# git-gui diff viewer
# Copyright (C) 2006, 2007 Shawn Pearce
+proc apply_tab_size {{firsttab {}}} {
+ global have_tk85 repo_config ui_diff
+
+ set w [font measure font_diff "0"]
+ if {$have_tk85 && $firsttab != 0} {
+ $ui_diff configure -tabs [list [expr {$firsttab * $w}] [expr {($firsttab + $repo_config(gui.tabsize)) * $w}]]
+ } elseif {$have_tk85 || $repo_config(gui.tabsize) != 8} {
+ $ui_diff configure -tabs [expr {$repo_config(gui.tabsize) * $w}]
+ } else {
+ $ui_diff configure -tabs {}
+ }
+}
+
proc clear_diff {} {
global ui_diff current_diff_path current_diff_header
global ui_index ui_workdir
proc force_diff_encoding {enc} {
global current_diff_path
-
+
if {$current_diff_path ne {}} {
force_path_encoding $current_diff_path $enc
reshow_diff
set cont_info [list $scroll_pos $callback]
+ apply_tab_size 0
+
if {[string first {U} $m] >= 0} {
merge_load_stages $path [list show_unmerged_diff $cont_info]
} elseif {$m eq {_O}} {
} else {
start_show_diff $cont_info
}
+
+ global current_diff_path selected_paths
+ set selected_paths($current_diff_path) 1
}
proc show_unmerged_diff {cont_info} {
if {$merge_stages(2) eq {}} {
set is_conflict_diff 1
lappend current_diff_queue \
- [list [mc "LOCAL: deleted\nREMOTE:\n"] d======= \
+ [list [mc "LOCAL: deleted\nREMOTE:\n"] d= \
[list ":1:$current_diff_path" ":3:$current_diff_path"]]
} elseif {$merge_stages(3) eq {}} {
set is_conflict_diff 1
lappend current_diff_queue \
- [list [mc "REMOTE: deleted\nLOCAL:\n"] d======= \
+ [list [mc "REMOTE: deleted\nLOCAL:\n"] d= \
[list ":1:$current_diff_path" ":2:$current_diff_path"]]
} elseif {[lindex $merge_stages(1) 0] eq {120000}
|| [lindex $merge_stages(2) 0] eq {120000}
|| [lindex $merge_stages(3) 0] eq {120000}} {
set is_conflict_diff 1
lappend current_diff_queue \
- [list [mc "LOCAL:\n"] d======= \
+ [list [mc "LOCAL:\n"] d= \
[list ":1:$current_diff_path" ":2:$current_diff_path"]]
lappend current_diff_queue \
- [list [mc "REMOTE:\n"] d======= \
+ [list [mc "REMOTE:\n"] d= \
[list ":1:$current_diff_path" ":3:$current_diff_path"]]
} else {
start_show_diff $cont_info
}
$ui_diff conf -state normal
if {$type eq {submodule}} {
- $ui_diff insert end [append \
- "* " \
- [mc "Git Repository (subproject)"] \
- "\n"] d_@
+ $ui_diff insert end \
+ "* [mc "Git Repository (subproject)"]\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
}
}
+proc get_conflict_marker_size {path} {
+ set size 7
+ catch {
+ set fd_rc [eval [list git_read check-attr "conflict-marker-size" -- $path]]
+ set ret [gets $fd_rc line]
+ close $fd_rc
+ if {$ret > 0} {
+ regexp {.*: conflict-marker-size: (\d+)$} $line line size
+ }
+ }
+ return $size
+}
+
proc start_show_diff {cont_info {add_opts {}}} {
global file_states file_lists
global is_3way_diff is_submodule_diff diff_active repo_config
set is_submodule_diff 0
set diff_active 1
set current_diff_header {}
+ set conflict_size [get_conflict_marker_size $path]
set cmd [list]
if {$w eq $ui_index} {
lappend cmd diff-index
lappend cmd --cached
+ if {[git-version >= "1.7.2"]} {
+ lappend cmd --ignore-submodules=dirty
+ }
} elseif {$w eq $ui_workdir} {
if {[string first {U} $m] >= 0} {
lappend cmd diff
lappend cmd -p
lappend cmd --color
+ set cmd [concat $cmd $repo_config(gui.diffopts)]
if {$repo_config(gui.diffcontext) >= 1} {
lappend cmd "-U$repo_config(gui.diffcontext)"
}
-blocking 0 \
-encoding [get_path_encoding $path] \
-translation lf
- fileevent $fd readable [list read_diff $fd $cont_info]
+ fileevent $fd readable [list read_diff $fd $conflict_size $cont_info]
}
proc parse_color_line {line} {
set result ""
set markup [list]
set regexp {\033\[((?:\d+;)*\d+)?m}
+ set need_reset 0
while {[regexp -indices -start $start $regexp $line match code]} {
foreach {begin end} $match break
