diff --git a/codegen-library.sh b/codegen-library.sh
index 7eb4cec3..bc37859f 100755
--- a/codegen-library.sh
+++ b/codegen-library.sh
@@ -50,7 +50,7 @@ function go-resolve-pkg-dir() {
       return 1
     fi
   else
-    go mod download -x
+    go mod download -x > /dev/stderr
     go list -m -f '{{.Dir}}' "${pkg}" 2>/dev/null
     return $?
   fi
@@ -148,7 +148,8 @@ function restore-changes-if-its-copyright-year-only() {
 
 # Restore the GOPATH and clean up the temporary directory
 function restore-gopath() {
-  if (( IS_PROW )); then
+  # Skip this if the directory is already checked out onto the GOPATH.
+  if __is_checkout_onto_gopath; then
     return
   fi
   if [ -n "$CODEGEN_TMP_GOPATH" ] && [ -d "$CODEGEN_TMP_GOPATH" ]; then
diff --git a/go.work.sum b/go.work.sum
index e02e1f30..f8a39b23 100644
--- a/go.work.sum
+++ b/go.work.sum
@@ -1,37 +1,101 @@
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
+github.com/alecthomas/chroma/v2 v2.14.0 h1:R3+wzpnUArGcQz7fCETQBzO5n9IMNi13iIs46aU4V9E=
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diff --git a/library.sh b/library.sh
index 9cd2adc7..f4ef09c6 100755
--- a/library.sh
+++ b/library.sh
@@ -141,54 +141,41 @@ function calcRetcode() {
 # Print error message.
 # Parameters: $* - error message to be displayed
 function error() {
-  gum_style \
-      --foreground '#D00' \
+  local first="$1"
+  shift
+  local args=("ERROR: $first" "$@")
+  gum_banner \
+      --color '#D00' \
       --padding '1 3' \
       --border double \
-      --border-foreground '#D00' \
-      "ERROR: $*"
+      "${args[@]}" > /dev/stderr
 }
 
 # Print error message and call exit(n) where n calculated from the error message.
 # Parameters: $1..$n - error message to be displayed
 # Globals: abort_retcode will change the default retcode to be returned
 function abort() {
-  error "$*"
+  error "$@"
   readonly abort_retcode="${abort_retcode:-$(calcRetcode "$*")}"
   exit "$abort_retcode"
 }
 
-# Display a box banner.
-# Parameters: $1 - character to use for the box.
-#             $2 - banner message.
-# Deprecated: Use `gum_style` instead.
-function make_banner() {
-  local msg="$1$1$1$1 $2 $1$1$1$1"
-  local border="${msg//[^$1]/$1}"
-  echo -e "${border}\n${msg}\n${border}"
-  # TODO(adrcunha): Remove once logs have timestamps on Prow
-  # For details, see https://github.com/kubernetes/test-infra/issues/10100
-  if (( IS_PROW )); then
-    echo -e "$1$1$1$1 $(TZ='UTC' date --rfc-3339=ns)\n${border}"
-  fi
-}
-
 # Simple header for logging purposes.
 function header() {
   local upper
   upper="$(echo "$*" | tr '[:lower:]' '[:upper:]')"
-  gum_style \
-    --padding '1 3' \
+  gum_banner \
     --border double \
+    --color 44 \
+    --padding '1 3' \
     "$upper"
 }
 
 # Simple subheader for logging purposes.
 function subheader() {
-  gum_style \
-    --padding '1 3' \
-    --border rounded \
-    "$*"
+  gum_banner \
+      --color 45 \
+      "$@"
 }
 
 # Simple log step for logging purposes.
@@ -203,22 +190,87 @@ function log() {
 
 # Simple warning banner for logging purposes.
 function warning() {
-  gum_style \
-    --foreground '#DD0' \
+  local first="$1"
+  shift
+  local args=("WARN: $first" "$@")
+  gum_banner \
+    --color '#DD0' \
     --padding '1 3' \
     --border rounded \
-    --border-foreground '#DD0' \
-    "WARN: $*"
+    "${args[@]}" > /dev/stderr
+}
+
+# Display a box banner.
+# Parameters: $1 - character to use for the box.
+#             $2 - banner message.
+# Deprecated: Use `gum_banner` instead.
+function make_banner() {
+  local msg="$1$1$1$1 $2 $1$1$1$1"
+  local border="${msg//[^$1]/$1}"
+  echo -e "${border}\n${msg}\n${border}"
+  # TODO(adrcunha): Remove once logs have timestamps on Prow
+  # For details, see https://github.com/kubernetes/test-infra/issues/10100
+  if (( IS_PROW )); then
+    echo -e "$1$1$1$1 $(TZ='UTC' date --rfc-3339=ns)\n${border}"
+  fi
+}
+
+# Display a fancy box banner.
+# Parameters:
+#   [--border <type>] - a gum border type for the box, defaults to 'rounded'
+#   [--color <color>] - a gum color for the box, defaults to '0''
+#   [--padding <padding>] - a gum padding for the box, defaults to '0 1'
+#   $* - banner message.
+function gum_banner() {
+  local border='rounded'
+  local color='0'
+  local padding='0 1'
+  while [[ $# -gt 0 ]]; do
+    case "$1" in
+      --border)
+        border="$2"
+        shift 2
+        ;;
+      --color)
+        color="$2"
+        shift 2
+        ;;
+      --padding)
+        padding="$2"
+        shift 2
+        ;;
+      *)
+        break
+        ;;
+    esac
+  done
+  local args=(
+    --align center
+    --border "$border"
+    --foreground "$color"
+    --border-foreground "$color"
+    --padding "$padding"
+    "$@"
+  )
+  # TODO: Remove once logs have timestamps on Prow, details see:
+  #       https://github.com/kubernetes/test-infra/issues/10100
+  if (( IS_PROW )); then
+    local dt
+    # RFC3339Nano format with 3 digits of ns without timezone offset
+    dt="$(TZ='UTC' date --rfc-3339=ns | sed -E 's/\.([0-9]{3})[0-9]+.+$/.\1/')"
+    args+=('' "at $dt")
+  fi
+  gum_style "${args[@]}"
 }
 
