Adding upstream version 5.4.4.upstream/5.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 733 insertions, 0 deletions

diff --git a/sources.c b/sources.c
new file mode 100644
index 0000000..1e7efcb
--- /dev/null
+++ b/sources.c
@@ -0,0 +1,733 @@
+/*  This file is part of "reprepro"
+ *  Copyright (C) 2003,2004,2005,2006,2007,2008,2009,2010 Bernhard R. Link
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02111-1301  USA
+ */
+#include <config.h>
+
+#include <assert.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <string.h>
+#include <strings.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include "error.h"
+#include "mprintf.h"
+#include "strlist.h"
+#include "chunks.h"
+#include "sources.h"
+#include "names.h"
+#include "dirs.h"
+#include "dpkgversions.h"
+#include "override.h"
+#include "tracking.h"
+#include "signature.h"
+#include "package.h"
+
+/* split a "<md5> <size> <filename>" into md5sum and filename */
+static retvalue calc_parsefileline(const char *fileline, /*@out@*/char **filename) {
+	const char *p, *fn, *fnend;
+	char *filen;
+
+	assert (fileline != NULL);
+	if (*fileline == '\0')
+		return RET_NOTHING;
+
+	/* the md5sums begins after the (perhaps) heading spaces ...  */
+	p = fileline;
+	while (*p != '\0' && (*p == ' ' || *p == '\t'))
+		p++;
+	if (*p == '\0')
+		return RET_NOTHING;
+	/* ... and ends with the following spaces. */
+	while (*p != '\0' && !(*p == ' ' || *p == '\t'))
+		p++;
+	if (*p == '\0') {
+		fprintf(stderr, "Expecting more data after md5sum!\n");
+		return RET_ERROR;
+	}
+	/* Then the size of the file is expected: */
+	while ((*p == ' ' || *p == '\t'))
+		p++;
+	while (*p !='\0' && !(*p == ' ' || *p == '\t'))
+		p++;
+	if (*p == '\0') {
+		fprintf(stderr, "Expecting more data after size!\n");
+		return RET_ERROR;
+	}
+	/* Then the filename */
+	fn = p;
+	while ((*fn == ' ' || *fn == '\t'))
+		fn++;
+	fnend = fn;
+	while (*fnend != '\0' && !(*fnend == ' ' || *fnend == '\t'))
+		fnend++;
+
+	filen = strndup(fn, fnend-fn);
+	if (FAILEDTOALLOC(filen))
+		return RET_ERROR_OOM;
+	*filename = filen;
+	return RET_OK;
+}
+
+static retvalue getBasenames(const struct strlist *filelines, /*@out@*/struct strlist *basenames) {
+	int i;
+	retvalue r;
+
+	assert (filelines != NULL && basenames != NULL);
+
+	r = strlist_init_n(filelines->count, basenames);
+	if (RET_WAS_ERROR(r))
+		return r;
+	r = RET_NOTHING;
+	for (i = 0 ; i < filelines->count ; i++) {
+		char *basefilename;
+		const char *fileline = filelines->values[i];
+
+		r = calc_parsefileline(fileline, &basefilename);
+		if (r == RET_NOTHING) {
+			fprintf(stderr, "Malformed Files: line '%s'!\n",
+					fileline);
+			r = RET_ERROR;
+		}
+		if (RET_WAS_ERROR(r))
+			break;
+
+		r = strlist_add(basenames, basefilename);
+		if (RET_WAS_ERROR(r)) {
+			break;
+		}
+		r = RET_OK;
+	}
+	if (RET_WAS_ERROR(r)) {
+		strlist_done(basenames);
+	} else {
+		assert (filelines->count == basenames->count);
+	}
+	return r;
+}
+
+retvalue sources_getversion(const char *control, char **version) {
+	retvalue r;
+
+	r = chunk_getvalue(control, "Version", version);
+	if (RET_WAS_ERROR(r))
+		return r;
+	if (r == RET_NOTHING) {
+		fprintf(stderr, "Missing 'Version' field in chunk:'%s'\n",
+				control);
+		return RET_ERROR;
+	}
+	return r;
+}
+
+retvalue sources_getarchitecture(UNUSED(const char *chunk), architecture_t *architecture_p) {
