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PATH: usr / libexec / git-core

#!/bin/sh
# git-difftool--helper is a GIT_EXTERNAL_DIFF-compatible diff tool launcher.
# This script is typically launched by using the 'git difftool'
# convenience command.
#
# Copyright (c) 2009, 2010 David Aguilar

TOOL_MODE=diff
. git-mergetool--lib

# difftool.prompt controls the default prompt/no-prompt behavior
# and is overridden with $GIT_DIFFTOOL*_PROMPT.
should_prompt () {
	prompt_merge=$(git config --bool mergetool.prompt || echo true)
	prompt=$(git config --bool difftool.prompt || echo $prompt_merge)
	if test "$prompt" = true
	then
		test -z "$GIT_DIFFTOOL_NO_PROMPT"
	else
		test -n "$GIT_DIFFTOOL_PROMPT"
	fi
}

# Indicates that --extcmd=... was specified
use_ext_cmd () {
	test -n "$GIT_DIFFTOOL_EXTCMD"
}

launch_merge_tool () {
	# Merged is the filename as it appears in the work tree
	# Local is the contents of a/filename
	# Remote is the contents of b/filename
	# Custom merge tool commands might use $BASE so we provide it
	MERGED="$1"
	LOCAL="$2"
	REMOTE="$3"
	BASE="$1"

# $LOCAL and $REMOTE are temporary files so prompt
	# the user with the real $MERGED name before launching $merge_tool.
	if should_prompt
	then
		printf "\nViewing (%s/%s): '%s'\n" "$GIT_DIFF_PATH_COUNTER" \
			"$GIT_DIFF_PATH_TOTAL" "$MERGED"
		if use_ext_cmd
		then
			printf "Launch '%s' [Y/n]? " \
				"$GIT_DIFFTOOL_EXTCMD"
		else
			printf "Launch '%s' [Y/n]? " "$merge_tool"
		fi
		read ans || return
		if test "$ans" = n
		then
			return
		fi
	fi

if use_ext_cmd
	then
		export BASE
		eval $GIT_DIFFTOOL_EXTCMD '"$LOCAL"' '"$REMOTE"'
	else
		initialize_merge_tool "$merge_tool"
		# ignore the error from the above --- run_merge_tool
		# will diagnose unusable tool by itself
		run_merge_tool "$merge_tool"
	fi
}

if ! use_ext_cmd
then
	if test -n "$GIT_DIFF_TOOL"
	then
		merge_tool="$GIT_DIFF_TOOL"
	else
		merge_tool="$(get_merge_tool)"
		subshell_exit_status=$?
		if test $subshell_exit_status -gt 1
		then
			exit $subshell_exit_status
		fi
	fi
fi

if test -n "$GIT_DIFFTOOL_DIRDIFF"
then
	LOCAL="$1"
	REMOTE="$2"
	initialize_merge_tool "$merge_tool"
	# ignore the error from the above --- run_merge_tool
	# will diagnose unusable tool by itself
	run_merge_tool "$merge_tool" false
else
	# Launch the merge tool on each path provided by 'git diff'
	while test $# -gt 6
	do
		launch_merge_tool "$1" "$2" "$5"
		status=$?
		if test $status -ge 126
		then
			# Command not found (127), not executable (126) or
			# exited via a signal (>= 128).
			exit $status
		fi

if test "$status" != 0 &&
			test "$GIT_DIFFTOOL_TRUST_EXIT_CODE" = true
		then
			exit $status
		fi
		shift 7
	done
fi

