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* [PATCH] Add a basic support of SHA256 repositories into Gitk
@ 2021-06-14 16:18 Rostislav Krasny via GitGitGadget
  2021-06-16  1:28 ` Junio C Hamano
  2022-05-02 14:24 ` Rostislav Krasny
  0 siblings, 2 replies; 5+ messages in thread
From: Rostislav Krasny via GitGitGadget @ 2021-06-14 16:18 UTC (permalink / raw)
  To: git; +Cc: Rostislav Krasny

From: Rostislav Krasny <rosti.bsd@gmail.com>

Signed-off-by: Rostislav Krasny <rosti.bsd@gmail.com>
---
    gitk: Add a basic support of SHA256 repositories into Gitk
    
    This PR makes Gitk working on both SHA256 and SHA1 repositories without
    errors/crashes. I made it by changing and testing the gitk script of Git
    for Windows [https://gitforwindows.org/] version 2.32.0.windows.1 that
    is a little bit different than the mainstream 2.32.0 version.
    
    Still not fixed functionality: [1] There is the "Auto-select SHA1
    (length)" configuration preference that affects "Copy commit reference"
    on both SHA1 and SHA256 repositories.
    
    A new "Auto-select SHA256 (length)" configuration preference should be
    added and used on SHA256 repositories instead of the old one. Since I'm
    not familiar with Tcl/Tk and this issue isn't critical I didn't
    implement it.

Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-979%2Frosti-il%2Fgitk-sha256-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-979/rosti-il/gitk-sha256-v1
Pull-Request: https://github.com/gitgitgadget/git/pull/979

 gitk-git/gitk | 66 ++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 47 insertions(+), 19 deletions(-)

diff --git a/gitk-git/gitk b/gitk-git/gitk
index 23d9dd1fe0d0..2da53604cdc8 100755
--- a/gitk-git/gitk
+++ b/gitk-git/gitk
@@ -290,6 +290,7 @@ proc parseviewargs {n arglist} {
 
 proc parseviewrevs {view revs} {
     global vposids vnegids
+    global hashlength
 
     if {$revs eq {}} {
         set revs HEAD
@@ -303,7 +304,7 @@ proc parseviewrevs {view revs} {
         set badrev {}
         for {set l 0} {$l < [llength $errlines]} {incr l} {
             set line [lindex $errlines $l]
-            if {!([string length $line] == 40 && [string is xdigit $line])} {
+            if {!([string length $line] == $hashlength && [string is xdigit $line])} {
                 if {[string match "fatal:*" $line]} {
                     if {[string match "fatal: ambiguous argument*" $line]
                         && $badrev ne {}} {
@@ -507,6 +508,7 @@ proc updatecommits {} {
     global hasworktree
     global varcid vposids vnegids vflags vrevs
     global show_notes
+    global hashlength
 
     set hasworktree [hasworktree]
     rereadrefs
@@ -540,7 +542,7 @@ proc updatecommits {} {
             # take out positive refs that we asked for before or
             # that we have already seen
             foreach rev $revs {
-                if {[string length $rev] == 40} {
+                if {[string length $rev] == $hashlength} {
                     if {[lsearch -exact $oldpos $rev] < 0
                         && ![info exists varcid($view,$rev)]} {
                         lappend newrevs $rev
@@ -1418,6 +1420,7 @@ proc getcommitlines {fd inst view updating}  {
     global parents children curview hlview
     global idpending ordertok
     global varccommits varcid varctok vtokmod vfilelimit vshortids
+    global hashlength
 
     set stuff [read $fd 500000]
     # git log doesn't terminate the last commit with a null...
@@ -1500,7 +1503,7 @@ proc getcommitlines {fd inst view updating}  {
             }
             set ok 1
             foreach id $ids {
-                if {[string length $id] != 40} {
+                if {[string length $id] != $hashlength} {
                     set ok 0
                     break
                 }
@@ -1780,6 +1783,7 @@ proc readrefs {} {
     global selecthead selectheadid
     global hideremotes
     global tclencoding
+    global hashlength
 
     foreach v {tagids idtags headids idheads otherrefids idotherrefs} {
         unset -nocomplain $v
@@ -1789,9 +1793,9 @@ proc readrefs {} {
         fconfigure $refd -encoding $tclencoding
     }
     while {[gets $refd line] >= 0} {
-        if {[string index $line 40] ne " "} continue
-        set id [string range $line 0 39]
-        set ref [string range $line 41 end]
+        if {[string index $line $hashlength] ne " "} continue
+        set id [string range $line 0 [expr {$hashlength - 1}]]
+        set ref [string range $line [expr {$hashlength + 1}] end]
         if {![string match "refs/*" $ref]} continue
         set name [string range $ref 5 end]
         if {[string match "remotes/*" $name]} {
@@ -2082,6 +2086,7 @@ proc makewindow {} {
     global have_tk85 use_ttk NS
     global git_version
     global worddiff
+    global hashlength hashalgorithm
 
     # The "mc" arguments here are purely so that xgettext
     # sees the following string as needing to be translated
@@ -2203,11 +2208,11 @@ proc makewindow {} {
     set sha1entry .tf.bar.sha1
     set entries $sha1entry
     set sha1but .tf.bar.sha1label
-    button $sha1but -text "[mc "SHA1 ID:"] " -state disabled -relief flat \
+    button $sha1but -text "[mc "$hashalgorithm ID:"] " -state disabled -relief flat \
         -command gotocommit -width 8
     $sha1but conf -disabledforeground [$sha1but cget -foreground]
     pack .tf.bar.sha1label -side left
-    ${NS}::entry $sha1entry -width 40 -font textfont -textvariable sha1string
+    ${NS}::entry $sha1entry -width $hashlength -font textfont -textvariable sha1string
     trace add variable sha1string write sha1change
     pack $sha1entry -side left -pady 2
 
