Add a run wrapper for windows (#42)

.editorconfig

@@ -4,6 +4,9 @@ root = true
 end_of_line = lf
 insert_final_newline = true
 
+[*.cmd]
+end_of_line = crlf
+
 [*.{sh,bash,bats}]
 indent_style = space
 indent_size = 4

CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Allow override sops version on installation
 
+## [Unreleased]
+
+### Added
+- Better lookup for unix shells on Windows (https://github.com/jkroepke/helm-secrets/pull/42)
+
 ## [3.3.4] - 2020-09-09
 
 ### Added

plugin.yaml

@@ -5,10 +5,10 @@ description: |-
   This plugin provides secrets values encryption for Helm charts secure storing
 useTunnel: false
 hooks:
-  install: "$HELM_PLUGIN_DIR/scripts/install.sh"
-  update: "$HELM_PLUGIN_DIR/scripts/install.sh"
+  install: "$HELM_PLUGIN_DIR/scripts/wrapper/run.cmd $HELM_PLUGIN_DIR/scripts/install.sh"
+  update: "$HELM_PLUGIN_DIR/scripts/wrapper/run.cmd $HELM_PLUGIN_DIR/scripts/install.sh"
 
 command: "$HELM_PLUGIN_DIR/scripts/run.sh"
 platformCommand:
   - os: windows
-    command: "sh $HELM_PLUGIN_DIR/scripts/run.sh"
+    command: "cmd /c $HELM_PLUGIN_DIR/wrapper/sh.cmd $HELM_PLUGIN_DIR/scripts/run.sh"

scripts/drivers/sops.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env sh
 
+_SOPS="${HELM_SECRETS_SOPS_BIN:-sops}"
+
 driver_is_file_encrypted() {
     input="${1}"
 
@@ -12,9 +14,9 @@ driver_encrypt_file() {
     output="${3}"
 
     if [ "${input}" = "${output}" ]; then
-        sops --encrypt --input-type "${type}" --output-type "${type}" --in-place "${input}"
+        $_SOPS --encrypt --input-type "${type}" --output-type "${type}" --in-place "${input}"
     else
-        sops --encrypt --input-type "${type}" --output-type "${type}" --output "${output}" "${input}"
+        $_SOPS --encrypt --input-type "${type}" --output-type "${type}" --output "${output}" "${input}"
     fi
 }
 
@@ -25,15 +27,15 @@ driver_decrypt_file() {
     output="${3:-}"
 
     if [ "${output}" != "" ]; then
-        sops --decrypt --input-type "${type}" --output-type "${type}" --output "${output}" "${input}"
+        $_SOPS --decrypt --input-type "${type}" --output-type "${type}" --output "${output}" "${input}"
     else
-        sops --decrypt --input-type "${type}" --output-type "${type}" "${input}"
+        $_SOPS --decrypt --input-type "${type}" --output-type "${type}" "${input}"
     fi
 }
 
 driver_edit_file() {
     type="${1}"
     input="${2}"
 
-    sops --input-type yaml --output-type yaml "${input}"
+    $_SOPS --input-type yaml --output-type yaml "${input}"
 }

scripts/run.sh

@@ -80,6 +80,11 @@ load_secret_driver() {
 
 load_secret_driver "$SECRET_DRIVER"
 
+# ./run.sh vs bash run.sh
+if [ "$(basename "$1")" = "run.sh" ]; then
+    shift
+fi
+
 while true; do
     case "${1:-}" in
     enc)

scripts/wrapper/run.cmd

@@ -0,0 +1,9 @@
+:; exec "$@" #
+:; exit $? #
+
+:: .bat bash hybrid script
+:: https://stackoverflow.com/a/17623721
+
+@echo off
+%HELM_PLUGIN_DIR%\wrapper\sh.cmd %*
+exit /b

