git-gui: Implemented amended commits.

Also fixed a bug related that caused a crash if the file currently
in the diff viewer is no longer modified after the commit.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Shawn O. Pearce 2006-11-06 21:34:10 -05:00
parent ec6b424abb
commit e57ca85e11

160
git-gui
View File

@ -21,6 +21,10 @@ set update_index_fd {}
set disable_on_lock [list]
set index_lock_type none
set HEAD {}
set PARENT {}
set commit_type {}
proc lock_index {type} {
global index_lock_type disable_on_lock
@ -63,14 +67,23 @@ proc repository_state {hdvar ctvar} {
}
}
proc update_status {} {
global HEAD commit_type
proc update_status {{final Ready.}} {
global HEAD PARENT commit_type
global ui_index ui_other ui_status_value ui_comm
global status_active file_states
if {$status_active || ![lock_index read]} return
repository_state HEAD commit_type
repository_state new_HEAD new_type
if {$commit_type == {amend}
&& $new_type == {normal}
&& $new_HEAD == $HEAD} {
} else {
set HEAD $new_HEAD
set PARENT $new_HEAD
set commit_type $new_type
}
array unset file_states
foreach w [list $ui_index $ui_other] {
$w conf -state normal
@ -91,11 +104,11 @@ proc update_status {} {
set ui_status_value {Refreshing file status...}
set fd_rf [open "| git update-index -q --unmerged --refresh" r]
fconfigure $fd_rf -blocking 0 -translation binary
fileevent $fd_rf readable [list read_refresh $fd_rf]
fileevent $fd_rf readable [list read_refresh $fd_rf $final]
}
proc read_refresh {fd} {
global gitdir HEAD commit_type
proc read_refresh {fd final} {
global gitdir PARENT commit_type
global ui_index ui_other ui_status_value ui_comm
global status_active file_states
@ -112,27 +125,27 @@ proc read_refresh {fd} {
set status_active 3
set ui_status_value {Scanning for modified files ...}
set fd_di [open "| git diff-index --cached -z $HEAD" r]
set fd_di [open "| git diff-index --cached -z $PARENT" r]
set fd_df [open "| git diff-files -z" r]
set fd_lo [open $ls_others r]
fconfigure $fd_di -blocking 0 -translation binary
fconfigure $fd_df -blocking 0 -translation binary
fconfigure $fd_lo -blocking 0 -translation binary
fileevent $fd_di readable [list read_diff_index $fd_di]
fileevent $fd_df readable [list read_diff_files $fd_df]
fileevent $fd_lo readable [list read_ls_others $fd_lo]
fileevent $fd_di readable [list read_diff_index $fd_di $final]
fileevent $fd_df readable [list read_diff_files $fd_df $final]
fileevent $fd_lo readable [list read_ls_others $fd_lo $final]
}
proc load_message {file} {
global gitdir ui_comm
set f [file join $gitdir $file]
if {[file exists $f]} {
if {[file isfile $f]} {
if {[catch {set fd [open $f r]}]} {
return 0
}
set content [read $fd]
set content [string trim [read $fd]]
close $fd
$ui_comm delete 0.0 end
$ui_comm insert end $content
@ -141,7 +154,7 @@ proc load_message {file} {
return 0
}
proc read_diff_index {fd} {
proc read_diff_index {fd final} {
global buf_rdi
append buf_rdi [read $fd]
@ -152,10 +165,10 @@ proc read_diff_index {fd} {
display_file $p [string index $m end]_
}
}
status_eof $fd buf_rdi
status_eof $fd buf_rdi $final