@@ -3926,6 +3931,7 @@ proc stopblaming {} {
 
 proc read_line_source {fd inst} {
     global blamestuff curview commfd blameinst nullid nullid2
+    global hashlength
 
     while {[gets $fd line] >= 0} {
         lappend blamestuff($inst) $line
@@ -3946,7 +3952,7 @@ proc read_line_source {fd inst} {
     set line [split [lindex $blamestuff($inst) 0] " "]
     set id [lindex $line 0]
     set lnum [lindex $line 1]
-    if {[string length $id] == 40 && [string is xdigit $id] &&
+    if {[string length $id] == $hashlength && [string is xdigit $id] &&
         [string is digit -strict $lnum]} {
         # look for "filename" line
         foreach l $blamestuff($inst) {
@@ -5269,13 +5275,14 @@ proc get_viewmainhead {view} {
 # git rev-list should give us just 1 line to use as viewmainheadid($view)
 proc getviewhead {fd inst view} {
     global viewmainheadid commfd curview viewinstances showlocalchanges
+    global hashlength
 
     set id {}
     if {[gets $fd line] < 0} {
         if {![eof $fd]} {
             return 1
         }
-    } elseif {[string length $line] == 40 && [string is xdigit $line]} {
+    } elseif {[string length $line] == $hashlength && [string is xdigit $line]} {
         set id $line
     }
     set viewmainheadid($view) $id
@@ -7039,10 +7046,11 @@ proc commit_descriptor {p} {
 # Also look for URLs of the form "http[s]://..." and make them web links.
 proc appendwithlinks {text tags} {
     global ctext linknum curview
+    global hashlength
 
     set start [$ctext index "end - 1c"]
     $ctext insert end $text $tags
-    set links [regexp -indices -all -inline {(?:\m|-g)[0-9a-f]{6,40}\M} $text]
+    set links [regexp -indices -all -inline [string map "@@ $hashlength" {(?:\m|-g)[0-9a-f]{6,@@}\M}] $text]
     foreach l $links {
         set s [lindex $l 0]
         set e [lindex $l 1]
@@ -8716,13 +8724,17 @@ proc incrfont {inc} {
 
 proc clearsha1 {} {
     global sha1entry sha1string
-    if {[string length $sha1string] == 40} {
+    global hashlength
+
+    if {[string length $sha1string] == $hashlength} {
         $sha1entry delete 0 end
     }
 }
 
 proc sha1change {n1 n2 op} {
     global sha1string currentid sha1but
+    global hashalgorithm
+
     if {$sha1string == {}
         || ([info exists currentid] && $sha1string == $currentid)} {
         set state disabled
@@ -8733,12 +8745,13 @@ proc sha1change {n1 n2 op} {
     if {$state == "normal"} {
         $sha1but conf -state normal -relief raised -text "[mc "Goto:"] "
     } else {
-        $sha1but conf -state disabled -relief flat -text "[mc "SHA1 ID:"] "
+        $sha1but conf -state disabled -relief flat -text "[mc "$hashalgorithm ID:"] "
     }
 }
 
 proc gotocommit {} {
     global sha1string tagids headids curview varcid
+    global hashlength hashalgorithm
 
     if {$sha1string == {}
         || ([info exists currentid] && $sha1string == $currentid)} return
@@ -8748,11 +8761,11 @@ proc gotocommit {} {
         set id $headids($sha1string)
     } else {
         set id [string tolower $sha1string]
-        if {[regexp {^[0-9a-f]{4,39}$} $id]} {
+        if {[regexp [string map "@@ [expr $hashlength - 1]" {^[0-9a-f]{4,@@}$}] $id]} {
             set matches [longid $id]
             if {$matches ne {}} {
                 if {[llength $matches] > 1} {
-                    error_popup [mc "Short SHA1 id %s is ambiguous" $id]
+                    error_popup [mc "Short $hashalgorithm id %s is ambiguous" $id]
                     return
                 }
                 set id [lindex $matches 0]
@@ -8769,7 +8782,7 @@ proc gotocommit {} {
         return
     }
     if {[regexp {^[0-9a-fA-F]{4,}$} $sha1string]} {
-        set msg [mc "SHA1 id %s is not known" $sha1string]
+        set msg [mc "$hashalgorithm id %s is not known" $sha1string]
     } else {
         set msg [mc "Revision %s is not in the current view" $sha1string]
     }
@@ -9446,10 +9459,11 @@ proc mktaggo {} {
 
 proc copyreference {} {
     global rowmenuid autosellen
+    global hashlength
 
     set format "%h (\"%s\", %ad)"
     set cmd [list git show -s --pretty=format:$format --date=short]
-    if {$autosellen < 40} {
+    if {$autosellen < $hashlength} {
         lappend cmd --abbrev=$autosellen
     }
     set reference [eval exec $cmd $rowmenuid]
@@ -9460,6 +9474,7 @@ proc copyreference {} {
 
 proc writecommit {} {
     global rowmenuid wrcomtop commitinfo wrcomcmd NS
+    global hashlength
 
     set top .writecommit
     set wrcomtop $top
@@ -9469,7 +9484,7 @@ proc writecommit {} {
     ${NS}::label $top.title -text [mc "Write commit to file"]
     grid $top.title - -pady 10
     ${NS}::label $top.id -text [mc "ID:"]
-    ${NS}::entry $top.sha1 -width 40
+    ${NS}::entry $top.sha1 -width $hashlength
     $top.sha1 insert 0 $rowmenuid
     $top.sha1 conf -state readonly
     grid $top.id $top.sha1 -sticky w
@@ -9549,6 +9564,7 @@ proc mvbranch {} {
 
 proc branchdia {top valvar uivar} {
     global NS commitinfo
+    global hashlength
     upvar $valvar val $uivar ui
 
     catch {destroy $top}
@@ -9557,7 +9573,7 @@ proc branchdia {top valvar uivar} {
     ${NS}::label $top.title -text $ui(title)
     grid $top.title - -pady 10
     ${NS}::label $top.id -text [mc "ID:"]
-    ${NS}::entry $top.sha1 -width 40
+    ${NS}::entry $top.sha1 -width $hashlength
     $top.sha1 insert 0 $val(id)
     $top.sha1 conf -state readonly
     grid $top.id $top.sha1 -sticky w
@@ -12320,6 +12336,18 @@ if {$tclencoding == {}} {
     puts stderr "Warning: encoding $gitencoding is not supported by Tcl/Tk"
 }
 