+	*architecture_p = architecture_source;
+	return RET_OK;
+}
+
+retvalue sources_getinstalldata(const struct target *t, struct package *package, char **control, struct strlist *filekeys, struct checksumsarray *origfiles) {
+	retvalue r;
+	char *origdirectory, *directory, *mychunk;
+	struct strlist myfilekeys;
+	struct strlist filelines[cs_hashCOUNT];
+	struct checksumsarray files;
+	enum checksumtype cs;
+	bool gothash = false;
+	const char *chunk = package->control;
+
+	assert (package->architecture == architecture_source);
+
+	for (cs = cs_md5sum ; cs < cs_hashCOUNT ; cs++) {
+		assert (source_checksum_names[cs] != NULL);
+		r = chunk_getextralinelist(chunk, source_checksum_names[cs],
+				&filelines[cs]);
+		if (r == RET_NOTHING)
+			strlist_init(&filelines[cs]);
+		else if (RET_WAS_ERROR(r)) {
+			while (cs-- > cs_md5sum) {
+				strlist_done(&filelines[cs]);
+			}
+			return r;
+		} else
+			gothash = true;
+	}
+	if (!gothash) {
+		fprintf(stderr,
+"Missing 'Files' (or 'SHA1' or ...)  entry in '%s'!\n",
+				chunk);
+		for (cs = cs_md5sum ; cs < cs_hashCOUNT ; cs++)
+			strlist_done(&filelines[cs]);
+		return RET_ERROR;
+	}
+	r = checksumsarray_parse(&files, filelines, package->name);
+	for (cs = cs_md5sum ; cs < cs_hashCOUNT ; cs++) {
+		strlist_done(&filelines[cs]);
+	}
+	if (RET_WAS_ERROR(r))
+		return r;
+
+	r = chunk_getvalue(chunk, "Directory", &origdirectory);
+	if (r == RET_NOTHING) {
+/* Flat repositories can come without this, TODO: add warnings in other cases
+		fprintf(stderr, "Missing 'Directory' entry in '%s'!\n", chunk);
+		r = RET_ERROR;
+*/
+		origdirectory = strdup(".");
+		if (FAILEDTOALLOC(origdirectory))
+			r = RET_ERROR_OOM;
+	}
+	if (RET_WAS_ERROR(r)) {
+		checksumsarray_done(&files);
+		return r;
+	}
+
+	r = propersourcename(package->name);
+	assert (r != RET_NOTHING);
+	if (RET_IS_OK(r))
+		r = properfilenames(&files.names);
+	if (RET_WAS_ERROR(r)) {
+		fprintf(stderr,
+"Forbidden characters in source package '%s'!\n", package->name);
+		free(origdirectory);
+		checksumsarray_done(&files);
+		return r;
+	}
+
+	directory = calc_sourcedir(t->component, package->name);
+	if (FAILEDTOALLOC(directory))
+		r = RET_ERROR_OOM;
+	else
+		r = calc_dirconcats(directory, &files.names, &myfilekeys);
+	if (RET_WAS_ERROR(r)) {
+		free(directory);
+		free(origdirectory);
+		checksumsarray_done(&files);
+		return r;
+	}
+	r = calc_inplacedirconcats(origdirectory, &files.names);
+	free(origdirectory);
+	if (!RET_WAS_ERROR(r)) {
+		char *n;
+
+		n = chunk_normalize(chunk, "Package", package->name);
+		if (FAILEDTOALLOC(n))
+			mychunk = NULL;
+		else
+			mychunk = chunk_replacefield(n,
+					"Directory", directory, true);
+		free(n);
+		if (FAILEDTOALLOC(mychunk))
+			r = RET_ERROR_OOM;
+	}
+	free(directory);
+	if (RET_WAS_ERROR(r)) {
+		strlist_done(&myfilekeys);
+		checksumsarray_done(&files);
+		return r;
+	}
+	*control = mychunk;
+	strlist_move(filekeys, &myfilekeys);
+	checksumsarray_move(origfiles, &files);
+	return RET_OK;
+}
+
+retvalue sources_getfilekeys(const char *chunk, struct strlist *filekeys) {
+	char *origdirectory;
+	struct strlist basenames;
+	retvalue r;
+	struct strlist filelines;
+
+
+	/* Read the directory given there */
+	r = chunk_getvalue(chunk, "Directory", &origdirectory);
+	if (r == RET_NOTHING) {
+		//TODO: check if it is even text and do not print
+		//of looking binary??
