Add simple entrypoint for "docker run julia -e 42" etc

.gitattributes

@@ -1,2 +1,3 @@
 /*/**/Dockerfile            linguist-generated
+/*/**/docker-entrypoint.sh  linguist-generated
 /Dockerfile*.template       linguist-language=Dockerfile

1.6/alpine3.15/Dockerfile

@@ -54,4 +54,6 @@ RUN set -eux; \
 # smoke test
 	julia --version
 
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["julia"]

1.6/alpine3.15/docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+# first arg is `-e` or `--some-option` (docker run julia -e '42')
+# ... is a "*.jl" file                 (docker run -v ...:/my/file.jl:ro julia /my/file.jl)
+# ... or there are no args
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ] || [ "${1%.jl}" != "$1" ]; then
+	exec julia "$@"
+fi
+
+exec "$@"

1.6/alpine3.16/Dockerfile

@@ -54,4 +54,6 @@ RUN set -eux; \
 # smoke test
 	julia --version
 
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["julia"]

1.6/alpine3.16/docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+# first arg is `-e` or `--some-option` (docker run julia -e '42')
+# ... is a "*.jl" file                 (docker run -v ...:/my/file.jl:ro julia /my/file.jl)
+# ... or there are no args
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ] || [ "${1%.jl}" != "$1" ]; then
+	exec julia "$@"
+fi
+
+exec "$@"

1.6/bullseye/Dockerfile

@@ -85,4 +85,6 @@ RUN set -eux; \
 # smoke test
 	julia --version
 
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["julia"]

1.6/bullseye/docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+# first arg is `-e` or `--some-option` (docker run julia -e '42')
+# ... is a "*.jl" file                 (docker run -v ...:/my/file.jl:ro julia /my/file.jl)
+# ... or there are no args
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ] || [ "${1%.jl}" != "$1" ]; then
+	exec julia "$@"
+fi
+
+exec "$@"

1.6/buster/Dockerfile

@@ -85,4 +85,6 @@ RUN set -eux; \
 # smoke test
 	julia --version
 
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["julia"]

1.6/buster/docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+# first arg is `-e` or `--some-option` (docker run julia -e '42')
+# ... is a "*.jl" file                 (docker run -v ...:/my/file.jl:ro julia /my/file.jl)
+# ... or there are no args
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ] || [ "${1%.jl}" != "$1" ]; then
+	exec julia "$@"
+fi
+
+exec "$@"

1.8/alpine3.15/Dockerfile

@@ -54,4 +54,6 @@ RUN set -eux; \
 # smoke test
 	julia --version
 
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["julia"]

1.8/alpine3.15/docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+# first arg is `-e` or `--some-option` (docker run julia -e '42')
+# ... is a "*.jl" file                 (docker run -v ...:/my/file.jl:ro julia /my/file.jl)
+# ... or there are no args
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ] || [ "${1%.jl}" != "$1" ]; then
+	exec julia "$@"
+fi
+
+exec "$@"

1.8/alpine3.16/Dockerfile

@@ -54,4 +54,6 @@ RUN set -eux; \
 # smoke test
 	julia --version
 
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["julia"]

1.8/alpine3.16/docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+# first arg is `-e` or `--some-option` (docker run julia -e '42')
+# ... is a "*.jl" file                 (docker run -v ...:/my/file.jl:ro julia /my/file.jl)
+# ... or there are no args
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ] || [ "${1%.jl}" != "$1" ]; then
+	exec julia "$@"
+fi
+
+exec "$@"

1.8/bullseye/Dockerfile

@@ -81,4 +81,6 @@ RUN set -eux; \
 # smoke test
 	julia --version
 
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["julia"]

1.8/bullseye/docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+# first arg is `-e` or `--some-option` (docker run julia -e '42')
+# ... is a "*.jl" file                 (docker run -v ...:/my/file.jl:ro julia /my/file.jl)
+# ... or there are no args
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ] || [ "${1%.jl}" != "$1" ]; then
+	exec julia "$@"
+fi
+
+exec "$@"

1.8/buster/Dockerfile

@@ -81,4 +81,6 @@ RUN set -eux; \
 # smoke test
 	julia --version
 
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["julia"]

1.8/buster/docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+# first arg is `-e` or `--some-option` (docker run julia -e '42')
+# ... is a "*.jl" file                 (docker run -v ...:/my/file.jl:ro julia /my/file.jl)
+# ... or there are no args
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ] || [ "${1%.jl}" != "$1" ]; then
+	exec julia "$@"
+fi
+
+exec "$@"

Dockerfile-linux.template

@@ -126,4 +126,6 @@ RUN set -eux; \
 # smoke test
 	julia --version
 
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["julia"]

apply-templates.sh

@@ -52,6 +52,7 @@ for version; do
 
 			*)
 				template='Dockerfile-linux.template'
+				cp -a docker-entrypoint.sh "$version/$dir/"
 				;;
 		esac
 

docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+# first arg is `-e` or `--some-option` (docker run julia -e '42')
+# ... is a "*.jl" file                 (docker run -v ...:/my/file.jl:ro julia /my/file.jl)
+# ... or there are no args
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ] || [ "${1%.jl}" != "$1" ]; then
+	exec julia "$@"
+fi
+
+exec "$@"