 # Simple info banner for logging purposes.
 function gum_style() {
-  go_run github.com/charmbracelet/gum@v0.14.1 style "$@" > /dev/stderr
+  go_run github.com/charmbracelet/gum@v0.14.1 style "$@"
 }
 
 # Checks whether the given function exists.
 function function_exists() {
-  [[ "$(type -t $1)" == "function" ]]
+  [[ "$(type -t "$1")" == "function" ]]
 }
 
 # GitHub Actions aware output grouping.
@@ -556,7 +608,7 @@ function report_go_test() {
   echo "Test log (ANSI) written to ${ansilog}"
 
   htmllog="${logfile/.jsonl/.html}"
-  go_run github.com/buildkite/terminal-to-html/v3/cmd/terminal-to-html@v3.11.0 \
+  go_run github.com/buildkite/terminal-to-html/v3/cmd/terminal-to-html@v3.10.0 \
     --preview < "$ansilog" > "$htmllog"
   echo "Test log (HTML) written to ${htmllog}"
 
@@ -829,13 +881,17 @@ function go_mod_module_name() {
   go_run knative.dev/toolbox/modscope@latest current
 }
 
+function __is_checkout_onto_gopath() {
+  ! [ "${REPO_ROOT_DIR##"$(go env GOPATH)"}" = "$REPO_ROOT_DIR" ]
+}
+
 # Return a GOPATH to a temp directory. Works around the out-of-GOPATH issues
 # for k8s client gen mixed with go mod.
 # Intended to be used like:
 #   export GOPATH=$(go_mod_gopath_hack)
 function go_mod_gopath_hack() {
   # Skip this if the directory is already checked out onto the GOPATH.
-  if ! [ "${REPO_ROOT_DIR##"$(go env GOPATH)"}" = "$REPO_ROOT_DIR" ]; then
+  if __is_checkout_onto_gopath; then
     go env GOPATH
     return
   fi
@@ -843,6 +899,10 @@ function go_mod_gopath_hack() {
   local TMP_GOPATH TMP_REPO_PATH
   TMP_GOPATH="$TMPDIR/go"
   TMP_REPO_PATH="${TMP_GOPATH}/src/$(go_mod_module_name)"
+  if [ -d "${TMP_REPO_PATH}" ]; then
+    echo "${TMP_GOPATH}"
+    return
+  fi
   mkdir -p "$(dirname "${TMP_REPO_PATH}")"
   ln -s "${REPO_ROOT_DIR}" "${TMP_REPO_PATH}"
 
diff --git a/presubmit-tests.sh b/presubmit-tests.sh
index d210dc70..b96ffadf 100755
--- a/presubmit-tests.sh
+++ b/presubmit-tests.sh
@@ -72,9 +72,11 @@ function initialize_environment() {
 # Parameters: $1 - test group name (e.g., build)
 #             $2 - result (0=passed, 1=failed)
 function results_banner() {
-  local result
-  [[ $2 -eq 0 ]] && result="PASSED" || result="FAILED"
-  header "$1 tests ${result}"
+  if [[ $2 -eq 0 ]]; then
+    header "$1 tests PASSED"
+  else
+    error "$1 tests FAILED"
+  fi
 }
 
 # Run build tests. If there's no `build_tests` function, run the default
diff --git a/release.sh b/release.sh
index cbc20f69..7c5c2ba5 100755
--- a/release.sh
+++ b/release.sh
@@ -17,7 +17,7 @@
 # This is a helper script for Knative release scripts.
 # See README.md for instructions on how to use it.
 
-source $(dirname "${BASH_SOURCE[0]}")/library.sh
+source "$(dirname "${BASH_SOURCE[0]}")/library.sh"
 
 # Organization name in GitHub; defaults to Knative.
 readonly ORG_NAME="${ORG_NAME:-knative}"
@@ -37,9 +37,9 @@ readonly RELEASE_SIGNING_IDENTITY="signer@knative-releases.iam.gserviceaccount.c
 readonly GEO_REPLICATION=(us eu asia)
 
 # Simple banner for logging purposes.
-# Parameters: $1 - message to display.
+# Parameters: $* - message to display.
 function banner() {
-    make_banner "@" "$1"
+  subheader "$*"
 }
 
