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changeset 6745:aca74c06bca0

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Fix "gnulib-tool --dry-run --import" in a package that has no lib/ and no m4/ directory.
author Bruno Haible <bruno@clisp.org>
date Mon, 24 Apr 2006 11:30:00 +0000
parents 3d99d01160aa
children 6fd163815548
files ChangeLog gnulib-tool
diffstat 2 files changed, 96 insertions(+), 61 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2006-04-23  Bruno Haible  <bruno@clisp.org>
+
+	* gnulib-tool (func_usage): Fix --import description. Document --update.
+	(func_import): Create temporary file in a temporary directory, if
+	--dry-run is specified. Silence errors from 'grep' when there are no
+	m4 files in $m4dir.
+	(func_create_testdir): Silence errors from 'grep' when there are no
+	m4 files in $m4dir.
+	Reported by Karl Berry <karl@freefriends.org>.
+
 2006-04-18  Derek Price  <derek@ximbiot.com>
 	    Paul Eggert  <eggert@cs.ucla.edu>
 
--- a/gnulib-tool
+++ b/gnulib-tool
@@ -22,7 +22,7 @@
 
 progname=$0
 package=gnulib
-cvsdatestamp='$Date: 2006-02-13 15:40:25 $'
+cvsdatestamp='$Date: 2006-04-24 11:30:00 $'
 last_checkin_date=`echo "$cvsdatestamp" | sed -e 's,^\$[D]ate: ,,'`
 version=`echo "$last_checkin_date" | sed -e 's/ .*$//' -e 's,/,-,g'`
 
@@ -78,8 +78,10 @@
 Operation modes:
       --list                print the available module names
       --import              import the given modules into the current package;
-                              if no modules are specified, update the
-                              current package.
+                            if no modules are specified, update the current
+                            package from the current gnulib
+      --update              update the current package, restore files omitted
+                            from CVS
       --create-testdir      create a scratch package with the given modules
       --create-megatestdir  create a mega scratch package with the given modules
                             one by one and all together
@@ -1057,9 +1059,26 @@
     fi
   fi
 
