252 строки
6.7 KiB
Bash
Executable File
252 строки
6.7 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2009 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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# This script merges changes from the master copy of the Go library
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# into the libgo library. This does the easy stuff; the hard stuff is
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# left to the user.
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# The file MERGE should hold the Git revision number of the last
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# revision which was merged into these sources. Given that, and given
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# the current sources, we can run the usual diff3 algorithm to merge
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# all changes into our sources.
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set -e
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TMPDIR=${TMPDIR:-/tmp}
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OLDDIR=${TMPDIR}/libgo-merge-old
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NEWDIR=${TMPDIR}/libgo-merge-new
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if ! test -f MERGE; then
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echo 1>&2 "merge.sh: must be run in libgo source directory"
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exit 1
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fi
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rev=weekly
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case $# in
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1) ;;
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2) rev=$2 ;;
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*)
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echo 1>&2 "merge.sh: Usage: merge.sh git-repository [revision]"
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exit 1
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;;
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esac
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repository=$1
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old_rev=`sed 1q MERGE`
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rm -rf ${OLDDIR}
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git clone ${repository} ${OLDDIR}
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(cd ${OLDDIR} && git checkout ${old_rev})
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rm -rf ${NEWDIR}
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git clone ${repository} ${NEWDIR}
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(cd ${NEWDIR} && git checkout ${rev})
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new_rev=`cd ${NEWDIR} && git log | sed 1q | sed -e 's/commit //'`
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merge() {
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name=$1
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old=$2
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new=$3
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libgo=$4
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if test -d ${new}; then
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if ! test -d ${old}; then
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if test -f ${old}; then
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echo 1>&2 "merge.sh: ${name}: FILE BECAME DIRECTORY"
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fi
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fi
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elif ! test -f ${new}; then
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# The file does not exist in the new version.
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if ! test -f ${old}; then
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echo 1>&2 "merge.sh internal error no files $old $new"
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exit 1
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fi
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if ! test -f ${libgo}; then
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# File removed in new version and libgo.
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:;
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else
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echo "merge.sh: ${name}: REMOVED"
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rm -f ${libgo}
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fi
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elif test -f ${old}; then
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# The file exists in the old version.
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if ! test -f ${libgo}; then
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if ! cmp -s ${old} ${new}; then
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echo "merge.sh: $name: skipping: exists in old and new git, but not in libgo"
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fi
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return
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fi
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if cmp -s ${old} ${libgo}; then
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# The libgo file is unchanged from the old version.
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if cmp -s ${new} ${libgo}; then
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# File is unchanged from old to new version.
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return
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fi
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# Update file in libgo.
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echo "merge.sh: $name: updating"
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cp ${new} ${libgo}
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else
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# The libgo file has local changes.
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set +e
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diff3 -m -E ${libgo} ${old} ${new} > ${libgo}.tmp
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status=$?
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set -e
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case $status in
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0)
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echo "merge.sh: $name: updating"
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mv ${libgo}.tmp ${libgo}
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;;
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1)
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echo "merge.sh: $name: CONFLICTS"
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mv ${libgo}.tmp ${libgo}
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;;
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*)
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echo 1>&2 "merge.sh: $name: DIFF3 FAILURE"
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;;
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esac
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fi
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else
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# The file does not exist in the old version.
