diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 12624ac..5d264c1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     - name: Install test dependencies
       run: sudo apt-get update && sudo apt-get install -y bats shellcheck
     - name: Run shellcheck tests
-      run: shellcheck alf setup uninstall
+      run: shellcheck alf setup uninstall test/test_helper.bash
     - name: Run Bats tests
       run: bats --recursive --print-output-on-failure test
 
diff --git a/AGENTS.md b/AGENTS.md
index 81559b2..65219c0 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -15,6 +15,13 @@ This repository is a Bashly-based CLI. Prefer working from the source partials i
   - `src/lib/*.sh`
   - `settings.yml`
 
+## Helper Commands
+
+- `op.conf` is the repo-local source of truth for common helper commands such as
+  testing, ShellCheck, formatting, generation, and docs tasks.
+- Prefer the `op.conf` entries when looking up or running standard project
+  workflows.
+
 ## Generated Artifact Policy
 
 - Only inspect `./alf` when you need to verify generated output, trace a generation issue, or confirm the final emitted behavior.
diff --git a/alf b/alf
index 2a0680c..c7e2aad 100755
--- a/alf
+++ b/alf
@@ -499,8 +499,8 @@ find_config() {
 
 # src/lib/generate_completion.sh
 generate_completions() {
-  ali1_regex="^([a-z0-9\-]+):"
-  ali2_regex="^ +([a-z0-9\-]+):"
+  ali1_regex="^([a-zA-Z0-9\-]+):"
+  ali2_regex="^ +([a-zA-Z0-9\-]+):"
   find_config
 
   echo '# Completions'
@@ -625,7 +625,7 @@ generate_last_cmd() {
 
 # src/lib/has_subcommands.sh
 has_subcommands() {
-  regex="^ +([a-z0-9\-]+):"
+  regex="^ +([a-zA-Z0-9\-]+):"
   find_config
 
   while IFS= read -r line || [ -n "$line" ]; do
@@ -763,7 +763,14 @@ upload_repo() {
 
   pushd "$repo_path" >/dev/null
   echo "Pushing $repo_path to repository"
-  git commit -am "automatic push"
+  git add -A
+
+  if git diff --cached --quiet; then
+    echo "No local changes to commit"
+  else
+    git commit -m "automatic push"
+  fi
+
   git push
   popd >/dev/null
 }
@@ -1449,7 +1456,7 @@ alf_info_parse_requirements() {
 # :command.initialize
 initialize() {
   declare -g version="0.6.1"
-  set -e
+  set -eo pipefail
 
   # src/initialize.sh
   aliases_file=${ALF_ALIASES_FILE:-~/.bash_aliases}
diff --git a/op.conf b/op.conf
index e97b8fe..0bce72a 100644
--- a/op.conf
+++ b/op.conf
@@ -12,7 +12,7 @@ watch: filewatcher --immediate "src/**/*.*" "bashly generate"
 test: bats --recursive --print-output-on-failure --abort "${1:-test}"
 #? Run all tests or a given test
 
-shellcheck: shellcheck alf setup uninstall && green "PASS"
+shellcheck: shellcheck alf setup uninstall test/test_helper.bash && green "PASS"
 #? Run shellcheck
 
 shfmt: shfmt -ci -i 2 -d alf setup uninstall && green "PASS"
diff --git a/settings.yml b/settings.yml
index 47f1dd4..8345ec1 100644
--- a/settings.yml
+++ b/settings.yml
@@ -2,6 +2,7 @@ commands_dir: commands
 enable_view_markers: always
 enable_env_var_names_array: never
 enable_deps_array: never
+strict: set -eo pipefail
 
 usage_colors:
   caption: bold
diff --git a/src/lib/download_repo.sh b/src/lib/download_repo.sh
index 3bdec80..6cdf7c4 100644
--- a/src/lib/download_repo.sh
+++ b/src/lib/download_repo.sh
@@ -1,5 +1,5 @@
 download_repo() {
-  find_config
+  find_config || return 1
 
   if [[ ! -f $rc_file ]]; then
     echo "Cannot find $rc_file"
diff --git a/src/lib/find_config.sh b/src/lib/find_config.sh
index c16e03a..3f83b35 100644
--- a/src/lib/find_config.sh
+++ b/src/lib/find_config.sh
@@ -11,6 +11,6 @@ find_config() {
     echo "You should either:"
     echo "- Run this command in a folder with 'alf.conf' file, or"
     echo "- Run 'alf connect' to properly connect to a remote config"
-    exit 1
+    return 1
   fi
-}
\ No newline at end of file
+}
diff --git a/src/lib/generate_completion.sh b/src/lib/generate_completion.sh
index daeb20f..e6e0958 100644
--- a/src/lib/generate_completion.sh
+++ b/src/lib/generate_completion.sh
@@ -1,7 +1,7 @@
 generate_completions() {
-  ali1_regex="^([a-z0-9\-]+):"
-  ali2_regex="^ +([a-z0-9\-]+):"
-  find_config
+  ali1_regex="^([a-zA-Z0-9\-]+):"
+  ali2_regex="^ +([a-zA-Z0-9\-]+):"
+  find_config || return 1
 
