Signed-off-by: Florian Pritz <[email protected]>
---

v3:
 - Change output format to use \0 as field separator.
 - Only output one repo for -Fl
 - Combine else if
 - Fix incorrect placement of FREELIST(match)

 doc/pacman.8.txt    |  5 +++++
 src/pacman/conf.h   |  2 ++
 src/pacman/files.c  | 46 ++++++++++++++++++++++++++++++++++++++++------
 src/pacman/pacman.c |  6 ++++++
 4 files changed, 53 insertions(+), 6 deletions(-)

diff --git a/doc/pacman.8.txt b/doc/pacman.8.txt
index 57929b4..1df7980 100644
--- a/doc/pacman.8.txt
+++ b/doc/pacman.8.txt
@@ -477,6 +477,11 @@ The '--list', '--search' and '--owns' options are 
exclusive and can not be combi
 *-o <file>, \--owns<file>*::
        Search for packages that own a particular file.
 
+*--machinereadable*::
+       Use a machine readable output format for '--list', '--search' and
+       '--owns'. The format is 'repository\0pkgname\0pkgver\0path\n' with '\0'
+       being the NULL character and '\n' a linefeed.
+
 
 Handling Config Files[[HCF]]
 ----------------------------
diff --git a/src/pacman/conf.h b/src/pacman/conf.h
index cde6741..7a7e9cf 100644
--- a/src/pacman/conf.h
+++ b/src/pacman/conf.h
@@ -90,6 +90,7 @@ typedef struct __config_t {
        unsigned short op_s_upgrade;
 
        unsigned short op_f_regex;
+       unsigned short op_f_machinereadable;
 
        unsigned short group;
        unsigned short noask;
@@ -192,6 +193,7 @@ enum {
        OP_RECURSIVE,
        OP_SEARCH,
        OP_REGEX,
+       OP_MACHINEREADABLE,
        OP_UNREQUIRED,
        OP_UPGRADES,
        OP_SYSUPGRADE,
diff --git a/src/pacman/files.c b/src/pacman/files.c
index 31ce9e0..18fd763 100644
--- a/src/pacman/files.c
+++ b/src/pacman/files.c
@@ -27,6 +27,25 @@
 #include "conf.h"
 #include "package.h"
 
+static void print_line_machinereadable(alpm_db_t *db, alpm_pkg_t *pkg, char 
*filename) {
+       // Fields are repo, pkgname, pkgver, filename separated with \0
+       fputs(alpm_db_get_name(db), stdout);
+       fputc(0, stdout);
+       fputs(alpm_pkg_get_name(pkg), stdout);
+       fputc(0, stdout);
+       fputs(alpm_pkg_get_version(pkg), stdout);
+       fputc(0, stdout);
+       fputs(filename, stdout);
+       fputs("\n", stdout);
+}
+
+static void dump_pkg_machinereadable(alpm_db_t *db, alpm_pkg_t *pkg) {
+       alpm_filelist_t *pkgfiles = alpm_pkg_get_files(pkg);
+       for(size_t filenum = 0; filenum < pkgfiles->count; filenum++) {
+               const alpm_file_t *file = pkgfiles->files + filenum;
+               print_line_machinereadable(db, pkg, file->name);
+       }
+}
 
 static int files_fileowner(alpm_list_t *syncs, alpm_list_t *targets) {
        int ret = 0;
@@ -59,8 +78,9 @@ static int files_fileowner(alpm_list_t *syncs, alpm_list_t 
*targets) {
                                alpm_filelist_t *files = 
alpm_pkg_get_files(pkg);
 
