Print paths to internal files in verbose mode

When run with -v option, this prints local file names like the path
to the local git repository and the hash file.

Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

file.c

@@ -436,7 +436,7 @@ int parse_file(const char *filename)
 	char *fmt;
 	int ret;
 
-	git = is_git_repository(filename, &branch, NULL);
+	git = is_git_repository(filename, &branch, NULL, false);
 	if (prefs.cloud_git_url &&
 	    strstr(filename, prefs.cloud_git_url)
 	    && git == dummy_git_repository)

git-access.c

@@ -806,7 +806,7 @@ static struct git_repository *is_remote_git_repository(char *remote, const char
 /*
  * If it's not a git repo, return NULL. Be very conservative.
  */
-struct git_repository *is_git_repository(const char *filename, const char **branchp, const char **remote)
+struct git_repository *is_git_repository(const char *filename, const char **branchp, const char **remote, bool dry_run)
 {
 	int flen, blen, ret;
 	int offset = 1;
@@ -857,6 +857,9 @@ struct git_repository *is_git_repository(const char *filename, const char **bran
 		return dummy_git_repository;
 	}
 
+	if (dry_run)
+		return dummy_git_repository;
+
 	repo = is_remote_git_repository(loc, branch);
 	if (repo) {
 		if (remote)

git-access.h

@@ -14,7 +14,7 @@ enum remote_transport { RT_OTHER, RT_HTTPS, RT_SSH };
 struct git_oid;
 struct git_repository;
 #define dummy_git_repository ((git_repository *)3ul) /* Random bogus pointer, not NULL */
-extern struct git_repository *is_git_repository(const char *filename, const char **branchp, const char **remote);
+extern struct git_repository *is_git_repository(const char *filename, const char **branchp, const char **remote, bool dry_run);
 extern int sync_with_remote(struct git_repository *repo, const char *remote, const char *branch, enum remote_transport rt);
 extern int git_save_dives(struct git_repository *, const char *, const char *remote, bool select_only);
 extern int git_load_dives(struct git_repository *, const char *);
@@ -23,7 +23,7 @@ extern const char *saved_git_id;
 extern void clear_git_id(void);
 extern void set_git_id(const struct git_oid *);
 void set_git_update_cb(int(*cb)(int));
-
+char *get_local_dir(const char *remote, const char *branch);
 #ifdef __cplusplus
 }
 #endif

main.cpp

@@ -74,6 +74,8 @@ int main(int argc, char **argv)
 	m->setLoadedWithFiles(!files.isEmpty() || !importedFiles.isEmpty());
 	m->loadFiles(files);
 	m->importFiles(importedFiles);
+	if (verbose > 0)
+		print_files();
 	if (!quit)
 		run_ui();
 	exit_ui();

qthelper.cpp

@@ -1078,9 +1078,19 @@ extern "C" char * hashstring(char * filename)
 	return hashOf[QString(filename)].toHex().data();
 }
 
+const QString hashfile_name()
+{
+	return QString(system_default_directory()).append("/hashes");
+}
+
+extern "C" char *hashfile_name_string()
+{
+	return strdup(hashfile_name().toUtf8().data());
+}
+
 void read_hashes()
 {
-	QFile hashfile(QString(system_default_directory()).append("/hashes"));
+	QFile hashfile(hashfile_name());
 	if (hashfile.open(QIODevice::ReadOnly)) {
 		QDataStream stream(&hashfile);
 		stream >> localFilenameOf;
@@ -1091,7 +1101,7 @@ void read_hashes()
 
 void write_hashes()
 {
-	QSaveFile hashfile(QString(system_default_directory()).append("/hashes"));
+	QSaveFile hashfile(hashfile_name());
 	if (hashfile.open(QIODevice::WriteOnly)) {
 		QDataStream stream(&hashfile);
 		stream << localFilenameOf;
@@ -1210,13 +1220,22 @@ extern "C" bool picture_exists(struct picture *picture)
 	return same_string(hash.toHex().data(), picture->hash);
 }
 
+const QString picturedir()
+{
+	return QString(system_default_directory()).append("/picturedata/");
+}
+
+extern "C" char *picturedir_string()
+{
+	return strdup(picturedir().toUtf8().data());
+}
+
 /* when we get a picture from git storage (local or remote) and can't find the picture
  * based on its hash, we create a local copy with the hash as filename and the appropriate
  * suffix */
 extern "C" void savePictureLocal(struct picture *picture, const char *data, int len)
 {
-	QString dirname(system_default_directory());
-	dirname += "/picturedata/";
+	QString dirname = picturedir();
 	QDir localPictureDir(dirname);
 	localPictureDir.mkpath(dirname);
 	QString suffix(picture->filename);
@@ -1386,6 +1405,13 @@ int getCloudURL(QString &filename)
 	return 0;
 }
 
+extern "C" char *cloud_url()
+{
+	QString filename;
+	getCloudURL(filename);
+	return strdup(filename.toUtf8().data());
+}
+
 void loadPreferences()
 {
 	QSettings s;

qthelperfromc.h

@@ -14,5 +14,8 @@ char *move_away(const char *path);
 const char *local_file_path(struct picture *picture);
 void savePictureLocal(struct picture *picture, const char *data, int len);
 void cache_picture(struct picture *picture);
+char *cloud_url();
+char *hashfile_name_string();
+char *picturedir_string();
 
 #endif // QTHELPERFROMC_H

save-xml.c

@@ -662,7 +662,7 @@ int save_dives_logic(const char *filename, const bool select_only)
 	const char *branch, *remote;
 	int error;
 
-	git = is_git_repository(filename, &branch, &remote);
+	git = is_git_repository(filename, &branch, &remote, false);
 	if (git)
 		return git_save_dives(git, branch, remote, select_only);
 

subsurfacestartup.c

@@ -3,6 +3,9 @@
 #include <stdbool.h>
 #include <string.h>
 #include "gettext.h"
+#include "qthelperfromc.h"
+#include "git-access.h"
+
 struct preferences prefs, informational_prefs;
 struct preferences default_prefs = {
 	.cloud_base_url = "https://cloud.subsurface-divelog.org/",
@@ -134,6 +137,22 @@ static void print_version()
 	printf("built with libdivecomputer v%s\n", dc_version(NULL));
 }
 
+void print_files()
+{
+	const char *branchp, *remote;
+	const char *filename, *local_git;
+
+	filename = cloud_url();
+
+	is_git_repository(filename, &branchp, &remote, true);
+	local_git = get_local_dir(remote, branchp);
+	printf("\nFile locations:\n\n");
+	printf("Local git storage: %s\n", local_git);
+	printf("Cloud URL: %s\n", cloud_url());
+	printf("Image hashes: %s\n", hashfile_name_string());
+	printf("Local picture directory: %s\n\n", picturedir_string());
+}
+
 static void print_help()
 {
 	print_version();

subsurfacestartup.h

@@ -16,6 +16,7 @@ extern bool imported;
 void setup_system_prefs(void);
 void parse_argument(const char *arg);
 void free_prefs(void);
+void print_files(void);
 
 #ifdef __cplusplus
 }