adding my handy dandy script that generates the current use.local.desc

1 files changed, 55 insertions, 0 deletions

diff --git a/users/antarus/projects/infra/use_desc_gen.sh b/users/antarus/projects/infra/use_desc_gen.sh
new file mode 100644
index 0000000000..d03218af34
--- /dev/null
+++ b/users/antarus/projects/infra/use_desc_gen.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+# $Id: use_desc_gen.sh,v 1.1 2008/08/15 04:45:18 cardoe Exp $
+
+export PATH=/home/cardoe/work/gentoo/users/antarus/projects/infra/:${PATH}
+
+usage() {
+	prog=$(basename $1)
+
+	echo "${prog} /path/to/portage/tree"
+	exit 1;
+}
+
+if [ $# -ne 1 ]; then
+	usage $0;
+fi
+
+if [ "x${1}" = "x-h" -o "x${1}" = "x--help" ]; then
+	usage $0;
+fi
+
+if [ ! -f "${1}/profiles/use.local.desc" ]; then
+	usage $0;
+fi
+
+pid=$(echo $$)
+
+# make list of categories that we want to remove from current use.local.desc
+cat "${1}/profiles/use.local.desc" | sed '1,/# The following categories/d;/# End of metadata categories/,$d;s/^../^/' > /tmp/${pid}.grep
+
+# we also want to remove comments and blank lines
+echo "^#" >> /tmp/${pid}.grep
+echo "^$" >> /tmp/${pid}.grep
+
+# make list of categories to process with use_desc_gen (same as above without grep rule)
+cat "${1}/profiles/use.local.desc" | sed '1,/# The following categories/d;/# End of metadata categories/,$d;s/^..//' > /tmp/${pid}.categories
+
+# take comments from existing use.local.desc
+grep '^#' "${1}/profiles/use.local.desc" > /tmp/${pid}.use.local.desc
+echo "" >> /tmp/${pid}.use.local.desc
+
+# use list from step #1 to filter current use.local.desc and add un-converted categories to new use.local.desc
+grep -v -f /tmp/${pid}.grep "${1}/profiles/use.local.desc" > /tmp/${pid}.new.use
+
+# the secret sauce, append to new use.local.desc
+use_desc_gen --repo_path "${1}" --category_file "/tmp/${pid}.categories" >> /tmp/${pid}.new.use
+
+# let's keep it sorted
+cat "/tmp/${pid}.new.use" | sort -t ' ' -k1,1 >> /tmp/${pid}.use.local.desc
+
+# clean up
+rm -rf /tmp/${pid}.categories
+rm -rf /tmp/${pid}.grep
+rm -rf /tmp/${pid}.new.use
+
+echo "new use.local.desc at /tmp/${pid}.use.local.desc"