[gcc(refs/vendors/ibm/heads/gcc-9)] Update gcc_release to mainline version.

[gcc(refs/vendors/ibm/heads/gcc-9)] Update gcc_release to mainline version.

[Peter Bergner]

https://gcc.gnu.org/g:6abd781f44a53c8103dd13225114bd10b255083d

commit 6abd781f44a53c8103dd13225114bd10b255083d
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Mon Jan 13 15:58:45 2020 +0000

    Update gcc_release to mainline version.
    
    Will be needed for building subsequent releases on this branch from
    git.
    
    	Backport:
    
    	2020-01-13  Joseph Myers  <joseph@codesourcery.com>
    
    	* gcc_release: Use git instead of SVN.
    
    	2019-11-20  Janne Blomqvist  <jb@gcc.gnu.org>
    
    	* gcc_release: Use https for gcc.gnu.org.

Diff:
---
 maintainer-scripts/ChangeLog   |  12 +++++
 maintainer-scripts/gcc_release | 109 ++++++++++++++++++++++-------------------
 2 files changed, 71 insertions(+), 50 deletions(-)

diff --git a/maintainer-scripts/ChangeLog b/maintainer-scripts/ChangeLog
index 280c506..b411200 100644
--- a/maintainer-scripts/ChangeLog
+++ b/maintainer-scripts/ChangeLog
@@ -1,3 +1,15 @@
+2020-01-13  Joseph Myers  <joseph@codesourcery.com>
+
+	Backport:
+
+	2020-01-13  Joseph Myers  <joseph@codesourcery.com>
+
+	* gcc_release: Use git instead of SVN.
+
+	2019-11-20  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* gcc_release: Use https for gcc.gnu.org.
+
 2019-08-12  Release Manager
 
 	* GCC 9.2.0 released.
diff --git a/maintainer-scripts/gcc_release b/maintainer-scripts/gcc_release
index bfb6b03..8be8701 100755
--- a/maintainer-scripts/gcc_release
+++ b/maintainer-scripts/gcc_release
@@ -64,19 +64,19 @@ inform() {
 usage() {
 cat <<EOF
 gcc_release -r release [-f] [further options]
-gcc_release -s name:svnbranch [further options]
+gcc_release -s name:gitbranch [further options]
 
 Options:
 
   -r release           Version of the form X.Y or X.Y.Z.
-  -s name:svnbranch    Create a snapshot, not a real release.
+  -s name:gitbranch    Create a snapshot, not a real release.
 
   -d destination       Local working directory where we will build the release
                        (default=${HOME}).
   -f                   Create a final release (and update ChangeLogs,...).
   -l                   Indicate that we are running on gcc.gnu.org.
   -p previous-tarball  Location of a previous tarball (to generate diff files).
-  -t tag               Tag to mark the release in SVN.
+  -t tag               Tag to mark the release in git.
   -u username          Username for upload operations.
 EOF
     exit 1
@@ -102,14 +102,15 @@ build_sources() {
     || error "Could not create \`${WORKING_DIRECTORY}'"
   changedir "${WORKING_DIRECTORY}"
 
+  # Check out the sources.
+  ${GIT} clone -q -b "${GITBRANCH}" "${GITROOT}" "`basename ${SOURCE_DIRECTORY}`" || \
+      error "Could not check out release sources"
+
   # If this is a final release, make sure that the ChangeLogs
   # and version strings are updated.
   if [ ${FINAL} -ne 0 ]; then
     inform "Updating ChangeLogs and version files"
 
-    ${SVN} -q co "${SVNROOT}/${SVNBRANCH}" "`basename ${SOURCE_DIRECTORY}`" ||\
-           error "Could not check out release sources"
-
     grep -q "gcc-${RELEASE_MAJOR}/index.html gcc-${RELEASE_MAJOR}/changes.html" \
 	 ${SOURCE_DIRECTORY}/contrib/gennews ||\
 	   error "New release not listed in contrib/gennews"
@@ -139,7 +140,7 @@ build_sources() {
 
     rm -f NEWS
 
-    svnciargs=""
+    commit_files=""
     for x in `changedir ${SOURCE_DIRECTORY} && \
 	      find . -name ChangeLog`; do
       # Update this ChangeLog file only if it does not yet contain the
@@ -154,7 +155,7 @@ ${LONG_DATE}  Release Manager
 EOF
 	mv ${SOURCE_DIRECTORY}/${x}.new ${SOURCE_DIRECTORY}/${x} \
 	  || error "Could not update ${x}"
-	svnciargs="${svnciargs} ${x}"
+	commit_files="${commit_files} ${x}"
       fi
     done
 