+set objformat [exec git rev-parse --show-object-format]
+if {$objformat eq "sha1"} {
+    set hashlength 40
+} elseif {$objformat eq "sha256"} {
+    set hashlength 64
+} else {
+    error_popup "[mc "Not supported hash algorithm:"] {$objformat}"
+    exit 1
+}
+set hashalgorithm [string toupper $objformat]
+unset objformat
+
 set gui_encoding [encoding system]
 catch {
     set enc [exec git config --get gui.encoding]

base-commit: ebf3c04b262aa27fbb97f8a0156c2347fecafafb
-- 
gitgitgadget

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH] Add a basic support of SHA256 repositories into Gitk
  2021-06-14 16:18 [PATCH] Add a basic support of SHA256 repositories into Gitk Rostislav Krasny via GitGitGadget
@ 2021-06-16  1:28 ` Junio C Hamano
  2021-06-16 14:19   ` Ævar Arnfjörð Bjarmason
  2022-05-02 14:24 ` Rostislav Krasny
  1 sibling, 1 reply; 5+ messages in thread
From: Junio C Hamano @ 2021-06-16  1:28 UTC (permalink / raw)
  To: Paul Mackerras; +Cc: Rostislav Krasny via GitGitGadget, git, Rostislav Krasny

"Rostislav Krasny via GitGitGadget" <gitgitgadget@gmail.com> writes:

> From: Rostislav Krasny <rosti.bsd@gmail.com>
>
> Signed-off-by: Rostislav Krasny <rosti.bsd@gmail.com>
> ---
>     gitk: Add a basic support of SHA256 repositories into Gitk

Looping-in the gitk maintainer.

>     This PR makes Gitk working on both SHA256 and SHA1 repositories without
>     errors/crashes. I made it by changing and testing the gitk script of Git
>     for Windows [https://gitforwindows.org/] version 2.32.0.windows.1 that
>     is a little bit different than the mainstream 2.32.0 version.
>     
>     Still not fixed functionality: [1] There is the "Auto-select SHA1
>     (length)" configuration preference that affects "Copy commit reference"
>     on both SHA1 and SHA256 repositories.
>     
>     A new "Auto-select SHA256 (length)" configuration preference should be
>     added and used on SHA256 repositories instead of the old one. Since I'm
>     not familiar with Tcl/Tk and this issue isn't critical I didn't
>     implement it.

Thanks, Rostislav; please follow Documentation/SubmittingPatches
next time you touch gitk (or git-gui), as they have their own
repositories and maintainers.

