ignore unsupported inherit_errexit

I have a really ancient machine with an even more ancient version of
bash that doesn't support inherit_errexit. Ignore for now, put it back
later.

8 files changed, 57 insertions, 45 deletions

diff --git a/%HOME%/.bash_utils/alternatives.sh b/%HOME%/.bash_utils/alternatives.sh
index 1d10692..3bd4b5f 100644
--- a/%HOME%/.bash_utils/alternatives.sh
+++ b/%HOME%/.bash_utils/alternatives.sh
@@ -9,7 +9,7 @@ alias update-my-alternatives='update-alternatives --quiet --altdir ~/.local/etc/
 
 setup_alternatives_cc() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     gcc_cc="$(  command -v gcc 2> /dev/null )" || return 0
     gcc_cxx="$( command -v g++ 2> /dev/null )" || return 0
@@ -25,7 +25,7 @@ setup_alternatives_cc() (
 
 setup_alternatives() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     command -v update-alternatives > /dev/null 2>&1 || return 0
     mkdir -p -- ~/.local/etc/alternatives ~/.local/var/lib/alternatives
@@ -37,7 +37,7 @@ setup_alternatives
 
 alt_gcc() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     gcc_cc="$( command -v gcc 2> /dev/null )"
     update-my-alternatives --set cc "$gcc_cc"
@@ -45,7 +45,7 @@ alt_gcc() (
 
 alt_clang() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     clang_cc="$( command -v clang 2> /dev/null )"
     update-my-alternatives --set cc "$clang_cc"
diff --git a/%HOME%/.bash_utils/cxx.sh b/%HOME%/.bash_utils/cxx.sh
index 5ad27ca..58470bb 100644
--- a/%HOME%/.bash_utils/cxx.sh
+++ b/%HOME%/.bash_utils/cxx.sh
@@ -35,7 +35,7 @@ _runc_get_absolute_path() {
 
 _runc_usage() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     local prefix="${FUNCNAME[0]}"
     [ "${#FUNCNAME[@]}" -gt 1 ] && prefix="${FUNCNAME[1]}"
@@ -50,7 +50,8 @@ _runc_usage() (
 
 runc() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     local -a c_flags=(${runc_flags[@]+"${runc_flags[@]}"})
     local -a src_files=()
@@ -156,7 +157,7 @@ runc() (
 
 runcxx() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     local -a runc_flags=(${runcxx_flags[@]+"${runcxx_flags[@]}"})
     BASH_ENV=<( declare -p runc_flags ) \
diff --git a/%HOME%/.bash_utils/distr.sh b/%HOME%/.bash_utils/distr.sh
index 7a1996b..1a42afd 100644
--- a/%HOME%/.bash_utils/distr.sh
+++ b/%HOME%/.bash_utils/distr.sh
@@ -10,7 +10,7 @@ sums_name="$( basename -- "$sums_path" )"
 
 _sums_unescape_path() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 1 ]; then
         echo "usage: ${FUNCNAME[0]} PATH" >&2
@@ -25,7 +25,7 @@ _sums_unescape_path() (
 
 sums_list_paths() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     local print_lines=
     local print_sums=
@@ -97,7 +97,8 @@ sums_list_paths() (
 
 sums_add() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     local -A existing
     local -a missing=()
@@ -118,7 +119,8 @@ sums_add() (
 
 sums_add_all() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     local -a paths
 
@@ -132,7 +134,8 @@ sums_add_all() (
 
 sums_add_distr() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     local -a paths
     local path
@@ -156,14 +159,15 @@ sums_add_distr() (
 
 sums_verify() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     sha1sum --check --strict --quiet -- "$sums_path"
 )
 
 sums_remove_missing() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     local dry_run=
 
diff --git a/%HOME%/.bash_utils/file.sh b/%HOME%/.bash_utils/file.sh
index 351b962..c434fdb 100644
--- a/%HOME%/.bash_utils/file.sh
+++ b/%HOME%/.bash_utils/file.sh
@@ -7,7 +7,7 @@
 
 swap_files() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 2 ]; then
         echo "usage: ${FUNCNAME[0]} PATH1 PATH2" >&2
@@ -40,7 +40,7 @@ swap_files() (
 
 pastebin() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 1 ]; then
         echo "usage: ${FUNCNAME[0]} PATH" >&2
diff --git a/%HOME%/.bash_utils/git.sh b/%HOME%/.bash_utils/git.sh
index 23f9ee1..c0aecf4 100644
--- a/%HOME%/.bash_utils/git.sh
+++ b/%HOME%/.bash_utils/git.sh
@@ -10,7 +10,7 @@ alias branch_dirs='git ls-tree -r --name-only HEAD -d'
 
 workdir_is_clean() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     local status
     status="$( git status --porcelain )"
@@ -23,7 +23,8 @@ workdir_is_clean() (
 
 branch_eol_normalized() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     workdir_is_clean
 
@@ -59,7 +60,8 @@ branch_eol_normalized() (
 
 branch_doslint() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     local -a paths
 
@@ -73,7 +75,8 @@ branch_doslint() (
 
 branch_lint() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     local -a paths
 
