bootstrap: minor portability fixes

* build-aux/bootstrap (me): Use $me instead of $0 in functions.
(usage): Omit leading capital and trailing . on help phrases, per
GNU Coding Standards.
(check_versions, top level): Prefix messages with script name.

Signed-off-by: Eric Blake <eblake@redhat.com>

diff --git a/ChangeLog b/ChangeLog
index 1e78419acce4f199675bc3eaf1861d5021b5d0c2..8d0b2205b026ae400f85d569ed02ef4f413db5b2 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2011-01-21  Eric Blake  <eblake@redhat.com>
+
+       bootstrap: minor portability fixes
+       * build-aux/bootstrap (me): Use $me instead of $0 in functions.
+       (usage): Omit leading capital and trailing . on help phrases, per
+       GNU Coding Standards.
+       (check_versions, top level): Prefix messages with script name.
+

 2011-01-21  Benjamin Lindner  <bjmldn@gmail.com>  (tiny change)
 
        bootstrap: support --no-git option
 2011-01-21  Benjamin Lindner  <bjmldn@gmail.com>  (tiny change)
 
        bootstrap: support --no-git option

diff --git a/build-aux/bootstrap b/build-aux/bootstrap
index d2611a049229c90e0548a59bba2334a857494ebb..e9ec11ea4367f4d934783617ff5b1f532c657b48 100755 (executable)
--- a/build-aux/bootstrap
+++ b/build-aux/bootstrap
@@ -42,32 +42,32 @@ local_gl_dir=gl
 bt='._bootmp'
 bt_regex=`echo "$bt"| sed 's/\./[.]/g'`
 bt2=${bt}2
 bt='._bootmp'
 bt_regex=`echo "$bt"| sed 's/\./[.]/g'`
 bt2=${bt}2

+me=$0

 
 usage() {
   cat <<EOF
 
 usage() {
   cat <<EOF

-Usage: $0 [OPTION]...
+Usage: $me [OPTION]...

 Bootstrap this package from the checked-out sources.
 
 Options:
 Bootstrap this package from the checked-out sources.
 
 Options:

- --gnulib-srcdir=DIRNAME  Specify the local directory where gnulib
+ --gnulib-srcdir=DIRNAME  specify the local directory where gnulib

                           sources reside.  Use this if you already
                           have gnulib sources on your machine, and
                           do not want to waste your bandwidth downloading
                           sources reside.  Use this if you already
                           have gnulib sources on your machine, and
                           do not want to waste your bandwidth downloading

-                          them again.  Defaults to \$GNULIB_SRCDIR.
- --bootstrap-sync         If this bootstrap script is not identical to
+                          them again.  Defaults to \$GNULIB_SRCDIR
+ --bootstrap-sync         if this bootstrap script is not identical to

                           the version in the local gnulib sources,
                           update this script, and then restart it with
                           the version in the local gnulib sources,
                           update this script, and then restart it with

-                          /bin/sh or the shell \$CONFIG_SHELL if
-                          defined.
- --no-bootstrap-sync      Do not check whether bootstrap is out of sync.
- --copy                   Copy files instead of creating symbolic links.
- --force                  Attempt to bootstrap even if the sources seem
-                          not to have been checked out.
- --no-git                 Do not use git to update gnulib.  Requires that
-                          --gnulib-srcdir point to a correct gnulib snapshot.
- --skip-po                Do not download po files.
-
-If the file $0.conf exists in the same directory as this script, its
+                          /bin/sh or the shell \$CONFIG_SHELL
+ --no-bootstrap-sync      do not check whether bootstrap is out of sync
+ --copy                   copy files instead of creating symbolic links
+ --force                  attempt to bootstrap even if the sources seem
+                          not to have been checked out
+ --no-git                 do not use git to update gnulib.  Requires that
+                          --gnulib-srcdir point to a correct gnulib snapshot
+ --skip-po                do not download po files
+
+If the file $me.conf exists in the same directory as this script, its

 contents are read as shell variables to configure the bootstrap.
 
 For build prerequisites, environment variables like \$AUTOCONF and \$AMTAR
 contents are read as shell variables to configure the bootstrap.
 
