GNU_GETTEXT_REQUIRE_VERSION instead of AM_GNU_GETTEXT_VERSION"
340fi
341
342if test -n "$xreq"; then
343  if func_version_prereq "$xreq" "$archive_version"; then
344    ver="$archive_version"
345  else
346    func_fatal_error "gettext version $xreq or newer is required"
347  fi
348else
349  if test -z "$xver" && test -f intl/VERSION; then
350    xver=`cat intl/VERSION | LC_ALL=C sed -n -e 's/^.*gettext-\([-+_.0-9A-Za-z]*\).*$/\1/p'`
351  fi
352
353  # Check whether the -V option and the version number in configure.in match.
354  # At least one of the two must be given. If both are given, they must agree.
355
356  if test -n "$xver"; then
357    if test -n "$ver"; then
358      if test "X$ver" != "X$xver"; then
359        func_fatal_error "Version mismatch: specified -V $ver but the package uses gettext version $xver"
360      fi
361    else
362      ver="$xver"
363    fi
364  fi
365fi
366
367if test -z "$ver"; then
368  func_fatal_error "Missing version: please specify in $configure_in through a line 'AM_GNU_GETTEXT_VERSION(x.yy.zz)' the gettext version the package is using"
369fi
370
371# Check whether the version number is supported.
372case "$ver" in
373  0.10.35 | 0.10.36 | 0.10.37 | 0.10.38 | 0.10.39 | 0.10.40 | \
374  0.11 | 0.11.1 | 0.11.2 | 0.11.3 | 0.11.4 | 0.11.5 | \
375  0.12 | 0.12.1 | \
376  0.13 | 0.13.1 | \
377  0.14 | 0.14.1 | 0.14.2 | 0.14.3 | 0.14.4 | 0.14.5 | 0.14.6 | \
378  0.15 | \
379  0.16 | 0.16.1 | \
380  0.17 | \
381  0.18 | 0.18.1 | 0.18.2 | 0.18.3 | \
382  0.19 | 0.19.1 | 0.19.2 | 0.19.3 | 0.19.4 | 0.19.5 | 0.19.6 | 0.19.7 | 0.19.8 | \
383  0.20 | 0.20.2 | \
384  0.21 )
385    ;;
386  *)
387    func_fatal_error "The AM_GNU_GETTEXT_VERSION declaration in your $configure_in
388               file requires the infrastructure from gettext-$ver but this version
389               is older. Please upgrade to gettext-$ver or newer."
390    ;;
391esac
392
393# Check in which directory config.rpath, mkinstalldirs etc. belong.
394auxdir=`"$func_trace" AC_CONFIG_AUX_DIR "$configure_in"`
395if test -n "$auxdir"; then
396  auxdir="$auxdir/"
397fi
398
399# Check in which directory the *.m4 macros belong.
400macrodirs=`"$func_trace" AC_CONFIG_MACRO_DIR_TRACE "$configure_in"`
401if test -z "$macrodirs"; then
402  macrodirs=`"$func_trace" AC_CONFIG_MACRO_DIR "$configure_in"`
403fi
404for arg in $macrodirs; do
405  m4dir="$arg"
406  break
407done
408
409if test -z "$m4dir" && test -f Makefile.am; then
410  # A package using automake.
411  # Extract the macro directory name from Makefile.am.
412  aclocal_amflags=`grep '^ACLOCAL_AMFLAGS[ 	]*=' Makefile.am | sed -e 's/^ACLOCAL_AMFLAGS[ 	]*=\(.*\)$/\1/'`
413  m4dir_is_next=
414  for arg in $aclocal_amflags; do
415    if test -n "$m4dir_is_next"; then
416      m4dir="$arg"
417      break
418    else
419      if test "X$arg" = "X-I"; then
420        m4dir_is_next=yes
421      else
422        m4dir_is_next=
423      fi
424    fi
425  done
426fi
427
428if test -z "$m4dir"; then
429  m4dir=m4
430fi
431
432# Check whether to omit the intl/ directory.
