format_patch_dep3: format patches for DEP3 headers

DEP3 is Debian's attempt to provide more standard patch information.
It attempts to encode as much useful information as possible in the
form of simple RFC822 headers. See http://dep.debian.net/deps/dep3/

This script should grab such useful information from Asterisk commit
messages.

1 files changed, 60 insertions, 0 deletions

diff --git a/format_patch_dep3 b/format_patch_dep3
new file mode 100755
index 0000000..bd3e7ff
--- /dev/null
+++ b/format_patch_dep3
@@ -0,0 +1,60 @@
+#!/bin/sh
+
+# patch_debian: generate sensible DEP3 headers from a Asterisk commits
+
+set -e
+
+dir=''
+commit=''
+
+usage() {
+	me=`basename $0`
+	echo "$me: format a DEP3 patch from Asterisk Git-SVN commits"
+	echo ""
+	echo "Usage:"
+	echo "  git format-patch --stdout COMMIT(s) | $0  # Recommended"
+	echo "  git show COMMIT | $0                      # Also works"
+	echo "  $0 -c COMMIT [ -d DIRECTORY ]             # Shortcut"
+	echo ""
+	echo "  COMMIT: git commit to use. Should also work with multiple"
+	echo "          patches in a mbox."
+	echo ""
+	echo "  DIRECTORY: If set, use git repository from that directory"
+	echo "             (change into it first)."
+}
+
+while getopts 'c:d:h' opt; do
+	case "$opt" in
+		c) commit="$OPTARG" ;;
+		d) dir="$OPTARG" ;;
+		h) usage; exit 0;;
+		?) usage; exit 1;;
+	esac
+done
+shift $((OPTIND-1))
+
+# By default, we just grab what the user provided in the standard input
+get_patch() {
+	cat
+}
+
+if [ "$commit" != '' ]; then
+	#redefine the input function:
+	get_patch() {
+		if [ "$dir" != '' ]; then
+			cd "$dir"
+		fi
+		git format-patch --stdout "$commit"^.."$commit"
+	}
+fi
+
+
+# FIXME: ^' *' makes it work with 'git show', but increases the chance of
+# it changing the actual patch.
+get_patch \
+| sed \
+	-e 's|^ *git-svn-id: http://svn.asterisk.org/[^@]*@\([0-9]\+\) .*|Origin: http://svnview.digium.com/svn/asterisk?view=rev\&rev=\1|' \
+	-e 's|^ *(issue #\([0-9]\+\))$|Bug: https://issues.asterisk.org/view.php?id=\1|i' \
+	
+#git-svn-id:  git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/1.4@233609
+#(issue #16299)