 # Tag images in the yaml files if $TAG is not empty.
diff --git a/schema/go.mod b/schema/go.mod
index e17437ce..470dbb4f 100644
--- a/schema/go.mod
+++ b/schema/go.mod
@@ -18,8 +18,8 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	golang.org/x/net v0.19.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/net v0.25.0 // indirect
+	golang.org/x/text v0.15.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
diff --git a/schema/go.sum b/schema/go.sum
index 4f7cf835..b8d45702 100644
--- a/schema/go.sum
+++ b/schema/go.sum
@@ -55,8 +55,8 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
-golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
+golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
+golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -65,8 +65,8 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk=
+golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
diff --git a/test/go.mod b/test/go.mod
index 774e6e9f..3b08ad99 100644
--- a/test/go.mod
+++ b/test/go.mod
@@ -3,43 +3,51 @@ module knative.dev/hack/test
 go 1.21
 
 require (
+	github.com/abiosoft/lineprefix v0.1.4
+	github.com/charmbracelet/gum v0.14.1
+	github.com/fatih/color v1.12.0
 	github.com/stretchr/testify v1.8.4
 	github.com/thanhpk/randstr v1.0.4
 	golang.org/x/mod v0.14.0
-	k8s.io/apimachinery v0.29.2
 	k8s.io/code-generator v0.29.2
+	knative.dev/hack v0.0.0-20240704013904-b9799599afcf
 )
 
 require (
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/charmbracelet/lipgloss v0.11.0 // indirect
+	github.com/charmbracelet/x/ansi v0.1.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
 	github.com/go-logr/logr v1.3.0 // indirect
 	github.com/go-openapi/jsonpointer v0.19.6 // indirect
 	github.com/go-openapi/jsonreference v0.20.2 // indirect
 	github.com/go-openapi/swag v0.22.3 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/gnostic-models v0.6.8 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-colorable v0.1.8 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/muesli/termenv v0.15.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	golang.org/x/net v0.19.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
 	golang.org/x/tools v0.16.1 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
-	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/gengo v0.0.0-20230829151522-9cce18d56c01 // indirect
 	k8s.io/klog/v2 v2.110.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 // indirect
-	k8s.io/utils v0.0.0-20230726121419-3b25d923346b // indirect
-	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
diff --git a/test/go.sum b/test/go.sum
index 91338326..c2683ab2 100644
--- a/test/go.sum
+++ b/test/go.sum
@@ -1,9 +1,21 @@
+github.com/abiosoft/lineprefix v0.1.4 h1:fXu3jc+B2EaS98mTpEL5OH9EKv3scHRb7/gsvlqAD1A=
+github.com/abiosoft/lineprefix v0.1.4/go.mod h1:Myq9hfXs8e2OmHFvajp3pHxxThZL645XK+BrEQNvNSs=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
+github.com/charmbracelet/gum v0.14.1 h1:GRONh4WFXM9l28fgj9HbWqQimLzzV/vUxJfyQZEhbdk=
+github.com/charmbracelet/gum v0.14.1/go.mod h1:BMym0NN64JZvlEFe1uDY/Gj9UWgidwJOG4TB5gfyp+A=
+github.com/charmbracelet/lipgloss v0.11.0 h1:UoAcbQ6Qml8hDwSWs0Y1cB5TEQuZkDPH/ZqwWWYTG4g=
+github.com/charmbracelet/lipgloss v0.11.0/go.mod h1:1UdRTH9gYgpcdNN5oBtjbu/IzNKtzVtb7sqN1t9LNn8=
+github.com/charmbracelet/x/ansi v0.1.1 h1:CGAduulr6egay/YVbGc8Hsu8deMg1xZ/bkaXTPi1JDk=
+github.com/charmbracelet/x/ansi v0.1.1/go.mod h1:dk73KoMTT5AX5BsX0KrqhsTqAnhZZoCBjs7dGWp4Ktw=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/emicklei/go-restful/v3 v3.11.0 h1:rAQeMHw1c7zTmncogyy8VvRZwtkmkZ4FxERmMY4rD+g=
 github.com/emicklei/go-restful/v3 v3.11.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
+github.com/fatih/color v1.12.0 h1:mRhaKNwANqRgUBGKmnI5ZxEk7QXmjQeCcuYFMX2bfcc=
+github.com/fatih/color v1.12.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
 github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
 github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY=
 github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
@@ -15,8 +27,6 @@ github.com/go-openapi/swag v0.22.3 h1:yMBqmnQ0gyZvEb/+KzuWZOXgllrXT4SADYbvDaXHv/
 github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
 github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
 github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls=
-github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
-github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
@@ -37,8 +47,6 @@ github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8Hm
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
-github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
-github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
@@ -47,19 +55,33 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
+github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
+github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
+github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
+github.com/muesli/termenv v0.15.2 h1:GohcuySI0QmI3wN8Ok9PtKGkgkFIk7y6Vpb5PvrY+Wo=
+github.com/muesli/termenv v0.15.2/go.mod h1:Epx+iuz8sNs7mNKhxzH4fWXGNpZwUaJKRS1noLXviQ8=
 github.com/onsi/ginkgo/v2 v2.13.0 h1:0jY9lJquiL8fcf3M4LAXN5aMlS/b2BV86HFFPCPMgE4=
 github.com/onsi/ginkgo/v2 v2.13.0/go.mod h1:TE309ZR8s5FsKKpuB1YAQYBzCaAfUgatB/xlT/ETL/o=
 github.com/onsi/gomega v1.29.0 h1:KIA/t2t5UBzoirT4H9tsML45GEbo3ouUnBHsCfD2tVg=
 github.com/onsi/gomega v1.29.0/go.mod h1:9sxs+SwGrKI0+PWe4Fxa9tFQQBG5xSsSbMXOI8PPpoQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
@@ -68,6 +90,7 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
@@ -76,43 +99,35 @@ github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXl
 github.com/thanhpk/randstr v1.0.4 h1:IN78qu/bR+My+gHCvMEXhR/i5oriVHcTB/BJJIRTsNo=
 github.com/thanhpk/randstr v1.0.4/go.mod h1:M/H2P1eNLZzlDwAzpkkkUvoyNNMbzRGhESZuEQk3r0U=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
 golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
-golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
+golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
+golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
-golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk=
+golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200505023115-26f46d2f7ef8/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
-golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
-golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.16.1 h1:TLyB3WofjdOEepBHAU20JdNC1Zbg87elYofWYAY5oZA=
 golang.org/x/tools v0.16.1/go.mod h1:kYVVN6I1mBNoB1OX+noeBjbRk4IUEPa7JJ+TJMEooJ0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
@@ -121,16 +136,12 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
-gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
-gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-k8s.io/apimachinery v0.29.2 h1:EWGpfJ856oj11C52NRCHuU7rFDwxev48z+6DSlGNsV8=
-k8s.io/apimachinery v0.29.2/go.mod h1:6HVkd1FwxIagpYrHSwJlQqZI3G9LfYWRPAkUvLnXTKU=
 k8s.io/code-generator v0.29.2 h1:c9/iw2KnNpw2IRV+wwuG/Wns2TjPSgjWzbbjTevyiHI=
 k8s.io/code-generator v0.29.2/go.mod h1:FwFi3C9jCrmbPjekhaCYcYG1n07CYiW1+PAPCockaos=
 k8s.io/gengo v0.0.0-20230829151522-9cce18d56c01 h1:pWEwq4Asjm4vjW7vcsmijwBhOr1/shsbSYiWXmNGlks=
@@ -140,8 +151,8 @@ k8s.io/klog/v2 v2.110.1 h1:U/Af64HJf7FcwMcXyKm2RPM22WZzyR7OSpYj5tg3cL0=
 k8s.io/klog/v2 v2.110.1/go.mod h1:YGtd1984u+GgbuZ7e08/yBuAfKLSO0+uR1Fhi6ExXjo=
 k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 h1:aVUu9fTY98ivBPKR9Y5w/AuzbMm96cd3YHRTU83I780=
 k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00/go.mod h1:AsvuZPBlUDVuCdzJ87iajxtXuR9oktsTctW/R9wwouA=
-k8s.io/utils v0.0.0-20230726121419-3b25d923346b h1:sgn3ZU783SCgtaSJjpcVVlRqd6GSnlTLKgpAAttJvpI=
-k8s.io/utils v0.0.0-20230726121419-3b25d923346b/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
+knative.dev/hack v0.0.0-20240704013904-b9799599afcf h1:n92FmZRywgtHso7pFAku7CW0qvRAs1hXtMQqO0R6eiE=
+knative.dev/hack v0.0.0-20240704013904-b9799599afcf/go.mod h1:yk2OjGDsbEnQjfxdm0/HJKS2WqTLEFg/N6nUs6Rqx3Q=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
 sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4=
diff --git a/test/hack/verify-codegen.sh b/test/hack/verify-codegen.sh
index 72b6ee76..c4fd75c4 100755
--- a/test/hack/verify-codegen.sh
+++ b/test/hack/verify-codegen.sh
@@ -25,7 +25,8 @@ source "$(go run ./cmd/script library.sh)"
 ./test/hack/update-codegen.sh
 
