fix(init): address shellcheck recommendations

Author: mroth

commands/inits/data/git_wrapper.sh

@@ -6,12 +6,13 @@ unalias git > /dev/null 2>&1
 unset -f git > /dev/null 2>&1
 
 # Use the full path to git to avoid infinite loop with git function
-export SCMPUFF_GIT_CMD="$(\which git)"
+SCMPUFF_GIT_CMD="$(\which git)"
+export SCMPUFF_GIT_CMD
 
 # Wrap git with the 'hub' github wrapper, if installed
 if type hub > /dev/null 2>&1; then export SCMPUFF_GIT_CMD="hub"; fi
 
-function git() {
+git() {
   case $1 in
     commit|blame|log|rebase|merge)
       scmpuff exec -- "$SCMPUFF_GIT_CMD" "$@";;

commands/inits/data/status_shortcuts.sh

@@ -9,7 +9,7 @@ scmpuff_status() {
   # Run scmpuff status, store output
   # (`local` needs to be on its own line otherwise exit code is swallowed!)
   local cmd_output
-  cmd_output="$(/usr/bin/env scmpuff status --filelist $@)"
+  cmd_output=$(/usr/bin/env scmpuff status --filelist "$@")
 
   # if there was an error, exit prematurely, and pass along the exit code
   # (STDOUT was swallowed but not STDERR, so user should still see error msg)
@@ -19,17 +19,19 @@ scmpuff_status() {
   fi
 
   # Fetch list of files (from first line of script output)
+  local files
   files="$(echo "$cmd_output" | head -n 1)"
 
   # Export numbered env variables for each file
   scmpuff_clear_vars
-  IFS=$'\t'
+  IFS=$(printf '\t')
   local e=1
+  local file
   for file in $files; do
     export $scmpuff_env_char$e="$file"
-    let e++
+    e=$((e+1))
   done
-  IFS=$' \t\n'
+  IFS=$(printf ' \t\n')
 
   # Print status (from line two onward)
   echo "$cmd_output" | tail -n +2
@@ -42,14 +44,14 @@ scmpuff_status() {
 # Clear numbered env variables
 scmpuff_clear_vars() {
   local scmpuff_env_char="e"
-  local i
-
-  for (( i=1; i<=999; i++ )); do
-    local env_var_i=${scmpuff_env_char}${i}
-    if [[ -n ${env_var_i} ]]; then
+  local i=0
+  while [ $i -le 999 ]; do
+    env_var_i=${scmpuff_env_char}${i}
+    if [ -n "$env_var_i" ]; then
       unset ${env_var_i}
     else
       break
     fi
+    i=$((i+1))
   done
 }

features/command_init.feature

@@ -21,7 +21,7 @@ Feature: init command
 
   Scenario Outline: --wrap controls git cmd wrapping in output (default: yes)
     When I successfully run `scmpuff init <flags>`
-    Then the output <should?> contain "function git()"
+    Then the output <should?> contain "git() {"
     Examples:
       | flags              | should?    |
       | -s                 | should     |