scripts/wrapper/sh.cmd

@@ -0,0 +1,117 @@
+@setlocal enableextensions enabledelayedexpansion
+@echo off
+
+:: If HELM_SECRETS_WINDOWS_SHELL is provided, use it.
+if not "%HELM_SECRETS_WINDOWS_SHELL%"=="" GOTO :ENVSH
+
+
+:: check for cygwin installation or git for windows is inside %PATH%
+"sh" -c exit  >nul 2>&1
+IF %ERRORLEVEL% EQU 0 GOTO :SH
+
+
+:: check for git-bash
+"%programfiles%\Git\bin\bash.exe" -c exit  >nul 2>&1
+IF %ERRORLEVEL% EQU 0 GOTO :GITBASH
+
+
+:: check for git-bash (32-bit)
+"%programfiles(x86)%\Git\bin\bash.exe" -c exit  >nul 2>&1
+IF %ERRORLEVEL% EQU 0 GOTO :GITBASH32
+
+
+:: check git for windows
+where.exe git.exe  >nul 2>&1
+IF %ERRORLEVEL% EQU 0 GOTO :GITBASH_CUSTOM
+:RETURN_GITBASH
+
+
+:: check for wsl
+wsl sh -c exit  >nul 2>&1
+IF %ERRORLEVEL% EQU 0 GOTO :WSL
+
+GOTO :NOSHELL
+
+
+
+:ENVSH
+IF "%HELM_SECRETS_WINDOWS_SHELL%"=="wsl" GOTO :WSL
+
+"%HELM_SECRETS_WINDOWS_SHELL%" "%HELM_PLUGIN_DIR%\scripts\run.sh" %*
+GOTO :EOF
+
+
+
+
+:SH
+"sh" "%HELM_PLUGIN_DIR%\scripts\run.sh" %*
+GOTO :EOF
+
+
+
+
+:GITBASH
+"%programfiles%\Git\bin\bash.exe" "%HELM_PLUGIN_DIR%\scripts\run.sh" %*
+GOTO :EOF
+
+
+
+
+
+:GITBASH32
+"%programfiles(x86)%\Git\bin\bash.exe" "%HELM_PLUGIN_DIR%\scripts\run.sh" %*
+GOTO :EOF
+
+
+
+
+:GITBASH_CUSTOM
+:: CMD output to variable - https://stackoverflow.com/a/6362922/8087167
+FOR /F "tokens=* USEBACKQ" %%F IN (`where.exe git.exe`) DO (
+  SET GIT_FILEPATH=%%F
+)
+
+IF "%GIT_FILEPATH%"=="" GOTO :RETURN_GITBASH
+
+FOR %%F in ("%GIT_FILEPATH%") DO SET GIT_DIRPATH=%%~dpF
+
+:: check for git-bash
+"%GIT_DIRPATH%..\bin\bash.exe" -c exit  >nul 2>&1
+
+IF %ERRORLEVEL% NEQ 0 GOTO :RETURN_GITBASH
+
+"%GIT_DIRPATH%..\bin\bash.exe" "%HELM_PLUGIN_DIR%\scripts\run.sh" %*
+GOTO :EOF
+
+
+
+
+:WSL
+:: Use WSL, but convert all paths (script + arguments) to wsl paths
+SET ARGS=
+
+:: Loop through all parameters - https://stackoverflow.com/a/34019557/8087167
+:LOOP
+if "%1"=="" goto ENDLOOP
+
+:: CMD output to variable - https://stackoverflow.com/a/6362922/8087167
+FOR /F "tokens=* USEBACKQ" %%F IN (`wsl wslpath "%1"`) DO (
+  SET WSLPATH=%%F
+)
+SET ARGS=%ARGS% %WSLPATH%
+
+shift
+goto LOOP
+:ENDLOOP
+
+wsl bash %ARGS%
+GOTO :EOF
+
+
+
+
+:NOSHELL
+:: If no *nix shell found, raise an error.
+echo helm-secrets needs a unix shell. Please install WSL, cygwin or Git for Windows.
+exit /B 1
+GOTO :EOF