git-gui: allow undoing last revert

diff --git a/lib/blame.tcl b/lib/blame.tcl
index 691941e95948e7d332d6984aa6e2cc0956147550..a1aeb8b96e2df47c776bd1bb373fac6c5189a3ae 100644 (file)
--- a/lib/blame.tcl
+++ b/lib/blame.tcl
@@ -5,7 +5,7 @@ class blame {
 
 image create photo ::blame::img_back_arrow -data {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}
 
-# Persistant data (survives loads)
+# Persistent data (survives loads)
 #
 field history {}; # viewer history: {commit path}
 field header    ; # array commit,key -> header field
@@ -70,7 +70,7 @@ constructor new {i_commit i_path i_jump} {
        set path   $i_path
 
        make_toplevel top w
-       wm title $top [append "[appname] ([reponame]): " [mc "File Viewer"]]
+       wm title $top [mc "%s (%s): File Viewer" [appname] [reponame]]
 
        set font_w [font measure font_diff "0"]
 
@@ -219,7 +219,8 @@ constructor new {i_commit i_path i_jump} {
        eval grid $w_columns $w.file_pane.out.sby -sticky nsew
        grid conf \
                $w.file_pane.out.sbx \
-               -column [expr {[llength $w_columns] - 1}] \
+               -column 0 \
+               -columnspan [expr {[llength $w_columns] + 1}] \
                -sticky we
        grid columnconfigure \
                $w.file_pane.out \
@@ -229,12 +230,14 @@ constructor new {i_commit i_path i_jump} {
 
        set finder [::searchbar::new \
                $w.file_pane.out.ff $w_file \
-               -column [expr {[llength $w_columns] - 1}] \
+               -column 0 \
+               -columnspan [expr {[llength $w_columns] + 1}] \
                ]
 
        set gotoline [::linebar::new \
                $w.file_pane.out.lf $w_file \
-               -column [expr {[llength $w_columns] - 1}] \
+               -column 0 \
+               -columnspan [expr {[llength $w_columns] + 1}] \
                ]
 
        set w_cviewer $w.file_pane.cm.t
@@ -473,14 +476,7 @@ method _load {jump} {
        }
        if {$commit eq {}} {
                if {$do_textconv ne 0} {
-                       # Run textconv with sh -c "..." to allow it to
-                       # contain command + arguments. On windows, just
-                       # call the filter command.
-                       if {![file executable [shellpath]]} {
-                               set fd [open |[linsert $textconv end $path] r]
-                       } else {
-                               set fd [open |[list [shellpath] -c "$textconv \"\$0\"" $path] r]
-                       }
+                       set fd [open_cmd_pipe $textconv $path]
                } else {
                        set fd [open $path r]
                }
@@ -572,7 +568,11 @@ method _read_file {fd jump} {
        foreach i $w_columns {$i conf -state disabled}
 
        if {[eof $fd]} {
-               close $fd
+               fconfigure $fd -blocking 1; # enable error reporting on close
+               if {[catch {close $fd} err]} {
+                       tk_messageBox -icon error -title [mc Error] \
+                               -message $err
+               }
 
                # If we don't force Tk to update the widgets *right now*
                # none of our jump commands will cause a change in the UI.
@@ -1062,7 +1062,7 @@ method _gitkcommit {} {
                set radius [get_config gui.blamehistoryctx]
                set cmdline [list --select-commit=$cmit]
 
-                if {$radius > 0} {
+               if {$radius > 0} {
                        set author_time {}
                        set committer_time {}
 
@@ -1170,7 +1170,7 @@ method _read_diff_load_commit {fd cparent new_path tline} {
        }
 
        if {[eof $fd]} {
-               close $fd;
+               close $fd
                set current_fd {}
 
                _load_new_commit $this  \
@@ -1201,6 +1201,7 @@ method _open_tooltip {cur_w} {
                _hide_tooltip $this
 
                set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
+               catch {wm attributes $tooltip_wm -type tooltip}
                wm overrideredirect $tooltip_wm 1
                wm transient $tooltip_wm [winfo toplevel $cur_w]
                set tooltip_t $tooltip_wm.label