X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=commitid.scad.pl;h=3e813b2d3cdbb4f549e09e207ba31c615524bb59;hp=fbf1231597968fa1cd5bd2de847f2a8992956148;hb=1f1a48c7ecc8938a779353150fa6a68b5da0c8ee;hpb=e7670cf55a1731afad3fccfa102f8afd2e5a16e3 diff --git a/commitid.scad.pl b/commitid.scad.pl index fbf1231..3e813b2 100755 --- a/commitid.scad.pl +++ b/commitid.scad.pl @@ -4,19 +4,42 @@ use strict; $SIG{__WARN__} = sub { die @_; }; # xxx much of the comment below is TODO - +# +# Usage: +# +# .../commitid.scad.pl [OPTION...] [STRING...] >commitid.scad.new \ +# && mv -f commitid.scad.new commitid.scad +# +# Options: +# +# --git generate git commit indications, as shown below +# (this is the default if no strings are requested with -t) +# +# --git=object +# generate git commit indication based on commit object only +# (ie avoid counting commits) +# +# -i do not generate `+' if git-untracked files are present +# +# [-t[FORM]] TEXT +# generate a form FORM containing TEXT +# TEXT can contain newlines (final newline usually undesirable) +# if FORM not specified, generates Arg0 Arg1 Arg2 in sequence +# character set is SPC 0-9 a-f + * (`*' glyph is `=/='). +# # We generate a physical indication of which commit was used. # # We provide for scaling factors with dynamic variables: -# $Commitid_pixelsz if not set, we use 0.4 } multiplied +# $Commitid_pixelsz if not set, we use 0.8 } multiplied # $Commitid_scale if not set, we use 1.0 } together -# $Commitid_depth if not set, we use xy pixel size from above +# $Commitid_depth if not set, we use xy pixel size from above / 2 # $Commitid_depth_scale if not set, we use 1.0 (multiplies depth above) # # For each form we have # # module Commitid_Form_2D() { ... } # module Commitid_Form() { ... } +# function Commitid_Form_sz() => [ x, y ] # # These have their origin in the bottom left corner. The 3D model # is a positive, has its origin halfway through, and is twice the @@ -29,52 +52,73 @@ $SIG{__WARN__} = sub { die @_; }; # # We can generate these forms: # -# Tiny3: -# Tiny4: -# Tiny5: -# Tiny6: -# Tiny7: -# Tiny8: +# Small3: +# Small4: +# Small5: +# Small6: +# Small7: +# Small8: +# Small9: +# Small10: # git rev-list --first-parent --count HEAD # typically 3-4 characters but we allow for up to 6 +# padded with zeroes; if too long we reduce mod 10^n # eg -# Tiny4 1070 +# Small4 1070 +# If tree is dirty, + or * is suffixed, reducing number of +# digits by 1. # -# Tiny4Q: -# Tiny6Q: -# Tiny9Q: -# same but in two lines eg -# Tiny4Q 10 +# Small4S: +# Small6S: +# Small8S: +# Small10S: +# same but split into two lines eg +# Small4S 10 # 70 # -# Git4 -# Git6 -# Git8 -# git-rev-parse HEAD +# Git4 Git4S +# Git6 Git6S +# Git8 Git8S +# Git10 Git10S +# git-rev-parse HEAD (prefix of requested length) # eg # Git6 82f2a2 +# If tree is dirty, + or * is suffixed to commitid, +# reducing number of hex digits by 1. -# Small4 -# Small6 -# Small8 +# Full3 +# Full4 +# Full5 +# Full6 +# Full7 +# Full8 +# Full9 +# Full10 # git-rev-list --first-parent --count HEAD # git-rev-parse HEAD # eg -# Small6 1070 +# Full6 1070 # 82f2a2 +# If tree is dirty, + or * is suffixed to count (but not to +# commitid) reducing number of digits by 1. +# +# FontDemo +# +# Arg0, Arg1, ... +# Strings passed on command line sub p { print @_ or die $!; } p <<'END'; // *** AUTOGENERATED - DO NOT EDIT *** // function Commitid_pixelsz() = - ($Commitid_pixelsz ? $Commitid_pixelsz : 0.4) * + ($Commitid_pixelsz ? $Commitid_pixelsz : 0.8) * ($Commitid_scale ? $Commitid_scale : 1.0); function Commitid_depth() = - ($Commitid_depth ? $Commitid_depth : Commitid_pixelsz()) * + ($Commitid_depth ? $Commitid_depth : Commitid_pixelsz()/2) * ($Commitid_depth_scale ? $Commitid_depth_scale : 1.0); function Commitid__scale() = - Commitid_pixelsz() / 0.1; + Commitid_pixelsz() / 0.2; END sub chrmodname ($) { @@ -83,12 +127,24 @@ sub chrmodname ($) { return "Commitid__chr_$chrx"; } +our $gtm_demo_i = -1; +our $gtm_demo_j; +our @gtm_demo_o; + +sub gentextmodule_demo_next_batch(){ + $gtm_demo_i++; + $gtm_demo_j = 0; +} +gentextmodule_demo_next_batch(); + sub gentextmodule ($@) { my ($form, @lines) = @_; my $modb = "Commitid_$form"; p "module ${modb}_2D(){\n"; + p " // |$_|\n" foreach @lines; p " scale(Commitid__scale()){\n"; my $y = @lines; + my $cols = 1; foreach my $line (@lines) { $y--; my $x = 0; @@ -98,9 +154,22 @@ sub gentextmodule ($@) { $x, $y, chrmodname $chr; $x++; } + $cols = $x if $x > $cols; } p " }\n"; p "}\n"; + p "module ${modb}(){\n"; + p " d=Commitid_depth();\n"; + p " translate([0,0,-d]) linear_extrude(height=d*2) ${modb}_2D();\n"; + p "}\n"; + + p sprintf "function %s_sz() = Commitid__scale() * 0.1 * [ %d, %d ];\n", + $modb, 2 * ($cols * 4 - 1), 2 * (@lines * 6 - 1); + + push @gtm_demo_o, + " translate([$gtm_demo_i * st[0], $gtm_demo_j * st[1]])". + " ${modb}_2D();\n"; + $gtm_demo_j++; } our @demo; @@ -177,8 +246,138 @@ sub parsefont () { parsefont(); +our $do_git; # contains may chars 'c' (count) and/or 'o' (object) +our $do_git_untracked = 1; +our $argcounter; + +sub rjustt ($$) { # right justify and truncate (ie, pad and truncate at left) + my ($sz, $whole) = @_; + my $lw = length $whole; + return $lw > $sz + ? substr($whole, $lw-$sz) + : sprintf "%${sz}s", $whole; +} + +sub ljustt ($$$) { # always includes $suffix + my ($sz, $whole, $suffix) = @_; + $sz -= length $suffix; + return sprintf "%-${sz}.${sz}s%s", $whole, $suffix; +} + +sub gentextmodule_plusq ($$) { + my ($form, $s) = @_; + my $l = length $s; + gentextmodule($form, $s); + if (!($l & 1) && $l>=4) { + gentextmodule("${form}S", substr($s,0,$l/2), substr($s,$l/2)); + } +} + +our @gcmd; + +sub gitrun_start () { + open F, "-|", @gcmd or die "$gcmd[0]: start: $!"; +} + +sub gitrun_done (;$) { + my ($errok) = @_; + $?=0; $!=0; + return if close F; + return if $errok; + die $! if $!; + die "@gcmd failed ($?)\n"; +} + +sub gitoutput (@) { + (@gcmd) = (qw(git), @_); + gitrun_start; + $_ = ; + gitrun_done; + defined or die "@gcmd produced no output"; + chomp or die "@gcmd produced no final newline"; + $_; +} + +sub do_git () { + return unless $do_git; + + @gcmd = qw(git status --porcelain); + push @gcmd, qw(--untracked=no) unless $do_git_untracked; + + my $git_dirty = ''; + gitrun_start; + while () { + if (m/^\?\?/ && $do_git_untracked) { + $git_dirty = '+'; + next; + } + $git_dirty = '*'; + last; + } + gitrun_done($git_dirty eq '*'); + + my $git_count; + my $git_object; + + if ($do_git =~ m/c/) { + $git_count = gitoutput qw(rev-list --first-parent --count HEAD); + } + if ($do_git =~ m/o/) { + $git_object = gitoutput qw(rev-parse HEAD); + } + + foreach my $sz (3..10) { + gentextmodule_demo_next_batch(); + + gentextmodule_plusq("Small$sz", rjustt($sz, $git_count.$git_dirty)) + if defined $git_count; + + gentextmodule_plusq("Git$sz", ljustt($sz, $git_object, $git_dirty)) + if defined $git_object; + + gentextmodule("Full$sz", + rjustt($sz, $git_count.$git_dirty), + ljustt($sz, $git_object, '')) + if defined $git_count && defined $git_object; + } +} + +while (@ARGV) { + $_ = shift; + if (m/^--(no)?-git$/) { + $do_git = $1 ? '' : 'co'; + } elsif (m/^---git=object$/) { + $do_git = 'o'; + } elsif (m/^-i$/) { + $do_git_untracked = 0; + } elsif (m/^-t(.*)$/) { + my $form = $1; + die "bad usage: -t needs string argument\n"; + $_ = shift; + gentextmodule($form, split /\n/, $_); + $argcounter //= 0; + } elsif (m/^[^-]/) { + gentextmodule("Arg$argcounter", $_); + $argcounter++; + } else { + die "bad usage: unknown option \`$_'\n"; + } +} + +$do_git //= defined($argcounter) ? '' : 'co'; + gentextmodule('FontDemo', @demo); +do_git(); + +p "module Commitid_2DDemo(){\n"; +p " st = Commitid__scale() * [ 10, 5 ];\n"; +p $_ foreach @gtm_demo_o; +p "}\n"; + +flush STDOUT or die $!; +close STDOUT or die $!; + __DATA__ # 00 20 22 02 @@ -205,3 +404,10 @@ a b c d e f # # # # # # # #/ # \## ##/ \## \## \#/ # ++ * + + r + # ### +### # + # ### + L