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-rwxr-xr-xmfbt/double-conversion/update.sh76
1 files changed, 76 insertions, 0 deletions
diff --git a/mfbt/double-conversion/update.sh b/mfbt/double-conversion/update.sh
new file mode 100755
index 0000000000..9e83081abe
--- /dev/null
+++ b/mfbt/double-conversion/update.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+# Usage: ./update.sh [<git-rev-to-use>]
+#
+# Copies the needed files from a directory containing the original
+# double-conversion source that we need. If no revision is specified, the tip
+# revision is used. See GIT-INFO for the last revision used.
+
+set -e
+
+LOCAL_PATCHES=""
+
+LOCAL_PATCHES="$LOCAL_PATCHES add-mfbt-api-markers.patch"
+LOCAL_PATCHES="$LOCAL_PATCHES use-mozilla-assertions.patch"
+LOCAL_PATCHES="$LOCAL_PATCHES debug-only-functions.patch"
+LOCAL_PATCHES="$LOCAL_PATCHES to-fixed-dbl-max.patch"
+
+TMPDIR=`mktemp -d`
+LOCAL_CLONE="$TMPDIR/new-double-conversion"
+
+git clone https://github.com/google/double-conversion.git "$LOCAL_CLONE"
+
+# If a particular revision was requested, check it out.
+if [ "$1" != "" ]; then
+ git -C "$LOCAL_CLONE" checkout "$1"
+fi
+
+# First clear out everything already present.
+DEST=./double-conversion
+mv "$DEST" "$TMPDIR"/old-double-conversion
+mkdir "$DEST"
+
+# Copy over critical files.
+cp "$LOCAL_CLONE/LICENSE" "$DEST/"
+cp "$LOCAL_CLONE/README.md" "$DEST/"
+
+# Includes
+for header in "$LOCAL_CLONE/double-conversion/"*.h; do
+ cp "$header" "$DEST/"
+done
+
+# Source
+for ccfile in "$LOCAL_CLONE/double-conversion/"*.cc; do
+ cp "$ccfile" "$DEST/"
+done
+
+# Now apply our local patches.
+for patch in $LOCAL_PATCHES; do
+ patch --directory "$DEST" --strip 4 < "$patch"
+
+ # Out-of-date patches may spew *.{orig,rej} when applied. Report an error if
+ # any such file is found, and roll the source directory back to its previous
+ # state in such case.
+ detritus_files=`find "$DEST" -name '*.orig' -o -name '*.rej'`
+ if [ "$detritus_files" != "" ]; then
+ echo "ERROR: Local patch $patch created these detritus files when applied:"
+ echo ""
+ echo " $detritus_files"
+ echo ""
+ echo "Please fix $patch before running $0."
+
+ rm -rf "$DEST"
+ mv "$TMPDIR"/source "$DEST"
+
+ exit 1
+ fi
+done
+
+# Update Mercurial file status.
+hg addremove "$DEST"
+
+# Note the revision used in this update.
+git -C "$LOCAL_CLONE" show -s > ./GIT-INFO
+
+# Delete the tmpdir.
+rm -rf "$TMPDIR"