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-rw-r--r--git-gui/lib/blame.tcl164
1 files changed, 150 insertions, 14 deletions
diff --git a/git-gui/lib/blame.tcl b/git-gui/lib/blame.tcl
index b6e42cbc8f..827c85d67f 100644
--- a/git-gui/lib/blame.tcl
+++ b/git-gui/lib/blame.tcl
@@ -58,7 +58,7 @@ field tooltip_t {} ; # Text widget in $tooltip_wm
field tooltip_timer {} ; # Current timer event for our tooltip
field tooltip_commit {} ; # Commit(s) in tooltip
-constructor new {i_commit i_path} {
+constructor new {i_commit i_path i_jump} {
global cursor_ptr
variable active_color
variable group_colors
@@ -259,6 +259,12 @@ constructor new {i_commit i_path} {
$w.ctxm add command \
-label [mc "Do Full Copy Detection"] \
-command [cb _fullcopyblame]
+ $w.ctxm add command \
+ -label [mc "Show History Context"] \
+ -command [cb _gitkcommit]
+ $w.ctxm add command \
+ -label [mc "Blame Parent Commit"] \
+ -command [cb _blameparent]
foreach i $w_columns {
for {set g 0} {$g < [llength $group_colors]} {incr g} {
@@ -332,7 +338,7 @@ constructor new {i_commit i_path} {
wm protocol $top WM_DELETE_WINDOW "destroy $top"
bind $top <Destroy> [cb _kill]
- _load $this {}
+ _load $this $i_jump
}
method _kill {} {
@@ -787,19 +793,27 @@ method _load_commit {cur_w cur_d pos} {
set lno [lindex [split [$cur_w index $pos] .] 0]
set dat [lindex $line_data $lno]
if {$dat ne {}} {
- lappend history [list \
- $commit $path \
- $highlight_column \
- $highlight_line \
- [lindex [$w_file xview] 0] \
- [lindex [$w_file yview] 0] \
- ]
- set commit [lindex $dat 0]
- set path [lindex $dat 1]
- _load $this [list [lindex $dat 2]]
+ _load_new_commit $this \
+ [lindex $dat 0] \
+ [lindex $dat 1] \
+ [list [lindex $dat 2]]
}
}
+method _load_new_commit {new_commit new_path jump} {
+ lappend history [list \
+ $commit $path \
+ $highlight_column \
+ $highlight_line \
+ [lindex [$w_file xview] 0] \
+ [lindex [$w_file yview] 0] \
+ ]
+
+ set commit $new_commit
+ set path $new_path
+ _load $this $jump
+}
+
method _showcommit {cur_w lno} {
global repo_config
variable active_color
@@ -905,10 +919,14 @@ method _showcommit {cur_w lno} {
}
}
-method _copycommit {} {
+method _get_click_amov_info {} {
set pos @$::cursorX,$::cursorY
set lno [lindex [split [$::cursorW index $pos] .] 0]
- set dat [lindex $amov_data $lno]
+ return [lindex $amov_data $lno]
+}
+
+method _copycommit {} {
+ set dat [_get_click_amov_info $this]
if {$dat ne {}} {
clipboard clear
clipboard append \
@@ -918,6 +936,124 @@ method _copycommit {} {
}
}
+method _format_offset_date {base offset} {
+ set exval [expr {$base + $offset*24*60*60}]
+ return [clock format $exval -format {%Y-%m-%d}]
+}
+
+method _gitkcommit {} {
+ set dat [_get_click_amov_info $this]
+ if {$dat ne {}} {
+ set cmit [lindex $dat 0]
+ set radius [get_config gui.blamehistoryctx]
+ set cmdline [list --select-commit=$cmit]
+
+ if {$radius > 0} {
+ set author_time {}
+ set committer_time {}
+
+ catch {set author_time $header($cmit,author-time)}
+ catch {set committer_time $header($cmit,committer-time)}
+
+ if {$committer_time eq {}} {
+ set committer_time $author_time
+ }
+
+ set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
+ set before_time [_format_offset_date $this $committer_time $radius]
+
+ lappend cmdline --after=$after_time --before=$before_time
+ }
+
+ lappend cmdline $cmit
+
+ set base_rev "HEAD"
+ if {$commit ne {}} {
+ set base_rev $commit
+ }
+
+ if {$base_rev ne $cmit} {
+ lappend cmdline $base_rev
+ }
+
+ do_gitk $cmdline
+ }
+}
+
+method _blameparent {} {
+ set dat [_get_click_amov_info $this]
+ if {$dat ne {}} {
+ set cmit [lindex $dat 0]
+ set new_path [lindex $dat 1]
+
+ if {[catch {set cparent [git rev-parse --verify "$cmit^"]}]} {
+ error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
+ return;
+ }
+
+ _kill $this
+
+ # Generate a diff between the commit and its parent,
+ # and use the hunks to update the line number.
+ # Request zero context to simplify calculations.
+ if {[catch {set fd [eval git_read diff-tree \
+ --unified=0 $cparent $cmit $new_path]} err]} {
+ $status stop [mc "Unable to display parent"]
+ error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
+ return
+ }
+
+ set r_orig_line [lindex $dat 2]
+
+ fconfigure $fd \
+ -blocking 0 \
+ -encoding binary \
+ -translation binary
+ fileevent $fd readable [cb _read_diff_load_commit \
+ $fd $cparent $new_path $r_orig_line]
+ set current_fd $fd
+ }
+}
+
+method _read_diff_load_commit {fd cparent new_path tline} {
+ if {$fd ne $current_fd} {
+ catch {close $fd}
+ return
+ }
+
+ while {[gets $fd line] >= 0} {
+ if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
+ old_line osz old_size new_line nsz new_size]} {
+
+ if {$osz eq {}} { set old_size 1 }
+ if {$nsz eq {}} { set new_size 1 }
+
+ if {$new_line <= $tline} {
+ if {[expr {$new_line + $new_size}] > $tline} {
+ # Target line within the hunk
+ set line_shift [expr {
+ ($new_size-$old_size)*($tline-$new_line)/$new_size
+ }]
+ } else {
+ set line_shift [expr {$new_size-$old_size}]
+ }
+
+ set r_orig_line [expr {$r_orig_line - $line_shift}]
+ }
+ }
+ }
+
+ if {[eof $fd]} {
+ close $fd;
+ set current_fd {}
+
+ _load_new_commit $this \
+ $cparent \
+ $new_path \
+ [list $r_orig_line]
+ }
+} ifdeleted { catch {close $fd} }
+
method _show_tooltip {cur_w pos} {
if {$tooltip_wm ne {}} {
_open_tooltip $this $cur_w