src: kw_env: Adding verbose mode.

This commit adds support for the verbose parameter within `kw env`.
The verbose parameter gives details of the commands that are executed behind the scenes.

Note: This is part of the issue: kworkflow#179

Signed-off-by: Aquila Macedo <aquilamacedo@riseup.net>

documentation/man/features/env.rst

@@ -11,6 +11,7 @@ SYNOPSIS
 | *kw* (*env*) [(-d | \--destroy <NAME>)]
 | *kw* (*env*) [(-l | \--list)]
 | *kw* (*env*) [(-e | \--exit-env)]
+| *kw* (*env*) [(-v | \--verbose)]
 
 DESCRIPTION
 ===========
@@ -58,6 +59,9 @@ OPTIONS
   and doesn't want to use it anymore, the `--exit-env` option will remove all
   symbolic links and copy the current env's configuration files to the .kw.
 
+-v, \--verbose:
+  Verbose mode allows the user to see the commands executed under the hood.
+
 EXAMPLES
 ========
 If you want to create a new env, you can use::

src/_kw

@@ -244,6 +244,7 @@ _kw_drm()
 _kw_env()
 {
   _arguments : \
+    '(-v --verbose)'{-v,--verbose}'[enable verbose mode]' \
     '(-c --create -u --use -d --destroy -l --list -e --exit-env)'{-c,--create}'[create new env]: : ' \
     '(-u --use -c --create -d --destroy -l --list -e --exit-env)'{-u,--use}'[change current env to an existing env]: : ' \
     '(-d --destroy -c --create -u --use -l --list -e --exit-env)'{-d,--destroy}'[delete an existing env]: : ' \

src/bash_autocomplete.sh

@@ -70,7 +70,7 @@ function _kw_autocomplete()
   kw_options['drm']='--remote --local --gui-on --gui-off --load-module
                      --unload-module --conn-available --modes --help'
 
-  kw_options['env']='--create --list --use --exit-env'
+  kw_options['env']='--create --list --use --exit-env --verbose'
 
   kw_options['self-update']='--unstable --help'
   kw_options['u']="${kw_options['self-update']}"

src/kw_env.sh

@@ -26,6 +26,8 @@ function env_main()
     exit 22 # EINVAL
   fi
 
+  [[ -n "${options_values['VERBOSE']}" ]] && flag='VERBOSE'
+
   if [[ -n "${options_values['CREATE']}" ]]; then
     create_new_env
     return "$?"
@@ -62,6 +64,9 @@ function use_target_env()
   local target_env="${options_values['USE']}"
   local local_kw_configs="${PWD}/.kw"
   local tmp_trash
+  local cmd
+
+  flag=${flag:-'SILENT'}
 
   if [[ ! -d "${local_kw_configs}/${ENV_DIR}/${target_env}" ]]; then
     return 22 # EINVAL
@@ -76,14 +81,17 @@ function use_target_env()
       # Check if the config file exists before trying to remove it.
       [[ ! -f "${local_kw_configs}/${config}.config" ]] && continue
 
-      mv "${local_kw_configs}/${config}.config" "$tmp_trash"
+      cmd="mv ${local_kw_configs}/${config}.config $tmp_trash"
+      cmd_manager "$flag" "$cmd"
     fi
 
     # Create symbolic link
-    ln --symbolic --force "${local_kw_configs}/${ENV_DIR}/${target_env}/${config}.config" "${local_kw_configs}/${config}.config"
+    cmd="ln --symbolic --force ${local_kw_configs}/${ENV_DIR}/${target_env}/${config}.config ${local_kw_configs}/${config}.config"
+    cmd_manager "$flag" "$cmd"
   done
 
-  touch "${local_kw_configs}/${ENV_CURRENT_FILE}"
+  cmd="touch ${local_kw_configs}/${ENV_CURRENT_FILE}"
+  cmd_manager "$flag" "$cmd"
   printf '%s\n' "$target_env" > "${local_kw_configs}/${ENV_CURRENT_FILE}"
 }
 
