paper/resources/vc-git.awk

   1 # This is file 'vc-git.awk' from the vc bundle for TeX.
   2 # The original file can be found at CTAN:support/vc.
   3 # This file is Public Domain.
   4 BEGIN {
   5
   6 ### Process output of "git status".
   7                 if (script=="status") {
   8                                 modified = 0
   9                 }
  10
  11 }
  12
  13
  14
  15 ### Process output of "git log".
  16 script=="log" && /^Hash:/ { Hash = substr($0, 2+match($0, ":")) }
  17 script=="log" && /^Abr. Hash:/ { AbrHash = substr($0, 2+match($0, ":")) }
  18 script=="log" && /^Parent Hashes:/ { ParentHashes = substr($0, 2+match($0, ":")) }
  19 script=="log" && /^Abr. Parent Hashes:/ { AbrParentHashes = substr($0, 2+match($0, ":")) }
  20 script=="log" && /^Author Name:/ { AuthorName = substr($0, 2+match($0, ":")) }
  21 script=="log" && /^Author Email:/ { AuthorEmail = substr($0, 2+match($0, ":")) }
  22 script=="log" && /^Author Date:/ { AuthorDate = substr($0, 2+match($0, ":")) }
  23 script=="log" && /^Committer Name:/ { CommitterName = substr($0, 2+match($0, ":")) }
  24 script=="log" && /^Committer Email:/ { CommitterEmail = substr($0, 2+match($0, ":")) }
  25 script=="log" && /^Committer Date:/ { CommitterDate = substr($0, 2+match($0, ":")) }
  26
  27 ### Process output of "git status".
  28 ### Changed index?
  29 script=="status" && /^# Changes to be committed:/ { modified = 1 }
  30 ### Unstaged modifications?
  31 script=="status" && /^# Changed but not updated:/ { modified = 2 }
  32
  33
  34
  35 END {
  36
  37 ### Process output of "git log".
  38                 if (script=="log") {
  39 ### Standard encoding is UTF-8.
  40                                 if (Encoding == "") Encoding = "UTF-8"
  41 ### Extract relevant information from variables.
  42                                 LongDate = substr(AuthorDate, 1, 25)
  43         DateRAW = substr(LongDate, 1, 10)
  44         DateISO = DateRAW
  45         DateTEX = DateISO
  46         gsub("-", "/", DateTEX)
  47                                 Time = substr(LongDate, 12, 14)
  48 ### Write file identification to vc.tex.
  49                                 print "%%% This file has been generated by the vc bundle for TeX."
  50                                 print "%%% Do not edit this file!"
  51                                 print "%%%"
  52 ### Write Git specific macros.
  53                                 print "%%% Define Git specific macros."
  54                                 print "\\gdef\\GITHash{" Hash "}%"
  55                                 print "\\gdef\\GITAbrHash{" AbrHash "}%"
  56                                 print "\\gdef\\GITParentHashes{" ParentHashes "}%"
  57                                 print "\\gdef\\GITAbrParentHashes{" AbrParentHashes "}%"
  58                                 print "\\gdef\\GITAuthorName{" AuthorName "}%"
  59                                 print "\\gdef\\GITAuthorEmail{" AuthorEmail "}%"
  60                                 print "\\gdef\\GITAuthorDate{" AuthorDate "}%"
  61                                 print "\\gdef\\GITCommitterName{" CommitterName "}%"
  62                                 print "\\gdef\\GITCommitterEmail{" CommitterEmail "}%"
  63                                 print "\\gdef\\GITCommitterDate{" CommitterDate "}%"
  64 ### Write generic version control macros.
  65                                 print "%%% Define generic version control macros."
  66                                 print "\\gdef\\VCRevision{\\GITAbrHash}%"
  67                                 print "\\gdef\\VCAuthor{\\GITAuthorName}%"
  68         print "\\gdef\\VCDateRAW{" DateRAW "}%"
  69         print "\\gdef\\VCDateISO{" DateISO "}%"
  70         print "\\gdef\\VCDateTEX{" DateTEX "}%"
  71                                 print "\\gdef\\VCTime{" Time "}%"
  72                                 print "\\gdef\\VCModifiedText{\\textcolor{red}{with local modifications!}}%"
  73                                 print "%%% Assume clean working copy."
  74                                 print "\\gdef\\VCModified{0}%"
  75                                 print "\\gdef\\VCRevisionMod{\\VCRevision}%"
  76                 }
  77
  78 ### Process output of "git status".
  79                 if (script=="status") {
  80                                 print "%%% Is working copy modified?"
  81                                 print "\\gdef\\VCModified{" modified "}%"
  82                                 if (modified==0) {
  83                                                 print "\\gdef\\VCRevisionMod{\\VCRevision}%"
  84                                 } else {
  85                                                 print "\\gdef\\VCRevisionMod{\\VCRevision~\\VCModifiedText}%"
  86                                 }
  87                 }
  88
  89 }