append result [string range $line $start [expr {$begin - 1}]]
- lappend markup [string length $result] \
- [eval [linsert $code 0 string range $line]]
+ set pos [string length $result]
+ set col [eval [linsert $code 0 string range $line]]
set start [incr end]
+ if {$col eq "0" || $col eq ""} {
+ if {!$need_reset} continue
+ set need_reset 0
+ } else {
+ set need_reset 1
+ }
+ lappend markup $pos $col
}
append result [string range $line $start end]
if {[llength $markup] < 4} {set markup {}}
return [list $result $markup]
}
-proc read_diff {fd cont_info} {
+proc read_diff {fd conflict_size cont_info} {
global ui_diff diff_active is_submodule_diff
global is_3way_diff is_conflict_diff current_diff_header
global current_diff_queue
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 {@@@ *} $line]} {
+ set is_3way_diff 1
+ apply_tab_size 1
+ }
+
if {$::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}
-
- 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 {}
+ # -- 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
+
+ } 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 {
{- } {set tags d_-s}
{--} {set tags d_--}
{++} {
- if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
+ set regexp [string map [list %conflict_size $conflict_size]\
+ {^\+\+([<>=]){%conflict_size}(?: |$)}]
+ if {[regexp $regexp $line _g op]} {
set is_conflict_diff 1
set line [string replace $line 0 1 { }]
set tags d$op
} 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 {
{@} {set tags d_@}
{-} {set tags d_-}
{+} {
- if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
+ set regexp [string map [list %conflict_size $conflict_size]\
+ {^\+([<>=]){%conflict_size}(?: |$)}]
+ if {[regexp $regexp $line _g op]} {
set is_conflict_diff 1
set tags d$op
} else {
foreach {posbegin colbegin posend colend} $markup {
set prefix clr
- foreach style [split $colbegin ";"] {
+ foreach style [lsort -integer [split $colbegin ";"]] {
if {$style eq "7"} {append prefix i; continue}
- if {$style < 30 || $style > 47} {continue}
+ if {$style != 4 && ($style < 30 || $style > 47)} {continue}
set a "$mark linestart + $posbegin chars"
set b "$mark linestart + $posend chars"
catch {$ui_diff tag add $prefix$style $a $b}
}
}
-proc apply_hunk {x y} {
+proc apply_or_revert_hunk {x y revert} {
global current_diff_path current_diff_header current_diff_side
- global ui_diff ui_index file_states
+ global ui_diff ui_index file_states last_revert last_revert_enc
if {$current_diff_path eq {} || $current_diff_header eq {}} return
if {![lock_index apply_hunk]} return
- set apply_cmd {apply --cached --whitespace=nowarn}
+ set apply_cmd {apply --whitespace=nowarn}
set mi [lindex $file_states($current_diff_path) 0]
if {$current_diff_side eq $ui_index} {
set failed_msg [mc "Failed to unstage selected hunk."]
- lappend apply_cmd --reverse
+ lappend apply_cmd --reverse --cached
if {[string index $mi 0] ne {M}} {
unlock_index
return
}
} else {
- set failed_msg [mc "Failed to stage selected hunk."]
+ if {$revert} {
+ set failed_msg [mc "Failed to revert selected hunk."]
+ lappend apply_cmd --reverse
+ } else {
+ set failed_msg [mc "Failed to stage selected hunk."]
+ lappend apply_cmd --cached
+ }
+
if {[string index $mi 1] ne {M}} {
unlock_index
return
set e_lno end
}
+ set wholepatch "$current_diff_header[$ui_diff get $s_lno $e_lno]"
+
if {[catch {
set enc [get_path_encoding $current_diff_path]
set p [eval git_write $apply_cmd]
fconfigure $p -translation binary -encoding $enc
- puts -nonewline $p $current_diff_header
- puts -nonewline $p [$ui_diff get $s_lno $e_lno]
+ puts -nonewline $p $wholepatch
close $p} err]} {
- error_popup [append $failed_msg "\n\n$err"]
+ error_popup "$failed_msg\n\n$err"
unlock_index
return
}
+ if {$revert} {
+ # Save a copy of this patch for undoing reverts.
