[gitian] use versioned unsigned tarballs instead of generically named ones

Instead of re-naming the tarballs used for the code signing step to the generically
named tarball that is used, keep the versioned naming. Only copy them to the
correct filename when they are needed at build time.

contrib/gitian-build.py

@@ -65,14 +65,14 @@ def build():
         print('\nCompiling ' + args.version + ' Windows')
         subprocess.check_call(['bin/gbuild', '-j', args.jobs, '-m', args.memory, '--commit', 'bitcoin='+args.commit, '--url', 'bitcoin='+args.url, '../bitcoin/contrib/gitian-descriptors/gitian-win.yml'])
         subprocess.check_call(['bin/gsign', '-p', args.sign_prog, '--signer', args.signer, '--release', args.version+'-win-unsigned', '--destination', '../gitian.sigs/', '../bitcoin/contrib/gitian-descriptors/gitian-win.yml'])
-        subprocess.check_call('mv build/out/bitcoin-*-win-unsigned.tar.gz inputs/bitcoin-win-unsigned.tar.gz', shell=True)
+        subprocess.check_call('mv build/out/bitcoin-*-win-unsigned.tar.gz inputs/', shell=True)
         subprocess.check_call('mv build/out/bitcoin-*.zip build/out/bitcoin-*.exe ../bitcoin-binaries/'+args.version, shell=True)
 
     if args.macos:
         print('\nCompiling ' + args.version + ' MacOS')
         subprocess.check_call(['bin/gbuild', '-j', args.jobs, '-m', args.memory, '--commit', 'bitcoin='+args.commit, '--url', 'bitcoin='+args.url, '../bitcoin/contrib/gitian-descriptors/gitian-osx.yml'])
         subprocess.check_call(['bin/gsign', '-p', args.sign_prog, '--signer', args.signer, '--release', args.version+'-osx-unsigned', '--destination', '../gitian.sigs/', '../bitcoin/contrib/gitian-descriptors/gitian-osx.yml'])
-        subprocess.check_call('mv build/out/bitcoin-*-osx-unsigned.tar.gz inputs/bitcoin-osx-unsigned.tar.gz', shell=True)
+        subprocess.check_call('mv build/out/bitcoin-*-osx-unsigned.tar.gz inputs/', shell=True)
         subprocess.check_call('mv build/out/bitcoin-*.tar.gz build/out/bitcoin-*.dmg ../bitcoin-binaries/'+args.version, shell=True)
 
     os.chdir(workdir)
@@ -92,6 +92,7 @@ def sign():
 
     if args.windows:
         print('\nSigning ' + args.version + ' Windows')
+        subprocess.check_call('cp inputs/bitcoin-' + args.version + '-win-unsigned.tar.gz inputs/bitcoin-win-unsigned.tar.gz', shell=True)
         subprocess.check_call(['bin/gbuild', '-i', '--commit', 'signature='+args.commit, '../bitcoin/contrib/gitian-descriptors/gitian-win-signer.yml'])
         subprocess.check_call(['bin/gsign', '-p', args.sign_prog, '--signer', args.signer, '--release', args.version+'-win-signed', '--destination', '../gitian.sigs/', '../bitcoin/contrib/gitian-descriptors/gitian-win-signer.yml'])
         subprocess.check_call('mv build/out/bitcoin-*win64-setup.exe ../bitcoin-binaries/'+args.version, shell=True)
@@ -99,6 +100,7 @@ def sign():
 
     if args.macos:
         print('\nSigning ' + args.version + ' MacOS')
+        subprocess.check_call('cp inputs/bitcoin-' + args.version + '-osx-unsigned.tar.gz inputs/bitcoin-osx-unsigned.tar.gz', shell=True)
         subprocess.check_call(['bin/gbuild', '-i', '--commit', 'signature='+args.commit, '../bitcoin/contrib/gitian-descriptors/gitian-osx-signer.yml'])
         subprocess.check_call(['bin/gsign', '-p', args.sign_prog, '--signer', args.signer, '--release', args.version+'-osx-signed', '--destination', '../gitian.sigs/', '../bitcoin/contrib/gitian-descriptors/gitian-osx-signer.yml'])
         subprocess.check_call('mv build/out/bitcoin-osx-signed.dmg ../bitcoin-binaries/'+args.version+'/bitcoin-'+args.version+'-osx.dmg', shell=True)