 if ! git diff --exit-code; then
-  abort "codegen is out of date, please run test/hack/update-codegen.sh, and commit the changes."
+  abort "Codegen is out of date!" "" \
+    "Please, run test/hack/update-codegen.sh, and commit (or stage) the changes."
 fi
 
 header "Codegen is up to date"
diff --git a/test/unit/codegen_test.go b/test/unit/codegen_test.go
index 46f112c6..541288c4 100644
--- a/test/unit/codegen_test.go
+++ b/test/unit/codegen_test.go
@@ -1,7 +1,10 @@
 package unit_test
 
 import (
+	"fmt"
+	"go/build"
 	"os"
+	"path"
 	"strings"
 	"testing"
 
@@ -10,49 +13,93 @@ import (
 
 func TestCodegen(t *testing.T) {
 	t.Parallel()
-	tmpdir := t.TempDir()
-	execPermission := os.FileMode(0o755)
-	require.NoError(t, os.MkdirAll(tmpdir+"/go/bin", execPermission))
-	require.NoError(t, os.WriteFile(
-		tmpdir+"/go/bin/deepcopy-gen",
-		[]byte(strings.Join([]string{"#!/bin/bash",
-			`git restore test/e2e/apis/hack/v1alpha1/zz_generated.deepcopy.go`,
-			`echo "Deepcopy generation complete"`,
-			"exit 248"}, "\n")),
-		execPermission))
+	wantRetcode := 248
 	sc := newShellScript(
-		envs(map[string]string{"TMPDIR": tmpdir}),
+		mockDeepcopyGen(t, func(gen *deepcopyGen) {
+			gen.retcode = wantRetcode
+		}),
+		fakeProwJob(),
 		loadFile("source-codegen-library.bash"),
 		mockGo(),
 	)
 	tcs := []testCase{{
 		name: "generate-groups deepcopy " +
-			"knative.dev/hack/test/e2e/apis/hack/v1alpha1/generated " +
-			"knative.dev/hack/test/e2e/apis " +
+			"knative.dev/hack/test/codegen/testdata/apis/hack/v1alpha1 " +
 			"hack:v1alpha1",
-		retcode: retcode(248),
+		retcode: retcode(wantRetcode),
 		stdout: equal(`WARNING: generate-groups.sh is deprecated.
 WARNING: Please use k8s.io/code-generator/kube_codegen.sh instead.
 
 WARNING: generate-internal-groups.sh is deprecated.
 WARNING: Please use k8s.io/code-generator/kube_codegen.sh instead.
 
