зеркало из https://github.com/microsoft/git.git
Add git-mergetool to run an appropriate merge conflict resolution program
The git-mergetool program can be used to automatically run an appropriate merge resolution program to resolve merge conflicts. It will automatically run one of kdiff3, tkdiff, meld, xxdiff, or emacs emerge programs. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o
Родитель
27ebd6e044
Коммит
c4b4a5af16
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@ -75,6 +75,7 @@ git-merge-ours
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git-merge-recursive
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git-merge-resolve
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git-merge-stupid
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git-mergetool
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git-mktag
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git-mktree
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git-name-rev
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@ -453,6 +453,11 @@ merge.summary::
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Whether to include summaries of merged commits in newly created
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merge commit messages. False by default.
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merge.tool::
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Controls which merge resolution program is used by
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gitlink:git-mergetool[l]. Valid values are: "kdiff3", "tkdiff",
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"meld", "xxdiff", "emerge"
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merge.verbosity::
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Controls the amount of output shown by the recursive merge
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strategy. Level 0 outputs nothing except a final error
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@ -0,0 +1,46 @@
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git-mergetool(1)
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================
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NAME
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----
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git-mergetool - Run merge conflict resolution tools to resolve merge conflicts
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SYNOPSIS
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--------
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'git-mergetool' [--tool=<tool>] [<file>]...
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DESCRIPTION
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-----------
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Use 'git mergetool' to run one of several merge utilities to resolve
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merge conflicts. It is typically run after gitlink:git-merge[1].
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If one or more <file> parameters are given, the merge tool program will
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be run to resolve differences on each file. If no <file> names are
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specified, 'git mergetool' will run the merge tool program on every file
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with merge conflicts.
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OPTIONS
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-------
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-t or --tool=<tool>::
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Use the merge resolution program specified by <tool>.
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Valid merge tools are:
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kdiff3, tkdiff, meld, xxdiff, and emerge.
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If a merge resolution program is not specified, 'git mergetool'
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will use the configuration variable merge.tool. If the
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configuration variable merge.tool is not set, 'git mergetool'
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will pick a suitable default.
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Author
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------
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Written by Theodore Y Ts'o <tytso@mit.edu>
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Documentation
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--------------
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Documentation by Theodore Y Ts'o.
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GIT
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---
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Part of the gitlink:git[7] suite
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2
Makefile
2
Makefile
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@ -179,7 +179,7 @@ SCRIPT_SH = \
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git-clean.sh git-clone.sh git-commit.sh \
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git-fetch.sh git-gc.sh \
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git-ls-remote.sh \
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git-merge-one-file.sh git-parse-remote.sh \
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git-merge-one-file.sh git-mergetool.sh git-parse-remote.sh \
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git-pull.sh git-rebase.sh \
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git-repack.sh git-request-pull.sh git-reset.sh \
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git-sh-setup.sh \
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@ -0,0 +1,352 @@
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#!/bin/sh
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#
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# This program resolves merge conflicts in git
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#
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# Copyright (c) 2006 Theodore Y. Ts'o
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#
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# This file is licensed under the GPL v2, or a later version
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# at the discretion of Junio C Hammano.
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#
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USAGE='[--tool=tool] [file to merge] ...'
