Proper support for shell input (#189)

* add options for shell

Signed-off-by: kpenfound <kyle@dagger.io>

assemble dagger command in new step with output

Signed-off-by: kpenfound <kyle@dagger.io>

fixing some inline bash

Signed-off-by: kpenfound <kyle@dagger.io>

wrap conditional inputs in quotes

Signed-off-by: kpenfound <kyle@dagger.io>

use cat for heredoc script file

Signed-off-by: kpenfound <kyle@dagger.io>

missing space in heredoc

Signed-off-by: kpenfound <kyle@dagger.io>

add tab ignore and dagger shebang

Signed-off-by: kpenfound <kyle@dagger.io>

use toJson and jq to safely write the shell input to a file

Signed-off-by: kpenfound <kyle@dagger.io>

put DAGGER_COMMAND in a variable

Signed-off-by: kpenfound <kyle@dagger.io>

missing semicolon for the dagger command

Signed-off-by: kpenfound <kyle@dagger.io>

safely evaluate if shell is set

Signed-off-by: kpenfound <kyle@dagger.io>

extra > in shell file write

Signed-off-by: kpenfound <kyle@dagger.io>

add some logging

Signed-off-by: kpenfound <kyle@dagger.io>

strip extra newline from jq when shell is not set

Signed-off-by: kpenfound <kyle@dagger.io>

debugging

Signed-off-by: kpenfound <kyle@dagger.io>

toJSON and jq will send null instead of empty string with no input

Signed-off-by: kpenfound <kyle@dagger.io>

safely handle all inputs

Signed-off-by: kpenfound <kyle@dagger.io>

did i fix the wrong thing?

Signed-off-by: kpenfound <kyle@dagger.io>

change up the approach a bit for an easier diff

Signed-off-by: kpenfound <kyle@dagger.io>

fix shell test

Signed-off-by: kpenfound <kyle@dagger.io>

single quotes around shell input

Signed-off-by: kpenfound <kyle@dagger.io>

try with piped input

Signed-off-by: kpenfound <kyle@dagger.io>

try single quotes again

Signed-off-by: kpenfound <kyle@dagger.io>

debug

Signed-off-by: kpenfound <kyle@dagger.io>

debug

Signed-off-by: kpenfound <kyle@dagger.io>

fix shell test

Signed-off-by: kpenfound <kyle@dagger.io>

does shell emit a newline?

Signed-off-by: kpenfound <kyle@dagger.io>

remove the trailing newline if its in stdout

Signed-off-by: kpenfound <kyle@dagger.io>

break the trailing output test

Signed-off-by: kpenfound <kyle@dagger.io>

fix shell test

Signed-off-by: kpenfound <kyle@dagger.io>

missed !

Signed-off-by: kpenfound <kyle@dagger.io>

add comment about weird test

Signed-off-by: kpenfound <kyle@dagger.io>

* use echo -n in shell test

Signed-off-by: kpenfound <kyle@dagger.io>

---------

Signed-off-by: kpenfound <kyle@dagger.io>

action.yml

@@ -40,6 +40,10 @@ inputs:
     description: "Function and arguments for dagger call"
     required: false
     default: ""
+  shell:
+    description: "Function and arguments for dagger shell"
+    required: false
+    default: ""
 outputs:
   output:
     description: "Job output"
@@ -75,8 +79,25 @@ runs:
         curl -fsS https://dl.dagger.io/dagger/install.sh \
         | BIN_DIR=${prefix_dir}/bin DAGGER_VERSION="$VERSION" DAGGER_COMMIT="$COMMIT" sh
 
+    - id: assemble
+      if: inputs.call != '' || inputs.shell != '' || inputs.args != ''
+      shell: bash
+      env:
+        INPUT_MODULE: ${{ inputs.module }}
+      run: |
+        verb=${{ inputs.verb }}
+        shell=$(echo '${{ toJSON(inputs.shell) }}' | jq -rj .)
+        if [[ -n "${{ inputs.call }}" ]]; then
+          verb="call"
+        elif [[ "$shell" != "" ]]; then
+          verb=""
+          script=$(mktemp)
+          printf '%s' "$shell" > $script
+        fi
+        echo "script=$script" >> "$GITHUB_OUTPUT"
+        echo "verb=$verb" >> "$GITHUB_OUTPUT"
     - id: exec
-      if: inputs.call != '' || inputs.args != ''
+      if: inputs.call != '' || inputs.shell != '' || inputs.args != ''
       shell: bash
       env:
         INPUT_MODULE: ${{ inputs.module }}
@@ -87,9 +108,9 @@ runs:
         DAGGER_CLOUD_TOKEN=${{ inputs.cloud-token }} \
         dagger \
         ${{ inputs.dagger-flags }} \
-        ${{ inputs.verb }} \
+        ${{ steps.assemble.outputs.verb }} \
         ${INPUT_MODULE:+-m $INPUT_MODULE} \
-        ${{ inputs.args || inputs.call }}; } 1> >(tee "${tmpout}") 2> >(tee "${tmperr}" >&2)
+        ${{ inputs.args || inputs.call || steps.assemble.outputs.script }}; } 1> >(tee "${tmpout}") 2> >(tee "${tmperr}" >&2)
 
         {
           # we need a delim that doesn't appear in the output - a hash of the