refactor: set deploy-source and metadata at deploy time

This ensures the value is correct, where previously it was computed based on a file - and therefore did not distinguish between git:from-archive and git:from-image.

Closes #4464

plugins/git/deploy-source

@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-set -eo pipefail
-[[ $DOKKU_TRACE ]] && set -x
-
-trigger-git-deploy-source() {
-  declare desc="git deploy-source plugin trigger"
-  declare trigger="deploy-source"
-  declare APP="$1"
-  local STDIN
-  STDIN=$(cat)
-
-  # bail if another source is detected
-  if [[ -n "$STDIN" ]]; then
-    echo "$STDIN"
-    return
-  fi
-
-  if [[ -d "$DOKKU_ROOT/$APP/refs" ]]; then
-    echo "git"
-  fi
-}
-
-trigger-git-deploy-source "$@"

plugins/git/functions

@@ -93,14 +93,17 @@ cmd-git-hook() {
     if [[ $refname == "refs/heads/${DOKKU_DEPLOY_BRANCH}" ]]; then
       # broken out into plugin so we might support other methods to receive an app
       git_receive_app "$APP" "$newrev"
+      plugn trigger deploy-source-set "$APP" "git-push" "$newrev"
     else
       if [[ $(find "$PLUGIN_PATH"/enabled/*/receive-branch 2>/dev/null | wc -l) != 1 ]]; then
         # shellcheck disable=SC2086
         plugn trigger receive-branch $APP $newrev $refname
+        plugn trigger deploy-source-set "$APP" "git-push" "$newrev"
       elif [[ -z "$(fn-git-deploy-branch "$APP" "")" ]]; then
         echo $'\e[1G\e[K'"-----> Set ${refname/refs\/heads\//} to DOKKU_DEPLOY_BRANCH."
         fn-plugin-property-write "git" "$app" "deploy-branch" "${refname/refs\/heads\//}"
         git_receive_app "$APP" "$newrev"
+        plugn trigger deploy-source-set "$APP" "git-push" "$newrev"
       else
         echo $'\e[1G\e[K'"-----> WARNING: deploy did not complete, you must push to ${DOKKU_DEPLOY_BRANCH}."
         echo $'\e[1G\e[K'"-----> for example, try 'git push <dokku> ${refname/refs\/heads\//}:${DOKKU_DEPLOY_BRANCH}'"

plugins/git/internal-functions

@@ -53,6 +53,7 @@ cmd-git-from-archive() {
   fi
 
   plugn trigger git-from-archive "$APP" "$ARCHIVE_URL" "$ARCHIVE_TYPE" "$USER_NAME" "$USER_EMAIL"
+  plugn trigger deploy-source-set "$APP" "$ARCHIVE_TYPE" "$ARCHIVE_URL"
 }
 
 cmd-git-auth() {
@@ -110,6 +111,7 @@ cmd-git-from-image() {
   [[ -z "$DOCKER_IMAGE" ]] && dokku_log_fail "Please specify a docker image"
 
   plugn trigger git-from-image "$APP" "$DOCKER_IMAGE" "$BUILD_DIR" "$USER_NAME" "$USER_EMAIL"
+  plugn trigger deploy-source-set "$APP" "docker-image" "$DOCKER_IMAGE"
 }
 
 cmd-git-sync() {
@@ -165,6 +167,7 @@ cmd-git-sync() {
     else
       plugn trigger receive-app "$APP"
     fi
+    plugn trigger deploy-source-set "$APP" "git-sync" "${GIT_REMOTE}#${GIT_REF}"
   fi
 }