dpkg: Fallback to rename(2) instead of link(2) for systems not supporting hard linking (android m)

This commit is contained in:
Fredrik Fornwall 2015-07-09 21:04:45 -04:00
parent d56c571f60
commit 9fbdefb995
2 changed files with 34 additions and 6 deletions

View File

@ -1,7 +1,7 @@
diff -u -r ../dpkg-1.17.10/src/archives.c ./src/archives.c
--- ../dpkg-1.17.10/src/archives.c 2014-06-05 19:56:33.000000000 +0200
+++ ./src/archives.c 2014-06-06 03:46:40.636882807 +0200
@@ -354,8 +354,10 @@
diff -u -r ../dpkg-1.17.25/src/archives.c ./src/archives.c
--- ../dpkg-1.17.25/src/archives.c 2015-04-09 17:40:47.000000000 -0400
+++ ./src/archives.c 2015-07-09 20:56:04.604894782 -0400
@@ -359,8 +359,10 @@
namenode->statoverride->uid,
namenode->statoverride->gid,
namenode->statoverride->mode);
@ -12,7 +12,7 @@ diff -u -r ../dpkg-1.17.10/src/archives.c ./src/archives.c
if (fchmod(fd, st->mode & ~S_IFMT))
ohshite(_("error setting permissions of `%.255s'"), te->name);
@@ -468,11 +470,15 @@
@@ -472,11 +474,15 @@
return; /* Already handled using the file descriptor. */
if (te->type == TAR_FILETYPE_SYMLINK) {
@ -28,7 +28,7 @@ diff -u -r ../dpkg-1.17.10/src/archives.c ./src/archives.c
if (chmod(path, st->mode & ~S_IFMT))
ohshite(_("error setting permissions of `%.255s'"), path);
}
@@ -1142,8 +1148,10 @@
@@ -1148,14 +1154,18 @@
varbuf_end_str(&symlinkfn);
if (symlink(symlinkfn.buf,fnametmpvb.buf))
ohshite(_("unable to make backup symlink for `%.255s'"), ti->name);
@ -39,3 +39,13 @@ diff -u -r ../dpkg-1.17.10/src/archives.c ./src/archives.c
tarobject_set_se_context(fnamevb.buf, fnametmpvb.buf, stab.st_mode);
} else {
debug(dbg_eachfiledetail, "tarobject nondirectory, 'link' backup");
if (link(fnamevb.buf,fnametmpvb.buf))
- ohshite(_("unable to make backup link of `%.255s' before installing new version"),
- ti->name);
+ /* Termux modification: Try with rename(2) for systems not supporting hardlinks. */
+ if (rename(fnamevb.buf,fnametmpvb.buf))
+ ohshite(_("unable to make backup link of `%.255s' before installing new version"),
+ ti->name);
}
}

View File

@ -0,0 +1,18 @@
diff -u -r ../dpkg-1.17.25/lib/dpkg/atomic-file.c ./lib/dpkg/atomic-file.c
--- ../dpkg-1.17.25/lib/dpkg/atomic-file.c 2015-04-09 17:40:47.000000000 -0400
+++ ./lib/dpkg/atomic-file.c 2015-07-08 22:18:48.766580146 -0400
@@ -90,8 +90,12 @@
if (unlink(name_old) && errno != ENOENT)
ohshite(_("error removing old backup file '%s'"), name_old);
- if (link(file->name, name_old) && errno != ENOENT)
- ohshite(_("error creating new backup file '%s'"), name_old);
+ if (link(file->name, name_old) && errno != ENOENT) {
+ /* Termux modification: Try with rename(2) for systems not supporting hardlinks. */
+ if (rename(file->name, name_old)) {
+ ohshite(_("error creating new backup file '%s'"), name_old);
+ }
+ }
free(name_old);
}