Revisiting \GI@check@repo@prefix.

- Exporting \GI@repo@prefix to the global scope. - Being nicer if not in a git repository.

Author: mpg

Todo

@@ -1,14 +1,12 @@
 Error handling
 --------------
 
-Be nicer if not in a git repo?
-
 Check for unexpected EOF?
 
 Git logic
 ---------
 
-What to do it HEAD is not a branch?
+What to do if HEAD is not a branch?
 
 General
 -------

git-info.sty

@@ -15,13 +15,16 @@
 \newcommand\githeadminute{0}
 \newcommand\githeadsecond{0}
 \newcommand\githeadtzsign{+}
-\newcommand\githeadtzhour{0}
-\newcommand\githeadtzminute{0}
+\newcommand\githeadtzhour{00}
+\newcommand\githeadtzminute{00}
 
-% semi-private setting
+% semi-private settings
 \newcommand\GI@max@depth{8}
 \newcommand\GI@gih@name{git-info.gih}
 
+% private values
+\newif\ifGI@is@a@repo@
+
 % private constants
 \newcommand\GI@repo@prefix{}
 \newcommand\GI@head@file{\GI@repo@prefix/.git/HEAD}
@@ -51,6 +54,7 @@
 % finding the .git directory
 
 \newcommand\GI@check@repo@prefix{%
+ \GI@is@a@repo@true
  \IfFileExists{./\GI@head@file}{%
 \edef\GI@repo@prefix{./}%
 }{%
@@ -74,11 +78,38 @@
 
 \newcommand\GI@not@a@git@repo{%
  \endgroup
- \PackageError{git-info}{%
-Current directory is not a git repository}{%
-Check the manual for details.}%
+ \PackageWarning{git-info}{%
+Current directory is not a git repository.\MessageBreak
+No information about current HEAD is available.\MessageBreak
+\protect\githead* commands are set to dummy values\@gobble}
+ \GI@is@a@repo@false
  \endinput}
 
+% getting all informations about HEAD
+
+\newcommand\GI@get@head@all{%
+ \begingroup
+ \GI@get@head@path
+ \GI@get@branch
+ \GI@get@head@hash
+ \GI@get@head@infos
+ \GI@get@gen@datetime{head}%
+ \edef\@tempa{\endgroup
+\GI@set@export\githeadauthor{\githeadauthor}%
+\GI@set@export\githeadmail{\githeadmail}%
+\GI@set@export\githeadcommit{\githeadcommit}%
+\GI@set@export\githeadbranch{\githeadbranch}%
+\GI@set@export\githeadyear{\githeadyear}%
+\GI@set@export\githeadmonth{\githeadmonth}%
+\GI@set@export\githeadday{\githeadday}%
+\GI@set@export\githeadhour{\githeadhour}%
+\GI@set@export\githeadminute{\githeadminute}%
+\GI@set@export\githeadsecond{\githeadsecond}%
+\GI@set@export\githeadtzsign{\githeadtzsign}%
+\GI@set@export\githeadtzhour{\githeadtzhour}%
+\GI@set@export\githeadtzminute{\githeadtzminute}}%
+ \@tempa}
+
 % finding the path to head
 
 \newcommand\GI@get@head@path{%
@@ -247,28 +278,8 @@
 
 % main
 
-\newcommand\gitgetinfos{%
- \begingroup
- \GI@check@repo@prefix
- \GI@get@head@path
- \GI@get@branch
- \GI@get@head@hash
- \GI@get@head@infos
- \GI@get@gen@datetime{head}%
- \edef\@tempa{\endgroup
-\GI@set@export\githeadauthor{\githeadauthor}%
-\GI@set@export\githeadmail{\githeadmail}%
-\GI@set@export\githeadcommit{\githeadcommit}%
-\GI@set@export\githeadbranch{\githeadbranch}%
-\GI@set@export\githeadyear{\githeadyear}%
-\GI@set@export\githeadmonth{\githeadmonth}%
-\GI@set@export\githeadday{\githeadday}%
-\GI@set@export\githeadhour{\githeadhour}%
-\GI@set@export\githeadminute{\githeadminute}%
-\GI@set@export\githeadsecond{\githeadsecond}%
-\GI@set@export\githeadtzsign{\githeadtzsign}%
-\GI@set@export\githeadtzhour{\githeadtzhour}%
-\GI@set@export\githeadtzminute{\githeadtzminute}}%
- \@tempa}
+\GI@check@repo@prefix
+\ifGI@is@a@repo@
+ \GI@get@head@all
+\fi
 
-\gitgetinfos