From 9906724714b8aed251548c1c07860f96f18e10c4 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Sun, 5 Apr 2009 21:48:01 +0200 Subject: [PATCH] New gnulib-tool option --copy-file. --- ChangeLog | 9 +++ gnulib-tool | 229 ++++++++++++++++++++++++++++++++++++++++++++---------------- 2 files changed, 178 insertions(+), 60 deletions(-) diff --git a/ChangeLog b/ChangeLog index 4be2c6594..1f5ef9e85 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2009-04-05 Bruno Haible + + * gnulib-tool: New option --copy-file. + (func_usage): Document it. + (func_dest_tmpfilename): Moved out of func_import. + (func_add_file, func_update_file): New functions, extracted from + func_import. + (func_import): Update. + 2009-04-05 Karl Berry * README: prominently mention gnulib-tool. diff --git a/gnulib-tool b/gnulib-tool index 68531a5e9..0b059e124 100755 --- a/gnulib-tool +++ b/gnulib-tool @@ -124,6 +124,7 @@ Usage: gnulib-tool --list gnulib-tool --extract-license module gnulib-tool --extract-maintainer module gnulib-tool --extract-tests-module module + gnulib-tool --copy-file file [destination] Operation modes: --list print the available module names @@ -152,6 +153,7 @@ Operation modes: under lib/ --extract-maintainer report the maintainer(s) inside gnulib --extract-tests-module report the unit test module, if it exists + --copy-file copy a file that is not part of any module General options: --dir=DIRECTORY Specify the target directory. @@ -897,6 +899,9 @@ fi --extract-* ) mode=`echo "X$1" | sed -e 's/^X--//'` shift ;; + --copy-file | --copy-fil | --copy-fi | --copy-f | --copy- | --copy | --cop | --co ) + mode=copy-file + shift ;; --dir ) shift if test $# = 0; then @@ -1795,6 +1800,108 @@ func_execute_command () fi } +# func_dest_tmpfilename file +# determines the name of a temporary file (file is relative to destdir). +# Input: +# - destdir target directory +# - doit : if actions shall be executed, false if only to be printed +# - tmp pathname of a temporary directory +# 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 +} + +# func_add_file +# copies a file from gnulib into the destination directory. The destination +# is known to not exist. +# Input: +# - destdir target directory +# - local_gnulib_dir from --local-dir +# - f the original file name +# - lookedup_file name of the merged (combined) file +# - lookedup_tmp true if it is located in the tmp directory, blank otherwise +# - g the rewritten file name +# - tmpfile absolute filename of the temporary file +# - doit : if actions shall be executed, false if only to be printed +# - symbolic true if files should be symlinked, copied otherwise +# - lsymbolic true if files from local_gnulib_dir should be symlinked, +# copied otherwise +func_add_file () +{ + if $doit; then + echo "Copying file $g" + if { test -n "$symbolic" \ + || { test -n "$lsymbolic" \ + && test "$lookedup_file" = "$local_gnulib_dir/$f"; }; } \ + && test -z "$lookedup_tmp" \ + && cmp "$lookedup_file" "$tmpfile" > /dev/null; then + func_ln_if_changed "$lookedup_file" "$destdir/$g" + else + mv -f "$tmpfile" "$destdir/${g}" || func_fatal_error "failed" + fi + else + echo "Copy file $g" + fi +} + +# func_update_file +# copies a file from gnulib into the destination directory. The destination +# is known to exist. +# Input: +# - destdir target directory +# - local_gnulib_dir from --local-dir +# - f the original file name +# - lookedup_file name of the merged (combined) file +# - lookedup_tmp true if it is located in the tmp directory, blank otherwise +# - g the rewritten file name +# - tmpfile absolute filename of the temporary file +# - doit : if actions shall be executed, false if only to be printed +# - symbolic true if files should be symlinked, copied otherwise +# - lsymbolic true if files from local_gnulib_dir should be symlinked, +# copied otherwise +# - already_present nonempty if the file should already exist, empty otherwise +func_update_file () +{ + if cmp "$destdir/$g" "$tmpfile" > /dev/null; then + : # The file has not changed. + else + # Replace the file. + if $doit; then + if test -n "$already_present"; then + echo "Updating file $g (backup in ${g}~)" + else + echo "Replacing file $g (non-gnulib code backed up in ${g}~) !!" + fi + mv -f "$destdir/$g" "$destdir/${g}~" || func_fatal_error "failed" + if { test -n "$symbolic" \ + || { test -n "$lsymbolic" \ + && test "$lookedup_file" = "$local_gnulib_dir/$f"; }; } \ + && test -z "$lookedup_tmp" \ + && cmp "$lookedup_file" "$tmpfile" > /dev/null; then + func_ln_if_changed "$lookedup_file" "$destdir/$g" + else + mv -f "$tmpfile" "$destdir/${g}" || func_fatal_error "failed" + fi + else + if test -n "$already_present"; then + echo "Update file $g (backup in ${g}~)" + else + echo "Replace file $g (non-gnulib code backed up in ${g}~) !!" + fi + fi + fi +} + # func_emit_lib_Makefile_am # emits the contents of library makefile to standard output. # Input: @@ -2850,23 +2957,6 @@ s,^\(.................................................