>
> Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-979%2Frosti-il%2Fgitk-sha256-v1
> Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-979/rosti-il/gitk-sha256-v1
> Pull-Request: https://github.com/gitgitgadget/git/pull/979
>
>  gitk-git/gitk | 66 ++++++++++++++++++++++++++++++++++++---------------
>  1 file changed, 47 insertions(+), 19 deletions(-)
>
> diff --git a/gitk-git/gitk b/gitk-git/gitk
> index 23d9dd1fe0d0..2da53604cdc8 100755
> --- a/gitk-git/gitk
> +++ b/gitk-git/gitk
> @@ -290,6 +290,7 @@ proc parseviewargs {n arglist} {
>  
>  proc parseviewrevs {view revs} {
>      global vposids vnegids
> +    global hashlength
>  
>      if {$revs eq {}} {
>          set revs HEAD
> @@ -303,7 +304,7 @@ proc parseviewrevs {view revs} {
>          set badrev {}
>          for {set l 0} {$l < [llength $errlines]} {incr l} {
>              set line [lindex $errlines $l]
> -            if {!([string length $line] == 40 && [string is xdigit $line])} {
> +            if {!([string length $line] == $hashlength && [string is xdigit $line])} {
>                  if {[string match "fatal:*" $line]} {
>                      if {[string match "fatal: ambiguous argument*" $line]
>                          && $badrev ne {}} {
> @@ -507,6 +508,7 @@ proc updatecommits {} {
>      global hasworktree
>      global varcid vposids vnegids vflags vrevs
>      global show_notes
> +    global hashlength
>  
>      set hasworktree [hasworktree]
>      rereadrefs
> @@ -540,7 +542,7 @@ proc updatecommits {} {
>              # take out positive refs that we asked for before or
>              # that we have already seen
>              foreach rev $revs {
> -                if {[string length $rev] == 40} {
> +                if {[string length $rev] == $hashlength} {
>                      if {[lsearch -exact $oldpos $rev] < 0
>                          && ![info exists varcid($view,$rev)]} {
>                          lappend newrevs $rev
> @@ -1418,6 +1420,7 @@ proc getcommitlines {fd inst view updating}  {
>      global parents children curview hlview
>      global idpending ordertok
>      global varccommits varcid varctok vtokmod vfilelimit vshortids
> +    global hashlength
>  
>      set stuff [read $fd 500000]
>      # git log doesn't terminate the last commit with a null...
> @@ -1500,7 +1503,7 @@ proc getcommitlines {fd inst view updating}  {
>              }
>              set ok 1
>              foreach id $ids {
> -                if {[string length $id] != 40} {
> +                if {[string length $id] != $hashlength} {
>                      set ok 0
>                      break
>                  }
> @@ -1780,6 +1783,7 @@ proc readrefs {} {
>      global selecthead selectheadid
>      global hideremotes
>      global tclencoding
> +    global hashlength
>  
>      foreach v {tagids idtags headids idheads otherrefids idotherrefs} {
>          unset -nocomplain $v
> @@ -1789,9 +1793,9 @@ proc readrefs {} {
>          fconfigure $refd -encoding $tclencoding
>      }
>      while {[gets $refd line] >= 0} {
> -        if {[string index $line 40] ne " "} continue
> -        set id [string range $line 0 39]
> -        set ref [string range $line 41 end]
> +        if {[string index $line $hashlength] ne " "} continue
> +        set id [string range $line 0 [expr {$hashlength - 1}]]
> +        set ref [string range $line [expr {$hashlength + 1}] end]
>          if {![string match "refs/*" $ref]} continue
>          set name [string range $ref 5 end]
>          if {[string match "remotes/*" $name]} {
> @@ -2082,6 +2086,7 @@ proc makewindow {} {
>      global have_tk85 use_ttk NS
>      global git_version
>      global worddiff
> +    global hashlength hashalgorithm
>  
>      # The "mc" arguments here are purely so that xgettext
>      # sees the following string as needing to be translated
> @@ -2203,11 +2208,11 @@ proc makewindow {} {
>      set sha1entry .tf.bar.sha1
>      set entries $sha1entry
>      set sha1but .tf.bar.sha1label
> -    button $sha1but -text "[mc "SHA1 ID:"] " -state disabled -relief flat \
> +    button $sha1but -text "[mc "$hashalgorithm ID:"] " -state disabled -relief flat \
>          -command gotocommit -width 8
>      $sha1but conf -disabledforeground [$sha1but cget -foreground]
>      pack .tf.bar.sha1label -side left
> -    ${NS}::entry $sha1entry -width 40 -font textfont -textvariable sha1string
> +    ${NS}::entry $sha1entry -width $hashlength -font textfont -textvariable sha1string
>      trace add variable sha1string write sha1change
>      pack $sha1entry -side left -pady 2
>  
> @@ -3926,6 +3931,7 @@ proc stopblaming {} {
>  
>  proc read_line_source {fd inst} {
>      global blamestuff curview commfd blameinst nullid nullid2
> +    global hashlength
>  
>      while {[gets $fd line] >= 0} {
>          lappend blamestuff($inst) $line
> @@ -3946,7 +3952,7 @@ proc read_line_source {fd inst} {
>      set line [split [lindex $blamestuff($inst) 0] " "]
>      set id [lindex $line 0]
>      set lnum [lindex $line 1]
> -    if {[string length $id] == 40 && [string is xdigit $id] &&
> +    if {[string length $id] == $hashlength && [string is xdigit $id] &&
>          [string is digit -strict $lnum]} {
>          # look for "filename" line
>          foreach l $blamestuff($inst) {
> @@ -5269,13 +5275,14 @@ proc get_viewmainhead {view} {
>  # git rev-list should give us just 1 line to use as viewmainheadid($view)
>  proc getviewhead {fd inst view} {
>      global viewmainheadid commfd curview viewinstances showlocalchanges
> +    global hashlength
>  
>      set id {}
>      if {[gets $fd line] < 0} {
>          if {![eof $fd]} {
>              return 1
>          }
> -    } elseif {[string length $line] == 40 && [string is xdigit $line]} {
> +    } elseif {[string length $line] == $hashlength && [string is xdigit $line]} {
>          set id $line
>      }
>      set viewmainheadid($view) $id
> @@ -7039,10 +7046,11 @@ proc commit_descriptor {p} {
>  # Also look for URLs of the form "http[s]://..." and make them web links.
>  proc appendwithlinks {text tags} {
>      global ctext linknum curview
> +    global hashlength
>  
>      set start [$ctext index "end - 1c"]
>      $ctext insert end $text $tags
> -    set links [regexp -indices -all -inline {(?:\m|-g)[0-9a-f]{6,40}\M} $text]
> +    set links [regexp -indices -all -inline [string map "@@ $hashlength" {(?:\m|-g)[0-9a-f]{6,@@}\M}] $text]
>      foreach l $links {
>          set s [lindex $l 0]
>          set e [lindex $l 1]
> @@ -8716,13 +8724,17 @@ proc incrfont {inc} {
>  
>  proc clearsha1 {} {
>      global sha1entry sha1string
> -    if {[string length $sha1string] == 40} {
> +    global hashlength
> +
> +    if {[string length $sha1string] == $hashlength} {
>          $sha1entry delete 0 end
>      }
>  }
>  
>  proc sha1change {n1 n2 op} {
>      global sha1string currentid sha1but
> +    global hashalgorithm
> +
>      if {$sha1string == {}
>          || ([info exists currentid] && $sha1string == $currentid)} {
>          set state disabled
> @@ -8733,12 +8745,13 @@ proc sha1change {n1 n2 op} {
>      if {$state == "normal"} {
>          $sha1but conf -state normal -relief raised -text "[mc "Goto:"] "
>      } else {
> -        $sha1but conf -state disabled -relief flat -text "[mc "SHA1 ID:"] "
> +        $sha1but conf -state disabled -relief flat -text "[mc "$hashalgorithm ID:"] "
>      }
>  }
>  
>  proc gotocommit {} {
>      global sha1string tagids headids curview varcid
> +    global hashlength hashalgorithm
>  
>      if {$sha1string == {}
>          || ([info exists currentid] && $sha1string == $currentid)} return
> @@ -8748,11 +8761,11 @@ proc gotocommit {} {
>          set id $headids($sha1string)
>      } else {
>          set id [string tolower $sha1string]
> -        if {[regexp {^[0-9a-f]{4,39}$} $id]} {
> +        if {[regexp [string map "@@ [expr $hashlength - 1]" {^[0-9a-f]{4,@@}$}] $id]} {
>              set matches [longid $id]
>              if {$matches ne {}} {
>                  if {[llength $matches] > 1} {
> -                    error_popup [mc "Short SHA1 id %s is ambiguous" $id]
> +                    error_popup [mc "Short $hashalgorithm id %s is ambiguous" $id]
>                      return
>                  }
>                  set id [lindex $matches 0]
> @@ -8769,7 +8782,7 @@ proc gotocommit {} {
>          return
>      }
>      if {[regexp {^[0-9a-fA-F]{4,}$} $sha1string]} {
> -        set msg [mc "SHA1 id %s is not known" $sha1string]
> +        set msg [mc "$hashalgorithm id %s is not known" $sha1string]
>      } else {
>          set msg [mc "Revision %s is not in the current view" $sha1string]
>      }
> @@ -9446,10 +9459,11 @@ proc mktaggo {} {
>  
>  proc copyreference {} {
>      global rowmenuid autosellen
> +    global hashlength
>  
>      set format "%h (\"%s\", %ad)"
>      set cmd [list git show -s --pretty=format:$format --date=short]
> -    if {$autosellen < 40} {
> +    if {$autosellen < $hashlength} {
>          lappend cmd --abbrev=$autosellen
>      }
>      set reference [eval exec $cmd $rowmenuid]
> @@ -9460,6 +9474,7 @@ proc copyreference {} {
>  
>  proc writecommit {} {
>      global rowmenuid wrcomtop commitinfo wrcomcmd NS
> +    global hashlength
>  
>      set top .writecommit
>      set wrcomtop $top
> @@ -9469,7 +9484,7 @@ proc writecommit {} {
>      ${NS}::label $top.title -text [mc "Write commit to file"]
>      grid $top.title - -pady 10
>      ${NS}::label $top.id -text [mc "ID:"]
> -    ${NS}::entry $top.sha1 -width 40
> +    ${NS}::entry $top.sha1 -width $hashlength
>      $top.sha1 insert 0 $rowmenuid
>      $top.sha1 conf -state readonly
>      grid $top.id $top.sha1 -sticky w
> @@ -9549,6 +9564,7 @@ proc mvbranch {} {
>  
>  proc branchdia {top valvar uivar} {
>      global NS commitinfo
> +    global hashlength
>      upvar $valvar val $uivar ui
>  
>      catch {destroy $top}
> @@ -9557,7 +9573,7 @@ proc branchdia {top valvar uivar} {
>      ${NS}::label $top.title -text $ui(title)
>      grid $top.title - -pady 10
>      ${NS}::label $top.id -text [mc "ID:"]
> -    ${NS}::entry $top.sha1 -width 40
> +    ${NS}::entry $top.sha1 -width $hashlength
>      $top.sha1 insert 0 $val(id)
>      $top.sha1 conf -state readonly
>      grid $top.id $top.sha1 -sticky w
> @@ -12320,6 +12336,18 @@ if {$tclencoding == {}} {
>      puts stderr "Warning: encoding $gitencoding is not supported by Tcl/Tk"
>  }
>  
> +set objformat [exec git rev-parse --show-object-format]
> +if {$objformat eq "sha1"} {
> +    set hashlength 40
> +} elseif {$objformat eq "sha256"} {
> +    set hashlength 64
> +} else {
> +    error_popup "[mc "Not supported hash algorithm:"] {$objformat}"
> +    exit 1
> +}
> +set hashalgorithm [string toupper $objformat]
> +unset objformat
> +
>  set gui_encoding [encoding system]
>  catch {
>      set enc [exec git config --get gui.encoding]
>
> base-commit: ebf3c04b262aa27fbb97f8a0156c2347fecafafb