-  # Copy files or make symbolic links. Remove obsolete files.
   func_tmpdir
   trap 'rm -rf "$tmp"' 0 1 2 3 15
+  # func_dest_tmpfilename file
+  # determines the name of a temporary file (file is relative to destdir).
+  # Sets variable:
+  #   - tmpfile       absolute filename of the temporary file
+  func_dest_tmpfilename ()
+  {
+    if $doit; then
+      # Put the new contents of $file in a file in the same directory (needed
+      # to guarantee that an 'mv' to "$destdir/$file" works).
+      tmpfile="$destdir/$1.tmp"
+    else
+      # Put the new contents of $file in a file in a temporary directory
+      # (because the directory of "$file" might not exist).
+      tmpfile="$tmp"/`basename "$1"`.tmp
+    fi
+  }
+
+  # Copy files or make symbolic links. Remove obsolete files.
   delimiter='	'
   for f in $old_files; do
     case "$f" in
@@ -1098,20 +1117,21 @@
   # Uses parameters f, g, already_present.
   func_add_or_update ()
   {
-    cp "$gnulib_dir/$f" "$destdir/$g.tmp" || func_fatal_error "failed"
+    func_dest_tmpfilename "$g"
+    cp "$gnulib_dir/$f" "$tmpfile" || func_fatal_error "failed"
     if test -n "$lgpl"; then
       # Update license.
       case "$f" in
         lib/*)
           sed -e 's/GNU General/GNU Lesser General/g' \
               -e 's/version 2\([ ,]\)/version 2.1\1/g' \
-            < "$gnulib_dir/$f" > "$destdir/$g.tmp" || func_fatal_error "failed"
+            < "$gnulib_dir/$f" > "$tmpfile" || func_fatal_error "failed"
           ;;
       esac
     fi
     if test -f "$destdir/$g"; then
       # The file already exists.
-      if cmp "$destdir/$g" "$destdir/$g.tmp" > /dev/null; then
+      if cmp "$destdir/$g" "$tmpfile" > /dev/null; then
         : # The file has not changed.
       else
         # Replace the file.
@@ -1122,10 +1142,10 @@
             echo "Replacing file $g (non-gnulib code backuped in ${g}~) !!"
           fi
           mv -f "$destdir/$g" "$destdir/${g}~" || func_fatal_error "failed"
-          if test -n "$symbolic" && cmp "$gnulib_dir/$f" "$destdir/$g.tmp" > /dev/null; then
+          if test -n "$symbolic" && cmp "$gnulib_dir/$f" "$tmpfile" > /dev/null; then
             func_ln_if_changed "$gnulib_dir/$f" "$destdir/$g"
           else
-            mv -f "$destdir/$g.tmp" "$destdir/${g}" || func_fatal_error "failed"
+            mv -f "$tmpfile" "$destdir/${g}" || func_fatal_error "failed"
           fi
         else
           if test -n "$already_present"; then
@@ -1141,16 +1161,16 @@
       # frequently that developers don't put autogenerated files into CVS.
       if $doit; then
         echo "Copying file $g"
-        if test -n "$symbolic" && cmp "$gnulib_dir/$f" "$destdir/$g.tmp" > /dev/null; then
+        if test -n "$symbolic" && cmp "$gnulib_dir/$f" "$tmpfile" > /dev/null; then
           func_ln_if_changed "$gnulib_dir/$f" "$destdir/$g"
         else
-          mv -f "$destdir/$g.tmp" "$destdir/${g}" || func_fatal_error "failed"
+          mv -f "$tmpfile" "$destdir/${g}" || func_fatal_error "failed"
         fi
       else
         echo "Copy file $g"
       fi
     fi
-    rm -f "$destdir/$g.tmp"
+    rm -f "$tmpfile"
   }
   # Then the files that are in new-files, but not in old-files:
   sed_take_last_column='s,^.*'"$delimiter"',,'
@@ -1177,14 +1197,6 @@
     esac
     func_add_or_update
   done
-  rm -rf "$tmp"
-  # Undo the effect of the previous 'trap' command. Some shellology:
-  # We cannot use "trap - 0 1 2 3 15", because Solaris sh would attempt to
-  # execute the command "-". "trap '' ..." is fine only for signal 0 (= normal
-  # exit); for the others we need to call 'exit' explicitly. The value of $? is
-  # 128 + signal number and is set before the trap-registered command is run.
-  trap '' 0
-  trap 'exit $?' 1 2 3 15
 
   # Command-line invocation printed in a comment in generated gnulib-cache.m4.
   actioncmd="gnulib-tool --import"
@@ -1206,31 +1218,33 @@
   actioncmd="$actioncmd `echo $specified_modules`"
 
   # Create lib/Makefile.am.
-  func_emit_lib_Makefile_am > "$destdir"/$sourcebase/Makefile.am.tmp
+  func_dest_tmpfilename $sourcebase/Makefile.am
+  func_emit_lib_Makefile_am > "$tmpfile"
   if test -f "$destdir"/$sourcebase/Makefile.am; then
-    if cmp "$destdir"/$sourcebase/Makefile.am "$destdir"/$sourcebase/Makefile.am.tmp > /dev/null; then
-      rm -f "$destdir"/$sourcebase/Makefile.am.tmp
+    if cmp "$destdir"/$sourcebase/Makefile.am "$tmpfile" > /dev/null; then
+      rm -f "$tmpfile"
     else
       if $doit; then
         echo "Updating $sourcebase/Makefile.am (backup in $sourcebase/Makefile.am~)"
         mv -f "$destdir"/$sourcebase/Makefile.am "$destdir"/$sourcebase/Makefile.am~
-        mv -f "$destdir"/$sourcebase/Makefile.am.tmp "$destdir"/$sourcebase/Makefile.am
+        mv -f "$tmpfile" "$destdir"/$sourcebase/Makefile.am
       else
         echo "Update $sourcebase/Makefile.am (backup in $sourcebase/Makefile.am~)"
-        rm -f "$destdir"/$sourcebase/Makefile.am.tmp
+        rm -f "$tmpfile"
       fi
     fi
   else
     if $doit; then
       echo "Creating $sourcebase/Makefile.am"
-      mv -f "$destdir"/$sourcebase/Makefile.am.tmp "$destdir"/$sourcebase/Makefile.am
+      mv -f "$tmpfile" "$destdir"/$sourcebase/Makefile.am
     else
       echo "Create $sourcebase/Makefile.am"
-      rm -f "$destdir"/$sourcebase/Makefile.am.tmp
+      rm -f "$tmpfile"
     fi
   fi
 
