--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2011-01-03  Jim Meyering  <meyering@redhat.com>
 
+	git-version-gen: convert leading TABs to spaces
+	* build-aux/git-version-gen: Expand leading TABs.
+
 	git-version-gen: handle failed "git rev-list"
 	* build-aux/git-version-gen: Rather than leaking a "fatal" error
 	from git and proceeding as if it had succeeded but printed no SHA1

--- a/build-aux/git-version-gen
+++ b/build-aux/git-version-gen
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Print a version string.
-scriptversion=2011-01-03.18; # UTC
+scriptversion=2011-01-03.19; # UTC
 
 # Copyright (C) 2007-2011 Free Software Foundation, Inc.
 #
@@ -87,12 +87,12 @@
 then
     v=`cat $tarball_version_file` || v=
     case $v in
-	*$nl*) v= ;; # reject multi-line output
-	[0-9]*) ;;
-	*) v= ;;
+        *$nl*) v= ;; # reject multi-line output
+        [0-9]*) ;;
+        *) v= ;;
     esac
     test -z "$v" \
-	&& echo "$0: WARNING: $tarball_version_file is missing or damaged" 1>&2
+        && echo "$0: WARNING: $tarball_version_file is missing or damaged" 1>&2
 fi
 
 if test -n "$v"
@@ -103,11 +103,11 @@
 # derive a version string.
 elif test "`git log -1 --pretty=format:x . 2>&1`" = x \
     && v=`git describe --abbrev=4 --match='v*' HEAD 2>/dev/null \
-	  || git describe --abbrev=4 HEAD 2>/dev/null` \
+          || git describe --abbrev=4 HEAD 2>/dev/null` \
     && v=`printf '%s\n' "$v" | sed "$tag_sed_script"` \
     && case $v in
-	 v[0-9]*) ;;
-	 *) (exit 1) ;;
+         v[0-9]*) ;;
+         *) (exit 1) ;;
        esac
 then
     # Is this a new git that lists number of commits since the last
@@ -115,20 +115,20 @@
     #   Newer: v6.10-77-g0f8faeb
     #   Older: v6.10-g0f8faeb
     case $v in
-	*-*-*) : git describe is okay three part flavor ;;
-	*-*)
-	    : git describe is older two part flavor
-	    # Recreate the number of commits and rewrite such that the
-	    # result is the same as if we were using the newer version
-	    # of git describe.
-	    vtag=`echo "$v" | sed 's/-.*//'`
-	    commit_list=`git rev-list "$vtag"..HEAD 2>/dev/null` \
-		|| { commit_list=failed;
-		     echo "$0: WARNING: git rev-list failed" 1>&2; }
-	    numcommits=`echo "$commit_list" | wc -l`
-	    v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`;
-	    test "$commit_list" = failed && v=UNKNOWN
-	    ;;
+        *-*-*) : git describe is okay three part flavor ;;
+        *-*)
+            : git describe is older two part flavor
+            # Recreate the number of commits and rewrite such that the
+            # result is the same as if we were using the newer version
+            # of git describe.
+            vtag=`echo "$v" | sed 's/-.*//'`
+            commit_list=`git rev-list "$vtag"..HEAD 2>/dev/null` \
+                || { commit_list=failed;
+                     echo "$0: WARNING: git rev-list failed" 1>&2; }
+            numcommits=`echo "$commit_list" | wc -l`
+            v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`;
+            test "$commit_list" = failed && v=UNKNOWN
+            ;;
     esac
 
     # Change the first '-' to a '.', so version-comparing tools work properly.
@@ -147,10 +147,10 @@
 case "$dirty" in
     '') ;;
     *) # Append the suffix only if there isn't one already.
-	case $v in
-	  *-dirty) ;;
-	  *) v="$v-dirty" ;;
-	esac ;;
+        case $v in
+          *-dirty) ;;
+          *) v="$v-dirty" ;;
+        esac ;;
 esac
 
 # Omit the trailing newline, so that m4_esyscmd can use the result directly.