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] Add a basic support of SHA256 repositories into Gitk
  2021-06-16  1:28 ` Junio C Hamano
@ 2021-06-16 14:19   ` Ævar Arnfjörð Bjarmason
  2021-06-19  0:56     ` Felipe Contreras
  0 siblings, 1 reply; 5+ messages in thread
From: Ævar Arnfjörð Bjarmason @ 2021-06-16 14:19 UTC (permalink / raw)
  To: Junio C Hamano
  Cc: Paul Mackerras, Rostislav Krasny via GitGitGadget, git,
	Rostislav Krasny


On Wed, Jun 16 2021, Junio C Hamano wrote:

> "Rostislav Krasny via GitGitGadget" <gitgitgadget@gmail.com> writes:
>
>> From: Rostislav Krasny <rosti.bsd@gmail.com>
>>
>> Signed-off-by: Rostislav Krasny <rosti.bsd@gmail.com>
>> ---
>>     gitk: Add a basic support of SHA256 repositories into Gitk
>
> Looping-in the gitk maintainer.
>
>>     This PR makes Gitk working on both SHA256 and SHA1 repositories without
>>     errors/crashes. I made it by changing and testing the gitk script of Git
>>     for Windows [https://gitforwindows.org/] version 2.32.0.windows.1 that
>>     is a little bit different than the mainstream 2.32.0 version.
>>     
>>     Still not fixed functionality: [1] There is the "Auto-select SHA1
>>     (length)" configuration preference that affects "Copy commit reference"
>>     on both SHA1 and SHA256 repositories.
>>     
>>     A new "Auto-select SHA256 (length)" configuration preference should be
>>     added and used on SHA256 repositories instead of the old one. Since I'm
>>     not familiar with Tcl/Tk and this issue isn't critical I didn't
>>     implement it.
>
> Thanks, Rostislav; please follow Documentation/SubmittingPatches
> next time you touch gitk (or git-gui), as they have their own
> repositories and maintainers.

A comment on the patch at large: I realize that the author isn't
familiar with Tcl, and this is a minimal & immediate fix, so maybe we
should just take it.

But I wonder if this == 40 or == 64 shouldn't just be "accept either" in
this case, these all seem like cases where we disambiguate a hash from
some other name.