 For build prerequisites, environment variables like \$AUTOCONF and \$AMTAR


@@ -207,11 +207,11 @@ find_tool ()
     find_tool_error_prefix="\$$find_tool_envvar: "
   fi
   if test x"$find_tool_res" = x; then
     find_tool_error_prefix="\$$find_tool_envvar: "
   fi
   if test x"$find_tool_res" = x; then

-    echo >&2 "$0: one of these is required: $find_tool_names"
+    echo >&2 "$me: one of these is required: $find_tool_names"

     exit 1
   fi
   ($find_tool_res --version </dev/null) >/dev/null 2>&1 || {
     exit 1
   fi
   ($find_tool_res --version </dev/null) >/dev/null 2>&1 || {

-    echo >&2 "$0: ${find_tool_error_prefix}cannot run $find_tool_res --version"
+    echo >&2 "$me: ${find_tool_error_prefix}cannot run $find_tool_res --version"

     exit 1
   }
   eval "$find_tool_envvar=\$find_tool_res"
     exit 1
   }
   eval "$find_tool_envvar=\$find_tool_res"


@@ -408,12 +408,12 @@ check_versions() {
     eval "app=\${$appvar-$app}"
     inst_ver=$(get_version $app)
     if [ ! "$inst_ver" ]; then
     eval "app=\${$appvar-$app}"
     inst_ver=$(get_version $app)
     if [ ! "$inst_ver" ]; then

-      echo "Error: '$app' not found" >&2
+      echo "$me: Error: '$app' not found" >&2

       ret=1
     elif [ ! "$req_ver" = "-" ]; then
       latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2)
       if [ ! "$latest_ver" = "$inst_ver" ]; then
       ret=1
     elif [ ! "$req_ver" = "-" ]; then
       latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2)
       if [ ! "$latest_ver" = "$inst_ver" ]; then

-        echo "Error: '$app' version == $inst_ver is too old" >&2
+        echo "$me: Error: '$app' version == $inst_ver is too old" >&2

         echo "       '$app' version >= $req_ver is required" >&2
         ret=1
       fi
         echo "       '$app' version >= $req_ver is required" >&2
         ret=1
       fi


@@ -446,9 +446,9 @@ fi
 if ! printf "$buildreq" | check_versions; then
   echo >&2
   if test -f README-prereq; then
 if ! printf "$buildreq" | check_versions; then
   echo >&2
   if test -f README-prereq; then

-    echo "See README-prereq for how to get the prerequisite programs" >&2
+    echo "$0: See README-prereq for how to get the prerequisite programs" >&2

   else
   else

-    echo "Please install the prerequisite programs" >&2
+    echo "$0: Please install the prerequisite programs" >&2

   fi
   exit 1
 fi
   fi
   exit 1
 fi


@@ -460,11 +460,11 @@ if test -d .git && (git --version) >/dev/null 2>/dev/null ; then
   if git config merge.merge-changelog.driver >/dev/null ; then
     :
   elif (git-merge-changelog --version) >/dev/null 2>/dev/null ; then
   if git config merge.merge-changelog.driver >/dev/null ; then
     :
   elif (git-merge-changelog --version) >/dev/null 2>/dev/null ; then

-    echo "initializing git-merge-changelog driver"
+    echo "$0: initializing git-merge-changelog driver"

     git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver'
     git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B'
   else
     git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver'
     git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B'
   else

-    echo "consider installing git-merge-changelog from gnulib"
+    echo "$0: consider installing git-merge-changelog from gnulib"

   fi
 fi
 
   fi
 fi
 


@@ -551,7 +551,7 @@ gnulib_tool=$GNULIB_SRCDIR/gnulib-tool
 download_po_files() {
   subdir=$1
   domain=$2
 download_po_files() {
   subdir=$1
   domain=$2

-  echo "$0: getting translations into $subdir for $domain..."
+  echo "$me: getting translations into $subdir for $domain..."

   cmd=`printf "$po_download_command_format" "$domain" "$subdir"`
   eval "$cmd"
 }
   cmd=`printf "$po_download_command_format" "$domain" "$subdir"`
   eval "$cmd"
 }


@@ -585,7 +585,7 @@ update_po_files() {
         ! test -f "$po_dir/$po.po" ||
         ! $SHA1SUM -c --status "$cksum_file" \
             < "$new_po" > /dev/null; then
         ! test -f "$po_dir/$po.po" ||
         ! $SHA1SUM -c --status "$cksum_file" \
             < "$new_po" > /dev/null; then

-      echo "updated $po_dir/$po.po..."
+      echo "$me: updated $po_dir/$po.po..."

       cp "$new_po" "$po_dir/$po.po" \
           && $SHA1SUM < "$new_po" > "$cksum_file"
     fi
       cp "$new_po" "$po_dir/$po.po" \
           && $SHA1SUM < "$new_po" > "$cksum_file"
     fi


@@ -630,13 +630,13 @@ symlink_to_dir()
     if $copy; then
       {
         test ! -h "$dst" || {
     if $copy; then
       {
         test ! -h "$dst" || {

-          echo "$0: rm -f $dst" &&
+          echo "$me: rm -f $dst" &&

           rm -f "$dst"
         }
       } &&
       test -f "$dst" &&
       cmp -s "$src" "$dst" || {
           rm -f "$dst"
         }
       } &&
       test -f "$dst" &&
       cmp -s "$src" "$dst" || {

-        echo "$0: cp -fp $src $dst" &&
+        echo "$me: cp -fp $src $dst" &&

         cp -fp "$src" "$dst"
       }
     else
         cp -fp "$src" "$dst"
       }
     else