+		fprintf(stderr, "Does not look like source control: '%s'\n",
+				chunk);
+		return RET_ERROR;
+	}
+	if (RET_WAS_ERROR(r))
+		return r;
+
+	r = chunk_getextralinelist(chunk, "Files", &filelines);
+	if (r == RET_NOTHING) {
+		//TODO: check if it is even text and do not print
+		//of looking binary??
+		fprintf(stderr, "Does not look like source control: '%s'\n",
+				chunk);
+		r = RET_ERROR;
+	}
+	if (RET_WAS_ERROR(r)) {
+		free(origdirectory);
+		return r;
+	}
+	r = getBasenames(&filelines, &basenames);
+	strlist_done(&filelines);
+	if (RET_WAS_ERROR(r)) {
+		free(origdirectory);
+		return r;
+	}
+
+	r = calc_dirconcats(origdirectory, &basenames, filekeys);
+	free(origdirectory);
+	strlist_done(&basenames);
+	return r;
+}
+
+retvalue sources_getchecksums(const char *chunk, struct checksumsarray *out) {
+	char *origdirectory;
+	struct checksumsarray a;
+	retvalue r;
+	struct strlist filelines[cs_hashCOUNT];
+	enum checksumtype cs;
+
+	/* Read the directory given there */
+	r = chunk_getvalue(chunk, "Directory", &origdirectory);
+	if (!RET_IS_OK(r))
+		return r;
+
+	for (cs = cs_md5sum ; cs < cs_hashCOUNT ; cs++) {
+		assert (source_checksum_names[cs] != NULL);
+		r = chunk_getextralinelist(chunk, source_checksum_names[cs],
+				&filelines[cs]);
+		if (r == RET_NOTHING) {
+			if (cs == cs_md5sum) {
+				fprintf(stderr,
+"Missing 'Files' entry in '%s'!\n",
+						chunk);
+				r = RET_ERROR;
+			} else
+				strlist_init(&filelines[cs]);
+		}
+		if (RET_WAS_ERROR(r)) {
+			while (cs-- > cs_md5sum) {
+				strlist_done(&filelines[cs]);
+			}
+			free(origdirectory);
+			return r;
+		}
+	}
+	r = checksumsarray_parse(&a, filelines, "source chunk");
+	for (cs = cs_md5sum ; cs < cs_hashCOUNT ; cs++) {
+		strlist_done(&filelines[cs]);
+	}
+	if (RET_WAS_ERROR(r)) {
+		free(origdirectory);
+		return r;
+	}
+
+	r = calc_inplacedirconcats(origdirectory, &a.names);
+	free(origdirectory);
+	if (RET_WAS_ERROR(r)) {
+		checksumsarray_done(&a);
+		return r;
+	}
+	checksumsarray_move(out, &a);
+	return RET_OK;
+}
+
+retvalue sources_doreoverride(const struct target *target, const char *packagename, const char *controlchunk, /*@out@*/char **newcontrolchunk) {
+	const struct overridedata *o;
+	struct fieldtoadd *fields;
+	char *newchunk;
+	retvalue r;
+
+	if (interrupted())
+		return RET_ERROR_INTERRUPTED;
+
+	o = override_search(target->distribution->overrides.dsc, packagename);
+	if (o == NULL)
+		return RET_NOTHING;
+
+	r = override_allreplacefields(o, &fields);
+	if (!RET_IS_OK(r))
+		return r;
+	newchunk = chunk_replacefields(controlchunk, fields,
+			"Directory", true);
+	addfield_free(fields);
+	if (FAILEDTOALLOC(newchunk))
+		return RET_ERROR_OOM;
+	*newcontrolchunk = newchunk;
+	return RET_OK;
+}
+
+retvalue sources_retrack(const char *sourcename, const char *chunk, trackingdb tracks) {
+	retvalue r;
+	char *sourceversion;
+	struct trackedpackage *pkg;
+	struct strlist filekeys;
+	int i;
+
+	//TODO: eliminate duplicate code!