433omitintl=
434# Need to use func_trace_sed instead of $func_trace, since
435# AM_GNU_GETTEXT is not a standard Autoconf trace.
436xargs=`func_trace_sed AM_GNU_GETTEXT "$configure_in"`
437save_IFS="$IFS"; IFS=:
438for arg in $xargs; do
439  if test 'external' = "$arg"; then
440    omitintl=yes
441    break
442  fi
443done
444IFS="$save_IFS"
445
446if test -z "$omitintl"; then
447  case "$ver" in
448    0.1[0-9] | 0.1[0-9].* ) ;;
449    *) func_fatal_error "AM_GNU_GETTEXT without 'external' argument is no longer supported in version $ver" ;;
450  esac
451fi
452
453# Check in which directory or directories the po/* infrastructure belongs.
454configfiles=`"$func_trace" AC_CONFIG_FILES "$configure_in"`
455# PO directories have a Makefile.in generated from Makefile.in.in.
456# Treat a directory as a PO directory if and only if it has a
457# POTFILES.in file. This allows packages to have multiple PO
458# directories under different names or in different locations.
459sed_remove_Makefile_in='s,/Makefile\.in$,,'
460podirs=`for f in $configfiles; do case "$f" in */Makefile.in) echo $f;; esac; done | sed -e "$sed_remove_Makefile_in"`
461if test -z "$podirs"; then
462  # If we cannot get the list of PO directories from configure.ac, assume the
463  # common default.
464  podirs="po"
465fi
466
467# Set up a temporary checkout directory.
468# Set variables
469# - work_dir        directory containing the temporary checkout
470work_dir=tmpwrk$$
471mkdir "$work_dir" || {
472  if test -d "$work_dir"; then
473    func_fatal_error "directory $work_dir already exists"
474  else
475    func_fatal_error "cannot create directory $work_dir"
476  fi
477}
478
479# We support three archive formats.
480#
481# Format | Size (KiB) for gettext-0.17 | Extra tools needed |
482# -------+-----------------------------+--------------------+
483#  dir   |            3000             |         --         |
484#  cvs   |             356             |         cvs        |
485#  git   |             484             |         git        |
486# -------+-----------------------------+--------------------+
487
488case "@ARCHIVE_FORMAT@" in
489  dir*)
490    # The archive of different versions is very large (unless xz compression is
491    # used), but using it does not require special tools.
492    case "@ARCHIVE_FORMAT@" in
493      dirgz) gzip -d -c < "$gettext_datadir/archive.dir.tar.gz" ;;
494      dirbz2) bzip2 -d -c < "$gettext_datadir/archive.dir.tar.bz2" ;;
495      dirxz) xz -d -c < "$gettext_datadir/archive.dir.tar.xz" ;;
496    esac \
497      | (cd "$work_dir" && tar xf - "gettext-$ver")
498    if test `find "$work_dir" -type f -print | wc -l` = 0; then
499      rm -rf "$work_dir"
500      func_fatal_error "infrastructure files for version $ver not found; this is autopoint from GNU $package $version"
501    fi
502    mv "$work_dir/gettext-$ver" "$work_dir/archive"
503    ;;
504
505  cvs)
506    # We distributed the many different versions of the files in a CVS
507    # repository. This guaranteed a good compression rate:
508    #
509    #   Including version    size in KB of
510    #                       "du autopoint-files/archive"
511    #      0.10.35                  240
512    #      0.10.36                  428
513    #      0.10.37                  436
514    #      0.10.38                  488
515    #      0.10.39                  500
516    #      0.10.40                  528
517    #      0.11                     720
518    #      0.11.1                   740
519    #      0.11.2                   748
520    #      0.11.3                   804
521    #      0.11.4                   864
522    #      0.11.5                   880
523    #      0.12                    1032
524    #      0.12.1                  1032
525    #      0.13                    1220
526    #      0.13.1                  1236
527    #      0.14                    1296
528    #      0.14.1                  1300
529    #      0.14.2                  1420
530    #      0.14.3                  1428
531    #      0.14.4                  1464
532    #      0.14.5                  1508
533    #      0.14.6                  1580
534    #      0.15                    1760
535    #      0.16                    1808
536    #      0.16.1                  1812
537    #      0.17                    2128
538    #      0.18                    2656
539    #
540    # The requirement that the user must have the CVS program available is not
541    # a severe restrictions, because most of the people who use autopoint are
542    # users of CVS.