@@ -650,7 +650,7 @@ symlink_to_dir()
         *)
           case /$dst/ in
           *//* | */../* | */./* | /*/*/*/*/*/)
         *)
           case /$dst/ in
           *//* | */../* | */./* | /*/*/*/*/*/)

-             echo >&2 "$0: invalid symlink calculation: $src -> $dst"
+             echo >&2 "$me: invalid symlink calculation: $src -> $dst"

              exit 1;;
           /*/*/*/*/)   dot_dots=../../../;;
           /*/*/*/)     dot_dots=../../;;
              exit 1;;
           /*/*/*/*/)   dot_dots=../../../;;
           /*/*/*/)     dot_dots=../../;;


@@ -658,7 +658,7 @@ symlink_to_dir()
           esac;;
         esac
 
           esac;;
         esac
 

-        echo "$0: ln -fs $dot_dots$src $dst" &&
+        echo "$me: ln -fs $dot_dots$src $dst" &&

         ln -fs "$dot_dots$src" "$dst"
       }
     fi
         ln -fs "$dot_dots$src" "$dst"
       }
     fi


@@ -691,7 +691,7 @@ cp_mark_as_generated()
       cmp -s "$cp_src" "$cp_dst" || {
         # Copy the file first to get proper permissions if it
         # doesn't already exist.  Then overwrite the copy.
       cmp -s "$cp_src" "$cp_dst" || {
         # Copy the file first to get proper permissions if it
         # doesn't already exist.  Then overwrite the copy.

-        echo "$0: cp -f $cp_src $cp_dst" &&
+        echo "$me: cp -f $cp_src $cp_dst" &&

         rm -f "$cp_dst" &&
         cp "$cp_src" "$cp_dst-t" &&
         sed "s!$bt_regex/!!g" "$cp_src" > "$cp_dst-t" &&
         rm -f "$cp_dst" &&
         cp "$cp_src" "$cp_dst-t" &&
         sed "s!$bt_regex/!!g" "$cp_src" > "$cp_dst-t" &&


@@ -709,7 +709,7 @@ cp_mark_as_generated()
       if cmp -s "$cp_dst-t" "$cp_dst"; then
         rm -f "$cp_dst-t"
       else
       if cmp -s "$cp_dst-t" "$cp_dst"; then
         rm -f "$cp_dst-t"
       else

-        echo "$0: cp $cp_src $cp_dst # with edits" &&
+        echo "$me: cp $cp_src $cp_dst # with edits" &&

         mv -f "$cp_dst-t" "$cp_dst"
       fi
     fi
         mv -f "$cp_dst-t" "$cp_dst"
       fi
     fi


@@ -728,7 +728,7 @@ version_controlled_file() {
   elif test -d .svn; then
     svn log -r HEAD "$dir/$file" > /dev/null 2>&1 && found=yes
   else
   elif test -d .svn; then
     svn log -r HEAD "$dir/$file" > /dev/null 2>&1 && found=yes
   else

-    echo "$0: no version control for $dir/$file?" >&2
+    echo "$me: no version control for $dir/$file?" >&2

   fi
   test $found = yes
 }
   fi
   test $found = yes
 }


@@ -752,18 +752,18 @@ slurp() {
         remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g"
         sed "$remove_intl" $1/$dir/$file |
         cmp - $dir/$gnulib_mk > /dev/null || {
         remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g"
         sed "$remove_intl" $1/$dir/$file |
         cmp - $dir/$gnulib_mk > /dev/null || {

-          echo "$0: Copying $1/$dir/$file to $dir/$gnulib_mk ..." &&
+          echo "$me: Copying $1/$dir/$file to $dir/$gnulib_mk ..." &&

           rm -f $dir/$gnulib_mk &&
           sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk &&
           gnulib_mk_hook $dir/$gnulib_mk
         }
       elif { test "${2+set}" = set && test -r $2/$dir/$file; } ||
            version_controlled_file $dir $file; then
           rm -f $dir/$gnulib_mk &&
           sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk &&
           gnulib_mk_hook $dir/$gnulib_mk
         }
       elif { test "${2+set}" = set && test -r $2/$dir/$file; } ||
            version_controlled_file $dir $file; then

-        echo "$0: $dir/$file overrides $1/$dir/$file"
+        echo "$me: $dir/$file overrides $1/$dir/$file"

       else
         copied=$copied$sep$file; sep=$nl
         if test $file = gettext.m4; then
       else
         copied=$copied$sep$file; sep=$nl
         if test $file = gettext.m4; then

-          echo "$0: patching m4/gettext.m4 to remove need for intl/* ..."
+          echo "$me: patching m4/gettext.m4 to remove need for intl/* ..."

           rm -f $dir/$file
           sed '
             /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\
           rm -f $dir/$file
           sed '
             /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\