Doing so would be nicely forward-compatible in case gitk and others ever
need to deal with viewing a mixed set of hashes, or maybe I'm again
misrecalling the transition plan and that'll never happen (they'll
always be translated?).

Especially stuff like this (grabbing a bit to quote from the patch):

>> -        if {[regexp {^[0-9a-f]{4,39}$} $id]} {
>> +        if {[regexp [string map "@@ [expr $hashlength - 1]" {^[0-9a-f]{4,@@}$}] $id]} {

Would be simpler as just:

    if {[regexp {^[0-9a-f]{4,63}$} $id]} {

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] Add a basic support of SHA256 repositories into Gitk
  2021-06-16 14:19   ` Ævar Arnfjörð Bjarmason
@ 2021-06-19  0:56     ` Felipe Contreras
  0 siblings, 0 replies; 5+ messages in thread
From: Felipe Contreras @ 2021-06-19  0:56 UTC (permalink / raw)
  To: Ævar Arnfjörð Bjarmason, Junio C Hamano
  Cc: Paul Mackerras, Rostislav Krasny via GitGitGadget, git,
	Rostislav Krasny

Ævar Arnfjörð Bjarmason wrote:
> 
> On Wed, Jun 16 2021, Junio C Hamano wrote:
> 
> > "Rostislav Krasny via GitGitGadget" <gitgitgadget@gmail.com> writes:
> >
> >> From: Rostislav Krasny <rosti.bsd@gmail.com>
> >>
> >> Signed-off-by: Rostislav Krasny <rosti.bsd@gmail.com>
> >> ---
> >>     gitk: Add a basic support of SHA256 repositories into Gitk
> >
> > Looping-in the gitk maintainer.
> >
> >>     This PR makes Gitk working on both SHA256 and SHA1 repositories without
> >>     errors/crashes. I made it by changing and testing the gitk script of Git
> >>     for Windows [https://gitforwindows.org/] version 2.32.0.windows.1 that
> >>     is a little bit different than the mainstream 2.32.0 version.
> >>     
> >>     Still not fixed functionality: [1] There is the "Auto-select SHA1
> >>     (length)" configuration preference that affects "Copy commit reference"
> >>     on both SHA1 and SHA256 repositories.
> >>     
> >>     A new "Auto-select SHA256 (length)" configuration preference should be
> >>     added and used on SHA256 repositories instead of the old one. Since I'm
> >>     not familiar with Tcl/Tk and this issue isn't critical I didn't
> >>     implement it.
> >
> > Thanks, Rostislav; please follow Documentation/SubmittingPatches
> > next time you touch gitk (or git-gui), as they have their own
> > repositories and maintainers.
> 
> A comment on the patch at large: I realize that the author isn't
> familiar with Tcl, and this is a minimal & immediate fix, so maybe we
> should just take it.

Plus it takes a huge while for any patch to be merged. There's 0 commits
in 2021 on the gitk repository, and in 2020 there were only 6.

My last simple patch from May [1] is still waiting for any kind of
feedback.

[1] https://lore.kernel.org/git/20210505211846.1842824-1-felipe.contreras@gmail.com/

-- 
Felipe Contreras

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] Add a basic support of SHA256 repositories into Gitk
  2021-06-14 16:18 [PATCH] Add a basic support of SHA256 repositories into Gitk Rostislav Krasny via GitGitGadget
  2021-06-16  1:28 ` Junio C Hamano
@ 2022-05-02 14:24 ` Rostislav Krasny
  1 sibling, 0 replies; 5+ messages in thread
From: Rostislav Krasny @ 2022-05-02 14:24 UTC (permalink / raw)
  To: Rostislav Krasny via GitGitGadget; +Cc: git

Hello everybody,

I created this PR almost a year ago, is there any general progress
with supporting SHA256 in gitk? Even some other's patch/PR?