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if test -f ${libgo}; then
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if ! cmp -s ${new} ${libgo}; then
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echo 1>&2 "merge.sh: $name: IN NEW AND LIBGO BUT NOT OLD"
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fi
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else
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echo "merge.sh: $name: NEW"
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dir=`dirname ${libgo}`
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if ! test -d ${dir}; then
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mkdir -p ${dir}
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fi
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cp ${new} ${libgo}
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fi
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fi
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}
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echo ${rev} > VERSION
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(cd ${NEWDIR}/src && find . -name '*.go' -print) | while read f; do
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skip=false
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case "$f" in
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./cmd/buildid/* | ./cmd/cgo/* | ./cmd/go/* | ./cmd/gofmt/* | ./cmd/test2json/* | ./cmd/vet/* | ./cmd/internal/browser/* | ./cmd/internal/buildid/* | ./cmd/internal/codesign/* | ./cmd/internal/edit/* | ./cmd/internal/objabi/* | ./cmd/internal/quoted/* | ./cmd/internal/test2json/* | ./cmd/internal/sys/* | ./cmd/internal/traceviewer/* | ./cmd/vendor/golang.org/x/tools/* | ./cmd/vendor/golang.org/x/mod/* | ./cmd/vendor/golang.org/x/xerrors/* | ./cmd/vendor/golang.org/x/crypto/ed25519 | ./cmd/vendor/golang.org/x/sync/semaphore)
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;;
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./cmd/*)
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skip=true
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;;
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./runtime/race/*)
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skip=true
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;;
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esac
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if test "$skip" = "true"; then
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continue
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fi
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oldfile=${OLDDIR}/src/$f
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newfile=${NEWDIR}/src/$f
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libgofile=go/`echo $f | sed -e 's|cmd/vendor/|/|' | sed -e 's|/vendor/|/|'`
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merge $f ${oldfile} ${newfile} ${libgofile}
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done
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(cd ${NEWDIR}/src && find . -name 'go.mod' -print) | while read f; do
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oldfile=${OLDDIR}/src/$f
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newfile=${NEWDIR}/src/$f
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libgofile=go/`echo $f | sed -e 's|cmd/vendor/|/|' | sed -e 's|/vendor/|/|'`
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merge $f ${oldfile} ${newfile} ${libgofile}
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done
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(cd ${NEWDIR}/src && find . -name 'modules.txt' -print) | while read f; do
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oldfile=${OLDDIR}/src/$f
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newfile=${NEWDIR}/src/$f
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libgofile=go/$f
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merge $f ${oldfile} ${newfile} ${libgofile}
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done
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(cd ${NEWDIR}/src && find . -name testdata -print) | while read d; do
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skip=false
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case "$d" in
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./cmd/buildid/* | ./cmd/cgo/* | ./cmd/go/* | ./cmd/gofmt/* | ./cmd/test2json/* | ./cmd/vet/* | ./cmd/internal/browser/* | ./cmd/internal/buildid/* | ./cmd/internal/codesign/* | ./cmd/internal/diff/* | ./cmd/internal/edit/* | ./cmd/internal/objabi/* | ./cmd/internal/test2json/* | ./cmd/internal/sys/* | ./cmd/internal/traceviewer/* | ./cmd/vendor/golang.org/x/tools/*)
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;;
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./cmd/*)
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skip=true
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;;
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./runtime/race/* | ./runtime/cgo/*)
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skip=true
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;;
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esac
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if test "$skip" = "true"; then
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continue
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fi
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oldtd=${OLDDIR}/src/$d
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newtd=${NEWDIR}/src/$d
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libgotd=go/`echo $d | sed -e 's|cmd/vendor/|/|' | sed -e 's|/vendor/|/|'`
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if ! test -d ${oldtd}; then
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echo "merge.sh: $d: NEWDIR"
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continue
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fi
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(cd ${oldtd} && git ls-files .) | while read f; do
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if test "`basename -- $f`" = ".gitignore"; then
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continue
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fi
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name=$d/$f
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oldfile=${oldtd}/$f
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newfile=${newtd}/$f
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libgofile=${libgotd}/$f
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merge ${name} ${oldfile} ${newfile} ${libgofile}
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done
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(cd ${newtd} && git ls-files .) | while read f; do
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if test "`basename -- $f`" = ".gitignore"; then
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continue
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fi
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oldfile=${oldtd}/$f
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if ! test -f ${oldfile}; then
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name=$d/$f
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newfile=${newtd}/$f
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libgofile=${libgotd}/$f
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merge ${name} ${oldfile} ${newfile} ${libgofile}
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fi
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done
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done
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(cd ${NEWDIR}/misc/cgo && find . -type f -print) | while read f; do
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oldfile=${OLDDIR}/misc/cgo/$f
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newfile=${NEWDIR}/misc/cgo/$f
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libgofile=misc/cgo/$f
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merge $f ${oldfile} ${newfile} ${libgofile}
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done
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(cd ${OLDDIR}/src && find . -name '*.go' -print) | while read f; do
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oldfile=${OLDDIR}/src/$f
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newfile=${NEWDIR}/src/$f
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libgofile=go/$f
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if test -f ${newfile}; then
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continue
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fi
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if ! test -f ${libgofile}; then
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continue
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fi
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echo "merge.sh: ${libgofile}: REMOVED"
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rm -f ${libgofile}
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done
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(cd ${OLDDIR}/misc/cgo && find . -type f -print) | while read f; do
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oldfile=${OLDDIR}/misc/cgo/$f
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newfile=${NEWDIR}/misc/cgo/$f
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libgofile=misc/cgo/$f
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if test -f ${newfile}; then
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continue
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fi
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if ! test -f ${libgofile}; then
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continue
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fi
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echo "merge.sh: ${libgofile}: REMOVED"
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rm -f ${libgofile}
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done
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(echo ${new_rev}; sed -ne '2,$p' MERGE) > MERGE.tmp
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mv MERGE.tmp MERGE
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