   # Create m4/gnulib-cache.m4.
+  func_dest_tmpfilename $m4base/gnulib-cache.m4
   (
     echo "# Copyright (C) 2004 Free Software Foundation, Inc."
     echo "# This file is free software, distributed under the terms of the GNU"
@@ -1260,37 +1274,38 @@
     test -z "$lgpl" || echo "gl_LGPL"
     test -z "$libtool" || echo "gl_LIBTOOL"
     echo "gl_MACRO_PREFIX([$macro_prefix])"
-  ) > "$destdir"/$m4base/gnulib-cache.m4.tmp
+  ) > "$tmpfile"
   if test -f "$destdir"/$m4base/gnulib-cache.m4; then
-    if cmp "$destdir"/$m4base/gnulib-cache.m4 "$destdir"/$m4base/gnulib-cache.m4.tmp > /dev/null; then
-      rm -f "$destdir"/$m4base/gnulib-cache.m4.tmp
+    if cmp "$destdir"/$m4base/gnulib-cache.m4 "$tmpfile" > /dev/null; then
+      rm -f "$tmpfile"
     else
       if $doit; then
         echo "Updating $m4base/gnulib-cache.m4 (backup in $m4base/gnulib-cache.m4~)"
         mv -f "$destdir"/$m4base/gnulib-cache.m4 "$destdir"/$m4base/gnulib-cache.m4~
-        mv -f "$destdir"/$m4base/gnulib-cache.m4.tmp "$destdir"/$m4base/gnulib-cache.m4
+        mv -f "$tmpfile" "$destdir"/$m4base/gnulib-cache.m4
       else
         echo "Update $m4base/gnulib-cache.m4 (backup in $m4base/gnulib-cache.m4~)"
         if false; then
-          cat "$destdir"/$m4base/gnulib-cache.m4.tmp
+          cat "$tmpfile"
           echo
           echo "# gnulib-cache.m4 ends here"
         fi
-        rm -f "$destdir"/$m4base/gnulib-cache.m4.tmp
+        rm -f "$tmpfile"
       fi
     fi
   else
     if $doit; then
       echo "Creating $m4base/gnulib-cache.m4"
-      mv -f "$destdir"/$m4base/gnulib-cache.m4.tmp "$destdir"/$m4base/gnulib-cache.m4
+      mv -f "$tmpfile" "$destdir"/$m4base/gnulib-cache.m4
     else
       echo "Create $m4base/gnulib-cache.m4"
-      cat "$destdir"/$m4base/gnulib-cache.m4.tmp
-      rm -f "$destdir"/$m4base/gnulib-cache.m4.tmp
+      cat "$tmpfile"
+      rm -f "$tmpfile"
     fi
   fi
 
