[PATCH] cg-tag - add support for longer commit messages

[Martin Langhoff <martin@catalyst.net.nz>]

Added an -m switch that points to a filename which contains a (potentially
long) tag message.

Bugs: Could alternatively be implemented via STDIN.

---

 cg-tag |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

c9ed29a0eb1529a47af75a4193375edf9e892fdb
diff --git a/cg-tag b/cg-tag
--- a/cg-tag
+++ b/cg-tag
@@ -23,7 +23,7 @@
 #	This is most usually the ID of the commit to tag. Tagging
 #	other objects than commits is possible, but rather "unusual".
 
-USAGE="cg-tag [-d DESCRIPTION] [-s [-k KEYNAME]] TAG_NAME [OBJECT_ID]"
+USAGE="cg-tag [-d DESCRIPTION] [-m MSGFILE ] [-s [-k KEYNAME]] TAG_NAME [OBJECT_ID]"
 
 . ${COGITO_LIB}cg-Xlib || exit 1
 
@@ -37,6 +37,8 @@ while optparse; do
 		keyname="$OPTARG"
 	elif optparse -d=; then
 		description="$OPTARG"
+	elif optparse -m=; then
+		msgfile="$OPTARG"
 	else
 		optfail
 	fi
@@ -72,6 +74,13 @@ if [ "$description" ]; then
 	echo >>"$tagdir/tag"
 	echo "$description" >>"$tagdir/tag"
 fi
+if [ "$msgfile" ]; then
+	if [ ! -r $msgfile ]; then
+		rm -rf "$tagdir"
+		die "error signing the tag: cannot read $msgfile"
+	fi
+	cat $msgfile >>"$tagdir/tag"
+fi
 if [ "$sign" ]; then
 	echo >>"$tagdir/tag"
 	if ! gpg ${keyname:+--default-key "$keyname"} -bsa "$tagdir/tag"; then