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Slight improvement to bin/gen-status.sh

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Rather than do 'stat' or 'ls' do type -P on the tools and check that
they exist (or that the variables are not empty), exiting with a fatal
error (and exit code 5) if either are empty. The variables are used in
the script instead of the raw or literal 'stat' and 'ls'.
This commit is contained in:
Cody Boone Ferguson committed 2024-05-27 10:02:22 -07:00
1 parent 743e21d7fb
commit 128b8b74c5
1 file changed
+24 -12
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bin/gen-status.sh
+24 -12
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@@ -111,6 +111,18 @@ if [[ -z "$JPARSE_TOOL" ]]; then
echo "$0: FATAL: jparse tool is not installed or not in \$PATH" 1>&2
exit 5
fi
STAT_TOOL=$(type -P stat)
if [[ -z "$STAT_TOOL" ]]; then
echo "$0: FATAL: stat tool is not installed or not in \$PATH" 1>&2
exit 5
fi
LS_TOOL=$(type -P ls)
if [[ -z "$LS_TOOL" ]]; then
echo "$0: FATAL: ls tool is not installed or not in \$PATH" 1>&2
exit 5
fi
export IOCCC_STATUS_VERSION="1.0 2024-03-09"
#
export NOOP=
@@ -153,11 +165,11 @@ function output_modtime
# macOS stat
#
macos_stat)
TZ=UTC stat -f '%Sm' -t '%FT%T+00:00' "$FILENAME"
TZ=UTC "$STAT_TOOL" -f '%Sm' -t '%FT%T+00:00' "$FILENAME"
status="$?"
if [[ $status -ne 0 ]]; then
echo "$0: ERROR: in output_modtime:" \
"TZ=UTC stat -f '%Sm' -t '%FT%T+00:00' $FILENAME failed, error code: $status" 1>&2
"TZ=UTC $STAT_TOOL -f '%Sm' -t '%FT%T+00:00' $FILENAME failed, error code: $status" 1>&2
exit 1
fi
;;
@@ -165,12 +177,12 @@ function output_modtime
# RHEL Linux stat
#
RHEL_stat)
TZ=UTC stat -c '%y' "$FILENAME" | sed -e 's/ /T/' -e 's/\.[0-9]* //' -e 's/\([0-9][0-9]\)$/:&/'
TZ=UTC "$STAT_TOOL" -c '%y' "$FILENAME" | sed -e 's/ /T/' -e 's/\.[0-9]* //' -e 's/\([0-9][0-9]\)$/:&/'
status0="${PIPESTATUS[0]}"
status1="${PIPESTATUS[1]}"
if [[ $status0 -ne 0 || $status1 -ne 0 ]]; then
echo "$0: ERROR: in output_modtime:" \
"TZ=UTC stat -c '%y' $FILENAME | sed .. failed, error codes: $status0 and $status1" 1>&2
"TZ=UTC $STAT_TOOL -c '%y' $FILENAME | sed .. failed, error codes: $status0 and $status1" 1>&2
exit 1
fi
;;
@@ -181,12 +193,12 @@ function output_modtime
# SC2012 (info): Use find instead of ls to better handle non-alphanumeric filenames.
# https://www.shellcheck.net/wiki/SC2012
# shellcheck disable=SC2012
TZ=UTZ ls -D '%FT%T+00:00' -ld "$FILENAME" | awk '{print $6;}'
TZ=UTZ "$LS_TOOL" -D '%FT%T+00:00' -ld "$FILENAME" | awk '{print $6;}'
status0="${PIPESTATUS[0]}"
status1="${PIPESTATUS[1]}"
if [[ $status0 -ne 0 || $status1 -ne 0 ]]; then
echo "$0: ERROR: in output_modtime:" \
"TZ=UTZ ls -D '%FT%T+00:00' -ld $FILENAME | awk .. failed, error codes: $status0 and $status1" 1>&2
"TZ=UTZ $LS_TOOL -D '%FT%T+00:00' -ld $FILENAME | awk .. failed, error codes: $status0 and $status1" 1>&2
exit 1
fi
;;
@@ -687,12 +699,12 @@ export NEXT_DIR="next"
#
# TZ=UTC stat -f '%Sm' -t '%FT%T+00:00' filename
#
TZ=UTC stat -f '%Sm' -t '%FT%T+00:00' "$TOP_FILE" > /dev/null 2>&1
TZ=UTC "$STAT_TOOL" -f '%Sm' -t '%FT%T+00:00' "$TOP_FILE" > /dev/null 2>&1
status="$?"
if [[ $status -eq 0 ]]; then
MODTIME_METHOD="macos_stat"
if [[ $V_FLAG -ge 5 ]]; then
echo "$0: debug[5]: TZ=UTC stat -f '%Sm' -t '%FT%T+00:00' works, MODTIME_METHOD: $MODTIME_METHOD" 1>&2
echo "$0: debug[5]: TZ=UTC $STAT_TOOL -f '%Sm' -t '%FT%T+00:00' works, MODTIME_METHOD: $MODTIME_METHOD" 1>&2
fi
else
@@ -703,12 +715,12 @@ else
#
# NOTE: We only need to test the stat command.
#
TZ=UTC stat -c '%y' "$TOP_FILE" > /dev/null 2>&1
TZ=UTC "$STAT_TOOL" -c '%y' "$TOP_FILE" > /dev/null 2>&1
status="$?"
if [[ $status -eq 0 ]]; then
MODTIME_METHOD="RHEL_stat"
if [[ $V_FLAG -ge 5 ]]; then
echo "$0: debug[5]: TZ=UTC stat -c '%y' works, MODTIME_METHOD: $MODTIME_METHOD" 1>&2
echo "$0: debug[5]: TZ=UTC $STAT_TOOL -c '%y' works, MODTIME_METHOD: $MODTIME_METHOD" 1>&2
fi
else
@@ -717,12 +729,12 @@ else
#
# TZ=UTZ ls -D '%FT%T+00:00' -ld
#
TZ=UTZ ls -D '%FT%T+00:00' -ld "$TOP_FILE" > /dev/null 2>&1
TZ=UTZ "$LS_TOOL" -D '%FT%T+00:00' -ld "$TOP_FILE" > /dev/null 2>&1
status="$?"
if [[ $status -eq 0 ]]; then
MODTIME_METHOD="ls_D"
if [[ $V_FLAG -ge 5 ]]; then
echo "$0: debug[5]: TZ=UTZ ls -D '%FT%T+00:00' -ld works, MODTIME_METHOD: $MODTIME_METHOD" 1>&2
echo "$0: debug[5]: TZ=UTZ $LS_TOOL -D '%FT%T+00:00' -ld works, MODTIME_METHOD: $MODTIME_METHOD" 1>&2
fi
else