@@ -93,6 +101,9 @@ function exit_env()
 {
   local current_env
   local local_kw_configs="${PWD}/.kw"
+  local cmd
+
+  flag=${flag:-'SILENT'}
 
   if [[ ! -f "${local_kw_configs}/${ENV_CURRENT_FILE}" ]]; then
     say 'You are not using any env at the moment'
@@ -108,15 +119,17 @@ function exit_env()
       # will be copied to the .kw folder. We will only need the original files of the
       # current env, the symlinks will be removed as they only point to these original files.
       if [[ -L "${local_kw_configs}/${config}.config" ]]; then
-        rm "${local_kw_configs}/${config}.config"
+        cmd="rm ${local_kw_configs}/${config}.config"
+        cmd_manager "$flag" "$cmd"
       fi
 
       # Check if the config file exists before trying to copy it.
       [[ ! -f "${local_kw_configs}/${ENV_DIR}/${current_env}/${config}.config" ]] && continue
-
-      cp "${local_kw_configs}/${ENV_DIR}/${current_env}/${config}.config" "${local_kw_configs}"
+      cmd="cp ${local_kw_configs}/${ENV_DIR}/${current_env}/${config}.config ${local_kw_configs}"
+      cmd_manager "$flag" "$cmd"
     done
-    rm "${local_kw_configs}/${ENV_CURRENT_FILE}"
+    cmd="rm ${local_kw_configs}/${ENV_CURRENT_FILE}"
+    cmd_manager "$flag" "$cmd"
     success 'You left the environment feature.'
   fi
 }
@@ -138,6 +151,9 @@ function create_new_env()
   local current_env_name
   local output
   local ret
+  local cmd
+
+  flag=${flag:-'SILENT'}
 
   if [[ ! -d "$local_kw_configs" || ! -f "$local_kw_build_config" || ! -f "$local_kw_deploy_config" ]]; then
     complain 'It looks like that you did not setup kw in this repository.'
@@ -146,7 +162,8 @@ function create_new_env()
   fi
 
   # Create envs folder
-  mkdir -p "${local_kw_configs}/${ENV_DIR}"
+  cmd="mkdir -p ${local_kw_configs}/${ENV_DIR}"
+  cmd_manager "$flag" "$cmd"
 
   # Check if the env name was not created
   output=$(find "${local_kw_configs}/${ENV_DIR}" -type d -name "$env_name")
@@ -157,37 +174,45 @@ function create_new_env()
   fi
 
   # Create env folder
-  mkdir -p "${local_kw_configs}/${ENV_DIR}/${env_name}"
+  cmd="mkdir -p ${local_kw_configs}/${ENV_DIR}/${env_name}"
+  cmd_manager "$flag" "$cmd"
 
   # Copy local configs
   for config in "${config_file_list[@]}"; do
     if [[ ! -e "${local_kw_configs}/${config}.config" ]]; then
       say "${config}.config does not exist. Creating a default one."
-      cp "${KW_ETC_DIR}/${config}.config" "${local_kw_configs}/${ENV_DIR}/${env_name}"
+      cmd="cp ${KW_ETC_DIR}/${config}.config ${local_kw_configs}/${ENV_DIR}/${env_name}"
+      cmd_manager "$flag" "$cmd"
     else
-      cp "${local_kw_configs}/${config}.config" "${local_kw_configs}/${ENV_DIR}/${env_name}"
+      cmd="cp ${local_kw_configs}/${config}.config ${local_kw_configs}/${ENV_DIR}/${env_name}"
+      cmd_manager "$flag" "$cmd"
     fi
   done
 
