From f1b7e4355c01521758cd1d9881c29d07134d1a84 Mon Sep 17 00:00:00 2001
From: "B. Watson" <urchlay@slackware.uk>
Date: Mon, 19 Jun 2023 14:17:51 -0400
Subject: sbolint: doinst.sh content check.

---
 NEWS    |  5 +++++
 sbolint | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 71 insertions(+)

diff --git a/NEWS b/NEWS
index b34d598..9bd00f0 100644
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,11 @@ New in 0.9.0:
 sbopkglint:
 - Spaces in filenames are now handled correctly.
 - Permissions and ownership of icons are now checked.
+- Shared libraries are now checked for +x permission.
+
+sbolint:
+- If doinst.sh exists, it's checked for correct usage of config(),
+  preserve_perms(), and gtk-update-icon-cache.
 
 New in 0.8.2:
 =============
diff --git a/sbolint b/sbolint
index 6fc644d..1b9d61b 100755
--- a/sbolint
+++ b/sbolint
@@ -214,6 +214,17 @@ If there is a doinst.sh script, the SlackBuild must install it to I<$PKG/install
 
 =item -
 
+If there is a doinst.sh script, and it uses the config() function, the function must
+be defined before it's used. Also, config files passed to config() must end with
+a B<.new> suffix.
+
+=item -
+
+If there is a doinst.sh script, and it calls B<gtk-update-icon-cache>, the existence
+of the cache must be checked before this command is run.
+
+=item -
+
 Template boilerplate comments should be removed, e.g. I<"REMOVE THIS ENTIRE BLOCK OF TEXT">
 or I<"Automatically determine the architecture we're building on">.
 
@@ -657,6 +668,7 @@ sub run_checks {
 				\&check_slackdesc,
 				\&check_info,
 				\&check_script,
+				\&check_doinst,
 				\&check_images,
 				\&check_empty_hidden,
 				);
@@ -1464,6 +1476,60 @@ sub check_script {
 	}
 }
 
+sub check_doinst {
+	my $file = "doinst.sh";
+	return unless -f $file;
+	my @lines = check_and_read($file);
+	return unless scalar @lines;
+
+	my $lineno = 0;
+	my ($config_defined, $icon_theme_check, $pp_defined);
+
+	for(@lines) {
+		$lineno++;
+		s,#.*,,;
+		s,^\s*,,;
+		s,\s*$,,;
+		next unless /./;
+
+		if(/^config\(\)/) {
+			$config_defined = $lineno;
+		} elsif(/^config\s+/) {
+			# the [\@\$] is intended to skip stuff like $NEW, or a for loop variable,
+			# or something intended to be sedded like @PATH@.
+			if(/^config\s+\//) {
+				log_error("$file:$lineno: 'config' uses absolute path.");
+			}
+			if(!/[\@\$]/ && !/\.new["']?$/) {
+				log_error("$file:$lineno: 'config' filename missing .new suffix.");
+			}
+			if(!$config_defined) {
+				log_error("$file:$lineno: 'config' function used, but not defined.");
+			}
+		} elsif(/^preserve_perms\(\)/) {
+			$pp_defined = $lineno;
+		} elsif(/^preserve_perms\s+/) {
+			if(/^preserve_perms\s+\//) {
+				log_error("$file:$lineno: 'preserve_perms' uses absolute path.");
+			}
+			if(!/[\@\$]/ && !/\.new["']?$/) {
+				log_error("$file:$lineno: 'preserve_perms' filename missing .new suffix.");
+			}
+			if(!$pp_defined) {
+				log_error("$file:$lineno: 'preserve_perms' function used, but not defined.");
+			}
+		} elsif(m,-e\s+usr/share/icons/[^/]*/icon-theme\.cache,) {
+			$icon_theme_check = $lineno;
+		} elsif(m,usr/bin/gtk-update-icon-cache.*usr/share/icons,) {
+			if(!$icon_theme_check) {
+				log_error("$file:$lineno: icon cache created unconditionally!");
+			}
+			undef $icon_theme_check; # in case there's multiple icon dirs
+		}
+	}
+
+}
+
 sub findem {
 	my ($findcmd, $errmsg) = @_;
 	open my $fh, "-|", "$findcmd";
-- 
cgit v1.2.3