}
proc read_diff_files {fd} {
proc read_diff_files {fd final} {
global buf_rdf
append buf_rdf [read $fd]
@ -166,10 +179,10 @@ proc read_diff_files {fd} {
display_file $p _[string index $m end]
}
}
status_eof $fd buf_rdf
status_eof $fd buf_rdf $final
}
proc read_ls_others {fd} {
proc read_ls_others {fd final} {
global buf_rlo
append buf_rlo [read $fd]
@ -178,21 +191,25 @@ proc read_ls_others {fd} {
foreach p [lrange $pck 0 end-1] {
display_file $p _O
}
status_eof $fd buf_rlo
status_eof $fd buf_rlo $final
}
proc status_eof {fd buf} {
proc status_eof {fd buf final} {
global status_active $buf
global ui_fname_value ui_status_value
global ui_fname_value ui_status_value file_states
if {[eof $fd]} {
set $buf {}
close $fd
if {[incr status_active -1] == 0} {
unlock_index
set ui_status_value {Ready.}
if {$ui_fname_value != {}} {
set ui_status_value $final
if {$ui_fname_value != {} && [array names file_states \
-exact $ui_fname_value] != {}} {
show_diff $ui_fname_value
} else {
clear_diff
}
}
}
@ -213,7 +230,7 @@ proc clear_diff {} {
}
proc show_diff {path} {
global file_states HEAD diff_3way diff_active
global file_states PARENT diff_3way diff_active
global ui_diff ui_fname_value ui_fstatus_value ui_status_value
if {$diff_active || ![lock_index read]} return
@ -227,12 +244,12 @@ proc show_diff {path} {
set ui_fstatus_value [mapdesc $m $path]
set ui_status_value "Loading diff of $path..."
set cmd [list | git diff-index -p $HEAD -- $path]
set cmd [list | git diff-index -p $PARENT -- $path]
switch $m {
AM {
}
MM {
set cmd [list | git diff-index -p -c $HEAD $path]
set cmd [list | git diff-index -p -c $PARENT $path]
}
_O {
if {[catch {
@ -320,6 +337,51 @@ proc read_diff {fd} {
##
## commit
proc load_last_commit {} {
global HEAD PARENT commit_type ui_comm
if {$commit_type == {amend}} return
if {$commit_type != {normal}} {
error_popup "Can't amend a $commit_type commit."
return
}
set msg {}
set parent {}
set parent_count 0
if {[catch {
set fd [open "| git cat-file commit $HEAD" r]
while {[gets $fd line] > 0} {
if {[string match {parent *} $line]} {
set parent [string range $line 7 end]
incr parent_count
}
}
set msg [string trim [read $fd]]
close $fd
} err]} {
error_popup "Error loading commit data for amend:\n$err"
return
}
if {$parent_count == 0} {
set commit_type amend
set HEAD {}
set PARENT {}
update_status
} elseif {$parent_count == 1} {
set commit_type amend
set PARENT $parent
$ui_comm delete 0.0 end
$ui_comm insert end $msg
$ui_comm edit modified false
update_status
} else {
error_popup {You can't amend a merge commit.}
return
}
}
proc commit_tree {} {
global tcl_platform HEAD gitdir commit_type file_states
global commit_active ui_status_value
@ -330,7 +392,10 @@ proc commit_tree {} {
# -- Our in memory state should match the repository.
#
repository_state curHEAD cur_type
if {$commit_type != $cur_type || $HEAD != $curHEAD} {
if {$commit_type == {amend}
&& $cur_type == {normal}
&& $curHEAD == $HEAD} {
} elseif {$commit_type != $cur_type || $HEAD != $curHEAD} {
error_popup {Last scanned state does not match repository state.