exit 0

[-] git-apply [edit]
[-] git-fast-export [edit]
[-] git-get-tar-commit-id [edit]
[-] git-fast-import [edit]
[-] git-merge-ours [edit]
[-] git-fsck-objects [edit]
[-] git-rev-parse [edit]
[-] git-http-push [edit]
[-] git-fsck [edit]
[-] git-filter-branch [edit]
[-] git-web--browse [edit]
[-] git-bugreport [edit]
[-] git-rebase [edit]
[-] git-checkout--worker [edit]
[-] git-rm [edit]
[-] git-stage [edit]
[-] git-send-pack [edit]
[-] git-for-each-ref [edit]
[-] git-merge-one-file [edit]
[-] git-pack-redundant [edit]
[-] git-remote-fd [edit]
[-] git-mailinfo [edit]
[-] git-fetch-pack [edit]
[-] git-update-index [edit]
[-] git-fmt-merge-msg [edit]
[-] git-commit-tree [edit]
[-] git-name-rev [edit]
[-] git-for-each-repo [edit]
[-] git-credential-netrc [edit]
[-] git-help [edit]
[-] git-index-pack [edit]
[-] git-check-ignore [edit]
[-] git-tag [edit]
[-] git-shell [edit]
[-] git-merge-resolve [edit]
[-] git-show-branch [edit]
[-] git-merge [edit]
[-] git-submodule [edit]
[-] git-replace [edit]
[-] git-status [edit]
[-] git-bisect [edit]
[-] git-revert [edit]
[-] git-difftool [edit]
[-] git-quiltimport [edit]
[-] git-check-attr [edit]
[-] git-restore [edit]
[-] git-unpack-objects [edit]
[-] git-mv [edit]
[-] git-var [edit]
[-] git-show-index [edit]
[-] git-push [edit]
[-] git-unpack-file [edit]
[-] git-reflog [edit]
[-] git-config [edit]
[-] git-diff-tree [edit]
[-] git-cherry-pick [edit]
[-] git-version [edit]
[-] git-remote-ext [edit]
[-] git-submodule--helper [edit]
[-] git-credential [edit]
[-] git-count-objects [edit]
[-] git-merge-base [edit]
[-] git [edit]
[-] git-cherry [edit]
[-] git-annotate [edit]
[-] git-describe [edit]
[-] git-ls-tree [edit]
[-] git-fsmonitor--daemon [edit]
[-] git-checkout-index [edit]
[-] git-pack-refs [edit]
[-] git-blame [edit]
[-] git-remote-ftps [edit]
[-] git-verify-commit [edit]
[-] git-credential-store [edit]
[-] git-init [edit]
[-] git-update-server-info [edit]
[-] git-request-pull [edit]
[-] git-init-db [edit]
[-] git-bundle [edit]
[-] git-merge-recursive [edit]
[-] git-repack [edit]
[-] git-verify-pack [edit]
[-] git-rerere [edit]
[-] git-column [edit]
[-] git-stripspace [edit]
[+] ..
[-] git-hash-object [edit]
[-] git-ls-remote [edit]
[-] git-symbolic-ref [edit]
[+] mergetools
[-] git-diff-index [edit]
[-] git-pull [edit]
[-] git-write-tree [edit]
[-] git-whatchanged [edit]
[-] git-mergetool [edit]
[-] git-http-fetch [edit]
[-] git-update-ref [edit]
[-] git-add [edit]
[-] git-read-tree [edit]
[-] git-prune-packed [edit]
[-] git-check-mailmap [edit]
[-] git-sh-setup [edit]
[-] git-sh-i18n [edit]
[-] git-show-ref [edit]
[-] git-receive-pack [edit]
[-] git-merge-file [edit]
[-] git-mailsplit [edit]
[-] git-range-diff [edit]
[-] git-mktag [edit]
[-] git-remote-ftp [edit]
[-] git-merge-octopus [edit]
[-] git-remote [edit]
[-] git-format-patch [edit]
[-] git-cat-file [edit]
[-] git-stash [edit]
[-] git-upload-archive [edit]
[-] git-clone [edit]
[-] git-interpret-trailers [edit]
[-] git-grep [edit]
[-] git-contacts [edit]
[-] git-remote-https [edit]
[-] git-show [edit]
[-] git-archive [edit]
[-] git-pack-objects [edit]
[-] git-verify-tag [edit]
[-] git-am [edit]
[-] git-sh-i18n--envsubst [edit]
[-] git-http-backend [edit]
[-] git-clean [edit]
[-] git-branch [edit]
[-] git-merge-tree [edit]
[-] scalar [edit]
[-] git-credential-cache--daemon [edit]
[-] git-checkout [edit]
[-] git-worktree [edit]
[-] git-mergetool--lib [edit]
[-] git-fetch [edit]
[-] git-merge-subtree [edit]
[-] git-prune [edit]
[-] git-mktree [edit]
[-] git-notes [edit]
[-] git-switch [edit]
[-] git-merge-index [edit]
[-] git-sparse-checkout [edit]
[-] git-commit-graph [edit]
[-] git-shortlog [edit]
[-] git-maintenance [edit]
[-] git-patch-id [edit]
[-] git-upload-pack [edit]
[-] git-multi-pack-index [edit]
[-] git-remote-http [edit]
[-] git-diff [edit]
[-] git-diagnose [edit]
[-] git-rev-list [edit]
[-] git-gc [edit]
[-] git-check-ref-format [edit]
[-] git-diff-files [edit]
[-] git-hook [edit]
[-] git-reset [edit]
[-] git-difftool--helper [edit]
[-] git-imap-send [edit]
[-] git-log [edit]
[-] git-ls-files [edit]
[-] git-commit [edit]
[-] git-credential-cache [edit]