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authorMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-05-22 18:43:46 -0300
committerJonathan Corbet <corbet@lwn.net>2019-05-24 09:09:32 -0600
commit77d09ad9dc515c719f83f3b8489b0abc43563769 (patch)
tree589cef6c8eb207279d485331ef9b6fd677d6ca27 /scripts
parent3bc8088464712fdcb078eefb68837ccfcc413c88 (diff)
scripts/sphinx-pre-install: make it handle Sphinx versions
As we want to switch to a newer Sphinx version in the future, add some version detected logic, checking if the current version meets the requirement and suggesting upgrade it the version is supported but too old. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/sphinx-pre-install86
1 files changed, 79 insertions, 7 deletions
diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index f6a5c0bae31e..8c2d1bcf2e02 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -13,7 +13,7 @@ use strict;
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-my $virtenv_dir = "sphinx_1.4";
+my $conf = "Documentation/conf.py";
my $requirement_file = "Documentation/sphinx/requirements.txt";
#
@@ -26,7 +26,9 @@ my $need = 0;
my $optional = 0;
my $need_symlink = 0;
my $need_sphinx = 0;
+my $rec_sphinx_upgrade = 0;
my $install = "";
+my $virtenv_dir = "sphinx_";
#
# Command line arguments
@@ -201,13 +203,15 @@ sub check_missing_tex($)
}
}
-sub check_sphinx()
+sub get_sphinx_fname()
{
- return if findprog("sphinx-build");
+ my $fname = "sphinx-build";
+ return $fname if findprog($fname);
- if (findprog("sphinx-build-3")) {
+ $fname = "sphinx-build-3";
+ if (findprog($fname)) {
$need_symlink = 1;
- return;
+ return $fname;
}
if ($virtualenv) {
@@ -219,6 +223,73 @@ sub check_sphinx()
} else {
add_package("python-sphinx", 0);
}
+
+ return "";
+}
+
+sub check_sphinx()
+{
+ my $min_version;
+ my $rec_version;
+ my $cur_version;
+
+ open IN, $conf or die "Can't open $conf";
+ while (<IN>) {
+ if (m/^\s*needs_sphinx\s*=\s*[\'\"]([\d\.]+)[\'\"]/) {
+ $min_version=$1;
+ last;
+ }
+ }
+ close IN;
+
+ die "Can't get needs_sphinx version from $conf" if (!$min_version);
+
+ open IN, $requirement_file or die "Can't open $requirement_file";
+ while (<IN>) {
+ if (m/^\s*Sphinx\s*==\s*([\d\.]+)$/) {
+ $rec_version=$1;
+ last;
+ }
+ }
+ close IN;
+
+ die "Can't get recommended sphinx version from $requirement_file" if (!$min_version);
+
+ $virtenv_dir .= $rec_version;
+
+ my $sphinx = get_sphinx_fname();
+ return if ($sphinx eq "");
+
+ open IN, "$sphinx --version 2>&1 |" or die "$sphinx returned an error";
+ while (<IN>) {
+ if (m/^\s*sphinx-build\s+([\d\.]+)$/) {
+ $cur_version=$1;
+ last;
+ }
+ # Sphinx 1.2.x uses a different format
+ if (m/^\s*Sphinx.*\s+([\d\.]+)$/) {
+ $cur_version=$1;
+ last;
+ }
+ }
+ close IN;
+
+ die "$sphinx didn't return its version" if (!$cur_version);
+
+ printf "Sphinx version %s (minimal: %s, recommended >= %s)\n",
+ $cur_version, $min_version, $rec_version;
+
+ if ($cur_version lt $min_version) {
+ print "Warning: Sphinx version should be >= $min_version\n\n";
+ $need_sphinx = 1;
+ return;
+ }
+
+ if ($cur_version lt $rec_version) {
+ print "Warning: It is recommended at least Sphinx version $rec_version.\n";
+ print " To upgrade, use:\n\n";
+ $rec_sphinx_upgrade = 1;
+ }
}
#
@@ -540,7 +611,7 @@ sub check_needs()
printf "\tsudo ln -sf %s /usr/bin/sphinx-build\n\n",
which("sphinx-build-3");
}
- if ($need_sphinx) {
+ if ($need_sphinx || $rec_sphinx_upgrade) {
my $activate = "$virtenv_dir/bin/activate";
if (-e "$ENV{'PWD'}/$activate") {
printf "\nNeed to activate virtualenv with:\n";
@@ -554,7 +625,8 @@ sub check_needs()
printf "\t$virtualenv $virtenv_dir\n";
printf "\t. $activate\n";
printf "\tpip install -r $requirement_file\n";
- $need++;
+
+ $need++ if (!$rec_sphinx_upgrade);
}
}
printf "\n";