From 04b714c40bc712b3e4a2349e4abab6a3aad04046 Mon Sep 17 00:00:00 2001
From: www-data <www-data@epicenter.media.mit.edu>
Date: Mon, 20 Aug 2012 14:17:37 -0400
Subject: [PATCH] added vc-git locally to create a self-contained system

---
 Makefile   |  2 +-
 vc-git     | 24 +++++++++++++++
 vc-git.awk | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 114 insertions(+), 1 deletion(-)
 create mode 100755 vc-git
 create mode 100644 vc-git.awk

diff --git a/Makefile b/Makefile
index 76af31e..b3a5b77 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,6 @@ spell:
 	aspell -c -t --tex-check-comments -b text.tex
 
 vc:
-	vc-git
+	./vc-git
 
 .PHONY: clean all
diff --git a/vc-git b/vc-git
new file mode 100755
index 0000000..9aa3c0d
--- /dev/null
+++ b/vc-git
@@ -0,0 +1,24 @@
+#!/bin/sh
+# This is file 'vc' from the vc bundle for TeX.
+# The original file can be found at CTAN:support/vc.
+# This file is Public Domain.
+
+# Parse command line options.
+full=0
+mod=0
+while [ -n "$(echo $1 | grep '-')" ]; do
+    case $1 in 
+       -f ) full=1 ;;
+       -m ) mod=1 ;;
+       *  ) echo 'usage: vc [-f] [-m]'
+            exit 1
+    esac
+    shift
+done
+# English locale.
+LC_ALL=C
+git --no-pager log -1 HEAD --pretty=format:"Hash: %H%nAbr. Hash: %h%nParent Hashes: %P%nAbr. Parent Hashes: %p%nAuthor Name: %an%nAuthor Email: %ae%nAuthor Date: %ai%nCommitter Name: %cn%nCommitter Email: %ce%nCommitter Date: %ci%n" |gawk -v script=log -v full=$full -f ./vc-git.awk > vc
+if [ "$mod" = 1 ]
+then
+  git status |gawk -v script=status -f ~/bin/vc-git.awk >> vc
+fi
diff --git a/vc-git.awk b/vc-git.awk
new file mode 100644
index 0000000..66b3526
--- /dev/null
+++ b/vc-git.awk
@@ -0,0 +1,89 @@
+# 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 }
+
+
+
+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}%"
+				}
+		}
+		
+}
-- 
2.30.2