# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1527279235 -7200
# Node ID 8a38d4dc8d0655efcc3710a07488dfcb5210feec
# Parent  c9cbc0cafa8017865c2568fe55e8e28c416761dd
Added a tool to regenerate package Control files from package declarations.

diff -r c9cbc0cafa80 -r 8a38d4dc8d06 tools/makecontrol.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/makecontrol.sh	Fri May 25 22:13:55 2018 +0200
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+PROGNAME=`basename "$0"`
+
+if [ "$1" = '--help' ] || [ ! "$1" ] || [ ! -e "$1" ] ; then
+    cat 1>&2 <<EOF
+Usage: $PROGNAME <package location>
+
+Search for package declarations in the given package, overwriting the Control
+file for the package with an updated version.
+EOF
+    exit 1
+fi
+
+PACKAGE="$1"
+
+# Obtain the existing Control file and extract the non-provides fields.
+
+grep -v '^provides: ' "$PACKAGE/Control" > _non_provides.tmp
+
+# Search for package declarations and build provides fields.
+
+grep PC_FILENAME -r "$PACKAGE" | cut -d'=' -f 2 | sort -u | sed 's/^ /provides: /' > _provides.tmp
+
+# Concatenate the files and overwrite the Control file.
+
+cat _provides.tmp _non_provides.tmp > "$PACKAGE/Control"
+
+# Remove the temporary files.
+
+rm _provides.tmp _non_provides.tmp