From 8dbd2edd9855e0a95e481f3615d9549195c937ad Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Fri, 12 Feb 2016 05:36:55 +0000
Subject: [PATCH] Bugfix: Only use git for build info if the repository is
 actually the right one

Also adds ability to disable check with BITCOIN_GENBUILD_NO_GIT=1 in the environment

(cherry picked from commit bitcoin/bitcoin@e98e3dde6a976a2c8f266ee963d6931fd4b37262)
---
 contrib/gitian-descriptors/gitian-linux.yml | 1 +
 contrib/gitian-descriptors/gitian-osx.yml   | 1 +
 contrib/gitian-descriptors/gitian-win.yml   | 1 +
 share/genbuild.sh                           | 2 +-
 4 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/contrib/gitian-descriptors/gitian-linux.yml b/contrib/gitian-descriptors/gitian-linux.yml
index fc7de7de5..98d136cd0 100644
--- a/contrib/gitian-descriptors/gitian-linux.yml
+++ b/contrib/gitian-descriptors/gitian-linux.yml
@@ -97,6 +97,7 @@ script: |
   create_per-host_faketime_wrappers "${REFERENCE_DATETIME}"
 
   # Create the release tarball using (arbitrarily) the first host
+  export GIT_DIR="$PWD/.git"
   ./autogen.sh
   CONFIG_SITE=${BASEPREFIX}/`echo "${HOSTS}" | awk '{print $1;}'`/share/config.site ./configure --prefix=/
   make dist
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index 65533d060..93ecfb14c 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -92,6 +92,7 @@ script: |
   create_per-host_faketime_wrappers "${REFERENCE_DATETIME}"
 
   # Create the release tarball using (arbitrarily) the first host
+  export GIT_DIR="$PWD/.git"
   ./autogen.sh
   CONFIG_SITE=${BASEPREFIX}/`echo "${HOSTS}" | awk '{print $1;}'`/share/config.site ./configure --prefix=/
   make dist
diff --git a/contrib/gitian-descriptors/gitian-win.yml b/contrib/gitian-descriptors/gitian-win.yml
index cab6187fa..780a83f3b 100644
--- a/contrib/gitian-descriptors/gitian-win.yml
+++ b/contrib/gitian-descriptors/gitian-win.yml
@@ -113,6 +113,7 @@ script: |
   create_per-host_linker_wrapper "${REFERENCE_DATETIME}"
 
   # Create the release tarball using (arbitrarily) the first host
+  export GIT_DIR="$PWD/.git"
   ./autogen.sh
   CONFIG_SITE=${BASEPREFIX}/`echo "${HOSTS}" | awk '{print $1;}'`/share/config.site ./configure --prefix=/
   make dist
diff --git a/share/genbuild.sh b/share/genbuild.sh
index 42b5778c2..3df4bcf03 100755
--- a/share/genbuild.sh
+++ b/share/genbuild.sh
@@ -22,7 +22,7 @@ fi
 
 DESC=""
 SUFFIX=""
-if [ -e "$(which git 2>/dev/null)" -a "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then
+if [ "${BITCOIN_GENBUILD_NO_GIT}" != "1" -a -e "$(which git 2>/dev/null)" -a "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" -a "$(git status --porcelain -u no --ignored "$0" | cut -b1)" != "?" ]; then
     # clean 'dirty' status of touched files that haven't been modified
     git diff >/dev/null 2>/dev/null