-go install k8s.io/code-generator/cmd/applyconfiguration-gen k8s.io/code-generator/cmd/client-gen k8s.io/code-generator/cmd/conversion-gen k8s.io/code-generator/cmd/deepcopy-gen k8s.io/code-generator/cmd/defaulter-gen k8s.io/code-generator/cmd/informer-gen k8s.io/code-generator/cmd/lister-gen k8s.io/code-generator/cmd/openapi-gen
+👻 go install k8s.io/code-generator/cmd/applyconfiguration-gen k8s.io/code-generator/cmd/client-gen k8s.io/code-generator/cmd/conversion-gen k8s.io/code-generator/cmd/deepcopy-gen k8s.io/code-generator/cmd/defaulter-gen k8s.io/code-generator/cmd/informer-gen k8s.io/code-generator/cmd/lister-gen k8s.io/code-generator/cmd/openapi-gen
 Generating deepcopy funcs
 Deepcopy generation complete
+--- Cleaning up generated code
 `,
 		),
-		stderr: equal(strings.TrimLeft(`
-╭───────────────────────────────────────────────────────────╮
-│                                                           │
-│   WARN: Failed to determine the knative.dev/pkg package   │
-│                                                           │
-╰───────────────────────────────────────────────────────────╯
---- Cleaning up generated code
-`, "\n")),
+		stderr: warned(
+			"Failed to determine the knative.dev/pkg package",
+			func(o *headerOpts) {
+				o.equals = true
+			}),
 	}}
 	for i := range tcs {
 		tc := tcs[i]
 		t.Run(tc.name, tc.test(sc))
 	}
 }
+
+type deepcopyGen struct {
+	retcode int
+}
+
+type deepcopyGenOpt func(*deepcopyGen)
+
+func mockDeepcopyGen(t TestingT, opts ...deepcopyGenOpt) scriptlet {
+	d := deepcopyGen{}
+	for _, opt := range opts {
+		opt(&d)
+	}
+	execPermission := os.FileMode(0o755)
+	var slet scriptlet = instructions()
+	gobin := path.Join(currentGopath(), "bin")
+	deepcopyGenPath := path.Join(gobin, "deepcopy-gen")
+	if !isCheckoutOntoGopath() {
+		tmpdir := t.TempDir()
+		slet = envs(map[string]string{"TMPDIR": tmpdir})
+		gobin = path.Join(tmpdir, "go", "bin")
+		deepcopyGenPath = path.Join(gobin, "deepcopy-gen")
+		require.NoError(t, os.MkdirAll(gobin, execPermission))
+	} else {
+		t.Cleanup(func() {
+			require.NoError(t, os.Remove(deepcopyGenPath))
+		})
+	}
+	require.NoError(t, os.WriteFile(
+		deepcopyGenPath,
+		// restore zz_generated files, if they are deleted
+		[]byte(strings.Join([]string{"#!/bin/bash",
+			`set -Eeuo pipefail`,
+			`git diff --numstat | grep -E '0\s+[0-9]{2,}.+zz_generated.+\.go' ` +
+				`| awk '{print $3}' | xargs -r git restore`,
+			`echo "Deepcopy generation complete"`,
+			fmt.Sprint("exit ", d.retcode)}, "\n")),
+		execPermission))
+	return slet
+}
+
+// isCheckoutOntoGopath checks if the current directory is under GOPATH
+func isCheckoutOntoGopath() bool {
+	rootDir := path.Dir(path.Dir(currentDir()))
+	return strings.HasPrefix(rootDir, currentGopath())
+}
+
+func currentGopath() string {
+	gopath := os.Getenv("GOPATH")
+	if gopath == "" {
+		gopath = build.Default.GOPATH
+	}
+	return gopath
+}
diff --git a/test/unit/e2e_helpers_test.go b/test/unit/e2e_helpers_test.go
index e6fa1146..563b7d90 100644
--- a/test/unit/e2e_helpers_test.go
+++ b/test/unit/e2e_helpers_test.go
@@ -16,18 +16,19 @@ func TestE2eHelpers(t *testing.T) {
 	)
 	tcs := []testCase{{
 		name:   `initialize --smoke-test-custom-flag`,
-		stdout: []check{contains("Custom flag detected")},
+		stdout: []check{subheader("Custom flag detected")},
 	}, {
 		name: `fail_test`,
 		commands: []string{
 			`initialize --run-tests`,
 			`fail_test`,
 		},
-		stderr:  aborted("test failed"),
 		retcode: retcode(111),
 		stdout: []check{
-			contains(">> DUMPING THE CLUSTER STATE"),
+			contains("Cluster is gke_deadbeef_1.24"),
+			subheader("Dumping the cluster state"),
 		},
+		stderr: aborted("test failed"),
 	}}
 	for _, tc := range tcs {
 		tc := tc
diff --git a/test/unit/library_test.go b/test/unit/library_test.go
index c207bfae..2c956247 100644
--- a/test/unit/library_test.go
+++ b/test/unit/library_test.go
@@ -25,14 +25,16 @@ func TestHelperFunctions(t *testing.T) {
 		stdout: lines("Knative Hack"),
 	}, {
 		name: `get_canonical_path test/unit/library_test.go`,
-		stdout: []check{func(t assert.TestingT, output string) {
-			assert.Contains(t, output, "hack/test/unit/library_test.go")
-			pth := strings.Trim(output, "\n")
-			fi, err := os.Stat(pth)
-			assert.NoError(t, err)
-			assert.False(t, fi.IsDir())
-			assert.True(t, path.IsAbs(pth))
-		}},
+		stdout: []check{
+			contains("hack/test/unit/library_test.go"),
+			func(t TestingT, output string, otype outputType) bool {
+				pth := strings.Trim(output, "\n")
+				fi, err := os.Stat(pth)
+				assert.NoError(t, err)
+				assert.False(t, fi.IsDir())
+				assert.True(t, path.IsAbs(pth))
+				return !t.Failed()
+			}},
 	}, {
 		name:   `capitalize "foo bar"`,
 		stdout: lines("Foo Bar"),
@@ -41,11 +43,11 @@ func TestHelperFunctions(t *testing.T) {
 		stdout: lines(
 			">>> Knative Hack controller logs:",
 			">>> Pod: acme",
-			"kubectl -n test-infra logs acme --all-containers",
+			"👻 kubectl -n test-infra logs acme --all-containers",
 			">>> Pod: example",
-			"kubectl -n test-infra logs example --all-containers",
+			"👻 kubectl -n test-infra logs example --all-containers",
 			">>> Pod: knative",
-			"kubectl -n test-infra logs knative --all-containers",
+			"👻 kubectl -n test-infra logs knative --all-containers",
 		),
 	}, {
 		name:   `is_protected_gcr "gcr.io/knative-releases"`,
diff --git a/test/unit/presubmit_test.go b/test/unit/presubmit_test.go
index a87c9c46..af5904fc 100644
--- a/test/unit/presubmit_test.go
+++ b/test/unit/presubmit_test.go
@@ -8,18 +8,18 @@ import (
 	"github.com/thanhpk/randstr"
 )
 