   echo '# Completions'
   echo 'if command -v complete &> /dev/null ; then'
@@ -28,4 +28,3 @@ generate_completions() {
   
   echo 'fi'
 }
-
diff --git a/src/lib/generate_config.sh b/src/lib/generate_config.sh
index 3756588..cfe6e7a 100644
--- a/src/lib/generate_config.sh
+++ b/src/lib/generate_config.sh
@@ -3,7 +3,7 @@ generate_config() {
   state="simple"
   lastcmd=""
   case_open="false"
-  find_config
+  find_config || return 1
 
   echo "# This file was automatically generated by alf"
   echo "# https://github.com/dannyben/alf"
@@ -64,4 +64,3 @@ generate_config() {
     generate_completions
   fi
 }
-
diff --git a/src/lib/has_subcommands.sh b/src/lib/has_subcommands.sh
index da57327..3e69726 100644
--- a/src/lib/has_subcommands.sh
+++ b/src/lib/has_subcommands.sh
@@ -1,7 +1,7 @@
 ## Returns true if the config has subcommands
 has_subcommands() {
-  regex="^ +([a-z0-9\-]+):"
-  find_config
+  regex="^ +([a-zA-Z0-9\-]+):"
+  find_config || return 1
 
   while IFS= read -r line || [ -n "$line" ]; do
     if [[ $line =~ $regex ]]; then
@@ -10,4 +10,4 @@ has_subcommands() {
   done <"$config_file"
 
   return 1
-}
\ No newline at end of file
+}
diff --git a/src/lib/save_config.sh b/src/lib/save_config.sh
index 573f9b8..4da77b9 100644
--- a/src/lib/save_config.sh
+++ b/src/lib/save_config.sh
@@ -1,5 +1,5 @@
 save_config() {
-  find_config
+  find_config || return 1
 
   tilde='~'
   friendly_aliases_file="${aliases_file/#$HOME/$tilde}"
diff --git a/src/lib/show_alias_command.sh b/src/lib/show_alias_command.sh
index a47c582..4708d61 100644
--- a/src/lib/show_alias_command.sh
+++ b/src/lib/show_alias_command.sh
@@ -3,7 +3,7 @@ show_alias_command() {
   local subcode="${2:-}"
   local regex_exact_code regex_exact_subcode cmd1 cmd2
 
-  find_config
+  find_config || return 1
   regex_exact_code="^($code): *(.+)$"
   regex_exact_subcode="^( +)($subcode): *(.+)$"
   cmd1=""
diff --git a/src/lib/show_info.sh b/src/lib/show_info.sh
index c063329..b5e4eae 100644
--- a/src/lib/show_info.sh
+++ b/src/lib/show_info.sh
@@ -1,5 +1,5 @@
 show_info() {
-  find_config
+  find_config || return 1
 
   if [[ -d "$repo_path/.git" ]]; then
     pushd "$repo_path" >/dev/null
diff --git a/src/lib/upload_repo.sh b/src/lib/upload_repo.sh
index 9def189..4c045ce 100644
--- a/src/lib/upload_repo.sh
+++ b/src/lib/upload_repo.sh
@@ -1,5 +1,5 @@
 upload_repo() {
-  find_config
+  find_config || return 1
 
   if [[ ! -f $rc_file ]]; then
     echo "Cannot find $rc_file"
@@ -9,7 +9,14 @@ upload_repo() {
 