@@ -169,7 +170,7 @@ EOF
 	(changedir ${SOURCE_DIRECTORY}/gcc && \
 	 echo ${RELEASE} > BASE-VER) || \
 	error "Could not update BASE-VER"
-	svnciargs="${svnciargs} gcc/BASE-VER"
+	commit_files="${commit_files} gcc/BASE-VER"
       else
 	error "Release number ${RELEASE} does not immediately follow BASE-VER"
       fi
@@ -177,16 +178,15 @@ EOF
     (changedir ${SOURCE_DIRECTORY}/gcc && \
      : > DEV-PHASE) || \
     error "Could not update DEV-PHASE"
-    svnciargs="${svnciargs} gcc/DEV-PHASE"
+    commit_files="${commit_files} gcc/DEV-PHASE"
 
     (changedir ${SOURCE_DIRECTORY} && \
-     ${SVN} -q ci -m 'Update ChangeLog and version files for release' ${svnciargs}) || \
+     ${GIT} commit -q -m 'Update ChangeLog and version files for release' ${commit_files} && \
+     ${GIT} push) || \
     error "Could not commit ChangeLog and version file updates"
 
     # Make sure we tag the sources for a final release.
-    TAG="tags/gcc_`echo ${RELEASE} | tr . _`_release"
-
-    rm -rf ${SOURCE_DIRECTORY}
+    TAG="releases/gcc-${RELEASE}"
   fi
 
   # Tag the sources.
@@ -195,30 +195,43 @@ EOF
     # We don't want to overwrite an existing tag.  So, if the tag
     # already exists, issue an error message; the release manager can
     # manually remove the tag if appropriate.
-    echo "${SVN} ls ${SVNROOT}/${TAG}/ChangeLog" 
-    if ${SVN} ls "${SVNROOT}/${TAG}/ChangeLog"; then 
+    if (changedir ${SOURCE_DIRECTORY} && \
+	${GIT} rev-parse "refs/tags/${TAG}" > /dev/null 2>&1); then
       error "Tag ${TAG} already exists"
     fi
-    ${SVN} -m "Tagging source as ${TAG}" cp "${SVNROOT}/${SVNBRANCH}" "${SVNROOT}/${TAG}" || \
+    (changedir ${SOURCE_DIRECTORY} && \
+     ${GIT} tag -s -m "GCC ${RELEASE} release" "${TAG}" && \
+     ${GIT} push origin tag "${TAG}") || \
       error "Could not tag sources"
-    SVNBRANCH=${TAG}
+    GITBRANCH=${TAG}
   fi
-  SVNREV=`${SVN} info "${SVNROOT}/${SVNBRANCH}"|awk '/Revision:/ {print $2}'`
 
-  # Export the current sources.
-  inform "Retrieving sources (svn export -r ${SVNREV} ${SVNROOT}/${SVNBRANCH})"
+  GITREV=`cd ${SOURCE_DIRECTORY} && ${GIT} rev-parse HEAD`
+  inform "Sources are commit ${GITREV}"
+
+  # Make sure there are no uncommitted changes in the sources.
+  status=${WORKING_DIRECTORY}/gitstatus.$$
+  (changedir ${SOURCE_DIRECTORY} && \
+   ${GIT} status --porcelain --ignored > "$status") || \
+    error "Could not get source directory status"
+  if [ -s "$status" ]; then
+    cat "$status"
+    error "Source directory has unexpected changes"
+  fi
+  rm "$status"
 
-  ${SVN} -q export -r${SVNREV} "${SVNROOT}/${SVNBRANCH}" "`basename ${SOURCE_DIRECTORY}`" ||\
-    error "Could not retrieve sources"
+  # Remove .git from the sources.
+  rm -rf "${SOURCE_DIRECTORY}/.git" || \
+    error "Could not remove .git from sources"
 
   # Run gcc_update on them to set up the timestamps nicely, and (re)write
-  # the LAST_UPDATED file containing the SVN tag/revision used.
+  # the LAST_UPDATED file containing the git tag/revision used.
   changedir "gcc-${RELEASE}"
   contrib/gcc_update --touch
-  echo "Obtained from SVN: ${SVNBRANCH} revision ${SVNREV}" > LAST_UPDATED
+  echo "Obtained from git: ${GITBRANCH} revision ${GITREV}" > LAST_UPDATED
 
   # For a prerelease or real release, we need to generate additional
-  # files not present in SVN.
+  # files not present in git.
   changedir "${SOURCE_DIRECTORY}"
   if [ $SNAPSHOT -ne 1 ]; then
     # Generate the documentation.
@@ -430,11 +443,11 @@ announce_snapshot() {
   changedir "${SNAPSHOTS_DIR}"
   echo \
 "Snapshot gcc-"${RELEASE}" is now available on
-  ftp://gcc.gnu.org/pub/gcc/snapshots/"${RELEASE}"/
+  https://gcc.gnu.org/pub/gcc/snapshots/"${RELEASE}"/
 and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.
 