   # Handle build and config folder
-  mkdir -p "${cache_build_path}/${ENV_DIR}/${env_name}"
+  cmd="mkdir -p ${cache_build_path}/${ENV_DIR}/${env_name}"
+  cmd_manager "$flag" "$cmd"
 
   current_env_name=$(get_current_env_name)
   ret="$?"
   # If we already have an env, we should copy the config file from it.
   if [[ "$ret" == 0 ]]; then
-    cp "${cache_build_path}/${ENV_DIR}/${current_env_name}/.config" "${cache_build_path}/${ENV_DIR}/${env_name}/.config"
+    cmd="cp ${cache_build_path}/${ENV_DIR}/${current_env_name}/.config ${cache_build_path}/${ENV_DIR}/${env_name}/.config"
+    cmd_manager "$flag" "$cmd"
     return
   elif [[ -f "${PWD}/.config" ]]; then
-    cp "${PWD}/.config" "${cache_build_path}/${ENV_DIR}/${env_name}"
+    cmd="cp ${PWD}/.config ${cache_build_path}/${ENV_DIR}/${env_name}"
+    cmd_manager "$flag" "$cmd"
     return
   fi
 
   warning "You don't have a config file, get it from default paths"
   if [[ -e /proc/config.gz ]]; then
-    zcat /proc/config.gz > "${cache_build_path}/${ENV_DIR}/${env_name}/.config"
+    cmd="zcat /proc/config.gz > ${cache_build_path}/${ENV_DIR}/${env_name}/.config"
+    cmd_manager "$flag" "$cmd"
   elif [[ -e "/boot/config-$(uname -r)" ]]; then
-    cp "/boot/config-$(uname -r)" "${cache_build_path}/${ENV_DIR}/${env_name}/.config"
+    cmd="cp /boot/config-$(uname -r) ${cache_build_path}/${ENV_DIR}/${env_name}/.config"
+    cmd_manager "$flag" "$cmd"
   else
     warning 'kw was not able to find any valid config file for the new env'
     return 22 # EINVAL
@@ -201,6 +226,9 @@ function destroy_env()
   local cache_build_path="$KW_CACHE_DIR"
   local current_env
   local env_name=${options_values['DESTROY']}
+  local cmd
+
+  flag=${flag:-'SILENT'}
 
   if [[ ! -d "$local_kw_configs" ]]; then
     complain 'It looks like that you did not setup kw in this repository.'
@@ -224,7 +252,8 @@ function destroy_env()
     fi
   fi
 
-  rm -rf "${local_kw_configs:?}/${ENV_DIR}/${env_name}" && rm -rf "${cache_build_path:?}/${ENV_DIR}/${env_name}"
+  cmd="rm -rf ${local_kw_configs:?}/${ENV_DIR}/${env_name} && rm -rf ${cache_build_path:?}/${ENV_DIR}/${env_name}"
+  cmd_manager "$flag" "$cmd"
   success "The \"${env_name}\" environment has been destroyed."
 }
 
@@ -266,8 +295,8 @@ function list_env_available_envs()
 
 function parse_env_options()
 {
-  local long_options='help,list,create:,use:,exit-env,destroy:'
-  local short_options='h,l,c:,u:,e,d:'
+  local long_options='help,list,create:,use:,exit-env,destroy:,verbose'
+  local short_options='h,l,c:,u:,e,d:,v'
   local count
 
   kw_parse "$short_options" "$long_options" "$@" > /dev/null
@@ -284,6 +313,7 @@ function parse_env_options()
   options_values['USE']=''
   options_values['EXIT_ENV']=''
   options_values['DESTROY']=''
+  options_values['VERBOSE']=''
 
   while [[ "$#" -gt 0 ]]; do
     case "$1" in
@@ -322,6 +352,10 @@ function parse_env_options()
         options_values['DESTROY']="$2"
         shift 2
         ;;
+      --verbose | -v)
+        options_values['VERBOSE']=1
+        shift
+        ;;
       --)
         shift
         ;;
@@ -345,5 +379,7 @@ function env_help()
     '  env [-u | --use] <NAME> - Use some specific env' \
     '  env (-c | --create) - Create a new environment' \
     '  env (-e | --exit-env) - Exit environment mode' \
-    '  env (-d | --destroy) - Destroy an environment'
+    '  env (-d | --destroy) - Destroy an environment' \
+    '  env (-v | --verbose) - Show a detailed output'
+
 }