initial commit

Author: kosta-codefresh

.ssh/config

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+IdentityFile ~/.ssh/codefresh
+
+Host github.com
+    StrictHostKeyChecking no

.ssh/known_hosts

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+github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==
+bitbucket.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
+bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==

Dockerfile

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+FROM alpine:3.5
+
+RUN apk add --update git bash
+
+#add ssh record on which ssh key to use
+COPY ./.ssh/ /root/.ssh/
+
+COPY ./start.sh /run/start.sh
+RUN chmod +x /run/start.sh
+
+CMD ["/run/start.sh"]

README.md

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+# cf-git-cloner
+

start.sh

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+#!/bin/bash
+
+exit_trap () {
+  local lc="$BASH_COMMAND" rc=$?
+  if [ $rc != 0 ]; then
+    echo "Command [$lc] exited with code [$rc]"
+  fi
+}
+
+git_retry () {
+# Retry git on exit code 128
+(
+   set +e
+   RETRY_ON_SIGNAL=128
+   COMMAND=$@
+   local TRY_NUM=1 MAX_TRIES=3 RETRY_WAIT=60
+   until [[ "$TRY_NUM" -ge "$MAX_TRIES" ]]; do
+      $COMMAND
+      EXIT_CODE=$?
+      if [[ $EXIT_CODE == 0 ]]; then
+        break
+      elif [[ $EXIT_CODE == "$RETRY_ON_SIGNAL" ]]; then
+        echo "$COMMAND failed with Exit Code $EXIT_CODE - try $TRY_NUM "
+        TRY_NUM=$(( ${TRY_NUM} + 1 ))
+        sleep $RETRY_WAIT
+      else
+        break
+      fi
+   done
+   return $EXIT_CODE
+   )
+}
+
+trap exit_trap EXIT
+set -e
+
+[ -z "$REVISION" ] && (echo "missing REVISION var" | tee /dev/stderr) && exit 1
+
+echo "$PRIVATE_KEY" > /root/.ssh/codefresh
+chmod 700 ~/.ssh/
+chmod 600 ~/.ssh/*
+
+cd $WORKING_DIRECTORY
+
+git config --global credential.helper "/bin/sh -c 'echo username=$USERNAME; echo password=$PASSWORD'"
+
+# Check if the cloned dir already exists from previous builds
+if [ -d "$CLONE_DIR" ]; then
+
+  # Cloned dir already exists from previous builds so just fetch all the changes
+  echo "Preparing to update $REPO"
+  cd $CLONE_DIR
+
+  # Reset the remote URL because the embedded user token may have changed
+  git remote set-url origin $REPO
+
+  echo "Cleaning up the working directory"
+  git reset -q --hard
+  git clean -df
+  git gc
+  git_retry git remote prune origin
+
+  echo "Fetching the updates from origin"
+  git_retry git fetch --tags -v
+
+  if [ -n "$REVISION" ]; then
+
+      echo "Updating $REPO to revision $REVISION"
+      git checkout $REVISION
+
+      CURRENT_BRANCH="`git branch 2>/dev/null | grep '^*' | cut -d' ' -f2-`"
+
+      # If the revision is identical to the current branch we can rebase it with the latest changes. This isn't needed when running detached
+      if [ "$REVISION" == "$CURRENT_BRANCH" ]; then
+	     echo 'Rebasing current branch $REVISION to latest changes...'
+         git rebase
+      fi
+  fi
+else
+
+  # Clone a fresh copy
+  echo "cloning $REPO"
+  git_retry git clone $REPO $CLONE_DIR
+  cd $CLONE_DIR
+
+  if [ -n "$REVISION" ]; then
+    git checkout $REVISION
+  fi
+fi