543    #
544    # But the CVS format is now deprecated, because "cvs init" does not work in
545    # all circumstances
546    # (see <https://lists.gnu.org/archive/html/bug-cvs/2010-05/msg00003.html>)
547    # and we are not allowed to distribute the cvs infrastructure files
548    # ourselves
549    # (see <https://lists.gnu.org/archive/html/bug-cvs/2010-06/msg00011.html>).
550    #
551    # Check availability of the CVS program.
552    (cvs -v) >/dev/null 2>/dev/null || func_fatal_error "cvs program not found"
553
554    # Set up a temporary CVS repository.
555    # We need the temporary CVS repository because any checkout needs write
556    # access to the CVSROOT/history file, so it cannot be under $gettext_datadir.
557    # We need the temporary checkout directory because when --force was not
558    # given, we need to compare the existing files with the checked out ones.
559    # Set variables
560    # - cvs_dir         directory containing the temporary repository
561    cvs_dir=tmpcvs$$
562    # Use an umask of 077, to avoid attacks that work by overwriting files in
563    # the "$CVSROOT"/CVSROOT directory.
564    (umask 077 && mkdir "$cvs_dir") || {
565      if test -d "$cvs_dir"; then
566        func_fatal_error "directory $cvs_dir already exists"
567      else
568        func_fatal_error "cannot create directory $cvs_dir"
569      fi
570    }
571    CVSROOT="$srcdir/$cvs_dir"
572    unset CVS_CLIENT_LOG
573    unset CVS_CLIENT_PORT
574    unset CVS_IGNORE_REMOTE_ROOT
575    unset CVS_LOCAL_BRANCH_NUM
576    unset CVS_NOBASES
577    unset CVS_PASSFILE
578    unset CVS_PASSWORD
579    unset CVS_PROXY_PORT
580    unset CVS_RCMD_PORT
581    unset CVS_RSH
582    unset CVS_SERVER
583    unset CVS_SERVER_SLEEP
584    CVS_SIGN_COMMITS=
585    export CVS_SIGN_COMMITS
586    unset CVS_SSH
587    unset CVS_VERIFY_CHECKOUTS
588    unset CVS_VERIFY_TEMPLATE
589    unset CVSIGNORE
590    unset CVSREAD
591    unset CVSREADONLYFS
592    unset CVSUMASK
593    unset CVSWRAPPERS
594
595    # Need to pass -d "$CVSROOT", because there may be a CVS directory in the
596    # current directory.
597    cvs -d "$CVSROOT" init
598    gzip -d -c < "$gettext_datadir/archive.cvs.tar.gz" | (cd "$cvs_dir" && tar xf -)
599
600    cd "$work_dir"
601    cvsver=gettext-`echo "$ver" | sed -e 's/\./_/g'`
602    (cvs -d "$CVSROOT" checkout -r"$cvsver" archive > /dev/null) 2>&1 | grep -v '^cvs checkout: Updating'
603    find archive -name CVS -type d -print | xargs rm -rf
604    cd ..
605    rm -rf "$cvs_dir"
606    # Check that really all CVS directories are gone, otherwise we would overwrite
607    # the contents of the user's CVS directories.
608    if test `find $work_dir/archive -name CVS -type d -print | wc -l` != 0; then
609      rm -rf "$work_dir"
610      func_fatal_error "failed to remove all CVS subdirectories"
611    fi
612    if test `find $work_dir/archive -type f -print | wc -l` = 0; then
613      rm -rf "$work_dir"
614      func_fatal_error "infrastructure files for version $ver not found; this is autopoint from GNU $package $version"
615    fi
616    ;;
617
618  git)
619    # Check availability of the git program.
