Replace update_version_svn with update_version_git.

This patch replaces the update_version_svn script, that updates the
DATESTAMP files from cron, with update_version_git.

	* update_version_git: New file.
	* update_version:svn: Remove.
	* crontab: Use update_version_git.

maintainer-scripts/ChangeLog

+2020-01-13  Joseph Myers  <joseph@codesourcery.com>
+
+	* update_version_git: New file.
+	* update_version:svn: Remove.
+	* crontab: Use update_version_git.
+
 2019-11-20  Janne Blomqvist  <jb@gcc.gnu.org>
 
 	* gcc_release: Use https for gcc.gnu.org.

maintainer-scripts/crontab

-16  0 * * * sh /home/gccadmin/scripts/update_version_svn
+16  0 * * * sh /home/gccadmin/scripts/update_version_git
 50  0 * * * sh /home/gccadmin/scripts/update_web_docs_svn
 55  0 * * * sh /home/gccadmin/scripts/update_web_docs_libstdcxx_svn
 32 22 * * 5 sh /home/gccadmin/scripts/gcc_release -s 8:branches/gcc-8-branch -l -d /sourceware/snapshot-tmp/gcc all

maintainer-scripts/update_version_svn → maintainer-scripts/update_version_git

 #!/bin/sh
 #
 # Update the current version date in all files in the tree containing
-# it.  Consider all release branches except those matching the regular
-# expression in $IGNORE_BRANCHES, and also consider those branches listed
-# in the space separated list in $ADD_BRANCHES.
+# it.  Consider all single-component-version release branches except
+# those matching the regular expression in $IGNORE_BRANCHES, and also
+# consider those branches listed in the space separated list in
+# $ADD_BRANCHES.
 
-SVNROOT=${SVNROOT:-"file:///svn/gcc"}
-IGNORE_BRANCHES='gcc-(2_95|3_0|3_1|3_2|3_3|3_4|4_0|4_1|4_2|4_3|4_4|4_5|4_6|4_7|4_8|4_9|5|6|7)-branch'
-ADD_BRANCHES='HEAD'
+GITROOT=${GITROOT:-"/git/gcc.git"}
+IGNORE_BRANCHES='releases/gcc-(.*\..*|5|6|7)'
+ADD_BRANCHES='master'
 
 # Run this from /tmp.
-export SVNROOT
-/bin/rm -rf /tmp/$$
-/bin/mkdir /tmp/$$
-cd /tmp/$$
+export GITROOT
+BASEDIR=/tmp/$$
+/bin/rm -rf "$BASEDIR"
+/bin/mkdir "$BASEDIR"
+cd "$BASEDIR"
 
-SVN=${SVN:-/usr/bin/svn}
+GIT=${GIT:-/usr/local/bin/git}
 
 # Compute the branches which we should update.
-BRANCHES=`$SVN ls $SVNROOT/branches \
-	  | sed -e 's/\///' \
-          | egrep 'gcc-[0-9]+(_[0-9]+)?-branch$' \
+BRANCHES=`(cd $GITROOT \
+	   && ${GIT} for-each-ref --format='%(refname)' \
+		     'refs/heads/releases/gcc-*') \
+	  | sed -e 's/refs\/heads\///' \
           | egrep -v $IGNORE_BRANCHES`
 # Always update the mainline.
-BRANCHES="${BRANCHES} ${ADD_BRANCHES}"
+BRANCHES="${ADD_BRANCHES} ${BRANCHES}"
 
 # This is put into the datestamp files.
 CURR_DATE=`/bin/date +"%Y%m%d"`
@@ -33,28 +36,25 @@ datestamp_FILES="gcc/DATESTAMP"
 
 # Assume all will go well.
 RESULT=0
+SUBDIR=$BASEDIR/gcc
 for BRANCH in $BRANCHES; do
   echo "Working on \"$BRANCH\"."
-  # Check out the files on the branch.  HEAD is in a different namespace.
-  if test "$BRANCH" = HEAD; then 
-    SVNROOT2=${SVNROOT}/trunk
-  else    
-    SVNROOT2=${SVNROOT}/branches/${BRANCH}
+  # Check out the files on the branch.
+  if [ -d "$SUBDIR" ]; then
+    cd "$SUBDIR"
+    ${GIT} pull -q
+    ${GIT} checkout -q "$BRANCH"
+  else
+    ${GIT} clone -q -b "$BRANCH" "$GITROOT" "$SUBDIR"
   fi
 
-  for i in $datestamp_FILES; do
-    ${SVN} -q co -N ${SVNROOT2}/`dirname $i` `basename $i`
-  done
-
   # There are no files to commit yet.
   COMMIT_FILES=""
 
+  cd "$SUBDIR"
   for file in $datestamp_FILES; do
-    dirname=`basename $file`
-    file=`basename $file`
-    file="$dirname/$file"
     if test -f $file; then
-      echo ${CURR_DATE} > $file.new
+      echo "${CURR_DATE}" > $file.new
 
       if /usr/bin/cmp -s $file $file.new; then
 	rm -f $file.new
@@ -68,18 +68,18 @@ for BRANCH in $BRANCHES; do
   if test -n "$COMMIT_FILES"; then
     for i in $COMMIT_FILES; do
     echo "Attempting to commit $i"
-    if ! ${SVN} commit -m "Daily bump." $i; then
-       # If we could not commit the files, indicate failure.
-       RESULT=1
-     fi
+    if ${GIT} commit -m "Daily bump." $i; then
+      if ! ${GIT} push origin "$BRANCH"; then
+        # If we could not push the files, indicate failure.
+        RESULT=1
+      fi
+    else
+      # If we could not commit the files, indicate failure.
+      RESULT=1
+    fi
     done
   fi
-  
-  # Remove the files.
-  for i in $datestamp_FILES; do
-   rm -rf /tmp/$$/`basename $i`
-  done
 done
 
-/bin/rm -rf /tmp/$$
+/bin/rm -rf $BASEDIR
 exit $RESULT