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SUBDIRECTORY_OK=Yes
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. git-sh-setup
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require_work_tree
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# Returns true if the mode reflects a symlink
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function is_symlink () {
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test "$1" = 120000
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}
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function local_present () {
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test -n "$local_mode"
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}
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function remote_present () {
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test -n "$remote_mode"
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}
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function base_present () {
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test -n "$base_mode"
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}
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cleanup_temp_files () {
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if test "$1" = --save-backup ; then
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mv -- "$BACKUP" "$path.orig"
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rm -f -- "$LOCAL" "$REMOTE" "$BASE"
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else
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rm -f -- "$LOCAL" "$REMOTE" "$BASE" "$BACKUP"
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fi
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}
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function describe_file () {
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mode="$1"
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branch="$2"
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file="$3"
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echo -n " "
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if test -z "$mode"; then
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echo -n "'$path' was deleted"
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elif is_symlink "$mode" ; then
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echo -n "'$path' is a symlink containing '"
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cat "$file"
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echo -n "'"
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else
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if base_present; then
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echo -n "'$path' was created"
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else
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echo -n "'$path' was modified"
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fi
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fi
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echo " in the $branch branch"
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}
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resolve_symlink_merge () {
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while /bin/true; do
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echo -n "Use (r)emote or (l)ocal, or (a)bort? "
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read ans
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case "$ans" in
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[lL]*)
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git-checkout-index -f --stage=2 -- "$path"
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git-add -- "$path"
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cleanup_temp_files --save-backup
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return
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;;
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[rR]*)
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git-checkout-index -f --stage=3 -- "$path"
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git-add -- "$path"
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cleanup_temp_files --save-backup
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return
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;;
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[qQ]*)
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exit 1
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;;
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esac
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done
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}
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resolve_deleted_merge () {
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while /bin/true; do
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echo -n "Use (m)odified or (d)eleted file, or (a)bort? "
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read ans
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case "$ans" in
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[mM]*)
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git-add -- "$path"
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cleanup_temp_files --save-backup
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return
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;;
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[dD]*)
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git-rm -- "$path"
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cleanup_temp_files
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return
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;;
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[qQ]*)
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exit 1
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;;
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esac
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done
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}
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merge_file () {
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path="$1"
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if test ! -f "$path" ; then
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echo "$path: file not found"
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exit 1
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fi
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f=`git-ls-files -u -- "$path"`
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if test -z "$f" ; then
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echo "$path: file does not need merging"
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exit 1
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fi
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BACKUP="$path.BACKUP.$$"
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LOCAL="$path.LOCAL.$$"
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REMOTE="$path.REMOTE.$$"
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BASE="$path.BASE.$$"
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mv -- "$path" "$BACKUP"
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cp -- "$BACKUP" "$path"
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base_mode=`git ls-files -u -- "$path" | awk '{if ($3==1) print $1;}'`
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local_mode=`git ls-files -u -- "$path" | awk '{if ($3==2) print $1;}'`
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remote_mode=`git ls-files -u -- "$path" | awk '{if ($3==3) print $1;}'`
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base_present && git cat-file blob ":1:$path" > "$BASE" 2>/dev/null
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local_present && git cat-file blob ":2:$path" > "$LOCAL" 2>/dev/null
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remote_present && git cat-file blob ":3:$path" > "$REMOTE" 2>/dev/null
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if test -z "$local_mode" -o -z "$remote_mode"; then
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echo "Deleted merge conflict for $path:"
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describe_file "$local_mode" "local" "$LOCAL"
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describe_file "$remote_mode" "remote" "$REMOTE"
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resolve_deleted_merge
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return
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fi
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if is_symlink "$local_mode" || is_symlink "$remote_mode"; then
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echo "Symlink merge conflict for $path:"
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describe_file "$local_mode" "local" "$LOCAL"
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describe_file "$remote_mode" "remote" "$REMOTE"
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resolve_symlink_merge
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return
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fi
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echo "Normal merge conflict for $path:"
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describe_file "$local_mode" "local" "$LOCAL"
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describe_file "$remote_mode" "remote" "$REMOTE"
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echo -n "Hit return to start merge resolution tool ($merge_tool): "
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read ans
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case "$merge_tool" in
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kdiff3)
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if base_present ; then
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(kdiff3 --auto --L1 "$path (Base)" -L2 "$path (Local)" --L3 "$path (Remote)" \
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-o "$path" -- "$BASE" "$LOCAL" "$REMOTE" > /dev/null 2>&1)
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else
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(kdiff3 --auto -L1 "$path (Local)" --L2 "$path (Remote)" \
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-o "$path" -- "$LOCAL" "$REMOTE" > /dev/null 2>&1)
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fi
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status=$?
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if test "$status" -eq 0; then
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rm "$BACKUP"
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fi
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;;
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tkdiff)
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if base_present ; then
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tkdiff -a "$BASE" -o "$path" -- "$LOCAL" "$REMOTE"
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else
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tkdiff -o "$path" -- "$LOCAL" "$REMOTE"
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fi
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status=$?
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if test "$status" -eq 0; then
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mv -- "$BACKUP" "$path.orig"
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fi
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;;
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meld)
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touch "$BACKUP"
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meld -- "$LOCAL" "$path" "$REMOTE"
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if test "$path" -nt "$BACKUP" ; then
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status=0;
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else
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while true; do
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echo "$path seems unchanged."
