From 6c09f2a45c5541e9c207d14fc7aa21a4a0066bde Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 4 May 2024 03:03:19 +0200
Subject: Merging upstream version 1:2.12.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 helpers/Makefile.am              |  2 +-
 helpers/make-extract-targets.awk | 93 ++++++++++++++++++++++++++++++++++++++++
 helpers/python                   |  2 +-
 3 files changed, 95 insertions(+), 2 deletions(-)
 create mode 100644 helpers/make-extract-targets.awk

(limited to 'helpers')

diff --git a/helpers/Makefile.am b/helpers/Makefile.am
index 2a0a18d..fb3c0c8 100644
--- a/helpers/Makefile.am
+++ b/helpers/Makefile.am
@@ -1,4 +1,4 @@
 helpersdir = $(datadir)/$(PACKAGE)/helpers
-helpers_DATA = perl python
+helpers_DATA = perl python make-extract-targets.awk
 
 EXTRA_DIST = $(helpers_DATA)
diff --git a/helpers/make-extract-targets.awk b/helpers/make-extract-targets.awk
new file mode 100644
index 0000000..b0ce10e
--- /dev/null
+++ b/helpers/make-extract-targets.awk
@@ -0,0 +1,93 @@
+# helper AWK script for GNU make                                    -*- awk -*-
+
+# This AWK script is used by the function `_comp_cmd_make__extract_targets` in
+# `completions/make`.  This script receives the output of `make -npq' as the
+# input file or stdin and outputs the list of targets matching the prefix.
+#
+# @env prefix         Specifies the prefix to match.
+# @env prefix_replace Specifies the string that replaces the prefix in the
+#   output.  This is used when we want to omit the directory name in showing
+#   the list of the completions.
+#
+
+BEGIN {
+  prefix = ENVIRON["prefix"];
+  prefix_replace = ENVIRON["prefix_replace"];
+  is_target_block = 0;
+  target = "";
+}
+
+function starts_with(str, prefix) {
+  return substr(str, 1, length(prefix)) == prefix;
+}
+
+# skip any makefile outputs
+NR == 1, /^# +Make data base/ { next; }
+/^# +Finished Make data base/,/^# +Make data base/ { next; }
+
+# skip until files section
+/^# +Variables/, /^# +Files/ { next; }
+
+# skip not-target blocks
+/^# +Not a target/, /^$/     { next; }
+
+# The stuff above here describes lines that are not
+#  explicit targets or not targets other than special ones
+# The stuff below here decides whether an explicit target
+#  should be output.
+
+# only process the targets the user wants.
+starts_with($0, prefix) { is_target_block = 1; }
+is_target_block == 0 { next; }
+
+/^# +File is an intermediate prerequisite/ { # cancel the block
+  is_target_block = 0;
+  target = "";
+  next;
+}
+
+# end of target block
+/^$/ {
+  is_target_block = 0;
+  if (target != "") {
+    print target;
+    target = "";
+  }
+  next;
+}
+
+# found target block
+/^[^#\t:%]+:/ {
+  # special targets
+  if (/^\.PHONY:/               ) next;
+  if (/^\.SUFFIXES:/            ) next;
+  if (/^\.DEFAULT:/             ) next;
+  if (/^\.PRECIOUS:/            ) next;
+  if (/^\.INTERMEDIATE:/        ) next;
+  if (/^\.SECONDARY:/           ) next;
+  if (/^\.SECONDEXPANSION:/     ) next;
+  if (/^\.DELETE_ON_ERROR:/     ) next;
+  if (/^\.IGNORE:/              ) next;
+  if (/^\.LOW_RESOLUTION_TIME:/ ) next;
+  if (/^\.SILENT:/              ) next;
+  if (/^\.EXPORT_ALL_VARIABLES:/) next;
+  if (/^\.NOTPARALLEL:/         ) next;
+  if (/^\.ONESHELL:/            ) next;
+  if (/^\.POSIX:/               ) next;
+  if (/^\.NOEXPORT:/            ) next;
+  if (/^\.MAKE:/                ) next;
+
+  # dont complete with hidden targets unless we are doing a partial completion
+  if (prefix == "" || prefix ~ /\/$/)
+    if (substr($0, length(prefix) + 1, 1) ~ /[^a-zA-Z0-9]/)
+      next;
+
+  target = $0;
+  sub(/:.*/, "", target);
+  if (prefix_replace != prefix)
+    target = prefix_replace substr(target, 1 + length(prefix));
+
+  next;
+}
+
+# ex: filetype=awk
diff --git a/helpers/python b/helpers/python
index a74387f..b6c4d5e 100644
--- a/helpers/python
+++ b/helpers/python
@@ -11,4 +11,4 @@ else:
     walker = pkgutil.iter_modules
 
 for mod in walker():
-    print(mod[1])  # noqa: E211
+    print(mod[1])
-- 
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