+	assert(sourcename!=NULL);
+
+	if (interrupted())
+		return RET_ERROR_INTERRUPTED;
+
+	r = chunk_getvalue(chunk, "Version", &sourceversion);
+	if (r == RET_NOTHING) {
+		fprintf(stderr, "Missing 'Version' field in chunk:'%s'\n",
+				chunk);
+		r = RET_ERROR;
+	}
+	if (RET_WAS_ERROR(r)) {
+		return r;
+	}
+
+	r = sources_getfilekeys(chunk, &filekeys);
+	if (r == RET_NOTHING) {
+		fprintf(stderr, "Malformed source control:'%s'\n", chunk);
+		r = RET_ERROR;
+	}
+	if (RET_WAS_ERROR(r)) {
+		free(sourceversion);
+		return r;
+	}
+
+	r = tracking_getornew(tracks, sourcename, sourceversion, &pkg);
+	free(sourceversion);
+	if (RET_WAS_ERROR(r)) {
+		strlist_done(&filekeys);
+		return r;
+	}
+
+	// TODO: error handling is suboptimal here.
+	//  is there a way to again remove old additions (esp. references)
+	//  where something fails?
+	for (i = 0 ; i < filekeys.count ; i++) {
+		r = trackedpackage_addfilekey(tracks, pkg,
+				ft_SOURCE, filekeys.values[i], true);
+		filekeys.values[i] = NULL;
+		if (RET_WAS_ERROR(r)) {
+			strlist_done(&filekeys);
+			trackedpackage_free(pkg);
+			return r;
+		}
+	}
+	strlist_done(&filekeys);
+	return tracking_save(tracks, pkg);
+}
+
+retvalue sources_getsourceandversion(const char *chunk, const char *packagename, char **source, char **version) {
+	retvalue r;
+	char *sourceversion;
+	char *sourcename;
+
+	//TODO: eliminate duplicate code!
+	assert(packagename!=NULL);
+
+	r = chunk_getvalue(chunk, "Version", &sourceversion);
+	if (r == RET_NOTHING) {
+		fprintf(stderr, "Missing 'Version' field in chunk:'%s'\n",
+				chunk);
+		r = RET_ERROR;
+	}
+	if (RET_WAS_ERROR(r)) {
+		return r;
+	}
+	sourcename = strdup(packagename);
+	if (FAILEDTOALLOC(sourcename)) {
+		free(sourceversion);
+		return RET_ERROR_OOM;
+	}
+	*source = sourcename;
+	*version = sourceversion;
+	return RET_OK;
+}
+
+/****************************************************************/
+
+static inline retvalue getvalue(const char *filename, const char *chunk, const char *field, char **value) {
+	retvalue r;
+
+	r = chunk_getvalue(chunk, field, value);
+	if (r == RET_NOTHING) {
+		fprintf(stderr, "Missing '%s' field in %s!\n",
+				field, filename);
+		r = RET_ERROR;
+	}
+	return r;
+}
+
+static inline retvalue checkvalue(const char *filename, const char *chunk, const char *field) {
+	retvalue r;
+
+	r = chunk_checkfield(chunk, field);
+	if (r == RET_NOTHING) {
+		fprintf(stderr, "Cannot find '%s' field in %s!\n",
+				field, filename);
+		r = RET_ERROR;
+	}
+	return r;
+}
+
+static inline retvalue getvalue_n(const char *chunk, const char *field, char **value) {
+	retvalue r;
+
+	r = chunk_getvalue(chunk, field, value);
+	if (r == RET_NOTHING) {
+		*value = NULL;
+	}
+	return r;
+}
+
+retvalue sources_readdsc(struct dsc_headers *dsc, const char *filename, const char *filenametoshow, bool *broken) {
+	retvalue r;
+	struct strlist filelines[cs_hashCOUNT];
+	enum checksumtype cs;
+
+	r = signature_readsignedchunk(filename, filenametoshow,
+			&dsc->control, NULL, broken);
+	if (RET_WAS_ERROR(r)) {
+		return r;
+	}
+	if (verbose > 100) {
+		fprintf(stderr, "Extracted control chunk from '%s': '%s'\n",
+				filenametoshow, dsc->control);
+	}
+
+	/* first look for fields that should be there */
+
+	r = chunk_getname(dsc->control, "Source", &dsc->name, false);
+	if (r == RET_NOTHING) {
+		fprintf(stderr, "Missing 'Source' field in %s!\n",
