fix: container build & shell make targets

Signed-off-by: Vladislav Doster <mvdoster@gmail.com>

Makefile

@@ -1,9 +1,12 @@
 .EXPORT_ALL_VARIABLES:
 
 ZSH := $(shell command -v zsh 2> /dev/null)
+SHELL = $(ZSH)
 SRC := share/{'git-process-output','rpm2cpio'}.zsh zinit{'','-additional','-autoload','-install','-side'}.zsh
 DOC_SRC := $(foreach wrd,$(SRC),../$(wrd))
-HAS_TTY := --tty
+HAS_TTY := $(shell (( $${+GITHUB_ACTIONS} )) && echo '' || echo '--tty')
+
+
 
 .PHONY: all clean container doc doc/container tags tags/emacs tags/vim test zwc
 
@@ -16,7 +19,7 @@ doc: clean ## Generate zinit documentation
 	cd doc; zsh -l -d -f -i -c "zsd -v --scomm --cignore '(\#*FUNCTION:[[:space:]][\+\@\-\:\_\_a-zA-Z0-9]*[\[]*|}[[:space:]]\#[[:space:]][\]]*|\#[[:space:]][\]]*)' $(DOC_SRC); make -C ./zsdoc pdf"
 
 CONTAINER_NAME := zinit
-CONTAINER_CMD := docker run -i --platform=linux/x86_64 --mount=source=$(CONTAINER_NAME)-volume,destination=/root
+CONTAINER_CMD := docker run -i $(HAS_TTY) --platform=linux/x86_64 --mount=source=$(CONTAINER_NAME)-volume,destination=/root
 
 container-build: ## build docker image
 	docker build --file=Dockerfile --platform=linux/x86_64 --tag=$(CONTAINER_NAME):latest .