-func TestMainFunc(t *testing.T) {
-	t.Parallel()
+func TestPresubmitTestMainFunc(t *testing.T) {
 	sc := newShellScript(
+		mockDeepcopyGen(t),
 		fakeProwJob(),
 		loadFile("source-presubmit-tests.bash"),
 		mockGo(),
 		mockKubectl(),
 	)
 	tcs := []testCase{{
-		name: `main --build-tests`,
+		name: "main --build-tests",
 		stdout: []check{
-			contains("RUNNING BUILD TESTS"),
+			header("RUNNING BUILD TESTS"),
 			contains("Build tests for knative.dev/hack/test"),
 			contains("Build tests for knative.dev/hack/schema"),
 			contains("Build tests for knative.dev/hack"),
@@ -28,24 +28,23 @@ func TestMainFunc(t *testing.T) {
 			contains("go test -vet=off -tags  -exec echo ./..."),
 			contains("go run knative.dev/test-infra/tools/kntest/cmd/kntest@latest" +
 				" junit --suite=_build_tests --name=Check_Licenses --err-msg= --dest="),
-			contains("BUILD TESTS PASSED"),
+			header("BUILD TESTS PASSED"),
 		},
 	}, {
-		name: `main --unit-tests`,
+		name: "main --unit-tests",
 		stdout: []check{
-			contains("RUNNING UNIT TESTS"),
+			header("RUNNING UNIT TESTS"),
 			contains("Unit tests for knative.dev/hack/test"),
 			contains("Unit tests for knative.dev/hack/schema"),
 			contains("Unit tests for knative.dev/hack"),
 			contains("Running go test with args: -short -race -count 1 ./..."),
 			contains("go run gotest.tools/gotestsum@v1.11.0 --format testname --junitfile"),
 			contains("-- -short -race -count 1 ./..."),
-			contains("UNIT TESTS PASSED"),
+			header("UNIT TESTS PASSED"),
 		},
-	},
-	}
-	for _, tc := range tcs {
-		tc := tc
+	}}
+	for i := range tcs {
+		tc := tcs[i]
 		t.Run(tc.name, tc.test(sc))
 	}
 }
diff --git a/test/unit/release_test.go b/test/unit/release_test.go
index 82889d65..07c152ad 100644
--- a/test/unit/release_test.go
+++ b/test/unit/release_test.go
@@ -44,8 +44,8 @@ func TestBuildFromSource(t *testing.T) {
 		},
 		stdout: append(outChecks, contains(checksumsContent)),
 	}}
-	for _, tc := range tcs {
-		tc := tc
+	for i := range tcs {
+		tc := tcs[i]
 		t.Run(tc.name, func(t *testing.T) {
 			tmp := t.TempDir()
 			sc := testReleaseShellScript(
diff --git a/test/unit/scripts/fake-dumps.bash b/test/unit/scripts/fake-dumps.bash
index 33a0d487..2df56cc4 100644
--- a/test/unit/scripts/fake-dumps.bash
+++ b/test/unit/scripts/fake-dumps.bash
@@ -15,10 +15,10 @@
 # limitations under the License.
 
 function dump_metrics() {
-  header ">> Starting kube proxy"
-  header ">> Grabbing k8s metrics"
+  subheader "Starting kube proxy"
+  subheader "Grabbing k8s metrics"
 }
 
 function dump_cluster_state() {
-  header ">> Dumping the cluster state"
+  subheader "Dumping the cluster state"
 }
diff --git a/test/unit/sharedlib_test.go b/test/unit/sharedlib_test.go
index b314863a..0edd36bf 100644
--- a/test/unit/sharedlib_test.go
+++ b/test/unit/sharedlib_test.go
@@ -3,6 +3,7 @@ package unit_test
 import (
 	"bytes"
 	"embed"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -12,7 +13,11 @@ import (
 	"runtime"
 	"strings"
 	"testing"
+	"time"
 
+	"github.com/abiosoft/lineprefix"
+	"github.com/charmbracelet/gum/style"
+	"github.com/fatih/color"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/thanhpk/randstr"
@@ -25,27 +30,124 @@ var (
 	toMuchNlRx   = regexp.MustCompile("(?m)\n{3,}")
 )
 