+				filenametoshow);
+		return RET_ERROR;
+	}
+	if (RET_WAS_ERROR(r))
+		return r;
+
+	/* This is needed and cannot be ignored unless
+	 * sources_complete is changed to not need it */
+	r = checkvalue(filenametoshow, dsc->control, "Format");
+	if (RET_WAS_ERROR(r))
+		return r;
+
+	r = checkvalue(filenametoshow, dsc->control, "Maintainer");
+	if (RET_WAS_ERROR(r))
+		return r;
+
+	r = getvalue(filenametoshow, dsc->control, "Version", &dsc->version);
+	if (RET_WAS_ERROR(r))
+		return r;
+
+	r = getvalue_n(dsc->control, SECTION_FIELDNAME, &dsc->section);
+	if (RET_WAS_ERROR(r))
+		return r;
+	r = getvalue_n(dsc->control, PRIORITY_FIELDNAME, &dsc->priority);
+	if (RET_WAS_ERROR(r))
+		return r;
+
+	for (cs = cs_md5sum ; cs < cs_hashCOUNT ; cs++) {
+		assert (source_checksum_names[cs] != NULL);
+		r = chunk_getextralinelist(dsc->control,
+				source_checksum_names[cs], &filelines[cs]);
+		if (r == RET_NOTHING) {
+			if (cs == cs_md5sum) {
+				fprintf(stderr,
+"Missing 'Files' field in '%s'!\n",
+					filenametoshow);
+				r = RET_ERROR;
+			} else
+				strlist_init(&filelines[cs]);
+		}
+		if (RET_WAS_ERROR(r)) {
+			while (cs-- > cs_md5sum) {
+				strlist_done(&filelines[cs]);
+			}
+			return r;
+		}
+	}
+	r = checksumsarray_parse(&dsc->files, filelines, filenametoshow);
+	for (cs = cs_md5sum ; cs < cs_hashCOUNT ; cs++) {
+		strlist_done(&filelines[cs]);
+	}
+	return r;
+}
+
+void sources_done(struct dsc_headers *dsc) {
+	free(dsc->name);
+	free(dsc->version);
+	free(dsc->control);
+	checksumsarray_done(&dsc->files);
+	free(dsc->section);
+	free(dsc->priority);
+}
+
+retvalue sources_complete(const struct dsc_headers *dsc, const char *directory, const struct overridedata *override, const char *section, const char *priority, char **newcontrol) {
+	retvalue r;
+	struct fieldtoadd *replace;
+	char *newchunk, *newchunk2;
+	char *newfilelines, *newsha1lines, *newsha256lines;
+
+	assert(section != NULL && priority != NULL);
+
+	newchunk2 = chunk_normalize(dsc->control, "Package", dsc->name);
+	if (FAILEDTOALLOC(newchunk2))
+		return RET_ERROR_OOM;
+
+	r = checksumsarray_genfilelist(&dsc->files,
+			&newfilelines, &newsha1lines, &newsha256lines);
+	if (RET_WAS_ERROR(r)) {
+		free(newchunk2);
+		return r;
+	}
+	assert (newfilelines != NULL);
+	replace = aodfield_new("Checksums-Sha256", newsha256lines, NULL);
+	if (!FAILEDTOALLOC(replace))
+		replace = aodfield_new("Checksums-Sha1", newsha1lines, replace);
+	if (!FAILEDTOALLOC(replace))
+		replace = deletefield_new("Source", replace);
+	if (!FAILEDTOALLOC(replace))
+		replace = addfield_new("Files", newfilelines, replace);
+	if (!FAILEDTOALLOC(replace))
+		replace = addfield_new("Directory", directory, replace);
+	if (!FAILEDTOALLOC(replace))
+		replace = deletefield_new("Status", replace);
+	if (!FAILEDTOALLOC(replace))
+		replace = addfield_new(SECTION_FIELDNAME, section, replace);
+	if (!FAILEDTOALLOC(replace))
+		replace = addfield_new(PRIORITY_FIELDNAME, priority, replace);
+	if (!FAILEDTOALLOC(replace))
+		replace = override_addreplacefields(override, replace);
+	if (FAILEDTOALLOC(replace)) {
+		free(newsha256lines);
+		free(newsha1lines);
+		free(newfilelines);
+		free(newchunk2);
+		return RET_ERROR_OOM;
+	}
+
+	newchunk  = chunk_replacefields(newchunk2, replace, "Files", true);
+	free(newsha256lines);
+	free(newsha1lines);
+	free(newfilelines);