                                if(alpm_filelist_contains(files, f)) {
-
-                                       if(!config->quiet) {
+                                       if(config->op_f_machinereadable) {
+                                               
print_line_machinereadable(repo, pkg, f);
+                                       } else if(!config->quiet) {
                                                printf(_("%s is owned by %s/%s 
%s\n"), f,
                                                                
alpm_db_get_name(repo), alpm_pkg_get_name(pkg),
                                                                
alpm_pkg_get_version(pkg));
@@ -137,7 +157,13 @@ static int files_search(alpm_list_t *syncs, alpm_list_t 
*targets, int regex) {
                                }
 
                                if(match != NULL) {
-                                       if(config->quiet) {
+                                       if(config->op_f_machinereadable) {
+                                               alpm_list_t *ml;
+                                               for(ml = match; ml; ml = 
alpm_list_next(ml)) {
+                                                       char *filename = 
ml->data;
+                                                       
print_line_machinereadable(repo, pkg, filename);
+                                               }
+                                       } else if(config->quiet) {
                                                printf("%s/%s\n", 
alpm_db_get_name(repo), alpm_pkg_get_name(pkg));
                                        } else {
                                                alpm_list_t *ml;
@@ -149,8 +175,8 @@ static int files_search(alpm_list_t *syncs, alpm_list_t 
*targets, int regex) {
                                                        c = ml->data;
                                                        printf("    %s\n", c);
                                                }
-                                               FREELIST(match);
                                        }
+                                       FREELIST(match);
                                }
                        }
                }
@@ -222,7 +248,11 @@ static int files_list(alpm_list_t *syncs, alpm_list_t 
*targets) {
 
                                if((pkg = alpm_db_get_pkg(db, targ)) != NULL) {
                                        found = 1;
-                                       dump_file_list(pkg);
+                                       if(config->op_f_machinereadable) {
+                                               dump_pkg_machinereadable(db, 
pkg);
+                                       } else {
+                                               dump_file_list(pkg);
+                                       }
                                        break;
                                }
                        }
@@ -240,7 +270,11 @@ static int files_list(alpm_list_t *syncs, alpm_list_t 
*targets) {
 
                        for(j = alpm_db_get_pkgcache(db); j; j = 
alpm_list_next(j)) {
                                alpm_pkg_t *pkg = j->data;
-                               dump_file_list(pkg);
+                               if(config->op_f_machinereadable) {
+                                       dump_pkg_machinereadable(db, pkg);
+                               } else {
+                                       dump_file_list(pkg);
+                               }
                        }
                }
        }
diff --git a/src/pacman/pacman.c b/src/pacman/pacman.c
index d777663..ad90ee6 100644
--- a/src/pacman/pacman.c
+++ b/src/pacman/pacman.c
@@ -181,6 +181,8 @@ static void usage(int op, const char * const myname)
                        addlist(_("  -x, --regex          enable searching 
using regular expressions\n"));
                        addlist(_("  -y, --refresh        download fresh 
package databases from the server\n"
                                  "                       (-yy to force a 
refresh even if up to date)\n"));
+                       addlist(_("      --machinereadable\n"
+                                 "                       produce 
machine-readable output\n"));
                }
                switch(op) {
                        case PM_OP_SYNC:
@@ -796,6 +798,9 @@ static int parsearg_files(int opt)
                case 'x':
                        config->op_f_regex = 1;
                        break;
+               case OP_MACHINEREADABLE:
+                       config->op_f_machinereadable = 1;
+                       break;
                case OP_QUIET:
                case 'q':
                        config->quiet = 1;
@@ -945,6 +950,7 @@ static int parseargs(int argc, char *argv[])
                {"recursive",  no_argument,       0, OP_RECURSIVE},
                {"search",     no_argument,       0, OP_SEARCH},
                {"regex",      no_argument,       0, OP_REGEX},
+               {"machinereadable",      no_argument,       0, 
OP_MACHINEREADABLE},
                {"unrequired", no_argument,       0, OP_UNREQUIRED},
                {"upgrades",   no_argument,       0, OP_UPGRADES},
                {"sysupgrade", no_argument,       0, OP_SYSUPGRADE},
-- 
2.6.2

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