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support/download/check-hash: fix shellcheck errors

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The hash files do not use trailing backslash \ to continue lines, so
we don't want them to be interpreted thusly, so we use 'read -r'
(SC2162).

The h_file is used twice in the same loop, once for reading from it,
and once just to print it, so there is no conflict (SC2094).

Integrer variables need not be quoted (SC2086). In any case, should
there be an actual issue and they be set empty, that would cause a
runtime issue, wether they be quoted or not.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Yann E. MORIN 2024-03-10 00:44:28 +01:00
parent 01b3053cec
commit 9cb421c16f
2 changed files with 6 additions and 3 deletions
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1
.checkpackageignore
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@ -1434,7 +1434,6 @@ support/dependencies/check-host-xzcat.sh Shellcheck
support/dependencies/dependencies.sh Shellcheck
support/download/bzr ConsecutiveEmptyLines Shellcheck
support/download/cargo-post-process Shellcheck
support/download/check-hash Shellcheck
support/download/cvs Shellcheck
support/download/dl-wrapper Shellcheck
support/download/file Shellcheck

8
support/download/check-hash
View File

@ -57,7 +57,7 @@ check_one_hash() {
esac
# Do the hashes match?
_hash=$( ${_h}sum "${_file}" |cut -d ' ' -f 1 )
_hash="$( "${_h}sum" "${_file}" |cut -d ' ' -f 1 )"
if [ "${_hash}" = "${_known}" ]; then
printf "%s: OK (%s: %s)\n" "${base}" "${_h}" "${_hash}"
return 0
@ -78,7 +78,8 @@ nb_checks=0
for h_file in "${h_files[@]}"; do
[ -f "${h_file}" ] || continue
: $((nb_h_files++))
while read t h f; do
# shellcheck disable=SC2094 # we're really reading it only once
while read -r t h f; do
case "${t}" in
''|'#'*)
# Skip comments and empty lines
@ -86,6 +87,7 @@ for h_file in "${h_files[@]}"; do
;;
*)
if [ "${f}" = "${base}" ]; then
# shellcheck disable=SC2094 # we're only printing the h_file filename
check_one_hash "${t}" "${h}" "${file}" "${h_file}"
: $((nb_checks++))
fi
@ -94,11 +96,13 @@ for h_file in "${h_files[@]}"; do
done <"${h_file}"
done
# shellcheck disable=SC2086 # nb_h_files is a non-empty int
if [ ${nb_h_files} -eq 0 ]; then
printf "WARNING: no hash file for %s\n" "${base}" >&2
exit 0
fi
# shellcheck disable=SC2086 # nb_checks is a non-empty int
if [ ${nb_checks} -eq 0 ]; then
case " ${BR_NO_CHECK_HASH_FOR} " in
*" ${base} "*)