   pushd "$repo_path" >/dev/null
   echo "Pushing $repo_path to repository"
-  git commit -am "automatic push"
+  git add -A
+
+  if git diff --cached --quiet; then
+    echo "No local changes to commit"
+  else
+    git commit -m "automatic push"
+  fi
+
   git push
   popd >/dev/null
 }
diff --git a/test/fixtures/generate_completion/with-uppercase-subcommands/alf.conf b/test/fixtures/generate_completion/with-uppercase-subcommands/alf.conf
new file mode 100644
index 0000000..ea7a638
--- /dev/null
+++ b/test/fixtures/generate_completion/with-uppercase-subcommands/alf.conf
@@ -0,0 +1,7 @@
+G: git
+  S: status
+  L: log
+dir: ls
+DC: docker-compose
+  DEPLOY: stack deploy
+  UPD: up -d
diff --git a/test/fixtures/generate_completion/with-uppercase-subcommands/expected.txt b/test/fixtures/generate_completion/with-uppercase-subcommands/expected.txt
new file mode 100644
index 0000000..536c258
--- /dev/null
+++ b/test/fixtures/generate_completion/with-uppercase-subcommands/expected.txt
@@ -0,0 +1,5 @@
+# Completions
+if command -v complete &> /dev/null ; then
+  complete -W "S L" G
+  complete -W "DEPLOY UPD" DC
+fi
diff --git a/test/fixtures/generate_config/with-uppercase-subcommands/alf.conf b/test/fixtures/generate_config/with-uppercase-subcommands/alf.conf
new file mode 100644
index 0000000..ac4d4a6
--- /dev/null
+++ b/test/fixtures/generate_config/with-uppercase-subcommands/alf.conf
@@ -0,0 +1,5 @@
+G: git
+  S: status
+  DEPLOY: !docker stack deploy
+DNS: dig +short
+  CHECK: !host -t ns
diff --git a/test/fixtures/generate_config/with-uppercase-subcommands/expected.sh b/test/fixtures/generate_config/with-uppercase-subcommands/expected.sh
new file mode 100644
index 0000000..88c49ea
--- /dev/null
+++ b/test/fixtures/generate_config/with-uppercase-subcommands/expected.sh
@@ -0,0 +1,38 @@
+# This file was automatically generated by alf
+# https://github.com/dannyben/alf
+
+unalias G 1>/dev/null 2>&1
+G() {
+  case "$1" in
+    S)
+      shift
+      git status "$@"
+      ;;
+    DEPLOY)
+      shift
+      docker stack deploy "$@"
+      ;;
+    *)
+      git "$@"
+      ;;
+  esac
+}
+
+unalias DNS 1>/dev/null 2>&1
+DNS() {
+  case "$1" in
+    CHECK)
+      shift
+      host -t ns "$@"
+      ;;
+    *)
+      dig +short "$@"
+      ;;
+  esac
+}
+
+# Completions
+if command -v complete &> /dev/null ; then
+  complete -W "S DEPLOY" G
+  complete -W "CHECK" DNS
+fi
diff --git a/test/fixtures/has_subcommands/with-uppercase-subcommands/alf.conf b/test/fixtures/has_subcommands/with-uppercase-subcommands/alf.conf
new file mode 100644
index 0000000..a1603c8
--- /dev/null
+++ b/test/fixtures/has_subcommands/with-uppercase-subcommands/alf.conf
@@ -0,0 +1,5 @@
+G: git
+  S: status
+  L: log
+dc: docker-compose
+  DEPLOY: stack deploy
diff --git a/test/lib/generate_completion.bats b/test/lib/generate_completion.bats
index 348f0be..f3f46cd 100644
--- a/test/lib/generate_completion.bats
+++ b/test/lib/generate_completion.bats
@@ -22,6 +22,18 @@ teardown() {
   [ "$output" = "$(cat "$(fixture_path generate_completion/with-subcommands/expected.txt)")" ]
 }
 
+@test "generate_completions preserves uppercase aliases and subcommands" {
+  export ALF_RC_FILE
+  ALF_RC_FILE="$(fixture_path generate_completion/with-uppercase-subcommands/alfrc)"
+  cd "$(fixture_path generate_completion/with-uppercase-subcommands)" || exit 1
+  source_libs find_config generate_completion
+
+  run generate_completions
+
+  [ "$status" -eq 0 ]
+  [ "$output" = "$(cat "$(fixture_path generate_completion/with-uppercase-subcommands/expected.txt)")" ]
+}
+
 @test "generate_completions emits only the wrapper when there are no subcommands" {
   export ALF_RC_FILE
   ALF_RC_FILE="$(fixture_path generate_completion/without-subcommands/alfrc)"
diff --git a/test/lib/generate_config.bats b/test/lib/generate_config.bats
index 72fda1d..1355e1c 100644
--- a/test/lib/generate_config.bats
+++ b/test/lib/generate_config.bats
@@ -34,6 +34,18 @@ teardown() {
   [ "$output" = "$(cat "$(fixture_path generate_config/with-subcommands/expected.sh)")" ]
 }
 