620    (git --version) >/dev/null 2>/dev/null || func_fatal_error "git program not found"
621    mkdir "$work_dir/archive"
622    gzip -d -c < "$gettext_datadir/archive.git.tar.gz" | (cd "$work_dir/archive" && tar xf -)
623    (unset GIT_CONFIG
624     unset XDG_CONFIG_HOME
625     unset HOME
626     GIT_CONFIG_NOSYSTEM=1; export GIT_CONFIG_NOSYSTEM
627     cd "$work_dir/archive" && git checkout -q "gettext-$ver"
628    ) || {
629      rm -rf "$work_dir"
630      func_fatal_error "infrastructure files for version $ver not found; this is autopoint from GNU $package $version"
631    }
632    (cd "$work_dir/archive" && rm -rf .git .gitignore)
633    ;;
634esac
635
636# func_destfile file
637# determines the destination file, relative to the package's top level
638# directory, for a given file name, relative to archive.
639# Sets variables
640# - destfile        relative destination file name, or
641#                   empty if the file shall be omitted
642# - sharedowner     yes if the file is not only owned by GNU gettext but may
643#                   be installed by automake or other tools, otherwise empty
644# - allpodirs       yes if the file is to be installed in every dir in $podirs
645func_destfile ()
646{
647  # There are five categories of files:
648  # ABOUT-NLS -> top level directory
649  # config.rpath mkinstalldirs -> $auxdir
650  # m4/* -> $m4dir/
651  # intl/* -> intl/
652  # po/* ->
653  sharedowner=
654  allpodirs=
655  case `echo "$1" | sed -e 's,[^/]*$,,'` in
656    "" )
657      case "$1" in
658        config.rpath ) destfile="$auxdir$1" ;;
659        mkinstalldirs ) destfile="$auxdir$1" sharedowner=yes ;;
660        * ) destfile="$1" ;;
661      esac
662      ;;
663    m4/ ) destfile=`echo "$1" | sed -e "s,^m4/,$m4dir/,"` ;;
664    intl/ ) if test -n "$omitintl"; then destfile=""; else destfile="$1"; fi ;;
665    po/ ) destfile=`echo "$1" | sed -e "s,^po/,,"` allpodirs=yes ;;
666    * ) destfile="$1" ;;
667  esac
668}
669
670# func_compare existingfile gettextfile
671# compares the existing file and the file from gettext, and decides whether the
672# existing file should be overwritten with the file from gettext. Returns 0 if
673# it should be overwritten, or 1 if it should be skipped.
674sed_extract_serial='s/^#.* serial \([^ ]*\).*/\1/p
6751q'
676func_compare ()
677{
678  if cmp -s "$1" "$2"; then
679    false
680  else
681    case "$2" in
682      *.m4)
683        # For interoperability with gnulib. gnulib often has newer versions of
684        # the *.m4 files than the latest gettext release. Don't overwrite a
685        # newer version from gnulib with an older version from the gettext
686        # release. The version can be retrieved from the first line, which
687        # looks like this:   # file.m4 serial NN ...
688        existing_serial=`sed -n -e "$sed_extract_serial" < "$1"`
689        gettext_serial=`sed -n -e "$sed_extract_serial" < "$2"`
690        if test -n "$existing_serial" && test -n "$gettext_serial" \
691           && test "$existing_serial" -ge "$gettext_serial" 2> /dev/null; then
692          false
693        else
694          true
695        fi
696        ;;
697      *)
698        true
699        ;;
700    esac
701  fi
702}
703
704# If some files have been locally modified and we have not been requested
705# to overwrite them, then bail out. This is better than leaving a source
706# package around where half of the files are locally modified and half are
707# original - too great risk of version mismatch.