-func aborted(msg string) []check {
+func TestMain(m *testing.M) {
+	ensureGoModDownloaded()
+	os.Exit(m.Run())
+}
+
+// ensureGoModDownloaded will download the go modules before running the tests
+// to avoid the download and compilation messages, which may influence the
+// output assertions.
+func ensureGoModDownloaded() {
+	fmt.Println("Pre-fetching go modules, to avoid download messages during tests...")
+	cmd := exec.Command("go", "mod", "download", "-x")
+	cmd.Dir = path.Dir(currentDir())
+	cmd.Stdout = lineprefix.New(
+		lineprefix.Writer(os.Stdout),
+		lineprefix.Color(color.New(color.FgCyan)),
+		lineprefix.Prefix("STDOUT |"),
+	)
+	cmd.Stderr = lineprefix.New(
+		lineprefix.Writer(os.Stderr),
+		lineprefix.Color(color.New(color.FgRed)),
+		lineprefix.Prefix("STDERR |"),
+	)
+	err := cmd.Run()
+	if err != nil {
+		panic(err)
+	}
+}
+
+type headerOpts struct {
+	equals bool
+}
+
+func (o headerOpts) check(s string) check {
+	if o.equals {
+		return equal(s)[0]
+	}
+	return contains(s)
+}
+
+type headerOpt func(*headerOpts)
+
+func compileHeaderOpts(opts []headerOpt) headerOpts {
+	o := headerOpts{}
+	for _, opt := range opts {
+		opt(&o)
+	}
+	return o
+}
+
+func aborted(msg string, opts ...headerOpt) []check {
+	o := compileHeaderOpts(opts)
 	fmsg := fmt.Sprintf("ERROR: %s", msg)
-	return equal(makeBanner('*', fmsg))
+	styles := libglossDefaults(style.StylesNotHidden{
+		Border:           "double",
+		Align:            "center",
+		Padding:          "1 3",
+		Foreground:       "#D00",
+		BorderForeground: "#D00",
+	})
+	return []check{o.check(makeBanner(styles, fmsg))}
 }
 
-func warned(msg string) []check {
+func warned(msg string, opts ...headerOpt) []check {
+	o := compileHeaderOpts(opts)
 	fmsg := fmt.Sprintf("WARN: %s", msg)
-	return equal(makeBanner('!', fmsg))
+	styles := libglossDefaults(style.StylesNotHidden{
+		Border:           "rounded",
+		Align:            "center",
+		Padding:          "1 3",
+		Foreground:       "#DD0",
+		BorderForeground: "#DD0",
+	})
+
+	return []check{o.check(makeBanner(styles, fmsg))}
+}
+
+func header(msg string, opts ...headerOpt) check {
+	o := compileHeaderOpts(opts)
+	styles := libglossDefaults(style.StylesNotHidden{
+		Border:           "double",
+		Align:            "center",
+		Padding:          "1 3",
+		Foreground:       "45",
+		BorderForeground: "45",
+	})
+	return o.check(makeBanner(styles, msg))
+}
+
+func subheader(msg string, opts ...headerOpt) check {
+	o := compileHeaderOpts(opts)
+	styles := libglossDefaults(style.StylesNotHidden{
+		Border:           "rounded",
+		Align:            "center",
+		Padding:          "0 1",
+		Foreground:       "44",
+		BorderForeground: "44",
+	})
+	return o.check(makeBanner(styles, msg))
+}
+
+func libglossDefaults(styles style.StylesNotHidden) style.StylesNotHidden {
+	if styles.Align == "" {
+		styles.Align = "left"
+	}
+	if styles.Border == "" {
+		styles.Border = "none"
+	}
+	if styles.Margin == "" {
+		styles.Margin = "0 0"
+	}
+	if styles.Padding == "" {
+		styles.Padding = "0 0"
+	}
+	return styles
 }
 
-func makeBanner(ch rune, msg string) string {
-	const span = 4
-	border := strings.Repeat(string(ch), len(msg)+span*2+2)
-	side := strings.Repeat(string(ch), span)
-	return strings.Join([]string{
-		border,
-		side + " " + msg + " " + side,
-		border,
-		side + " 2018-07-18 23:00:00",
-		border,
-	}, "\n") + "\n"
+func makeBanner(styles style.StylesNotHidden, msg string) string {
+	return styles.ToLipgloss().Render(msg+"\n\nat 2018-07-18 23:00:00") + "\n"
 }
 
 func empty() []check {
@@ -57,18 +159,37 @@ func lines(strs ...string) []check {
 }
 
 func contains(str string) check {
-	return func(t assert.TestingT, output string) {
-		assert.Contains(t, output, str)
+	return func(t TestingT, output string, otype outputType) bool {
+		assert.Contains(t, output, str,
+			"The %s does not contain:\n%v",
+			otype, str)
+		return strings.Contains(output, str)
 	}
 }
 
 func equal(str string) []check {
-	return []check{func(t assert.TestingT, output string) {
-		assert.Equal(t, str, output)
+	return []check{func(t TestingT, output string, otype outputType) bool {
+		assert.Equal(t, str, output,
+			"The %s wasn't equal to:\n%v",
+			otype, str)
+		return str == output
 	}}
 }
 