+@test "generate_config emits uppercase nested alias functions and completions" {
+  export ALF_RC_FILE
+  ALF_RC_FILE="$(fixture_path generate_config/with-uppercase-subcommands/alfrc)"
+  cd "$(fixture_path generate_config/with-uppercase-subcommands)" || exit 1
+  source_libs find_config generate_last_cmd has_subcommands generate_completion generate_config
+
+  run generate_config
+
+  [ "$status" -eq 0 ]
+  [ "$output" = "$(cat "$(fixture_path generate_config/with-uppercase-subcommands/expected.sh)")" ]
+}
+
 @test "generate_config fails when no config can be found" {
   export ALF_RC_FILE
   ALF_RC_FILE="$(fixture_path generate_config/without-config/alfrc)"
diff --git a/test/lib/has_subcommands.bats b/test/lib/has_subcommands.bats
index eb06af3..c23bfe3 100644
--- a/test/lib/has_subcommands.bats
+++ b/test/lib/has_subcommands.bats
@@ -21,6 +21,17 @@ teardown() {
   [ "$?" -eq 0 ]
 }
 
+@test "has_subcommands returns success when nested aliases use uppercase codes" {
+  export ALF_RC_FILE
+  ALF_RC_FILE="$(fixture_path has_subcommands/with-uppercase-subcommands/alfrc)"
+  cd "$(fixture_path has_subcommands/with-uppercase-subcommands)" || exit 1
+  source_libs find_config has_subcommands
+
+  has_subcommands
+
+  [ "$?" -eq 0 ]
+}
+
 @test "has_subcommands returns failure when aliases are flat" {
   export ALF_RC_FILE
   ALF_RC_FILE="$(fixture_path has_subcommands/without-subcommands/alfrc)"
diff --git a/test/lib/save_config.bats b/test/lib/save_config.bats
index 3c9d490..f33e64a 100644
--- a/test/lib/save_config.bats
+++ b/test/lib/save_config.bats
@@ -62,7 +62,7 @@ teardown() {
 
   find_config() {
     echo "ERROR: Cannot find config file"
-    exit 1
+    return 1
   }
 
   generate_config() {
diff --git a/test/lib/upload_repo.bats b/test/lib/upload_repo.bats
index 9f2f41c..46e20ee 100644
--- a/test/lib/upload_repo.bats
+++ b/test/lib/upload_repo.bats
@@ -25,12 +25,44 @@ teardown() {
 
   git() {
     printf '%s\n' "$1" >>"$TEST_ROOT/git.log"
+
+    if [ "$1" = "diff" ]; then
+      return 1
+    fi
   }
 
   upload_repo
 
-  [ "$(sed -n '1p' "$TEST_ROOT/git.log")" = "commit" ]
-  [ "$(sed -n '2p' "$TEST_ROOT/git.log")" = "push" ]
+  [ "$(sed -n '1p' "$TEST_ROOT/git.log")" = "add" ]
+  [ "$(sed -n '2p' "$TEST_ROOT/git.log")" = "diff" ]
+  [ "$(sed -n '3p' "$TEST_ROOT/git.log")" = "commit" ]
+  [ "$(sed -n '4p' "$TEST_ROOT/git.log")" = "push" ]
+}
+
+@test "upload_repo pushes even when there is nothing to commit" {
+  export ALF_RC_FILE="$TEST_ROOT/alfrc"
+  repo_path="$TEST_ROOT/repo"
+  mkdir -p "$repo_path"
+  : >"$ALF_RC_FILE"
+  cd "$TEST_ROOT" || exit 1
+  source_libs upload_repo
+
+  find_config() {
+    :
+  }
+
+  git() {
+    printf '%s\n' "$1" >>"$TEST_ROOT/git.log"
+  }
+
+  run upload_repo
+
+  [ "$status" -eq 0 ]
+  assert_output_contains "No local changes to commit"
+  [ "$(sed -n '1p' "$TEST_ROOT/git.log")" = "add" ]
+  [ "$(sed -n '2p' "$TEST_ROOT/git.log")" = "diff" ]
+  [ "$(sed -n '3p' "$TEST_ROOT/git.log")" = "push" ]
+  [ -z "$(sed -n '4p' "$TEST_ROOT/git.log")" ]
 }
 
 @test "upload_repo fails when no rc file exists" {
diff --git a/test/test_helper.bash b/test/test_helper.bash
index 08648f3..fc281b3 100644
--- a/test/test_helper.bash
+++ b/test/test_helper.bash
@@ -23,7 +23,7 @@ teardown_test_environment() {
 
 assert_output_contains() {
   local expected="$1"
-  [[ "$output" == *"$expected"* ]]
+  [[ "${output-}" == *"$expected"* ]]
 }
 
 fixture_path() {
@@ -47,13 +47,16 @@ unset_functions() {
 source_libs() {
   local lib
 
+  # shellcheck disable=SC1091
   source "$ALF_REPO_ROOT/src/initialize.sh"
 
   for lib in "$@"; do
+    # shellcheck disable=SC1090
     source "$ALF_REPO_ROOT/src/lib/${lib}.sh"
   done
 }
 
 source_command() {
+  # shellcheck disable=SC1090
   source "$ALF_REPO_ROOT/src/commands/${1}.sh"
 }