+ set last_revert $wholepatch
+ set last_revert_enc $enc
+ }
+
$ui_diff conf -state normal
$ui_diff delete $s_lno $e_lno
$ui_diff conf -state disabled
+ # Check if the hunk was the last one in the file.
if {[$ui_diff get 1.0 end] eq "\n"} {
set o _
} else {
set o ?
}
- if {$current_diff_side eq $ui_index} {
+ # Update the status flags.
+ if {$revert} {
+ set mi [string index $mi 0]$o
+ } elseif {$current_diff_side eq $ui_index} {
set mi ${o}M
} elseif {[string index $mi 0] eq {_}} {
set mi M$o
}
}
-proc apply_range_or_line {x y} {
+proc apply_or_revert_range_or_line {x y revert} {
global current_diff_path current_diff_header current_diff_side
- global ui_diff ui_index file_states
+ global ui_diff ui_index file_states last_revert
set selected [$ui_diff tag nextrange sel 0.0]
if {$current_diff_path eq {} || $current_diff_header eq {}} return
if {![lock_index apply_hunk]} return
- set apply_cmd {apply --cached --whitespace=nowarn}
+ set apply_cmd {apply --whitespace=nowarn}
set mi [lindex $file_states($current_diff_path) 0]
if {$current_diff_side eq $ui_index} {
set failed_msg [mc "Failed to unstage selected line."]
set to_context {+}
- lappend apply_cmd --reverse
+ lappend apply_cmd --reverse --cached
if {[string index $mi 0] ne {M}} {
unlock_index
return
}
} else {
- set failed_msg [mc "Failed to stage selected line."]
- set to_context {-}
+ if {$revert} {
+ set failed_msg [mc "Failed to revert selected line."]
+ set to_context {+}
+ lappend apply_cmd --reverse
+ } else {
+ set failed_msg [mc "Failed to stage selected line."]
+ set to_context {-}
+ lappend apply_cmd --cached
+ }
+
if {[string index $mi 1] ne {M}} {
unlock_index
return
# context line
set ln [$ui_diff get $i_l $next_l]
set patch "$patch$pre_context$ln"
- set n [expr $n+1]
- set m [expr $m+1]
+ # Skip the "\ No newline at end of
+ # file". Depending on the locale setting
+ # we don't know what this line looks
+ # like exactly. The only thing we do
+ # know is that it starts with "\ "
+ if {![string match {\\ *} $ln]} {
+ set n [expr $n+1]
+ set m [expr $m+1]
+ }
set pre_context {}
} elseif {$c1 eq $to_context} {
# turn change line into context line
puts -nonewline $p $current_diff_header
puts -nonewline $p $wholepatch
close $p} err]} {
- error_popup [append $failed_msg "\n\n$err"]
+ error_popup "$failed_msg\n\n$err"
+ unlock_index
+ return
}
+ if {$revert} {
+ # Save a copy of this patch for undoing reverts.
+ set last_revert $current_diff_header$wholepatch
+ set last_revert_enc $enc
+ }
+
+ unlock_index
+}
+
+# Undo the last line/hunk reverted. When hunks and lines are reverted, a copy
+# of the diff applied is saved. Re-apply that diff to undo the revert.
+#
+# Right now, we only use a single variable to hold the copy, and not a
+# stack/deque for simplicity, so multiple undos are not possible. Maybe this
+# can be added if the need for something like this is felt in the future.
+proc undo_last_revert {} {
+ global last_revert current_diff_path current_diff_header
+ global last_revert_enc
+
+ if {$last_revert eq {}} return
+ if {![lock_index apply_hunk]} return
+
+ set apply_cmd {apply --whitespace=nowarn}
+ set failed_msg [mc "Failed to undo last revert."]
+
+ if {[catch {
+ set enc $last_revert_enc
+ set p [eval git_write $apply_cmd]
+ fconfigure $p -translation binary -encoding $enc
+ puts -nonewline $p $last_revert
+ close $p} err]} {
+ error_popup "$failed_msg\n\n$err"
+ unlock_index
+ return
+ }
+
+ set last_revert {}
+
unlock_index
}