git-gui: Include version check and test for tearoff menu entry
[gitweb.git] / lib / diff.tcl
index 7b1fddf490b22b380bd454e0724b4b03e0082bdf..cf8a95ec346a9a8afa60a3812d59a8caa4bb4c3f 100644 (file)
@@ -208,32 +208,32 @@ proc show_other_diff {path w m cont_info} {
                        $ui_diff insert end [append \
                                "* " \
                                [mc "Git Repository (subproject)"] \
-                               "\n"] d_@
+                               "\n"] d_info
                } elseif {![catch {set type [exec file $path]}]} {
                        set n [string length $path]
                        if {[string equal -length $n $path $type]} {
                                set type [string range $type $n end]
                                regsub {^:?\s*} $type {} type
                        }
-                       $ui_diff insert end "* $type\n" d_@
+                       $ui_diff insert end "* $type\n" d_info
                }
                if {[string first "\0" $content] != -1} {
                        $ui_diff insert end \
                                [mc "* Binary file (not showing content)."] \
-                               d_@
+                               d_info
                } else {
                        if {$sz > $max_sz} {
                                $ui_diff insert end [mc \
 "* Untracked file is %d bytes.
 * Showing only first %d bytes.
-" $sz $max_sz] d_@
+" $sz $max_sz] d_info
                        }
                        $ui_diff insert end $content
                        if {$sz > $max_sz} {
                                $ui_diff insert end [mc "
 * Untracked file clipped here by %s.
 * To see the entire file, use an external editor.
-" [appname]] d_@
+" [appname]] d_info
                        }
                }
                $ui_diff conf -state disabled
@@ -382,37 +382,50 @@ proc read_diff {fd conflict_size cont_info} {
                foreach {line markup} [parse_color_line $line] break
                set line [string map {\033 ^} $line]
 
-               # -- Cleanup uninteresting diff header lines.
+               set tags {}
+
+               # -- Check for start of diff header.
+               if {   [string match {diff --git *}      $line]
+                   || [string match {diff --cc *}       $line]
+                   || [string match {diff --combined *} $line]} {
+                       set ::current_diff_inheader 1
+               }
+
+               # -- Check for end of diff header (any hunk line will do this).
+               #
+               if {[regexp {^@@+ } $line]} {set ::current_diff_inheader 0}
+
+               # -- Automatically detect if this is a 3 way diff.
                #
+               if {[string match {@@@ *} $line]} {set is_3way_diff 1}
+
                if {$::current_diff_inheader} {
+
+                       # -- These two lines stop a diff header and shouldn't be in there
+                       if {   [string match {Binary files * and * differ} $line]
+                           || [regexp {^\* Unmerged path }                $line]} {
+                               set ::current_diff_inheader 0
+                       } else {
+                               append current_diff_header $line "\n"
+                       }
+
+                       # -- Cleanup uninteresting diff header lines.
+                       #
                        if {   [string match {diff --git *}      $line]
                            || [string match {diff --cc *}       $line]
                            || [string match {diff --combined *} $line]
                            || [string match {--- *}             $line]
-                           || [string match {+++ *}             $line]} {
-                               append current_diff_header $line "\n"
+                           || [string match {+++ *}             $line]
+                           || [string match {index *}           $line]} {
                                continue
                        }
-               }
-               if {[string match {index *} $line]} continue
-               if {$line eq {deleted file mode 120000}} {
-                       set line "deleted symlink"
-               }
-               set ::current_diff_inheader 0
 
-               # -- Automatically detect if this is a 3 way diff.
-               #
-               if {[string match {@@@ *} $line]} {set is_3way_diff 1}
+                       # -- Name it symlink, not 120000
+                       #    Note, that the original line is in $current_diff_header
+                       regsub {^(deleted|new) file mode 120000} $line {\1 symlink} line
 
-               if {[string match {mode *} $line]
-                       || [string match {new file *} $line]
-                       || [regexp {^(old|new) mode *} $line]
-                       || [string match {deleted file *} $line]
-                       || [string match {deleted symlink} $line]
-                       || [string match {Binary files * and * differ} $line]
-                       || $line eq {\ No newline at end of file}
-                       || [regexp {^\* Unmerged path } $line]} {
-                       set tags {}
+               } elseif {   $line eq {\ No newline at end of file}} {
+                       # -- Handle some special lines
                } elseif {$is_3way_diff} {
                        set op [string range $line 0 1]
                        switch -- $op {
@@ -442,10 +455,10 @@ proc read_diff {fd conflict_size cont_info} {
                } elseif {$is_submodule_diff} {
                        if {$line == ""} continue
                        if {[regexp {^Submodule } $line]} {
-                               set tags d_@
+                               set tags d_info
                        } elseif {[regexp {^\* } $line]} {
                                set line [string replace $line 0 1 {Submodule }]
-                               set tags d_@
+                               set tags d_info
                        } else {
                                set op [string range $line 0 2]
                                switch -- $op {