708if test -z "$force"; then
709  mismatch=
710  func_tmpdir
711  mismatchfile="$tmp"/autopoint.diff
712  for file in `find "$work_dir/archive" -type f -print | sed -e "s,^$work_dir/archive/,," | LC_ALL=C sort`; do
713    func_destfile "$file"
714    if test -n "$destfile"; then
715      func_compare_to_destfile ()
716      {
717        finaldestfile="$1"
718        if test -f "$finaldestfile"; then
719          if func_compare "$finaldestfile" "$work_dir/archive/$file"; then
720            if test -n "$sharedowner"; then
721              echo "autopoint: warning: File $finaldestfile has been locally modified." 1>&2
722            else
723              echo "autopoint: File $finaldestfile has been locally modified." 1>&2
724              mismatch=yes
725              diff -c "$work_dir/archive/$file" "$finaldestfile" | sed -e "1s,$work_dir/archive/,," >> "$mismatchfile"
726            fi
727          fi
728        fi
729      }
730      if test -n "$allpodirs"; then
731        for dir in $podirs; do
732          func_compare_to_destfile "$dir/$destfile"
733        done
734      else
735        func_compare_to_destfile "$destfile"
736      fi
737    fi
738  done
739  if test -n "$mismatch"; then
740    rm -rf "$work_dir"
741    func_fatal_error "Some files have been locally modified. Not overwriting them because --force has not been specified. For your convenience, you find the local modifications in the file '$mismatchfile'."
742  fi
743  rm -rf "$tmp"
744fi
745
746# func_mkdir_for to
747# ensures the directory that would the given file exists.
748# 'to' is a relative pathname, relative to the current directory.
749func_mkdir_for ()
750{
751  base=`echo "$1" | sed -e 's,/[^/]*$,,'`
752  if test "X$base" != "X$1" && test -n "$base"; then
753    func_mkdir_for "$base"
754    # Recompute base. It was clobbered by the recursive call.
755    base=`echo "$1" | sed -e 's,/[^/]*$,,'`
756    test -d "$base" || { echo "Creating directory $base"; mkdir "$base"; }
757  fi
758}
759
760# func_copy from to
761# copies a file.
762# 'from' is a relative pathname, relative to the current directory.
763# 'to' is a relative pathname, relative to the current directory.
764func_copy ()
765{
766  if $doit; then
767    func_mkdir_for "$2"
768    rm -f "$2"
769    echo "Copying file $2"
770    cp "$1" "$2"
771  else
772    echo "Copy file $2"
773  fi
774}
775
776# func_backup to
777# makes a backup of a file that is about to be overwritten or replaced.
778# 'to' is a relative pathname, relative to the current directory.
779func_backup ()
780{
781  if $doit; then
782    if test -f "$1"; then
783      rm -f "$1~"
784      cp -p "$1" "$1~"
785    fi
786  fi
787}
788
789# Now copy the files.
790for file in `find "$work_dir/archive" -type f -print | sed -e "s,^$work_dir/archive/,," | LC_ALL=C sort`; do
791  func_destfile "$file"
792  if test -n "$destfile"; then
793    func_copy_to_destfile ()
794    {
795      finaldestfile="$1"
796      mustcopy=
797      if test -f "$finaldestfile"; then
798        if func_compare "$finaldestfile" "$work_dir/archive/$file"; then
799          if test -n "$force"; then
800            # Overwrite locally modified file.
801            mustcopy=yes
802          fi
803          # If --force is not specified, don't overwrite locally modified files
804          # for which GNU gettext is a shared owner.
805        fi
806      else
807        mustcopy=yes
808      fi
809      if test -n "$mustcopy"; then
810        func_backup "$finaldestfile"
811        func_copy "$work_dir/archive/$file" "$finaldestfile"
812      fi
813    }
814    if test -n "$allpodirs"; then
815      for dir in $podirs; do
816        func_copy_to_destfile "$dir/$destfile"
817      done
818    else
819      func_copy_to_destfile "$destfile"
820    fi
821  fi
822done
823
824# That's it.
825rm -rf "$work_dir"
826exit 0
827