On Mon, Jun 14, 2021 at 7:18 PM Rostislav Krasny via GitGitGadget
<gitgitgadget@gmail.com> wrote:
>
> From: Rostislav Krasny <rosti.bsd@gmail.com>
>
> Signed-off-by: Rostislav Krasny <rosti.bsd@gmail.com>
> ---
>     gitk: Add a basic support of SHA256 repositories into Gitk
>
>     This PR makes Gitk working on both SHA256 and SHA1 repositories without
>     errors/crashes. I made it by changing and testing the gitk script of Git
>     for Windows [https://gitforwindows.org/] version 2.32.0.windows.1 that
>     is a little bit different than the mainstream 2.32.0 version.
>
>     Still not fixed functionality: [1] There is the "Auto-select SHA1
>     (length)" configuration preference that affects "Copy commit reference"
>     on both SHA1 and SHA256 repositories.
>
>     A new "Auto-select SHA256 (length)" configuration preference should be
>     added and used on SHA256 repositories instead of the old one. Since I'm
>     not familiar with Tcl/Tk and this issue isn't critical I didn't
>     implement it.
>
> Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-979%2Frosti-il%2Fgitk-sha256-v1
> Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-979/rosti-il/gitk-sha256-v1
> Pull-Request: https://github.com/gitgitgadget/git/pull/979
>
>  gitk-git/gitk | 66 ++++++++++++++++++++++++++++++++++++---------------
>  1 file changed, 47 insertions(+), 19 deletions(-)
>
> diff --git a/gitk-git/gitk b/gitk-git/gitk
> index 23d9dd1fe0d0..2da53604cdc8 100755
> --- a/gitk-git/gitk
> +++ b/gitk-git/gitk
> @@ -290,6 +290,7 @@ proc parseviewargs {n arglist} {
>
>  proc parseviewrevs {view revs} {
>      global vposids vnegids
> +    global hashlength
>
>      if {$revs eq {}} {
>          set revs HEAD
> @@ -303,7 +304,7 @@ proc parseviewrevs {view revs} {
>          set badrev {}
>          for {set l 0} {$l < [llength $errlines]} {incr l} {
>              set line [lindex $errlines $l]
> -            if {!([string length $line] == 40 && [string is xdigit $line])} {
> +            if {!([string length $line] == $hashlength && [string is xdigit $line])} {
>                  if {[string match "fatal:*" $line]} {
>                      if {[string match "fatal: ambiguous argument*" $line]
>                          && $badrev ne {}} {
> @@ -507,6 +508,7 @@ proc updatecommits {} {
>      global hasworktree
>      global varcid vposids vnegids vflags vrevs
>      global show_notes
> +    global hashlength
>
>      set hasworktree [hasworktree]
>      rereadrefs
> @@ -540,7 +542,7 @@ proc updatecommits {} {
>              # take out positive refs that we asked for before or
>              # that we have already seen
>              foreach rev $revs {
> -                if {[string length $rev] == 40} {
> +                if {[string length $rev] == $hashlength} {
>                      if {[lsearch -exact $oldpos $rev] < 0
>                          && ![info exists varcid($view,$rev)]} {
>                          lappend newrevs $rev
> @@ -1418,6 +1420,7 @@ proc getcommitlines {fd inst view updating}  {
>      global parents children curview hlview
>      global idpending ordertok
>      global varccommits varcid varctok vtokmod vfilelimit vshortids
> +    global hashlength
>
>      set stuff [read $fd 500000]
>      # git log doesn't terminate the last commit with a null...
> @@ -1500,7 +1503,7 @@ proc getcommitlines {fd inst view updating}  {
>              }
>              set ok 1
>              foreach id $ids {
> -                if {[string length $id] != 40} {
> +                if {[string length $id] != $hashlength} {
>                      set ok 0
>                      break
>                  }
> @@ -1780,6 +1783,7 @@ proc readrefs {} {
>      global selecthead selectheadid
>      global hideremotes
>      global tclencoding
> +    global hashlength
>
>      foreach v {tagids idtags headids idheads otherrefids idotherrefs} {
>          unset -nocomplain $v
> @@ -1789,9 +1793,9 @@ proc readrefs {} {
>          fconfigure $refd -encoding $tclencoding
>      }
>      while {[gets $refd line] >= 0} {
> -        if {[string index $line 40] ne " "} continue
> -        set id [string range $line 0 39]
> -        set ref [string range $line 41 end]
> +        if {[string index $line $hashlength] ne " "} continue
> +        set id [string range $line 0 [expr {$hashlength - 1}]]
> +        set ref [string range $line [expr {$hashlength + 1}] end]
>          if {![string match "refs/*" $ref]} continue
>          set name [string range $ref 5 end]
>          if {[string match "remotes/*" $name]} {
> @@ -2082,6 +2086,7 @@ proc makewindow {} {
>      global have_tk85 use_ttk NS
>      global git_version
>      global worddiff
> +    global hashlength hashalgorithm
>
>      # The "mc" arguments here are purely so that xgettext
>      # sees the following string as needing to be translated
> @@ -2203,11 +2208,11 @@ proc makewindow {} {
>      set sha1entry .tf.bar.sha1
>      set entries $sha1entry
>      set sha1but .tf.bar.sha1label
> -    button $sha1but -text "[mc "SHA1 ID:"] " -state disabled -relief flat \
> +    button $sha1but -text "[mc "$hashalgorithm ID:"] " -state disabled -relief flat \
>          -command gotocommit -width 8
>      $sha1but conf -disabledforeground [$sha1but cget -foreground]
>      pack .tf.bar.sha1label -side left
> -    ${NS}::entry $sha1entry -width 40 -font textfont -textvariable sha1string
> +    ${NS}::entry $sha1entry -width $hashlength -font textfont -textvariable sha1string
>      trace add variable sha1string write sha1change
>      pack $sha1entry -side left -pady 2
>
> @@ -3926,6 +3931,7 @@ proc stopblaming {} {
>
>  proc read_line_source {fd inst} {
>      global blamestuff curview commfd blameinst nullid nullid2
> +    global hashlength
>
>      while {[gets $fd line] >= 0} {
>          lappend blamestuff($inst) $line
> @@ -3946,7 +3952,7 @@ proc read_line_source {fd inst} {
>      set line [split [lindex $blamestuff($inst) 0] " "]
>      set id [lindex $line 0]
>      set lnum [lindex $line 1]
> -    if {[string length $id] == 40 && [string is xdigit $id] &&
> +    if {[string length $id] == $hashlength && [string is xdigit $id] &&
>          [string is digit -strict $lnum]} {
