mergetools/meld

   1 diff_cmd () {
   2         "$merge_tool_path" "$LOCAL" "$REMOTE"
   3 }
   4
   5 merge_cmd () {
   6         check_meld_for_features
   7
   8         option_auto_merge=
   9         if test "$meld_use_auto_merge_option" = true
  10         then
  11                 option_auto_merge="--auto-merge"
  12         fi
  13
  14         if test "$meld_has_output_option" = true
  15         then
  16                 "$merge_tool_path" $option_auto_merge --output="$MERGED" \
  17                         "$LOCAL" "$BASE" "$REMOTE"
  18         else
  19                 "$merge_tool_path" $option_auto_merge "$LOCAL" "$MERGED" "$REMOTE"
  20         fi
  21 }
  22
  23 # Get meld help message
  24 init_meld_help_msg () {
  25         if test -z "$meld_help_msg"
  26         then
  27                 meld_path="$(git config mergetool.meld.path || echo meld)"
  28                 meld_help_msg=$("$meld_path" --help 2>&1)
  29         fi
  30 }
  31
  32 # Check the features and set flags
  33 check_meld_for_features () {
  34         # Check whether we should use 'meld --output <file>'
  35         if test -z "$meld_has_output_option"
  36         then
  37                 meld_has_output_option=$(git config --bool mergetool.meld.hasOutput)
  38                 case "$meld_has_output_option" in
  39                 true | false)
  40                         : use configured value
  41                         ;;
  42                 *)
  43                         : empty or invalid configured value, detecting "--output" automatically
  44                         init_meld_help_msg
  45
  46                         case "$meld_help_msg" in
  47                         *"--output="* | *'[OPTION...]'*)
  48                                 # All version that has [OPTION...] supports --output
  49                                 meld_has_output_option=true
  50                                 ;;
  51                         *)
  52                                 meld_has_output_option=false
  53                                 ;;
  54                         esac
  55                         ;;
  56                 esac
  57         fi
  58         # Check whether we should use 'meld --auto-merge ...'
  59         if test -z "$meld_use_auto_merge_option"
  60         then
  61                 meld_use_auto_merge_option=$(
  62                         git config --bool-or-str mergetool.meld.useAutoMerge
  63                 )
  64                 case "$meld_use_auto_merge_option" in
  65                 true | false)
  66                         : use well formatted boolean value
  67                         ;;
  68                 auto)
  69                         # testing the "--auto-merge" option only if config is "auto"
  70                         init_meld_help_msg
  71
  72                         case "$meld_help_msg" in
  73                         *"--auto-merge"* | *'[OPTION...]'*)
  74                                 meld_use_auto_merge_option=true
  75                                 ;;
  76                         *)
  77                                 meld_use_auto_merge_option=false
  78                                 ;;
  79                         esac
  80                         ;;
  81                 "")
  82                         meld_use_auto_merge_option=false
  83                         ;;
  84                 *)
  85                         die "unknown mergetool.meld.useAutoMerge: $meld_use_auto_merge_option"
  86                         ;;
  87                 esac
  88         fi
  89 }