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| | # SPDX-License-Identifier: EUPL-1.2+
# SPDX-FileCopyrightText: 2021-2024 Alyssa Ross <hi@alyssa.is>
# SPDX-FileCopyrightText: 2025 Demi Marie Obenour <demiobenour@gmail.com>
BEGIN {
RS = "\n";
FS = "\t";
modes["120000"] = "symlink";
modes["100644"] = "regular";
modes["100755"] = "regular";
}
function fail(msg) {
exit_code = 1;
print msg > "/dev/stderr";
exit 1;
}
# Extract data from built-in variables.
{
filename = $2;
raw_mode = $1;
# awk autocreates empty string entries if the key is invalid,
# but the code exits in this case so that is okay.
mode = modes[raw_mode];
}
filename !~ /^[[:alnum:]_./-]+$/ {
fail("filename '" filename "' has forbidden characters");
}
# Skip license files
/\.license$/ { next }
filename ~ /^image\/etc\/s6-rc\// {
if (mode != "regular") {
fail("s6-rc-compile input '" filename "' isn't a regular file");
}
rc_files[rc_count++] = filename;
next;
}
mode == "symlink" {
symlinks[symlink_count++] = filename;
next;
}
mode == "regular" {
files[file_count++] = filename;
next;
}
{ fail("File '" filename "' is not regular file or symlink (mode " raw_mode ")"); }
END {
if (exit_code) {
exit exit_code;
}
printf ("# SPDX-License-Identifier: EUPL-1.2+\n" \
"# SPDX-FileCopyrightText: 2021-2024 Alyssa Ross <hi@alyssa.is>\n" \
"# Generated by scripts/genfile.sh. Any changes will be overwritten.\n" \
"FILES =");
for (array_index = 0; array_index < file_count; array_index += 1) {
printf " \\\n\t%s", files[array_index];
}
printf ("\n\n" \
"# These are separate because they need to be included, but putting\n" \
"# them as make dependencies would confuse make.\n" \
"LINKS =");
for (array_index = 0; array_index < symlink_count; array_index += 1) {
printf " \\\n\t%s", symlinks[array_index];
}
printf "\n\nS6_RC_FILES =";
for (array_index = 0; array_index < rc_count; array_index += 1) {
printf " \\\n\t%s", rc_files[array_index];
}
print "";
}
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