ADC "rmrepo" replaced by "rm" and "trash", with helper ADCs

helpers for 'rm': lock, unlock
helpers for 'trash': list-trash, undelete

common functions updated with local settings for ADCs as well

contrib/adc/adc.common-functions

@@ -2,6 +2,39 @@
 
 # please make sure this file is NOT chmod +x
 
+# ------------------------------------------------------------------------------
+
+# settings for various ADCs, collected in one place for ease of keeping local
+# settings intact during upgrades (you only have to worry about this file
+# now).  Documentation for the variables, however, is in the respective ADC
+
+# settings for 'rm' ADC
+ARE_YOU_SURE=1
+USE_LOCK_UNLOCK=1
+
+# settings for 'trash' ADC
+TRASH_CAN=$GL_REPO_BASE_ABS/deleted
+TRASH_SUFFIX=`date +%Y-%m-%d_%H:%M:%S`
+
+# ------------------------------------------------------------------------------
+
+# test an option value more concisely
+opt() {
+    [ "$1" = "1" ] && return 0
+    return 1
+}
+
+valid_owned_repo() {
+    # check that an arg passed is a valid repo and the current user owns it
+    repo=$1
+    [ -z "$1" ] && die need a repo name
+    get_rights_and_owner $repo
+    [ "$owner" = "$GL_USER" ] || die "$repo does not exist or is not yours!"
+
+    # and we sneak this in too, quietly :)
+    cd $GL_REPO_BASE_ABS
+}
+
 die() { echo "$@"; exit 1; }
 
 get_rights_and_owner() {