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apply_patches: Use globbing instead of file/sort.

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This accomplishes the same thing as a `find ... | sort` but with the
added benefit of clarity and avoiding a call to a subshell.

Additionally drop the -s option from call to patch as it is not POSIX.
This commit is contained in:
Sean Bright
2023-07-06 13:51:32 -04:00
committed by George Joseph
parent 90069a94b0
commit 9ca24c9c2b
4 changed files with 31 additions and 60 deletions
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21
third-party/apply_patches vendored
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@@ -6,8 +6,6 @@ if [ "$1" = "-q" ] ; then
fi
PATCH=${PATCH:-patch}
FIND=${FIND:-find}
SORT=${SORT:-sort}
patchdir=${1:?You must supply a patches directory}
sourcedir=${2?:You must supply a source directory}
@@ -22,15 +20,18 @@ if [ ! -d "$sourcedir" ] ; then
exit 1
fi
patches=$(${FIND} "$patchdir" -name "*.patch" | ${SORT})
if [ x"$patches" = x"" ] ; then
echo "No patches in $patchdir" >&2
exit 0
fi
# Patterns used in filename expansion (globs) are sorted according to the
# current locale, so there is no need to do it explicitly.
for patchfile in "$patchdir"/*.patch ; do
# A glob that doesn't match is not replaced, so we handle that here. We
# should only fail this test if there are no patch files.
[ -f "$patchfile" ] || {
echo "No patches in $patchdir" >&2
exit 0
}
for patchfile in ${patches} ; do
[ -z $quiet ] && echo "Applying patch $(basename $patchfile)"
${PATCH} -d "$sourcedir" -p1 -s -i "$patchfile" || exit 1
[ -z "$quiet" ] && echo "Applying patch $(basename "$patchfile")"
${PATCH} -d "$sourcedir" -p1 -i "$patchfile" >/dev/null || exit 1
done
exit 0