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@xxxxxxxxx> wrote: > > From: Rostislav Krasny <rosti.bsd@xxxxxxxxx> > > Signed-off-by: Rostislav Krasny <rosti.bsd@xxxxxxxxx> > --- > 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
