Introduce and use inline die for cases when its not available.

s.a error handing of script's directry detection.

Fixes: #134

Author: matejak

Diff for: ChangeLog

@@ -4,6 +4,7 @@
 Buxfixes:
 
 * `argbash-init` is able to handle empty string as the only argument without being puzzled (#130).
+* Error handling of script working directory detection now more robust (#134).
 
 New features:
 

Diff for: bin/argbash

@@ -246,7 +246,7 @@ handle_passed_args_count
 assign_positional_args 1 "${_positionals[@]}"
 
 # OTHER STUFF GENERATED BY Argbash
-script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" || die "Couldn't determine the script's running directory, which probably matters, bailing out" 2
+script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" || { echo "Couldn't determine the script's running directory, which probably matters, bailing out" >&2; exit 2; }
 # Validation of values
 
 

Diff for: src/stuff.m4

@@ -137,7 +137,7 @@ m4_define([_DEFINE_SCRIPT_DIR], [m4_do(
 	[m4_define([SCRIPT_DIR_DEFINED])],
 	[m4_define([_SCRIPT_DIR_NAME], m4_ifnblank([$1], [[$1]], _DEFAULT_SCRIPTDIR))],
 	[m4_list_append([_OTHER],
-		m4_quote(_SCRIPT_DIR_NAME[="$($2)" || die "Couldn't determine the script's running directory, which probably matters, bailing out" 2]))],
+		m4_quote(_SCRIPT_DIR_NAME[="$($2)" || ]_INLINE_DIE_BLOCK([Couldn't determine the script's running directory, which probably matters, bailing out], 2)))],
 )])
 
 

Diff for: src/utilities.m4

@@ -318,6 +318,14 @@ m4_define([_LIST_LONGEST_TEXT_LENGTH], [m4_do(
 m4_define([_CAPITALIZE], [m4_translit([[$1]], [a-z], [A-Z])])
 
 
+dnl
+dnl $1: The message - will be double-quoted
+dnl $2: The return code (default = 1)
+m4_define([_INLINE_DIE_BLOCK], [m4_do(
+	[[{ echo "$1" >&2; exit ]m4_default_quoted([$2], 1); }],
+)])
+
+
 dnl
 dnl $1: What to underline
 dnl $2: By what to underline