From 1e162ffd26747907bef07eab778187648a9bf9dc Mon Sep 17 00:00:00 2001
From: Matthew Hooker <mwhooker@gmail.com>
Date: Mon, 9 Oct 2017 21:31:19 -0700
Subject: [PATCH] skip doc PRs in changelog helper

---
 scripts/prepare_changelog.sh | 63 ++++++++++++++++++++++++++++--------
 1 file changed, 50 insertions(+), 13 deletions(-)

diff --git a/scripts/prepare_changelog.sh b/scripts/prepare_changelog.sh
index f44bd93bd..5834c639f 100755
--- a/scripts/prepare_changelog.sh
+++ b/scripts/prepare_changelog.sh
@@ -1,27 +1,64 @@
 #!/bin/zsh
 
-
 LAST_RELEASE=$1
+DO_PR_CHECK=1
+
+set -o pipefail
+
+is_doc_pr(){
+    if ! (($+commands[jq])); then
+        DO_PR_CHECK=0
+        echo "jq not found"
+        return 1
+    fi
+    PR_NUM=$1
+    out=$(curl -fsS "https://api.github.com/repos/hashicorp/packer/issues/${PR_NUM}" | jq '[.labels[].name == "docs"] | any')
+    exy="$?"
+    if [ $exy -ne 0 ]; then
+        echo "bad response from github"
+        exit $exy
+    fi
+    grep -q true <<< $out
+    return $?
+}
 
 if [ -z $LAST_RELEASE ]; then
     echo "you need to give the previous release version. prepare_changelog.sh v<version>"
     exit 1
 fi
 
+get_prs(){
+    # git log --merges v0.10.2...c3861d167533fb797b0fae0c380806625712e5f7 |
+    git log --merges HEAD...${LAST_RELEASE} |
+    grep -o "Merge pull request #\(\d\+\)" | awk -F\# '{print $2}' | while read line
+    do
+        grep -q "GH-${line}" CHANGELOG.md
+        if [ $? -ne 0 ]; then
+            echo $line
+        fi
+    done | while read PR_NUM
+    do
+        if (($DO_PR_CHECK)) && is_doc_pr $PR_NUM; then
+            continue
+        fi
+        echo "https://github.com/hashicorp/packer/pull/${PR_NUM}"
+    done
+}
 
-# git log --merges v0.10.2...c3861d167533fb797b0fae0c380806625712e5f7 |
-git log --merges HEAD...${LAST_RELEASE} |
-grep -o "Merge pull request #\(\d\+\)" | awk -F\# '{print $2}' | while read line
-do
-    grep -q "GH-${line}" CHANGELOG.md
-    if [ $? -ne 0 ]; then
-        echo $line
-    fi
-done | while read line
-do
-    echo "https://github.com/hashicorp/packer/pull/${line}"
-    #TODO get tags. ignore docs
+#is_doc_pr 52061111
+# is_doc_pr 5206 # non-doc pr
+#is_doc_pr 5434 # doc pr
+#echo $?
+#exit
+
+# prpid=$!
+# trap 'kill -9 ${prpid}; exit' INT TERM
+
+get_prs | while read line; do
     echo $line
+    if [[ "$line" =~ "bad" ]]; then
+        exit 1
+    fi
     vared -ch ok
 done