diff options
Diffstat (limited to 'git-gui/lib/diff.tcl')
| -rw-r--r-- | git-gui/lib/diff.tcl | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/git-gui/lib/diff.tcl b/git-gui/lib/diff.tcl index bbbf15c875..bd5d189ed1 100644 --- a/git-gui/lib/diff.tcl +++ b/git-gui/lib/diff.tcl @@ -51,11 +51,16 @@ proc force_diff_encoding {enc} { proc handle_empty_diff {} { global current_diff_path file_states file_lists + global diff_empty_count set path $current_diff_path set s $file_states($path) if {[lindex $s 0] ne {_M}} return + # Prevent infinite rescan loops + incr diff_empty_count + if {$diff_empty_count > 1} return + info_popup [mc "No differences detected. %s has no changes. @@ -250,7 +255,7 @@ proc show_other_diff {path w m cont_info} { proc start_show_diff {cont_info {add_opts {}}} { global file_states file_lists - global is_3way_diff diff_active repo_config + global is_3way_diff is_submodule_diff diff_active repo_config global ui_diff ui_index ui_workdir global current_diff_path current_diff_side current_diff_header @@ -260,6 +265,7 @@ proc start_show_diff {cont_info {add_opts {}}} { set s $file_states($path) set m [lindex $s 0] set is_3way_diff 0 + set is_submodule_diff 0 set diff_active 1 set current_diff_header {} @@ -290,6 +296,16 @@ proc start_show_diff {cont_info {add_opts {}}} { lappend cmd $path } + if {[string match {160000 *} [lindex $s 2]] + || [string match {160000 *} [lindex $s 3]]} { + set is_submodule_diff 1 + if {$w eq $ui_index} { + set cmd [list submodule summary --cached -- $path] + } else { + set cmd [list submodule summary --files -- $path] + } + } + if {[catch {set fd [eval git_read --nice $cmd]} err]} { set diff_active 0 unlock_index @@ -307,9 +323,10 @@ proc start_show_diff {cont_info {add_opts {}}} { } proc read_diff {fd cont_info} { - global ui_diff diff_active + global ui_diff diff_active is_submodule_diff global is_3way_diff is_conflict_diff current_diff_header global current_diff_queue + global diff_empty_count $ui_diff conf -state normal while {[gets $fd line] >= 0} { @@ -368,6 +385,23 @@ proc read_diff {fd cont_info} { set tags {} } } + } elseif {$is_submodule_diff} { + if {$line == ""} continue + if {[regexp {^\* } $line]} { + set line [string replace $line 0 1 {Submodule }] + set tags d_@ + } else { + set op [string range $line 0 2] + switch -- $op { + { <} {set tags d_-} + { >} {set tags d_+} + { W} {set tags {}} + default { + puts "error: Unhandled submodule diff marker: {$op}" + set tags {} + } + } + } } else { set op [string index $line 0] switch -- $op { @@ -415,7 +449,10 @@ proc read_diff {fd cont_info} { if {[$ui_diff index end] eq {2.0}} { handle_empty_diff + } else { + set diff_empty_count 0 } + set callback [lindex $cont_info 1] if {$callback ne {}} { eval $callback |