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#!/usr/bin/env mksh
#-
# Copyright (c) 2014
# Thorsten Glaser <tg@mirbsd.org>
# Copyright (c) 2006
# Thorsten Glaser <tg@freewrt.org>
#
# Derived from the MirPorts Framework "update-patches" script:
#
# Copyright (c) 2003, 2004, 2005
# Thorsten "mirabile" Glaser <tg@MirBSD.de>
# Based upon code and idea (c) 2000
# Marc Espie for the OpenBSD project. All rights reserved.
#
# Provided that these terms and disclaimer and all copyright notices
# are retained or reproduced in an accompanying document, permission
# is granted to deal in this work without restriction, including un-
# limited rights to use, publicly perform, distribute, sell, modify,
# merge, give away, or sublicence.
#
# This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to
# the utmost extent permitted by applicable law, neither express nor
# implied; without malicious intent or gross negligence. In no event
# may a licensor, author or contributor be held liable for indirect,
# direct, other damage, loss, or other issues arising in any way out
# of dealing in the work, even if advised of the possibility of such
# damage or existence of a defect, except proven that it results out
# of said person's immediate fault when using the work as intended.
do_diff() {
local f1=$2/$1
local f2=$3/$1
if [[ ! -e $f1 ]]; then
[[ -d ${f1%/*}/. ]] || mkdir -p "${f1%/*}"
if [[ ! -s $f2 ]]; then
cat <<EOF
--- $f1 (non-existant)
+++ $f2 (empty)
@@ -0,0 +0,0 @@
EOF
return 0
fi
touch -t 197001010000.00 "$f1"
fi
diff -adup "$f1" "$f2"
return $?
}
set -A accounted
set -A edit
TRANSFORM='sed s/[.+]/\\\\&/g'
PATCHDIR=$CURDIR/patches
EXTRADIR=$CURDIR/extra
mkdir -p "$PATCHDIR"
SUBDIST=${WRKDIST##${WRKDIR1}?(/)}
if [[ -n $SUBDIST ]]; then
mv "${WRKDIR1}.orig/${SUBDIST}" "${WRKDIR1}/${SUBDIST}.orig"
D_BASE=${WRKDIR1}
D_SUB=${SUBDIST}
# D_SUBP=$D_SUB
D_SUBP='[^/]*'
D_CMP=$D_SUBP
else
# WRKSRC == WRKDIR
D_BASE=$(dirname "${WRKDIR1}")
D_SUB=$(basename "${WRKDIR1}")
D_SUBP=$D_SUB
D_CMP=
fi
ORGDIST=${D_BASE}/${D_SUB}.orig
if [[ -e $WRKDIST/.patched-newfiles ]]; then
touch "$ORGDIST/.patched-newfiles"
patch_newfiles=1
else
patch_newfiles=0
fi
if [[ -e $WRKDIST/../.autoreconf_done ]]; then
touch "$ORGDIST/.autoreconf_done"
ignore_autoconf=1
else
ignore_autoconf=0
fi
DIFF_FLAGS="-adu -I \"^--- $(print -r -- "$D_SUBP.orig/" | $TRANSFORM)@@ .*\""
DIFF_FLAGS="$DIFF_FLAGS -I \"^\+\+\+ $(print -r -- "$D_SUBP/" | $TRANSFORM)@@ .*\""
(cd "${WRKDIST}"; find . -type f -print0) |&
while IFS= read -p -d '' -r file; do
file=${file#./}
#print -r -- "DEBUG: <$file>" >>/tmp/debug
[[ ! -e $ORGDIST/$file && $patch_newfiles = 0 ]] && continue
if (( ignore_autoconf )); then
[[ $file = configure ]] && continue
[[ $file = missing ]] && continue
[[ $file = depcomp ]] && continue
[[ $file = install-sh ]] && continue
[[ $file = aclocal.m4 ]] && continue
[[ $file = INSTALL ]] && continue
[[ $file = config.h.in ]] && continue
[[ ${file##*/} = Makefile.in ]] && continue
fi
cmp -s "$ORGDIST/$file" "$WRKDIST/$file" && continue
print -ru2 -- "Processing ${file}..."
# look in patchdir for an existing patchfile matching this
cd "$PATCHDIR"
for i in $PATCH_LIST; do
# Ignore non-files, or old backup
[[ ! -f $i || $i = *@(.orig|.rej|~) ]] && continue
# Patch found. Is this the one?
if grep "^[+-][+-][+-] $D_CMP[^/]*/$file " "$i" >/dev/null; then
# Multiple files in the diff?
if [[ $(grep -c "^--- $D_CMP" "$i") -gt 1 || \
$(grep -c "^+++ $D_CMP" "$i") -gt 1 ]]; then
print -ru2 -- "Cannot process, $i contains patches"
print -ru2 -- "to multiple files! Aborting."
print -n 'FAIL\0'
[[ -n $SUBDIST ]] && mv \
"${WRKDIR1}/${SUBDIST}.orig" \
"${WRKDIR1}.orig/${SUBDIST}"
exit 0
fi
# Multiple diffs with this file?
let n=0
pflst=
for j in $PATCH_LIST; do
[[ ! -f $j || $j = *@(.orig|.rej|~) ]] && \
continue
grep "^[+-][+-][+-] $D_CMP[^/]*/$file " \
"$j" >/dev/null || continue
let n++
pflst="$pflst '$j'"
done
if (( n != 1 )); then
print -ru2 -- "Cannot process, file $file"
print -ru2 -- "is contained in multiple patches:"
print -ru2 -- "$pflst"
print -n 'FAIL\0'
[[ -n $SUBDIST ]] && mv \
"${WRKDIR1}/${SUBDIST}.orig" \
"${WRKDIR1}.orig/${SUBDIST}"
exit 0
fi
# No, process this patch
accounted+=("$i")
# found it, copy preamble before comparision
( sed -e "/^--- /,\$d" <"$i"; \
cd "$D_BASE" && do_diff "$file" "$D_SUB.orig" "$D_SUB" \
) >"$i.new"
# did it change? mark it as changed
tfile=$(print -r -- "$file" | $TRANSFORM)
if eval diff "$(print -r -- "${DIFF_FLAGS}" | sed \
"s#@@#${tfile}#g")" "$i" "$i.new" 1>&2; then
rm "$i.new"
else
print -ru2 -- "Patch $i for $file updated"
mv "$i" "$i.orig"
mv "$i.new" "$i"
edit+=("$i")
fi
continue 2
fi
done
# Build a sensible name for the new patch file
patchname=patch-${file//[\/.- ]/_}
print -ru2 -- "No patch-* found for $file, creating $patchname"
( cd "$D_BASE" && do_diff "$file" "$D_SUB.orig" "$D_SUB" ) >"$patchname"
edit+=("$patchname")
accounted+=("$patchname")
done
# Verify all patches accounted for
cd "$PATCHDIR"
for i in *; do
[[ ! -f $i || $i = *@(.orig|.rej|~) ]] && continue
grep '^\\ No newline at end of file' "$i" >/dev/null && \
print -ru2 -- "*** Patch $i needs manual intervention"
found=0
for j in "${accounted[@]}"; do
[[ $i = "$j" ]] || continue
found=1
break
done
(( found )) || print -ru2 -- "*** Patch $i not accounted for"
done
for i in "${edit[@]}"; do
print -nr -- "$i"
print -n '\0'
done
[[ -n $SUBDIST ]] && mv "${WRKDIR1}/${SUBDIST}.orig" "${WRKDIR1}.orig/${SUBDIST}"
exit 0
|