[^ ]*\) *, exec 0<&5 5<&- } - # 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. added_files='' removed_files='' @@ -2901,7 +2991,8 @@ s,^\(.................................................[^ ]*\) *, # Uses parameters # - f the original file name # - g the rewritten file name - # - already_present nonempty if the file already exists, empty otherwise + # - already_present nonempty if the file should already exist, empty + # otherwise func_add_or_update () { of="$f" @@ -2929,52 +3020,12 @@ s,^\(.................................................[^ ]*\) *, fi if test -f "$destdir/$g"; then # The file already exists. - if cmp "$destdir/$g" "$tmpfile" > /dev/null; then - : # The file has not changed. - else - # Replace the file. - if $doit; then - if test -n "$already_present"; then - echo "Updating file $g (backup in ${g}~)" - else - echo "Replacing file $g (non-gnulib code backed up in ${g}~) !!" - fi - mv -f "$destdir/$g" "$destdir/${g}~" || func_fatal_error "failed" - if { test -n "$symbolic" \ - || { test -n "$lsymbolic" \ - && test "$lookedup_file" = "$local_gnulib_dir/$f"; }; } \ - && test -z "$lookedup_tmp" \ - && cmp "$lookedup_file" "$tmpfile" > /dev/null; then - func_ln_if_changed "$lookedup_file" "$destdir/$g" - else - mv -f "$tmpfile" "$destdir/${g}" || func_fatal_error "failed" - fi - else - if test -n "$already_present"; then - echo "Update file $g (backup in ${g}~)" - else - echo "Replace file $g (non-gnulib code backed up in ${g}~) !!" - fi - fi - fi + func_update_file else # Install the file. # Don't protest if the file should be there but isn't: it happens # frequently that developers don't put autogenerated files into CVS. - if $doit; then - echo "Copying file $g" - if { test -n "$symbolic" \ - || { test -n "$lsymbolic" \ - && test "$lookedup_file" = "$local_gnulib_dir/$f"; }; } \ - && test -z "$lookedup_tmp" \ - && cmp "$lookedup_file" "$tmpfile" > /dev/null; then - func_ln_if_changed "$lookedup_file" "$destdir/$g" - else - mv -f "$tmpfile" "$destdir/${g}" || func_fatal_error "failed" - fi - else - echo "Copy file $g" - fi + func_add_file func_append added_files "$g$nl" fi rm -f "$tmpfile" @@ -4634,6 +4685,64 @@ case $mode in done ;; + copy-file ) + # Verify the number of arguments. + if test $# -lt 1 || test $# -gt 2; then + func_fatal_error "invalid number of arguments for --$mode" + fi + + # The first argument is the file to be copied. + f="$1" + # Verify the file exists. + func_lookup_file "$f" + + # The second argument is the destination; either a directory ot a file. + # It defaults to the current directory. + dest="$2" + test -n "$dest" || dest='.' + test -n "$sourcebase" || sourcebase="lib" + test -n "$m4base" || m4base="m4" + test -n "$docbase" || docbase="doc" + test -n "$testsbase" || testsbase="tests" + test -n "$auxdir" || auxdir="build-aux" + sed_rewrite_files="\ + s,^build-aux/,$auxdir/, + s,^doc/,$docbase/, + s,^lib/,$sourcebase/, + s,^m4/,$m4base/, + s,^tests/,$testsbase/, + s,^top/,," + if test -d "$dest"; then + destdir="$dest" + g=`echo "$f" | sed -e "$sed_rewrite_files"` + else + destdir=`dirname "$dest"` + g=`basename "$dest"` + fi + + # Create the directory for destfile. + d=`dirname "$destdir/$g"` + if $doit; then + if test -n "$d" && test ! -d "$d"; then + mkdir -p "$d" || func_fatal_error "failed" + fi + fi + # Copy the file. + func_dest_tmpfilename "$g" + cp "$lookedup_file" "$tmpfile" || func_fatal_error "failed" + already_present=true + if test -f "$destdir/$g"; then + # The file already exists. + func_update_file + else + # Install the file. + # Don't protest if the file should be there but isn't: it happens + # frequently that developers don't put autogenerated files into CVS. + func_add_file + fi + rm -f "$tmpfile" + ;; + * ) func_fatal_error "unknown operation mode --$mode" ;; esac -- 2.11.0