import redhat-rpm-config-123-1.el8
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@ -70,13 +70,17 @@ done
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cd "$RPM_BUILD_ROOT"
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trim() {
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printf '%s' "$*"
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}
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# Large packages such as kernel can have thousands of executable files.
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# We take care to not fork/exec thousands of "file"s and "grep"s,
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# but run just two of them.
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# (Take care to exclude filenames which would mangle "file" output).
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find -executable -type f ! -path '*:*' ! -path $'*\n*' \
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| file -N --mime-type -f - \
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| grep -P ".+(?=: text/)" \
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| {
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fail=0
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while IFS= read -r -d $'\0' f; do
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file -N --mime-type "$f" | grep -q -P ".+(?=: text/)" || continue
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while IFS= read -r line; do
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f=${line%%:*}
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# Remove the dot
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path="${f#.}"
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@ -88,24 +92,34 @@ while IFS= read -r -d $'\0' f; do
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echo "$path" | grep -q -E -f "$exclude_files_from" && continue
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fi
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ts=$(stat -c %y "$f")
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read shebang_line < "$f" || :
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orig_shebang=$(trim $(echo "$shebang_line" | grep -Po "#!\K.*" || echo))
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shebang="$orig_shebang"
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if [ -n "$exclude_shebangs" ]; then
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echo "$shebang" | grep -q -E "$exclude_shebangs" && continue
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fi
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if [ -n "$exclude_shebangs_from" ]; then
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echo "$shebang" | grep -q -E -f "$exclude_shebangs_from" && continue
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fi
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if [ -z "$shebang" ]; then
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echo >&2 "*** WARNING: $f is executable but has empty or no shebang, removing executable bit"
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read shebang_line < "$f"
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orig_shebang="${shebang_line#\#!}"
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if [ "$orig_shebang" = "$shebang_line" ]; then
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echo >&2 "*** WARNING: $f is executable but has no shebang, removing executable bit"
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ts=$(stat -c %y "$f")
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chmod -x "$f"
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touch -d "$ts" "$f"
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continue
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elif [ -n "${shebang##/*}" ]; then
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fi
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# Trim spaces
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while shebang="${orig_shebang// / }"; [ "$shebang" != "$orig_shebang" ]; do
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orig_shebang="$shebang"
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done
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# Treat "#! /path/to " as "#!/path/to"
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orig_shebang="${orig_shebang# }"
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shebang="$orig_shebang"
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if [ -z "$shebang" ]; then
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echo >&2 "*** WARNING: $f is executable but has empty shebang, removing executable bit"
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ts=$(stat -c %y "$f")
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chmod -x "$f"
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touch -d "$ts" "$f"
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continue
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fi
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if [ -n "${shebang##/*}" ]; then
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echo >&2 "*** ERROR: $f has shebang which doesn't start with '/' ($shebang)"
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fail=1
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continue
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@ -134,11 +148,13 @@ while IFS= read -r -d $'\0' f; do
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echo >&2 "*** ERROR: ambiguous python shebang in $path: #!$orig_shebang. Change it to python3 (or python2) explicitly."
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fail=1
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elif [ "#!$shebang" != "#!$orig_shebang" ]; then
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sed -i -e "1c #!$shebang" "$f"
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echo "mangling shebang in $path from $orig_shebang to #!$shebang"
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ts=$(stat -c %y "$f")
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sed -i -e "1c #!$shebang" "$f"
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touch -d "$ts" "$f"
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fi
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touch -d "$ts" "$f"
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done < <(find -executable -type f -print0)
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done
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exit $fail
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}
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@ -1,17 +1,28 @@
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#!/bin/sh +x
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# Kernel build can have many thousands of modules.
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# kmod.prov is run for every one of them.
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# Try to make this script run as fast as we can.
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# For example, use shell string ops instead of external programs
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# where possible.
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IFS=$'\n'
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for i in $(grep -E '(/lib/modules/.*\.ko|/lib/modules/.*/modules.builtin)');
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do
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kmod=$(basename $i | sed -e 's/.[xg]z//');
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read -r fname || exit
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if [ $kmod == "modules.builtin" ]; then
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for j in $(cat $i); do
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j=$(basename $j);
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echo "kmod($j)"
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done
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else
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echo "kmod($kmod)"
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fi
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done
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# Only process files from .../lib/modules/... subtree
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[ "${fname#*/lib/modules/*}" != "$fname" ] || exit 0
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kmod=${fname##*/} # like basename, but faster
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if [ "$kmod" = "modules.builtin" ]; then
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for j in $(cat -- "$fname"); do
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echo "kmod(${j##*/})"
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done
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exit 0
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fi
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kmod=${kmod%.gz}
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kmod=${kmod%.xz}
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if [ "${kmod%.ko}" != "$kmod" ]; then
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echo "kmod($kmod)"
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fi
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@ -157,7 +157,7 @@ print(result)
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%__brp_strip /usr/lib/rpm/brp-strip %{__strip}
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%__brp_strip_comment_note /usr/lib/rpm/brp-strip-comment-note %{__strip} %{__objdump}
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%__brp_strip_static_archive /usr/lib/rpm/brp-strip-static-archive %{__strip}
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%__brp_python_bytecompile /usr/lib/rpm/brp-python-bytecompile %{?_python_bytecompile_errors_terminate_build}
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%__brp_python_bytecompile /usr/lib/rpm/brp-python-bytecompile "" %{?_python_bytecompile_errors_terminate_build}
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%__brp_python_hardlink /usr/lib/rpm/brp-python-hardlink
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# __brp_mangle_shebangs_exclude - shebangs to exclude
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# __brp_mangle_shebangs_exclude_file - file from which to get shebangs to exclude
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@ -6,7 +6,7 @@
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Summary: Red Hat specific rpm configuration files
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Name: redhat-rpm-config
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Version: 121
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Version: 123
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Release: 1%{?dist}
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# No version specified.
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License: GPL+
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@ -198,6 +198,13 @@ install -p -m 755 %{SOURCE21} %{buildroot}%{_rpmconfigdir}/kabi.sh
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%{_rpmconfigdir}/macros.d/macros.kmp
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%changelog
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* Tue Jun 16 2020 Florian Festi <ffesti@redhat.com> - 123-1
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- Update kmod.prov for better performance (#1794491)
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- Backport performance improvements for brp-mangle-shebangs (#1794779)
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* Mon Feb 24 2020 Michal Domonkos <mdomonko@redhat.com> - 122-1
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- Fix argument shift in %%__brp_python_bytecompile (#1724567)
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* Tue Nov 26 2019 Eugene Syromiatnikov <esyr@redhat.com> - 121-1
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- macros.kmp: add post-install hooks for kmod processing (#1664478, #1673200)
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