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xbps-install: improved -D,--download-only support.

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Added support to download all dependencies even
if the euid does not have write perms to rootdir.

In this mode we only care if cachedir is writable,
rootdir access is not necessary.

This is really useful to download all binary packages
required by any number of packages as any regular
user to later perform off-line installations, i.e:

```
$ xbps-install -c $PWD/cachedir -yD xbps
...
$ tree cachedir
cachedir/
├── acl-2.2.53_1.x86_64-musl.xbps
├── acl-2.2.53_1.x86_64-musl.xbps.sig
├── attr-2.4.48_1.x86_64-musl.xbps
├── attr-2.4.48_1.x86_64-musl.xbps.sig
├── bzip2-1.0.8_1.x86_64-musl.xbps
├── bzip2-1.0.8_1.x86_64-musl.xbps.sig
├── ca-certificates-20190110_1.noarch.xbps
├── ca-certificates-20190110_1.noarch.xbps.sig
├── libarchive-3.4.1_1.x86_64-musl.xbps
├── libarchive-3.4.1_1.x86_64-musl.xbps.sig
├── libcrypto45-3.0.2_2.x86_64-musl.xbps
├── libcrypto45-3.0.2_2.x86_64-musl.xbps.sig
├── liblz4-1.9.2_1.x86_64-musl.xbps
├── liblz4-1.9.2_1.x86_64-musl.xbps.sig
├── liblzma-5.2.4_2.x86_64-musl.xbps
├── liblzma-5.2.4_2.x86_64-musl.xbps.sig
├── libressl-3.0.2_2.x86_64-musl.xbps
├── libressl-3.0.2_2.x86_64-musl.xbps.sig
├── libssl47-3.0.2_2.x86_64-musl.xbps
├── libssl47-3.0.2_2.x86_64-musl.xbps.sig
├── libtls19-3.0.2_2.x86_64-musl.xbps
├── libtls19-3.0.2_2.x86_64-musl.xbps.sig
├── libxbps-0.57.1_8.x86_64-musl.xbps
├── libxbps-0.57.1_8.x86_64-musl.xbps.sig
├── libzstd-1.4.4_1.x86_64-musl.xbps
├── libzstd-1.4.4_1.x86_64-musl.xbps.sig
├── musl-1.1.24_1.x86_64-musl.xbps
├── musl-1.1.24_1.x86_64-musl.xbps.sig
├── run-parts-4.9.1_1.x86_64-musl.xbps
├── run-parts-4.9.1_1.x86_64-musl.xbps.sig
├── xbps-0.57.1_8.x86_64-musl.xbps
├── xbps-0.57.1_8.x86_64-musl.xbps.sig
├── xbps-triggers-0.113_3.noarch.xbps
├── xbps-triggers-0.113_3.noarch.xbps.sig
├── zlib-1.2.11_3.x86_64-musl.xbps
└── zlib-1.2.11_3.x86_64-musl.xbps.sig

0 directories, 36 files
$
```

Inpired by #213
Closes #213
This commit is contained in:
Juan RP
2020-01-25 13:05:46 +01:00
parent ed5e481e77
commit bda4452016
6 changed files with 53 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
lib/transaction_ops.c
View File

@ -81,6 +81,11 @@ trans_find_pkg(struct xbps_handle *xhp, const char *pkg, bool reinstall,
} else {
pkg_pkgdb = xbps_pkgdb_get_pkg(xhp, pkg);
}
if (xhp->flags & XBPS_FLAG_DOWNLOAD_ONLY) {
pkg_pkgdb = NULL;
}
/*
* Find out if the pkg has been found in repository pool.
*/
@ -254,6 +259,10 @@ xbps_autoupdate(struct xbps_handle *xhp)
xbps_dbg_printf(xhp, "%s: trans_find_pkg xbps: %d\n", __func__, rv);
if (rv == 0) {
if (xhp->flags & XBPS_FLAG_DOWNLOAD_ONLY) {
xhp->flags |= XBPS_FLAG_FORCE_REMOVE_REVDEPS;
return 1;
}
/* a new xbps version is available, check its revdeps */
rdeps = xbps_pkgdb_get_pkg_revdeps(xhp, "xbps");
for (unsigned int i = 0; i < xbps_array_count(rdeps); i++) {