@@ -87,7 +90,7 @@ branch_lint() (
 
 branch_backup() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     local repo_dir
     repo_dir="$( git rev-parse --show-toplevel )"
@@ -114,7 +117,8 @@ branch_backup() (
 
 git_replace() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     if [ "$#" -ne 2 ]; then
         echo "usage: ${FUNCNAME[0]} STR SUB" 1>&2
@@ -129,7 +133,8 @@ git_replace() (
 
 git_replace_word() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     if [ "$#" -ne 2 ]; then
         echo "usage: ${FUNCNAME[0]} STR SUB" 1>&2
diff --git a/%HOME%/.bash_utils/os.sh b/%HOME%/.bash_utils/os.sh
index d2e4b1c..d0f9017 100644
--- a/%HOME%/.bash_utils/os.sh
+++ b/%HOME%/.bash_utils/os.sh
@@ -65,7 +65,7 @@ os_is_linux() { os_is_ubuntu_like || os_is_arch || os_is_fedora ; }
 
 pkg_list_cygwin() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     cygcheck --check-setup --dump-only \
         | tail -n +3                   \
@@ -76,7 +76,7 @@ pkg_list_cygwin() (
 
 setup_pkg_list_ubuntu() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     local -r initial_status='/var/log/installer/initial-status.gz'
 
@@ -88,7 +88,7 @@ setup_pkg_list_ubuntu() (
 
 user_pkg_list_ubuntu() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     local manual
     manual="$( apt-mark showmanual | sort | uniq )"
@@ -101,7 +101,7 @@ user_pkg_list_ubuntu() (
 
 pkg_list_ubuntu() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     dpkg --get-selections                     \
         | grep --invert-match -- 'deinstall$' \
@@ -113,7 +113,7 @@ pkg_list_ubuntu() (
 
 setup_pkg_list_arch() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     # Assuming you only selected groups 'base and 'base-devel' during
     # installation.
@@ -124,7 +124,7 @@ setup_pkg_list_arch() (
 
 user_pkg_list_arch() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     local manual
     manual="$( pacman -Q --explicit -q | sort )"
@@ -137,7 +137,7 @@ user_pkg_list_arch() (
 
 manual_pkg_list_arch() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     expac '%n %p' | grep 'Unknown Packager'
 )
@@ -150,7 +150,7 @@ pkg_list_arch() {
 
 pkg_list_fedora() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     rpm --queryformat="%{NAME}\n" -qa | sort
 )
@@ -159,7 +159,7 @@ pkg_list_fedora() (
 
 pkg_list() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if os_is_cygwin; then
         pkg_list_cygwin
@@ -177,7 +177,7 @@ pkg_list() (
 
 user_pkg_list() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if os_is_ubuntu_like; then
         user_pkg_list_ubuntu
diff --git a/%HOME%/.bash_utils/path.sh b/%HOME%/.bash_utils/path.sh
index 326cbf7..20c6a31 100644
--- a/%HOME%/.bash_utils/path.sh
+++ b/%HOME%/.bash_utils/path.sh
@@ -11,7 +11,8 @@
 
 path_add() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     [ "$#" -eq 0 ] && return 0
 
diff --git a/%HOME%/.bash_utils/text.sh b/%HOME%/.bash_utils/text.sh
index ea5b1af..cdda01e 100644
--- a/%HOME%/.bash_utils/text.sh
+++ b/%HOME%/.bash_utils/text.sh
@@ -28,7 +28,7 @@ doslint() {
 
 _sed_escape_pattern() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 1 ]; then
         echo "usage: ${FUNCNAME[0]} STR" >&2
@@ -52,7 +52,7 @@ _sed_escape_pattern() (
 
 _sed_escape_substitution() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 1 ]; then
         echo "usage: ${FUNCNAME[0]} STR" >&2
@@ -69,7 +69,7 @@ _sed_escape_substitution() (
 
 file_replace() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -lt 3 ]; then
         echo "usage: ${FUNCNAME[0]} OLD NEW PATH..." >&2
@@ -88,7 +88,7 @@ file_replace() (
 
 file_replace_word() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -lt 3 ]; then
         echo "usage: ${FUNCNAME[0]} OLD NEW PATH..." >&2
@@ -107,7 +107,7 @@ file_replace_word() (
 
 str_replace() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 3 ]; then
         echo "usage: ${FUNCNAME[0]} STR SUB REP" >&2
@@ -125,7 +125,7 @@ str_replace() (
 
 _bash_escape_pattern() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 1 ]; then
         echo "usage: ${FUNCNAME[0]} STR" >&2
@@ -145,7 +145,7 @@ _bash_escape_pattern() (
 
 str_contains() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 2 ]; then
         echo "usage: ${FUNCNAME[0]} STR SUB" >&2
@@ -163,7 +163,7 @@ str_contains() (
 
 str_starts_with() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 2 ]; then
         echo "usage: ${FUNCNAME[0]} STR SUB" >&2
@@ -181,7 +181,7 @@ str_starts_with() (
 
 str_ends_with() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -ne 2 ]; then
         echo "usage: ${FUNCNAME[0]} STR SUB" >&2
@@ -199,7 +199,8 @@ str_ends_with() (
 
 str_split() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit lastpipe
+    shopt -s inherit_errexit 2> /dev/null || true
+    shopt -s lastpipe
 
     local fmt='%s\n'
     local -a args
@@ -254,7 +255,7 @@ str_split() (
 
 str_join() (
     set -o errexit -o nounset -o pipefail
-    shopt -s inherit_errexit
+    shopt -s inherit_errexit 2> /dev/null || true
 
     if [ "$#" -lt 1 ]; then
         echo "usage: ${FUNCNAME[0]} DELIM [STR]..." >&2