+	free(newchunk2);
+	addfield_free(replace);
+	if (FAILEDTOALLOC(newchunk)) {
+		return RET_ERROR_OOM;
+	}
+
+	*newcontrol = newchunk;
+
+	return RET_OK;
+}
+
+/* update Checksums */
+retvalue sources_complete_checksums(const char *chunk, const struct strlist *filekeys, struct checksums **c, char **out) {
+	struct fieldtoadd *replace;
+	char *newchunk;
+	char *newfilelines, *newsha1lines, *newsha256lines;
+	struct checksumsarray checksums;
+	retvalue r;
+	int i;
+
+	/* fake a checksumarray... */
+	checksums.checksums = c;
+	checksums.names.count = filekeys->count;
+	checksums.names.values = nzNEW(filekeys->count, char *);
+	if (FAILEDTOALLOC(checksums.names.values))
+		return RET_ERROR_OOM;
+	for (i = 0 ; i < filekeys->count ; i++) {
+		checksums.names.values[i] = (char*)
+			dirs_basename(filekeys->values[i]);
+	}
+
+	r = checksumsarray_genfilelist(&checksums,
+			&newfilelines, &newsha1lines, &newsha256lines);
+	free(checksums.names.values);
+	if (RET_WAS_ERROR(r))
+		return r;
+	assert (newfilelines != NULL);
+	replace = aodfield_new("Checksums-Sha256", newsha256lines, NULL);
+	if (!FAILEDTOALLOC(replace))
+		replace = aodfield_new("Checksums-Sha1", newsha1lines, replace);
+	if (!FAILEDTOALLOC(replace))
+		replace = addfield_new("Files", newfilelines, replace);
+	if (FAILEDTOALLOC(replace)) {
+		free(newsha256lines);
+		free(newsha1lines);
+		free(newfilelines);
+		return RET_ERROR_OOM;
+	}
+	newchunk = chunk_replacefields(chunk, replace, "Files", true);
+	free(newsha256lines);
+	free(newsha1lines);
+	free(newfilelines);
+	addfield_free(replace);
+	if (FAILEDTOALLOC(newchunk))
+		return RET_ERROR_OOM;
+
+	*out = newchunk;
+	return RET_OK;
+}
+
+char *calc_source_basename(const char *name, const char *version) {
+	const char *v = strchr(version, ':');
+	if (v != NULL)
+		v++;
+	else
+		v = version;
+	return mprintf("%s_%s.dsc", name, v);
+}
+
+char *calc_sourcedir(component_t component, const char *sourcename) {
+
+	assert (*sourcename != '\0');
+
+	if (sourcename[0] == 'l' && sourcename[1] == 'i' &&
+			sourcename[2] == 'b' && sourcename[3] != '\0')
+		return mprintf("pool/%s/lib%c/%s",
+				atoms_components[component],
+				sourcename[3], sourcename);
+	else if (*sourcename != '\0')
+		return mprintf("pool/%s/%c/%s",
+				atoms_components[component],
+				sourcename[0], sourcename);
+	else
+		return NULL;
+}
+
+char *calc_filekey(component_t component, const char *sourcename, const char *filename) {
+	if (sourcename[0] == 'l' && sourcename[1] == 'i' &&
+			sourcename[2] == 'b' && sourcename[3] != '\0')
+		return mprintf("pool/%s/lib%c/%s/%s",
+				atoms_components[component],
+				sourcename[3], sourcename, filename);
+	else if (*sourcename != '\0')
+		return mprintf("pool/%s/%c/%s/%s",
+				atoms_components[component],
+				sourcename[0], sourcename, filename);
+	else
+		return NULL;
+}
+
+char *calc_byhanddir(component_t component, const char *sourcename, const char *version) {
+	if (sourcename[0] == 'l' && sourcename[1] == 'i' &&
+			sourcename[2] == 'b' && sourcename[3] != '\0')
+		return mprintf("pool/%s/lib%c/%s/%s_%s_byhand",
+				atoms_components[component],
+				sourcename[3], sourcename,
+				sourcename, version);
+	else if (*sourcename != '\0')
+		return mprintf("pool/%s/%c/%s/%s_%s_byhand",
+				atoms_components[component],
+				sourcename[0], sourcename,
+				sourcename, version);
+	else
+		return NULL;
+}