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echo -n "Was the merge successful? [y/n] "
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read answer < /dev/tty
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case "$answer" in
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y*|Y*) status=0; break ;;
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n*|N*) status=1; break ;;
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esac
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done
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fi
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if test "$status" -eq 0; then
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mv -- "$BACKUP" "$path.orig"
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fi
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;;
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xxdiff)
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touch "$BACKUP"
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if base_present ; then
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xxdiff -X --show-merged-pane \
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-R 'Accel.SaveAsMerged: "Ctrl-S"' \
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-R 'Accel.Search: "Ctrl+F"' \
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-R 'Accel.SearchForward: "Ctrl-G"' \
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--merged-file "$path" -- "$LOCAL" "$BASE" "$REMOTE"
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else
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xxdiff -X --show-merged-pane \
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-R 'Accel.SaveAsMerged: "Ctrl-S"' \
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-R 'Accel.Search: "Ctrl+F"' \
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-R 'Accel.SearchForward: "Ctrl-G"' \
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--merged-file "$path" -- "$LOCAL" "$REMOTE"
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fi
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if test "$path" -nt "$BACKUP" ; then
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status=0;
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else
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while true; do
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echo "$path seems unchanged."
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echo -n "Was the merge successful? [y/n] "
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read answer < /dev/tty
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case "$answer" in
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y*|Y*) status=0; break ;;
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n*|N*) status=1; break ;;
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esac
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done
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fi
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if test "$status" -eq 0; then
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mv -- "$BACKUP" "$path.orig"
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fi
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;;
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emerge)
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if base_present ; then
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emacs -f emerge-files-with-ancestor-command "$LOCAL" "$REMOTE" "$BASE" "$path"
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else
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emacs -f emerge-files-command "$LOCAL" "$REMOTE" "$path"
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fi
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status=$?
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if test "$status" -eq 0; then
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mv -- "$BACKUP" "$path.orig"
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fi
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;;
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esac
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if test "$status" -ne 0; then
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echo "merge of $path failed" 1>&2
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mv -- "$BACKUP" "$path"
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exit 1
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fi
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git add -- "$path"
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cleanup_temp_files
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}
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while case $# in 0) break ;; esac
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do
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case "$1" in
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-t|--tool*)
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case "$#,$1" in
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*,*=*)
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merge_tool=`expr "z$1" : 'z-[^=]*=\(.*\)'`
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;;
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1,*)
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usage ;;
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*)
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merge_tool="$2"
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shift ;;
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esac
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;;
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--)
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break
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;;
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-*)
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usage
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;;
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*)
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break
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;;
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esac
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shift
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done
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if test -z "$merge_tool"; then
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merge_tool=`git-config merge.tool`
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if test $merge_tool = kdiff3 -o $merge_tool = tkdiff -o \
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$merge_tool = xxdiff -o $merge_tool = meld ; then
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unset merge_tool
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fi
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fi
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if test -z "$merge_tool" ; then
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if type kdiff3 >/dev/null 2>&1 && test -n "$DISPLAY"; then
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merge_tool="kdiff3";
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elif type tkdiff >/dev/null 2>&1 && test -n "$DISPLAY"; then
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merge_tool=tkdiff
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elif type xxdiff >/dev/null 2>&1 && test -n "$DISPLAY"; then
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merge_tool=xxdiff
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elif type meld >/dev/null 2>&1 && test -n "$DISPLAY"; then
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merge_tool=meld
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elif type emacs >/dev/null 2>&1; then
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merge_tool=emerge
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else
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echo "No available merge resolution programs available."
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exit 1
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fi
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fi
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case "$merge_tool" in
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kdiff3|tkdiff|meld|xxdiff)
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if ! type "$merge_tool" > /dev/null 2>&1; then
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echo "The merge tool $merge_tool is not available"
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exit 1
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fi
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;;
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emerge)
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if ! type "emacs" > /dev/null 2>&1; then
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echo "Emacs is not available"
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exit 1
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fi
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;;
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*)
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echo "Unknown merge tool: $merge_tool"
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exit 1
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;;
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esac
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if test $# -eq 0 ; then
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files=`git ls-files -u | sed -e 's/^[^ ]* //' | sort -u`
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if test -z "$files" ; then
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echo "No files need merging"
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exit 0
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fi
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echo Merging the files: $files
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git ls-files -u | sed -e 's/^[^ ]* //' | sort -u | while read i
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do
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echo ""
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merge_file "$i" < /dev/tty > /dev/tty
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done
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else
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while test $# -gt 0; do
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echo ""
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merge_file "$1"
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shift
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done
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fi
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exit 0
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