-This snapshot has been generated from the GCC "${BRANCH}" SVN branch
-with the following options: "svn://gcc.gnu.org/svn/gcc/${SVNBRANCH} revision ${SVNREV}"
+This snapshot has been generated from the GCC "${BRANCH}" git branch
+with the following options: "git://gcc.gnu.org/git/gcc.git branch ${GITBRANCH} revision ${GITREV}"
 
 You'll find:
 " > ${SNAPSHOT_README}
@@ -457,8 +470,8 @@ for testing purposes.</p>
 we highly recommend you join the GCC developers list.  Details for
 how to sign up can be found on the GCC project home page.</p>
 
-<p>This snapshot has been generated from the GCC "${BRANCH}" SVN branch
-with the following options: <code>"svn://gcc.gnu.org/svn/gcc/${SVNBRANCH} revision ${SVNREV}"</code></p>
+<p>This snapshot has been generated from the GCC "${BRANCH}" git branch
+with the following options: <code>"git://gcc.gnu.org/git/gcc.git branch ${GITBRANCH} revision ${GITREV}"</code></p>
 
 <table>" > ${SNAPSHOT_INDEX}
        
@@ -511,13 +524,13 @@ export LC_ALL
 DATE=`date "+%Y%m%d"`
 LONG_DATE=`date "+%Y-%m-%d"`
 
-SVN=${SVN:-svn}
-# The CVS server containing the GCC repository.
-SVN_SERVER="gcc.gnu.org"
+GIT=${GIT:-git}
+# The server containing the GCC repository.
+GIT_SERVER="gcc.gnu.org"
 # The path to the repository on that server.
-SVN_REPOSITORY="/svn/gcc"
+GIT_REPOSITORY="/git/gcc.git"
 # The username to use when connecting to the server.
-SVN_USERNAME="${USER}"
+GIT_USERNAME="${USER}"
 
 # The machine to which files will be uploaded.
 GCC_HOSTNAME="gcc.gnu.org"
@@ -546,7 +559,7 @@ BRANCH=""
 
 # The name of the branch from which the release should be made, as used
 # for our version control system.
-SVNBRANCH=""
+GITBRANCH=""
 
 # The tag to apply to the sources used for the release.
 TAG=""
@@ -605,11 +618,11 @@ while getopts "d:fr:u:t:p:s:l" ARG; do
     d)    DESTINATION="${OPTARG}";;
     r)    RELEASE="${OPTARG}";;
     t)    TAG="${OPTARG}";;
-    u)    SVN_USERNAME="${OPTARG}";;
+    u)    GIT_USERNAME="${OPTARG}";;
     f)    FINAL=1;;
     s)    SNAPSHOT=1
           BRANCH=${OPTARG%:*}
-          SVNBRANCH=${OPTARG#*:}
+          GITBRANCH=${OPTARG#*:}
           ;;
     l)    LOCAL=1
 	  SCP=cp
@@ -643,7 +656,7 @@ while [ $# -ne 0 ]; do
 done
 
 # Perform consistency checking.
-if [ ${LOCAL} -eq 0 ] && [ -z ${SVN_USERNAME} ]; then
+if [ ${LOCAL} -eq 0 ] && [ -z ${GIT_USERNAME} ]; then
   error "No username specified"
 fi
 
@@ -673,12 +686,8 @@ if [ $SNAPSHOT -eq 0 ]; then
   fi
 
   # Compute the name of the branch, which is based solely on the major
-  # and minor release numbers.
-  if [ ${RELEASE_MAJOR} -ge 5 ]; then
-    SVNBRANCH="branches/gcc-${RELEASE_MAJOR}-branch"
-  else
-    SVNBRANCH="branches/gcc-${RELEASE_MAJOR}_${RELEASE_MINOR}-branch"
-  fi
+  # release number.
+  GITBRANCH="releases/gcc-${RELEASE_MAJOR}"
 
   # If this is not a final release, set various parameters accordingly.
   if [ ${FINAL} -ne 1 ]; then
@@ -707,13 +716,13 @@ fi
 WORKING_DIRECTORY="${DESTINATION}/gcc-${RELEASE}"
 SOURCE_DIRECTORY="${WORKING_DIRECTORY}/gcc-${RELEASE}"
 
-# Set up SVNROOT.
+# Set up GITROOT.
 if [ $LOCAL -eq 0 ]; then
-    SVNROOT="svn+ssh://${SVN_USERNAME}@${SVN_SERVER}${SVN_REPOSITORY}"
+    GITROOT="git+ssh://${GIT_USERNAME}@${GIT_SERVER}${GIT_REPOSITORY}"
 else
-    SVNROOT="file:///svn/gcc"
+    GITROOT="/git/gcc.git"
 fi
-export SVNROOT
+export GITROOT
 
 ########################################################################
 # Main Program