From 6fa832dc329b3e47797cb827f3125912cd30c167 Mon Sep 17 00:00:00 2001
From: Brian Salehi <briansalehi@proton.me>
Date: Sun, 6 Oct 2024 09:42:04 +0200
Subject: [PATCH] #79 apply requested changes on old bash compatibility

---
 bin/pgenv | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/bin/pgenv b/bin/pgenv
index 406a469..6d04107 100755
--- a/bin/pgenv
+++ b/bin/pgenv
@@ -1360,14 +1360,15 @@ case $1 in
                 $PGENV_CURL -fLO ${PGENV_DOWNLOAD_ROOT}/v$v/${PG_TARBALL}
             fi
 
-            if [[ ${v%.*} -ge 17 ]]; then
+            # Starting from 17.x docs target might fail
+            # due to a missing dependency (docbooks-xsl).
+            # Download the docs tarball separately and
+            # install it after build.
+            if [[ $v =~ ^(1[789]|[2-9][0-9])\. ]]; then
                 PG_DOCS_TARBALL="postgresql-$v-docs.tar.gz"
-                DOCS_TAR_OPTS="zxf"
 
                 pgenv_debug "Downloading docs tarball"
 
-                # starting from 17.x docs target might fail
-                # due to a missing dependency (docbooks-xsl).
                 if [ ! -f $PG_DOCS_TARBALL ]; then
                     $PGENV_CURL -fLO ${PGENV_DOWNLOAD_ROOT}/v$v/${PG_DOCS_TARBALL}
                 fi
@@ -1425,10 +1426,10 @@ EOF
             # dependency for docs since 17.x and above, extracted
             # docs will be placed into the source directory,
             # as if they were built.
-            if [[ ${v%.*} -ge 17 ]]; then
+            if [[ $v =~ ^(1[789]|[2-9][0-9])\. ]]; then
                 pgenv_debug "Unpacking docs tarball"
 
-                $PGENV_TAR $DOCS_TAR_OPTS $PG_DOCS_TARBALL
+                $PGENV_TAR zxf $PG_DOCS_TARBALL
             fi
         fi