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vc-git.awk
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# This is file 'vc-git.awk' from the vc bundle for TeX.
# The original file can be found at CTAN:support/vc.
# This file is Public Domain.
BEGIN {
### Process output of "git status".
if (script=="status") {
modified = 0
}
}
### Process output of "git log".
script=="log" && /^Hash:/ { Hash = substr($0, 2+match($0, ":")) }
script=="log" && /^Abr. Hash:/ { AbrHash = substr($0, 2+match($0, ":")) }
script=="log" && /^Parent Hashes:/ { ParentHashes = substr($0, 2+match($0, ":")) }
script=="log" && /^Abr. Parent Hashes:/ { AbrParentHashes = substr($0, 2+match($0, ":")) }
script=="log" && /^Author Name:/ { AuthorName = substr($0, 2+match($0, ":")) }
script=="log" && /^Author Email:/ { AuthorEmail = substr($0, 2+match($0, ":")) }
script=="log" && /^Author Date:/ { AuthorDate = substr($0, 2+match($0, ":")) }
script=="log" && /^Committer Name:/ { CommitterName = substr($0, 2+match($0, ":")) }
script=="log" && /^Committer Email:/ { CommitterEmail = substr($0, 2+match($0, ":")) }
script=="log" && /^Committer Date:/ { CommitterDate = substr($0, 2+match($0, ":")) }
### Process output of "git status".
### Changed index?
script=="status" && /^# Changes to be committed:/ { modified = 1 }
### Unstaged modifications?
script=="status" && /^# Changed but not updated:/ { modified = 2 }
script=="status" && /^# Changes not staged for commit:/ { modified = 2 }
END {
### Process output of "git log".
if (script=="log") {
### Standard encoding is UTF-8.
if (Encoding == "") Encoding = "UTF-8"
### Extract relevant information from variables.
LongDate = substr(AuthorDate, 1, 25)
DateRAW = substr(LongDate, 1, 10)
DateISO = DateRAW
DateTEX = DateISO
gsub("-", "/", DateTEX)
Time = substr(LongDate, 12, 14)
### Write file identification to vc.tex.
print "%%% This file has been generated by the vc bundle for TeX."
print "%%% Do not edit this file!"
print "%%%"
### Write Git specific macros.
print "%%% Define Git specific macros."
print "\\gdef\\GITHash{" Hash "}%"
print "\\gdef\\GITAbrHash{" AbrHash "}%"
print "\\gdef\\GITParentHashes{" ParentHashes "}%"
print "\\gdef\\GITAbrParentHashes{" AbrParentHashes "}%"
print "\\gdef\\GITAuthorName{" AuthorName "}%"
print "\\gdef\\GITAuthorEmail{" AuthorEmail "}%"
print "\\gdef\\GITAuthorDate{" AuthorDate "}%"
print "\\gdef\\GITCommitterName{" CommitterName "}%"
print "\\gdef\\GITCommitterEmail{" CommitterEmail "}%"
print "\\gdef\\GITCommitterDate{" CommitterDate "}%"
### Write generic version control macros.
print "%%% Define generic version control macros."
print "\\gdef\\VCRevision{\\GITAbrHash}%"
print "\\gdef\\VCAuthor{\\GITAuthorName}%"
print "\\gdef\\VCDateRAW{" DateRAW "}%"
print "\\gdef\\VCDateISO{" DateISO "}%"
print "\\gdef\\VCDateTEX{" DateTEX "}%"
print "\\gdef\\VCTime{" Time "}%"
print "\\gdef\\VCModifiedText{\\textcolor{red}{with local modifications!}}%"
print "%%% Assume clean working copy."
print "\\gdef\\VCModified{0}%"
print "\\gdef\\VCRevisionMod{\\VCRevision}%"
}
### Process output of "git status".
if (script=="status") {
print "%%% Is working copy modified?"
print "\\gdef\\VCModified{" modified "}%"
if (modified==0) {
print "\\gdef\\VCRevisionMod{\\VCRevision}%"
} else {
print "\\gdef\\VCRevisionMod{\\VCRevision~\\VCModifiedText}%"
}
}
}