>          # look for "filename" line
>          foreach l $blamestuff($inst) {
> @@ -5269,13 +5275,14 @@ proc get_viewmainhead {view} {
>  # git rev-list should give us just 1 line to use as viewmainheadid($view)
>  proc getviewhead {fd inst view} {
>      global viewmainheadid commfd curview viewinstances showlocalchanges
> +    global hashlength
>
>      set id {}
>      if {[gets $fd line] < 0} {
>          if {![eof $fd]} {
>              return 1
>          }
> -    } elseif {[string length $line] == 40 && [string is xdigit $line]} {
> +    } elseif {[string length $line] == $hashlength && [string is xdigit $line]} {
>          set id $line
>      }
>      set viewmainheadid($view) $id
> @@ -7039,10 +7046,11 @@ proc commit_descriptor {p} {
>  # Also look for URLs of the form "http[s]://..." and make them web links.
>  proc appendwithlinks {text tags} {
>      global ctext linknum curview
> +    global hashlength
>
>      set start [$ctext index "end - 1c"]
>      $ctext insert end $text $tags
> -    set links [regexp -indices -all -inline {(?:\m|-g)[0-9a-f]{6,40}\M} $text]
> +    set links [regexp -indices -all -inline [string map "@@ $hashlength" {(?:\m|-g)[0-9a-f]{6,@@}\M}] $text]
>      foreach l $links {
>          set s [lindex $l 0]
>          set e [lindex $l 1]
> @@ -8716,13 +8724,17 @@ proc incrfont {inc} {
>
>  proc clearsha1 {} {
>      global sha1entry sha1string
> -    if {[string length $sha1string] == 40} {
> +    global hashlength
> +
> +    if {[string length $sha1string] == $hashlength} {
>          $sha1entry delete 0 end
>      }
>  }
>
>  proc sha1change {n1 n2 op} {
>      global sha1string currentid sha1but
> +    global hashalgorithm
> +
>      if {$sha1string == {}
>          || ([info exists currentid] && $sha1string == $currentid)} {
>          set state disabled
> @@ -8733,12 +8745,13 @@ proc sha1change {n1 n2 op} {
>      if {$state == "normal"} {
>          $sha1but conf -state normal -relief raised -text "[mc "Goto:"] "
>      } else {
> -        $sha1but conf -state disabled -relief flat -text "[mc "SHA1 ID:"] "
> +        $sha1but conf -state disabled -relief flat -text "[mc "$hashalgorithm ID:"] "
>      }
>  }
>
>  proc gotocommit {} {
>      global sha1string tagids headids curview varcid
> +    global hashlength hashalgorithm
>
>      if {$sha1string == {}
>          || ([info exists currentid] && $sha1string == $currentid)} return
> @@ -8748,11 +8761,11 @@ proc gotocommit {} {
>          set id $headids($sha1string)
>      } else {
>          set id [string tolower $sha1string]
> -        if {[regexp {^[0-9a-f]{4,39}$} $id]} {
> +        if {[regexp [string map "@@ [expr $hashlength - 1]" {^[0-9a-f]{4,@@}$}] $id]} {
>              set matches [longid $id]
>              if {$matches ne {}} {
>                  if {[llength $matches] > 1} {
> -                    error_popup [mc "Short SHA1 id %s is ambiguous" $id]
> +                    error_popup [mc "Short $hashalgorithm id %s is ambiguous" $id]
>                      return
>                  }
>                  set id [lindex $matches 0]
> @@ -8769,7 +8782,7 @@ proc gotocommit {} {
>          return
>      }
>      if {[regexp {^[0-9a-fA-F]{4,}$} $sha1string]} {
> -        set msg [mc "SHA1 id %s is not known" $sha1string]
> +        set msg [mc "$hashalgorithm id %s is not known" $sha1string]
>      } else {
>          set msg [mc "Revision %s is not in the current view" $sha1string]
>      }
> @@ -9446,10 +9459,11 @@ proc mktaggo {} {
>
>  proc copyreference {} {
>      global rowmenuid autosellen
> +    global hashlength
>
>      set format "%h (\"%s\", %ad)"
>      set cmd [list git show -s --pretty=format:$format --date=short]
> -    if {$autosellen < 40} {
> +    if {$autosellen < $hashlength} {
>          lappend cmd --abbrev=$autosellen
>      }
>      set reference [eval exec $cmd $rowmenuid]
> @@ -9460,6 +9474,7 @@ proc copyreference {} {
>
>  proc writecommit {} {
>      global rowmenuid wrcomtop commitinfo wrcomcmd NS
> +    global hashlength
>
>      set top .writecommit
>      set wrcomtop $top
> @@ -9469,7 +9484,7 @@ proc writecommit {} {
>      ${NS}::label $top.title -text [mc "Write commit to file"]
>      grid $top.title - -pady 10
>      ${NS}::label $top.id -text [mc "ID:"]
> -    ${NS}::entry $top.sha1 -width 40
> +    ${NS}::entry $top.sha1 -width $hashlength
>      $top.sha1 insert 0 $rowmenuid
>      $top.sha1 conf -state readonly
>      grid $top.id $top.sha1 -sticky w
> @@ -9549,6 +9564,7 @@ proc mvbranch {} {
>
>  proc branchdia {top valvar uivar} {
>      global NS commitinfo
> +    global hashlength
>      upvar $valvar val $uivar ui
>
>      catch {destroy $top}
> @@ -9557,7 +9573,7 @@ proc branchdia {top valvar uivar} {
>      ${NS}::label $top.title -text $ui(title)
>      grid $top.title - -pady 10
>      ${NS}::label $top.id -text [mc "ID:"]
> -    ${NS}::entry $top.sha1 -width 40
> +    ${NS}::entry $top.sha1 -width $hashlength
>      $top.sha1 insert 0 $val(id)
>      $top.sha1 conf -state readonly
>      grid $top.id $top.sha1 -sticky w
> @@ -12320,6 +12336,18 @@ if {$tclencoding == {}} {
>      puts stderr "Warning: encoding $gitencoding is not supported by Tcl/Tk"
>  }
>
> +set objformat [exec git rev-parse --show-object-format]
> +if {$objformat eq "sha1"} {
> +    set hashlength 40
> +} elseif {$objformat eq "sha256"} {
> +    set hashlength 64
> +} else {
> +    error_popup "[mc "Not supported hash algorithm:"] {$objformat}"
> +    exit 1
> +}
> +set hashalgorithm [string toupper $objformat]
> +unset objformat
> +
>  set gui_encoding [encoding system]
>  catch {
>      set enc [exec git config --get gui.encoding]
>
> base-commit: ebf3c04b262aa27fbb97f8a0156c2347fecafafb
> --
> gitgitgadget

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2022-05-02 14:24 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-06-14 16:18 [PATCH] Add a basic support of SHA256 repositories into Gitk Rostislav Krasny via GitGitGadget
2021-06-16  1:28 ` Junio C Hamano
2021-06-16 14:19   ` Ævar Arnfjörð Bjarmason
2021-06-19  0:56     ` Felipe Contreras
2022-05-02 14:24 ` Rostislav Krasny

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