Merge #7522: Bugfix: Only use git for build info if the repository is actually the right one

ed1fcdc Bugfix: Detect genbuild.sh in repo correctly (Luke Dashjr)
e98e3dd Bugfix: Only use git for build info if the repository is actually the right one (Luke Dashjr)

Tree-SHA512: 510d7ec8cfeff4e8e0c7ac53631eb32c7acaada7017e7f8cc2e6f60d86afe1cd131870582e01022f961c85a783a130bcb8fef971f8b110070c9c02afda020726

contrib/gitian-descriptors/gitian-linux.yml

@@ -132,6 +132,7 @@ script: |
   export PATH=${WRAP_DIR}:${PATH}
 
   # 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

contrib/gitian-descriptors/gitian-osx.yml

@@ -101,6 +101,7 @@ script: |
   export PATH=${WRAP_DIR}:${PATH}
 
   # 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

contrib/gitian-descriptors/gitian-win.yml

@@ -116,6 +116,7 @@ script: |
   export PATH=${WRAP_DIR}:${PATH}
 
   # 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