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-rw-r--r--src/util/pacsort.c52
1 files changed, 49 insertions, 3 deletions
diff --git a/src/util/pacsort.c b/src/util/pacsort.c
index c7b8c940..50b9c650 100644
--- a/src/util/pacsort.c
+++ b/src/util/pacsort.c
@@ -18,6 +18,7 @@
*/
#include <errno.h>
+#include <fnmatch.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
@@ -43,6 +44,7 @@ static struct options_t {
int order;
int sortkey;
int null;
+ int filemode;
char delim;
} opts;
@@ -259,15 +261,54 @@ static const char *nth_column(const char *string)
static int vercmp(const void *p1, const void *p2)
{
const char *name1, *name2;
+ char *fn1 = NULL, *fn2 = NULL;
+ int r;
name1 = *(const char **)p1;
name2 = *(const char **)p2;
+ /* if we're operating in file mode, we modify the strings under certain
+ * conditions to appease alpm_pkg_vercmp(). If and only if both inputs end
+ * with a suffix that appears to be a package name, we strip the suffix and
+ * remove any leading paths. This means that strings such as:
+ *
+ * /var/cache/pacman/pkg/firefox-18.0-2-x86_64.pkg.tar.xz
+ * firefox-18.0-2-x86_64.pkg.tar.gz
+ *
+ * Will be considered equal by this version comparison
+ */
+ if(opts.filemode) {
+ if(fnmatch("*-*.pkg.tar.?z", name1, 0) == 0 &&
+ fnmatch("*-*.pkg.tar.?z", name2, 0) == 0) {
+ const char *start, *end;
+
+ start = strrchr(name1, '/');
+ start = start ? start + 1 : name1;
+ end = strrchr(name1, '-');
+ fn1 = strndup(start, end - start);
+
+ start = strrchr(name2, '/');
+ start = start ? start + 1 : name2;
+ end = strrchr(name2, '-');
+ fn2 = strndup(start, end - start);
+
+ name1 = fn1;
+ name2 = fn2;
+ }
+ }
+
if(opts.sortkey == 0) {
- return opts.order * alpm_pkg_vercmp(name1, name2);
+ r = opts.order * alpm_pkg_vercmp(name1, name2);
} else {
- return opts.order * alpm_pkg_vercmp(nth_column(name1), nth_column(name2));
+ r = opts.order * alpm_pkg_vercmp(nth_column(name1), nth_column(name2));
}
+
+ if(opts.filemode) {
+ free(fn1);
+ free(fn2);
+ }
+
+ return r;
}
static char escape_char(const char *string)
@@ -304,6 +345,7 @@ static void usage(void)
{
fprintf(stderr, "pacsort v" PACKAGE_VERSION "\n"
"Usage: pacsort [options] [files...]\n\n"
+ " -f, --files assume inputs are filepaths of packages\n"
" -h, --help display this help message\n"
" -k, --key <index> sort input starting on specified column\n"
" -r, --reverse sort in reverse order (default: oldest to newest)\n"
@@ -316,6 +358,7 @@ static int parse_options(int argc, char **argv)
int opt;
static const struct option opttable[] = {
+ {"files", no_argument, 0, 'f'},
{"help", no_argument, 0, 'h'},
{"key", required_argument, 0, 'k'},
{"reverse", no_argument, 0, 'r'},
@@ -324,8 +367,11 @@ static int parse_options(int argc, char **argv)
{0, 0, 0, 0}
};
- while((opt = getopt_long(argc, argv, "hk:rt:z", opttable, NULL)) != -1) {
+ while((opt = getopt_long(argc, argv, "fhk:rt:z", opttable, NULL)) != -1) {
switch(opt) {
+ case 'f':
+ opts.filemode = 1;
+ break;
case 'h':
return 1;
case 'k':