gdb/import-fedora.sh

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#!/bin/bash
# Fedora Packages not copied:
#
skip_patches=(
# Not applicable for openSUSE.
gdb-add-index.patch
gdb-6.3-rh-testversion-20041202.patch
gdb-6.6-buildid-locate-misleading-warning-missing-debuginfo-rhbz981154.patch
gdb-6.8-bz466901-backtrace-full-prelinked.patch
gdb-container-rh-pkg.patch
# Broken.
# Over-specific test-case in a shell script.
gdb-6.5-BEA-testsuite.patch
# Hangs for horizontal-scroll-mode on, times out after 10 minutes.
gdb-6.5-readline-long-line-crash-test.patch
# Fragile test-case, requires glibc to fail in a certain way.
gdb-rhbz1156192-recursive-dlopen-test.patch
# Obsolete (dropped by fedora).
gdb-6.7-charsign-test.patch
gdb-test-ivy-bridge.patch
gdb-ppc-power7-test.patch
gdb-6.3-bz140532-ppc-unwinding-test.patch
# Obsolete.
gdb-6.7-charsign-test.patch
gdb-6.7-ppc-clobbered-registers-O2-test.patch
)
usage ()
{
echo "usage: $(basename "$0") <fedora package dir> "
}
dir="$1"
if [ ! -f "$dir"/_patch_order ]; then
usage
exit 1
fi
mark1="^#Fedora Packages begin"
mark2="^#Fedora Packages end"
mark3="^#Fedora patching start"
mark4="^#Fedora patching end"
remove_current_patches ()
{
# shellcheck disable=SC2207
current_patches=($(awk "/$mark1/,/$mark2/{ print }" gdb.spec \
| grep Patch \
| awk '{print $2}'))
for current_patch in "${current_patches[@]}"; do
rm -f "$current_patch"
done
}
skip ()
{
local p
p="$1"
for skip_patch in "${skip_patches[@]}"; do
if [ "$p" = "$skip_patch" ]; then
return 0
fi
done
return 1
}
import_patches ()
{
# Get the parts of gdb.spec that we want to keep unchanged.
awk "NR==1,/$mark1/" gdb.spec \
> gdb.spec.1
awk "/$mark2/,/$mark3/" gdb.spec \
> gdb.spec.3
awk "/$mark4/,0" gdb.spec \
> gdb.spec.5
# Start generating the parts of gdb.spec that we want to change.
f1=gdb.spec.2
f2=gdb.spec.4
rm -f $f1 $f2
# Handle each fedora patch.
skipped_patches=()
n=1
# shellcheck disable=SC2013
for p in $(cat "$dir"/_patch_order); do
if skip "$p"; then
echo "Skipped: $p"
skipped_patches=("${skipped_patches[@]}" "$p")
# Keep numbers the same as in fedora package.
n=$((n + 1))
continue
fi
cp "$dir"/"$p" .
printf \
"%-16s%s\n" "Patch$n:" "$p" \
>> $f1
echo \
"%patch$n -p1" \
>> $f2
n=$((n + 1))
done
# Report which patches did not get skipped.
for skip_patch in "${skip_patches[@]}"; do
found=false
for skipped_patch in "${skipped_patches[@]}"; do
if [ "$skip_patch" = "$skipped_patch" ]; then
found=true
break
fi
done
if ! $found; then
echo "Not skipped: $skip_patch"
fi
done
# Assemble new gdb.spec.
rm -f gdb.spec.new
for n in $(seq 1 5); do
cat gdb.spec."$n" \
>> gdb.spec.new
done
# Cleanup.
for n in $(seq 1 5); do
rm -f gdb.spec."$n"
done
# Update gdb.spec.
mv gdb.spec.new gdb.spec
}
main ()
{
remove_current_patches
import_patches
}
main "$@"