   # Create m4/gnulib-comp.m4.
+  func_dest_tmpfilename $m4base/gnulib-comp.m4
   (
     echo "# Copyright (C) 2004 Free Software Foundation, Inc."
     echo "# This file is free software, distributed under the terms of the GNU"
@@ -1313,13 +1328,13 @@
     echo "AC_DEFUN([${macro_prefix}_EARLY],"
     echo "["
     echo "  AC_REQUIRE([AC_PROG_RANLIB])"
-    if grep AC_GNU_SOURCE "$destdir"/$m4base/*.m4 > /dev/null; then
+    if grep AC_GNU_SOURCE "$destdir"/$m4base/*.m4 >/dev/null 2>/dev/null; then
       echo "  AC_REQUIRE([AC_GNU_SOURCE])"
     fi
-    if grep gl_USE_SYSTEM_EXTENSIONS "$destdir"/$m4base/*.m4 > /dev/null; then
+    if grep gl_USE_SYSTEM_EXTENSIONS "$destdir"/$m4base/*.m4 >/dev/null 2>/dev/null; then
       echo "  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])"
     fi
-    if grep gl_LOCK "$destdir"/$m4base/*.m4 > /dev/null; then
+    if grep gl_LOCK "$destdir"/$m4base/*.m4 >/dev/null 2>/dev/null; then
       echo "  AC_REQUIRE([gl_LOCK])"
     fi
     echo "])"
@@ -1366,63 +1381,73 @@
     echo "AC_DEFUN([${macro_prefix}_FILE_LIST], ["
     echo "$files" | sed -e 's,^,  ,'
     echo "])"
-  ) > "$destdir"/$m4base/gnulib-comp.m4.tmp
+  ) > "$tmpfile"
   if test -f "$destdir"/$m4base/gnulib-comp.m4; then
-    if cmp "$destdir"/$m4base/gnulib-comp.m4 "$destdir"/$m4base/gnulib-comp.m4.tmp > /dev/null; then
-      rm -f "$destdir"/$m4base/gnulib-comp.m4.tmp
+    if cmp "$destdir"/$m4base/gnulib-comp.m4 "$tmpfile" > /dev/null; then
+      rm -f "$tmpfile"
     else
       if $doit; then
         echo "Updating $m4base/gnulib-comp.m4 (backup in $m4base/gnulib-comp.m4~)"
         mv -f "$destdir"/$m4base/gnulib-comp.m4 "$destdir"/$m4base/gnulib-comp.m4~
-        mv -f "$destdir"/$m4base/gnulib-comp.m4.tmp "$destdir"/$m4base/gnulib-comp.m4
+        mv -f "$tmpfile" "$destdir"/$m4base/gnulib-comp.m4
       else
         echo "Update $m4base/gnulib-comp.m4 (backup in $m4base/gnulib-comp.m4~)"
         if false; then
-          cat "$destdir"/$m4base/gnulib-comp.m4.tmp
+          cat "$tmpfile"
           echo
           echo "# gnulib-comp.m4 ends here"
         fi
-        rm -f "$destdir"/$m4base/gnulib-comp.m4.tmp
+        rm -f "$tmpfile"
       fi
     fi
   else
     if $doit; then
       echo "Creating $m4base/gnulib-comp.m4"
-      mv -f "$destdir"/$m4base/gnulib-comp.m4.tmp "$destdir"/$m4base/gnulib-comp.m4
+      mv -f "$tmpfile" "$destdir"/$m4base/gnulib-comp.m4
     else
       echo "Create $m4base/gnulib-comp.m4"
-      cat "$destdir"/$m4base/gnulib-comp.m4.tmp
-      rm -f "$destdir"/$m4base/gnulib-comp.m4.tmp
+      cat "$tmpfile"
+      rm -f "$tmpfile"
     fi
   fi
 
