git-difftool--helper.sh [plain text]
#!/bin/sh
TOOL_MODE=diff
. git-mergetool--lib
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
}
use_ext_cmd () {
test -n "$GIT_DIFFTOOL_EXTCMD"
}
launch_merge_tool () {
MERGED="$1"
LOCAL="$2"
REMOTE="$3"
BASE="$1"
if should_prompt
then
printf "\nViewing (%s/%s): '%s'\n" "$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"' '"$REMOTE"'
else
run_merge_tool "$merge_tool"
fi
}
if ! use_ext_cmd
then
if test -n "$GIT_DIFF_TOOL"
then
merge_tool="$GIT_DIFF_TOOL"
else
merge_tool="$(get_merge_tool)" || exit
fi
fi
if test -n "$GIT_DIFFTOOL_DIRDIFF"
then
LOCAL="$1"
REMOTE="$2"
run_merge_tool "$merge_tool" false
else
while test $ do
launch_merge_tool "$1" "$2" "$5"
status=$?
if test $status -ge 126
then
exit $status
fi
if test "$status" != 0 &&
test "$GIT_DIFFTOOL_TRUST_EXIT_CODE" = true
then
exit $status
fi
shift 7
done
fi
exit 0