Its highly likely that another Git program modified the
@ -397,7 +462,7 @@ A good commit message has the following format:
# -- Ask the pre-commit hook for the go-ahead.
#
set pchook [file join $gitdir hooks pre-commit]
if {$tcl_platform(platform) == {windows} && [file exists $pchook]} {
if {$tcl_platform(platform) == {windows} && [file isfile $pchook]} {
set pchook [list sh -c \
"if test -x \"$pchook\"; then exec \"$pchook\"; fi"]
} elseif {[file executable $pchook]} {
@ -422,8 +487,8 @@ A good commit message has the following format:
}
proc commit_stage2 {fd_wt curHEAD msg} {
global single_commit gitdir HEAD commit_type
global commit_active ui_status_value comm_ui
global single_commit gitdir PARENT commit_type
global commit_active ui_status_value ui_comm
gets $fd_wt tree_id
close $fd_wt
@ -439,8 +504,8 @@ proc commit_stage2 {fd_wt curHEAD msg} {
# -- Create the commit.
#
set cmd [list git commit-tree $tree_id]
if {$commit_type != {initial}} {
lappend cmd -p $HEAD
if {$PARENT != {}} {
lappend cmd -p $PARENT
}
if {$commit_type == {merge}} {
if {[catch {
@ -457,7 +522,7 @@ proc commit_stage2 {fd_wt curHEAD msg} {
return
}
}
if {$commit_type == {initial}} {
if {$PARENT == {}} {
# git commit-tree writes to stderr during initial commit.
lappend cmd 2>/dev/null
}
@ -482,9 +547,7 @@ proc commit_stage2 {fd_wt curHEAD msg} {
} else {
append reflogm {: } $msg
}
set cmd [list git update-ref \
-m $reflogm \
HEAD $cmt_id $curHEAD]
set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
if {[catch {eval exec $cmd} err]} {
error_popup "update-ref failed:\n$err"
set commit_active 0
@ -506,15 +569,15 @@ proc commit_stage2 {fd_wt curHEAD msg} {
catch {exec git rerere}
}
$comm_ui delete 0.0 end
$comm_ui edit modified false
$ui_comm delete 0.0 end
$ui_comm edit modified false
if {$single_commit} do_quit
set commit_type {}
set commit_active 0
set ui_status_value "Changes committed as $cmt_id."
unlock_index
update_status
update_status "Changes committed as $cmt_id."
}
######################################################################
@ -877,7 +940,7 @@ proc do_gitk {} {
global tcl_platform ui_status_value starting_gitk_msg
set ui_status_value $starting_gitk_msg
after 5000 {
after 10000 {
if {$ui_status_value == $starting_gitk_msg} {
set ui_status_value {Ready.}
}
@ -953,6 +1016,10 @@ proc do_signoff {} {
}
}
proc do_amend_last {} {
load_last_commit
}
proc do_commit {} {
commit_tree
}
@ -1027,6 +1094,11 @@ menu .mbar.commit
-font $mainfont
lappend disable_on_lock \
[list .mbar.commit entryconf [.mbar.commit index last] -state]
.mbar.commit add command -label {Amend Last Commit} \
-command do_amend_last \
-font $mainfont
lappend disable_on_lock \
[list .mbar.commit entryconf [.mbar.commit index last] -state]
.mbar.commit add command -label {Check-in All Files} \
-command do_checkin_all \
-accelerator $M1T-U \
@ -1145,7 +1217,7 @@ $ui_diff tag conf dni -foreground "#a000a0"
$ui_diff tag conf bold -font [concat $difffont bold]
# -- Commit Area
frame .vpane.commarea -height 150
frame .vpane.commarea -height 170
.vpane add .vpane.commarea -stick nsew
# -- Commit Area Buttons
@ -1163,6 +1235,12 @@ button .vpane.commarea.buttons.rescan -text {Rescan} \
pack .vpane.commarea.buttons.rescan -side top -fill x
lappend disable_on_lock {.vpane.commarea.buttons.rescan conf -state}
button .vpane.commarea.buttons.amend -text {Amend Last} \
-command do_amend_last \
-font $mainfont
pack .vpane.commarea.buttons.amend -side top -fill x
lappend disable_on_lock {.vpane.commarea.buttons.amend conf -state}
button .vpane.commarea.buttons.ciall -text {Check-in All} \
-command do_checkin_all \
-font $mainfont