   if test -n "$inctests"; then
     # Create tests/Makefile.am.
-    func_emit_tests_Makefile_am > "$destdir"/$testsbase/Makefile.am.tmp
+    func_dest_tmpfilename $testsbase/Makefile.am
+    func_emit_tests_Makefile_am > "$tmpfile"
     if test -f "$destdir"/$testsbase/Makefile.am; then
-      if cmp "$destdir"/$testsbase/Makefile.am "$destdir"/$testsbase/Makefile.am.tmp > /dev/null; then
-        rm -f "$destdir"/$testsbase/Makefile.am.tmp
+      if cmp "$destdir"/$testsbase/Makefile.am "$tmpfile" > /dev/null; then
+        rm -f "$tmpfile"
       else
         if $doit; then
           echo "Updating $testsbase/Makefile.am (backup in $testsbase/Makefile.am~)"
           mv -f "$destdir"/$testsbase/Makefile.am "$destdir"/$testsbase/Makefile.am~
-          mv -f "$destdir"/$testsbase/Makefile.am.tmp "$destdir"/$testsbase/Makefile.am
+          mv -f "$tmpfile" "$destdir"/$testsbase/Makefile.am
         else
           echo "Update $testsbase/Makefile.am (backup in $testsbase/Makefile.am~)"
-          rm -f "$destdir"/$testsbase/Makefile.am.tmp
+          rm -f "$tmpfile"
         fi
       fi
     else
       if $doit; then
         echo "Creating $testsbase/Makefile.am"
-        mv -f "$destdir"/$testsbase/Makefile.am.tmp "$destdir"/$testsbase/Makefile.am
+        mv -f "$tmpfile" "$destdir"/$testsbase/Makefile.am
       else
         echo "Create $testsbase/Makefile.am"
-        rm -f "$destdir"/$testsbase/Makefile.am.tmp
+        rm -f "$tmpfile"
       fi
     fi
   fi
 
+  rm -rf "$tmp"
+  # Undo the effect of the previous 'trap' command. Some shellology:
+  # We cannot use "trap - 0 1 2 3 15", because Solaris sh would attempt to
+  # execute the command "-". "trap '' ..." is fine only for signal 0 (= normal
+  # exit); for the others we need to call 'exit' explicitly. The value of $? is
+  # 128 + signal number and is set before the trap-registered command is run.
+  trap '' 0
+  trap 'exit $?' 1 2 3 15
+
   echo "Finished."
   echo
   echo "You may need to add #include directives for the following .h files."
@@ -1542,15 +1567,15 @@
      echo "AC_PROG_MAKE_SET"
      echo "AC_PROG_RANLIB"
      echo
-     if grep AC_GNU_SOURCE "$testdir"/m4/*.m4 > /dev/null; then
+     if grep AC_GNU_SOURCE "$testdir"/m4/*.m4 >/dev/null 2>/dev/null; then
        echo "AC_GNU_SOURCE"
        echo
      fi
-     if grep gl_USE_SYSTEM_EXTENSIONS "$testdir"/m4/*.m4 > /dev/null; then
+     if grep gl_USE_SYSTEM_EXTENSIONS "$testdir"/m4/*.m4 >/dev/null 2>/dev/null; then
        echo "gl_USE_SYSTEM_EXTENSIONS"
        echo
      fi
-     if grep gl_LOCK "$testdir"/m4/*.m4 > /dev/null; then
+     if grep gl_LOCK "$testdir"/m4/*.m4 >/dev/null 2>/dev/null; then
        echo "gl_LOCK"
        echo
      fi
@@ -1623,15 +1648,15 @@
    echo "AC_PROG_MAKE_SET"
    echo "AC_PROG_RANLIB"
    echo
-   if grep AC_GNU_SOURCE "$testdir"/m4/*.m4 > /dev/null; then
+   if grep AC_GNU_SOURCE "$testdir"/m4/*.m4 >/dev/null 2>/dev/null; then
      echo "AC_GNU_SOURCE"
      echo
    fi
-   if grep gl_USE_SYSTEM_EXTENSIONS "$testdir"/m4/*.m4 > /dev/null; then
+   if grep gl_USE_SYSTEM_EXTENSIONS "$testdir"/m4/*.m4 >/dev/null 2>/dev/null; then
      echo "gl_USE_SYSTEM_EXTENSIONS"
      echo
    fi
-   if grep gl_LOCK "$testdir"/m4/*.m4 > /dev/null; then
+   if grep gl_LOCK "$testdir"/m4/*.m4 >/dev/null 2>/dev/null; then
      echo "gl_LOCK"
      echo
    fi