Implement API call to check commit hash

We now download a few kb of commit info and check for changes
in the hash first, before downloading the full zip.
Also use the clojure:lein image in test.

infrastructure/c4k-website-build/image/resources/entrypoint.sh

@@ -1,30 +1,27 @@
 #!/bin/bash
-# curl -s -H "Authorization: token xxxx" https://gitea.host/api/v1/repos/{owner}/{repo}/git/commits/HEAD | jq '.sha'
 
 mkdir $BUILDDIR
 mkdir $SOURCEDIR
 
-set -o nounset
-set -o xtrace
-set -o errexit
-set -eo pipefail
+set -euo pipefail
 
 source /usr/local/bin/functions.sh
 
 filename="website.zip"
 hashfilename="hashfile"
 
-echo "Downloading website data"
-get-website-data $filename
-
 echo "Check for new content"
-currentHash=$( print-hash-from-file $filename )
 touch $HASHFILEDIR/$hashfilename
-if [[ $currentHash == $(cat $HASHFILEDIR/$hashfilename) ]]
+currentHash=$( cat $HASHFILEDIR/$hashfilename )
+newHash=$( get-hash-data )
+
+if [[ $currentHash == $newHash ]]
     then
         echo "Nothing to do"
     else        
-        write-hashfile $currentHash $hashfilename
+        write-hash-data $currentHash $hashfilename
+        echo "Downloading website data"
+        get-website-data $filename
         unzip-website-data $filename
         echo "Executing Custom Scripts, if applicable"
         execute-scripts-when-existing

infrastructure/c4k-website-build/image/resources/functions.sh

@@ -1,23 +1,22 @@
 #!/bin/bash
-# curl -s -H "Authorization: token xxxx" https://gitea.host/api/v1/repos/{owner}/{repo}/git/commits/HEAD | jq '.sha'
 
 function get-website-data() {    
     curl -H "Authorization: token $AUTHTOKEN" -o $SOURCEDIR/$1 $GITREPOURL
 }
 
-function write-hashfile() {
-    echo $1 > $HASHFILEDIR/$2
+function get-hash-data() {
+    curl -s -H "Authorization: token $AUTHTOKEN" $GITCOMMITURL | jq '.sha'
 }
 
-function print-hash-from-file() {
-    (cd $SOURCEDIR; sha256sum $1 | cut -d " " -f 1;)
+function write-hash-data() {
+    echo $1 > $HASHFILEDIR/$2
 }
 
 function unzip-website-data() {
     unzip $SOURCEDIR/$1 -d $BUILDDIR
 }
 
-function execute-scripts-when-existing {
+function execute-scripts-when-existing() {
     websitedir=$(ls $BUILDDIR)
     if [[ -f $BUILDDIR/$websitedir/$SCRIPTFILE ]]
         then 

infrastructure/c4k-website-build/image/resources/install.sh

@@ -2,7 +2,7 @@
 
 apt update > /dev/null;
 
-apt install -y unzip rsync imagemagick
+apt install -y unzip rsync jq imagemagick
 
 mkdir /etc/lein/
 

infrastructure/c4k-website-build/test/Dockerfile

@@ -1,4 +1,4 @@
-FROM c4k-jira-backup
+FROM clojure:lein
 
 RUN apt update
 RUN apt -yqq --no-install-recommends --yes install curl default-jre-headless

src/main/resources/website/website-build-secret.yaml

@@ -8,5 +8,3 @@ data:
     AUTHTOKEN: TOKEN
     GITREPOURL: REPOURL
     GITCOMMITURL: COMMITURL
-    
-