From 53330f07f2edf1856e11d181725c9d4d1865c309 Mon Sep 17 00:00:00 2001
From: Michael Scherer <misc@redhat.com>
Date: Apr 07 2020 10:31:09 +0000
Subject: Add a switch to do a local checkout of po4a


Since EL7 do not have a recent enough po4a, we need that
so we can build the pot file on sundries. Once this move to
a newer platform, this code can be removed.

---

diff --git a/.gitignore b/.gitignore
index da096f6..5130981 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 l10n/
 sources/
+po4a/
 translated-sources/
 errors.txt
diff --git a/build.py b/build.py
index 634de20..6e31fe6 100755
--- a/build.py
+++ b/build.py
@@ -26,6 +26,10 @@ def main():
                         help="Should we commit translated sources?")
     parser.add_argument("--component", required=False,
                         help="Antora component to convert, all if unset")
+    parser.add_argument("--clone-po4a", action='store_true',
+                        help="Use a local checkout of po4a")
+    parser.add_argument("--clone-po4a-version", default='v0.57',
+                        help="Set the version for checkout of po4a")
     args = parser.parse_args()
 
     SELECTED_COMPONENT = args.component
@@ -39,6 +43,9 @@ def main():
 
     open("errors.txt", "w").close()
 
+    if args.clone_po4a:
+        clone_po4a(args.clone_po4a_version)
+
     if args.clone_sources == "true":
         clone_sources()
 
@@ -51,6 +58,20 @@ def main():
     if args.commit_tsources == "true":
         commit_translated_source()
 
+
+def clone_po4a(version):
+    """Clone po4a, since the one in RHEL 7 is too old"""
+    print("Clone po4a version %s" % version)
+    repo_dir = '%s/po4a' % os.getcwd()
+
+    if os.path.exists(repo_dir):
+        subprocess.run(['git', 'fetch'], check=True, cwd=repo_dir)
+    else:
+        subprocess.run(["git", "clone", "https://github.com/mquinson/po4a" ], check=True)
+    subprocess.run(['git', 'checkout', version], check=True, cwd=repo_dir)
+    os.environ['PATH'] = "%s/:%s" % (repo_dir, os.environ['PATH'])
+    os.environ['PERL5LIB'] = repo_dir + '/lib'
+
 def call_src_to_pot(url, branch='master', basedir='/', module="ROOT"):
     """Call src-to-ot.sh to convert english source (adoc) content to pot files"""
     print("call_src_to_pot: "+url +" b:"+ branch +" bd:"+ basedir +" m:"+ module)