dependencies: bumped GIT to 2.19.1 release

pkgs/patches/git/git-send-email-honor-PATH.patch

@@ -0,0 +1,26 b''
+diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
+--- a/Documentation/git-send-email.txt
++++ b/Documentation/git-send-email.txt
+@@ -208,8 +208,7 @@ a password is obtained using 'git-credential'.
+ 	specify a full pathname of a sendmail-like program instead;
+ 	the program must support the `-i` option.  Default value can
+ 	be specified by the `sendemail.smtpServer` configuration
+-	option; the built-in default is to search for `sendmail` in
+-	`/usr/sbin`, `/usr/lib` and $PATH if such program is
++	option; the built-in default is to search in $PATH if such program is
+ 	available, falling back to `localhost` otherwise.
+
+ --smtp-server-port=<port>::
+diff --git a/git-send-email.perl b/git-send-email.perl
+--- a/git-send-email.perl
++++ b/git-send-email.perl
+@@ -944,8 +944,7 @@ if (defined $reply_to) {
+ }
+
+ if (!defined $smtp_server) {
+-	my @sendmail_paths = qw( /usr/sbin/sendmail /usr/lib/sendmail );
+-	push @sendmail_paths, map {"$_/sendmail"} split /:/, $ENV{PATH};
++	my @sendmail_paths = map {"$_/sendmail"} split /:/, $ENV{PATH};
+ 	foreach (@sendmail_paths) {
+ 		if (-x $_) {
+ 			$smtp_server = $_;

pkgs/patches/git/installCheck-path.patch

@@ -0,0 +1,12 b''
+diff --git a/t/test-lib.sh b/t/test-lib.sh
+--- a/t/test-lib.sh
++++ b/t/test-lib.sh
+@@ -923,7 +923,7 @@
+ then
+ 	GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
+ 	error "Cannot run git from $GIT_TEST_INSTALLED."
+-	PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
++	PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR/t/helper:$GIT_BUILD_DIR:$PATH
+ 	GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
+ else # normal case, use ../bin-wrappers only unless $with_dashes:
+ 	git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"

pkgs/overlays.nix

@@ -1,17 +1,19 b''
 self: super: {
   # bump GIT version
   git = super.lib.overrideDerivation super.git (oldAttrs: {
-    name = "git-2.17.2";
+    name = "git-2.19.1";
     src = self.fetchurl {
-      url = "https://www.kernel.org/pub/software/scm/git/git-2.17.2.tar.xz";
-      sha256 = "1ghljlxmyqphx13qspy382cpl2pbkbwbhqm7w7z57r9mkhswx668";
+      url = "https://www.kernel.org/pub/software/scm/git/git-2.19.1.tar.xz";
+      sha256 = "1dfv43lmdnxz42504jc89sihbv1d4d6kgqcz3c5ji140kfm5cl1l";
     };
 
+    # patches come from: https://github.com/NixOS/nixpkgs/tree/master/pkgs/applications/version-management/git-and-tools/git
     patches = [
       ./patches/git/docbook2texi.patch
-      ./patches/git/symlinks-in-bin.patch
       ./patches/git/git-sh-i18n.patch
       ./patches/git/ssh-path.patch
+      ./patches/git/git-send-email-honor-PATH.patch
+      ./patches/git/installCheck-path.patch
     ];
 
   });

pkgs/patches/git/docbook2texi.patch

@@ -2,19 +2,19 b' This patch does two things: (1) use the '
 and (2) make sure `gitman.info' isn't produced since it's broken (duplicate
 node names).
 
-diff -ru git-1.8.4-orig/Documentation/Makefile git-1.8.4/Documentation/Makefile
---- git-1.8.4-orig/Documentation/Makefile	2013-08-23 21:38:43.000000000 +0200
-+++ git-1.8.4/Documentation/Makefile	2013-09-30 14:48:51.532890378 +0200
-@@ -101,7 +101,7 @@
+diff --git a/Documentation/Makefile b/Documentation/Makefile
+--- a/Documentation/Makefile
++++ b/Documentation/Makefile
+@@ -122,7 +122,7 @@
  
  MAKEINFO = makeinfo
  INSTALL_INFO = install-info
 -DOCBOOK2X_TEXI = docbook2x-texi
 +DOCBOOK2X_TEXI = docbook2texi
  DBLATEX = dblatex
- ifndef PERL_PATH
- 	PERL_PATH = /usr/bin/perl
-@@ -205,7 +205,7 @@
+ ASCIIDOC_DBLATEX_DIR = /etc/asciidoc/dblatex
+ DBLATEX_COMMON = -p $(ASCIIDOC_DBLATEX_DIR)/asciidoc-dblatex.xsl -s $(ASCIIDOC_DBLATEX_DIR)/asciidoc-dblatex.sty
+@@ -240,7 +240,7 @@
  man5: $(DOC_MAN5)
  man7: $(DOC_MAN7)
  
@@ -23,7 +23,7 b' diff -ru git-1.8.4-orig/Documentation/Ma'
  
  pdf: user-manual.pdf
  
-@@ -221,10 +221,9 @@
+@@ -256,10 +256,9 @@
  
  install-info: info
  	$(INSTALL) -d -m 755 $(DESTDIR)$(infodir)