From 0d8e0f0e8b46df001f61cffc4dceddc9e5964e36 Mon Sep 17 00:00:00 2001
From: "Yann E. MORIN\"" <yann.morin.1998@anciens.enib.fr>
Date: Sat, 10 Apr 2010 12:34:07 +0200
Subject: scripts: add script to publish patches

This script creates the patches for an existing version.

diff --git a/scripts/mk-patch.sh b/scripts/mk-patch.sh
new file mode 100755
index 0000000..2cd4529
--- /dev/null
+++ b/scripts/mk-patch.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+repos="$1"
+pdir="$2"
+if [ -z "${repos}" -o ! -d "${repos}" -o -z "${pdir}" -o ! -d "${pdir}" ];then
+    printf "Usage: ${0##*/} <repos_dir> <patch_dir>\n"
+    exit 1
+fi
+
+pdir="$( cd "${pdir}"; pwd)"
+version="$( echo "${pdir}" |sed -r -e 's,.*/([^/]+)/*$,\1,' )"
+branch="${version%.*}"
+n=$( ls -1 "${pdir}" 2>/dev/null |wc -l )
+
+r1="$( hg -R "${repos}" log -b "${branch}"  \
+       |awk '
+            $1=="changeset:" {
+                prev=rev;
+                split($2,a,":");
+                rev=a[1];
+            }
+            $0~/^summary:[[:space:]]+'"${branch}: (bump|update) version to ${version}\+hg"'$/ {
+                printf( "%d\n", prev );
+            }
+            '
+     )"
+
+i=0
+hg -R "${repos}" log -b "${branch}" -r "${r1}:tip" --template '{rev}\n'    \
+|while read rev; do
+    p="$( printf "%03d" ${i} )"
+    i=$((i+1))
+    if [ $( ls -1 "${pdir}/${p}-"*.patch 2>/dev/null |wc -l ) -ne 0 ]; then
+        continue
+    fi
+    plog=$( hg -R "${repos}" log -r ${rev} --template '{desc|firstline}\n'  \
+            |sed -r -e 's,[/ :]+,_,g;'                                      \
+          )
+    pname="${p}-${plog}.patch"
+    printf "Revision '%d' --> '%s'\n" ${rev} "${pname}"
+    hg -R "${repos}" diff -c ${rev} --color=never >"${pdir}/${pname}"
+    pdate="$( hg -R "${repos}" log -r ${rev} --template '{date|isodate}\n' )"
+    touch -d "${pdate}" "${pdir}/${pname}"
+done
-- 
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