git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'
[gitweb.git] / builtin-clean.c
index 56ae4eb9bb4efad179f7d664880457535bd6048f..fefec3010c434219234e7832051ada9ed2e52335 100644 (file)
@@ -10,6 +10,7 @@
 #include "cache.h"
 #include "dir.h"
 #include "parse-options.h"
+#include "quote.h"
 
 static int force = -1; /* unset */
 
@@ -27,13 +28,16 @@ static int git_clean_config(const char *var, const char *value)
 
 int cmd_clean(int argc, const char **argv, const char *prefix)
 {
-       int j;
+       int i;
        int show_only = 0, remove_directories = 0, quiet = 0, ignored = 0;
-       int ignored_only = 0, baselen = 0, config_set = 0;
+       int ignored_only = 0, baselen = 0, config_set = 0, errors = 0;
        struct strbuf directory;
        struct dir_struct dir;
        const char *path, *base;
        static const char **pathspec;
+       struct strbuf buf;
+       const char *qname;
+       char *seen = NULL;
        struct option options[] = {
                OPT__QUIET(&quiet),
                OPT__DRY_RUN(&show_only),
@@ -54,6 +58,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
 
        argc = parse_options(argc, argv, options, builtin_clean_usage, 0);
 
+       strbuf_init(&buf, 0);
        memset(&dir, 0, sizeof(dir));
        if (ignored_only)
                dir.show_ignored = 1;
@@ -85,12 +90,14 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
        read_directory(&dir, path, base, baselen, pathspec);
        strbuf_init(&directory, 0);
 
-       for (j = 0; j < dir.nr; ++j) {
-               struct dir_entry *ent = dir.entries[j];
-               int len, pos, specs;
+       if (pathspec)
+               seen = xmalloc(argc > 0 ? argc : 1);
+
+       for (i = 0; i < dir.nr; i++) {
+               struct dir_entry *ent = dir.entries[i];
+               int len, pos, matches;
                struct cache_entry *ce;
                struct stat st;
-               char *seen;
 
                /*
                 * Remove the '/' at the end that directory
@@ -110,44 +117,58 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                                continue; /* Yup, this one exists unmerged */
                }
 
-               if (!lstat(ent->name, &st) && (S_ISDIR(st.st_mode))) {
-                       int matched_path = 0;
+               /*
+                * we might have removed this as part of earlier
+                * recursive directory removal, so lstat() here could
+                * fail with ENOENT.
+                */
+               if (lstat(ent->name, &st))
+                       continue;
+
+               if (pathspec) {
+                       memset(seen, 0, argc > 0 ? argc : 1);
+                       matches = match_pathspec(pathspec, ent->name, ent->len,
+                                                baselen, seen);
+               } else {
+                       matches = 0;
+               }
+
+               if (S_ISDIR(st.st_mode)) {
                        strbuf_addstr(&directory, ent->name);
-                       if (pathspec) {
-                               for (specs =0; pathspec[specs]; ++specs)
-                                       /* nothing */;
-                               seen = xcalloc(specs, 1);
-                               /* Check if directory was explictly passed as
-                                * pathspec.  If so we want to remove it */
-                               if (match_pathspec(pathspec, ent->name, ent->len,
-                                                  baselen, seen))
-                                       matched_path = 1;
-                               free(seen);
-                       }
-                       if (show_only && (remove_directories || matched_path)) {
-                               printf("Would remove %s\n", directory.buf);
-                       } else if (quiet && (remove_directories || matched_path)) {
-                               remove_dir_recursively(&directory, 0);
-                       } else if (remove_directories || matched_path) {
-                               printf("Removing %s\n", directory.buf);
-                               remove_dir_recursively(&directory, 0);
+                       qname = quote_path_relative(directory.buf, directory.len, &buf, prefix);
+                       if (show_only && (remove_directories || matches)) {
+                               printf("Would remove %s\n", qname);
+                       } else if (remove_directories || matches) {
+                               if (!quiet)
+                                       printf("Removing %s\n", qname);
+                               if (remove_dir_recursively(&directory, 0) != 0) {
+                                       warning("failed to remove '%s'", qname);
+                                       errors++;
+                               }
                        } else if (show_only) {
-                               printf("Would not remove %s\n", directory.buf);
+                               printf("Would not remove %s\n", qname);
                        } else {
-                               printf("Not removing %s\n", directory.buf);
+                               printf("Not removing %s\n", qname);
                        }
                        strbuf_reset(&directory);
                } else {
+                       if (pathspec && !matches)
+                               continue;
+                       qname = quote_path_relative(ent->name, -1, &buf, prefix);
                        if (show_only) {
-                               printf("Would remove %s\n", ent->name);
+                               printf("Would remove %s\n", qname);
                                continue;
                        } else if (!quiet) {
-                               printf("Removing %s\n", ent->name);
+                               printf("Removing %s\n", qname);
+                       }
+                       if (unlink(ent->name) != 0) {
+                               warning("failed to remove '%s'", qname);
+                               errors++;
                        }
-                       unlink(ent->name);
                }
        }
+       free(seen);
 
        strbuf_release(&directory);
-       return 0;
+       return (errors != 0);
 }