-type check func(t assert.TestingT, output string)
+func dumpOutput(output string, otype outputType) string {
+	label := strings.ToUpper(string(otype))
+	return fmt.Sprintf("\n───── BEGIN %s ─────\n%v────── END %s ──────\n",
+		label, output, label)
+}
+
+type outputType string
+
+const (
+	outputTypeStdout outputType = "stdout"
+	outputTypeStderr outputType = "stderr"
+)
+
+type check func(t TestingT, output string, otype outputType) bool
 
 type testCase struct {
 	name     string
@@ -90,17 +211,26 @@ func (tc testCase) test(sc shellScript) func(t *testing.T) {
 		t.Parallel()
 		code, out, err, src := sc.run(t, tc.testCommands())
 		tc.validRetcode(t, code)
-		for _, chck := range coalesce(tc.stdout, equal("")) {
-			chck(t, out)
-		}
-		for _, chck := range coalesce(tc.stderr, equal("")) {
-			chck(t, err)
+		checkStream := func(output string, otype outputType, checks []check) {
+			success := true
+			for _, chck := range checks {
+				success = success && chck(t, output, otype)
+			}
+			if !success {
+				t.Logf("Printing %s because of failed check:%s", otype,
+					dumpOutput(output, otype))
+			}
 		}
+		checkStream(out, outputTypeStdout, coalesce(tc.stdout, empty()))
+		checkStream(err, outputTypeStderr, coalesce(tc.stderr, empty()))
+
 		if t.Failed() {
-			t.Logf("Retcode: %v", code)
-			t.Logf("Stdout: \n---\n%v---\n", out)
-			t.Logf("Stderr: \n---\n%v---\n", err)
-			t.Logf("Shell script source: \n---\n%v---\n", src)
+			failedScriptPath := path.Join(os.TempDir(),
+				t.Name(),
+				time.Now().Format("20060102-150405")+".bash")
+			require.NoError(t, os.MkdirAll(path.Dir(failedScriptPath), 0o755))
+			require.NoError(t, os.WriteFile(failedScriptPath, []byte(src), 0o755))
+			t.Logf("The script that failed: %s", failedScriptPath)
 		}
 	}
 }
@@ -122,14 +252,15 @@ func (tc testCase) testCommands() []string {
 }
 
 func (tc testCase) validRetcode(t TestingT, gotRetcode int) {
+	label := "Retcode mismatch"
 	if tc.retcode != nil {
-		assert.Equal(t, int(*tc.retcode), gotRetcode)
+		assert.Equal(t, int(*tc.retcode), gotRetcode, label)
 		return
 	}
 	if len(tc.stderr) > 0 {
-		assert.NotEqual(t, 0, gotRetcode)
+		assert.NotEqual(t, 0, gotRetcode, label)
 	} else {
-		assert.Equal(t, 0, gotRetcode)
+		assert.Equal(t, 0, gotRetcode, label)
 	}
 }
 
@@ -145,9 +276,9 @@ func (f fnScriptlet) scriptlet(t TestingT) string {
 
 func newShellScript(scriptlets ...scriptlet) shellScript {
 	return shellScript{
-		append(scriptlets, mockBinary("date", response{
+		append([]scriptlet{mockBinary("date", response{
 			anyArgs{}, simply("2018-07-18 23:00:00"),
-		})),
+		})}, scriptlets...),
 	}
 }
 
@@ -225,7 +356,9 @@ func mockBinary(name string, responses ...response) scriptlet {
 				"fi")
 		}
 		code = append(code,
-			fmt.Sprintf(`echo "%s $*"`, name),
+			// The ghost icon is used to differentiate the mocked command output
+			// from the real one.
+			fmt.Sprintf(`echo "👻 %s $*"`, name),
 			"EOF",
 			fmt.Sprintf(`chmod +x "${TMPPATH}/%s"`, name),
 		)
@@ -263,9 +396,11 @@ func (a anyArgs) String() string {
 func mockGo(responses ...response) scriptlet {
 	lstags := "knative.dev/toolbox/go-ls-tags@latest"
 	modscope := "knative.dev/toolbox/modscope@latest"
+	gum := "github.com/charmbracelet/gum@v0.14.1"
 	callOriginals := []args{
 		startsWith{"run " + lstags},
 		startsWith{"run " + modscope},
+		startsWith{"run " + gum},
 		startsWith{"run ./"},
 		startsWith{"list"},
 		startsWith{"env"},
@@ -280,6 +415,7 @@ func mockGo(responses ...response) scriptlet {
 		prefetchers: []prefetcher{
 			goRunHelpPrefetcher(lstags),
 			goRunHelpPrefetcher(modscope),
+			goRunHelpPrefetcher(gum),
 		},
 	}
 }
@@ -321,6 +457,9 @@ func union(scriptlets ...scriptlet) scriptlet {
 }
 
 type TestingT interface {
+	Cleanup(func())
+	Parallel()
+	Failed() bool
 	TempDir() string
 	Logf(format string, args ...interface{})
 	require.TestingT
@@ -341,7 +480,8 @@ func (s shellScript) run(t TestingT, commands []string) (int, string, string, st
 	c.Dir = rootDir
 	err := c.Run()
 	if err != nil {
-		if _, ok := err.(*exec.ExitError); !ok {
+		var exitError *exec.ExitError
+		if !errors.As(err, &exitError) {
 			require.NoError(t, err)
 		}
 	}
diff --git a/test/unit/update_deps_test.go b/test/unit/update_deps_test.go
index 45057376..26bdb290 100644
--- a/test/unit/update_deps_test.go
+++ b/test/unit/update_deps_test.go
@@ -25,7 +25,6 @@ func TestUpdateDeps(t *testing.T) {
 			contains("Checking licenses"),
 			contains("Removing unwanted vendor files"),
 			contains("go mod tidy"),
-			contains("go mod vendor"),
 			contains("go run github.com/google/go-licenses@v1.6.0 check"),
 		},
 	}, {