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ostree export: Add --subpath support

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This lets you export a subset of a commit.

Closes: #265
Approved by: cgwalters
This commit is contained in:
Alexander Larsson 2016-04-18 14:17:08 +02:00 committed by Colin Walters (automation)
parent 9db2f43b14
commit 5079f70ec0
3 changed files with 22 additions and 4 deletions
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2
src/libostree/ostree-repo-libarchive.c
View File

@ -480,7 +480,7 @@ file_to_archive_entry_common (GFile *root,
g_autoptr(GVariant) xattrs = NULL;
time_t ts = (time_t) opts->timestamp_secs;
if (pathstr && !pathstr[0])
if (pathstr == NULL || !pathstr[0])
{
g_free (pathstr);
pathstr = g_strdup (".");

10
src/ostree/ot-builtin-export.c
View File

@ -32,10 +32,12 @@
#endif
static char *opt_output_path;
static char *opt_subpath;
static gboolean opt_no_xattrs;
static GOptionEntry options[] = {
{ "no-xattrs", 0, 0, G_OPTION_ARG_NONE, &opt_no_xattrs, "Skip output of extended attributes", NULL },
{ "subpath", 0, 0, G_OPTION_ARG_STRING, &opt_subpath, "Checkout sub-directory PATH", "PATH" },
{ "output", 'o', 0, G_OPTION_ARG_STRING, &opt_output_path, "Output to PATH ", "PATH" },
{ NULL }
};
@ -60,6 +62,7 @@ ostree_builtin_export (int argc, char **argv, GCancellable *cancellable, GError
gboolean ret = FALSE;
const char *rev;
g_autoptr(GFile) root = NULL;
g_autoptr(GFile) subtree = NULL;
g_autofree char *commit = NULL;
g_autoptr(GVariant) commit_data = NULL;
struct archive *a;
@ -124,7 +127,12 @@ ostree_builtin_export (int argc, char **argv, GCancellable *cancellable, GError
opts.timestamp_secs = ostree_commit_get_timestamp (commit_data);
if (!ostree_repo_export_tree_to_archive (repo, &opts, (OstreeRepoFile*)root, a,
if (opt_subpath)
subtree = g_file_resolve_relative_path (root, opt_subpath);
else
subtree = g_object_ref (root);
if (!ostree_repo_export_tree_to_archive (repo, &opts, (OstreeRepoFile*)subtree, a,
cancellable, error))
goto out;

14
tests/test-export.sh
View File

@ -23,7 +23,7 @@ set -euo pipefail
setup_test_repository "archive-z2"
echo '1..2'
echo '1..3'
$OSTREE checkout test2 test2-co
$OSTREE commit --no-xattrs -b test2-noxattrs -s "test2 without xattrs" --tree=dir=test2-co
@ -35,10 +35,20 @@ mkdir t
(cd t && tar xf ../test2.tar)
${CMD_PREFIX} ostree --repo=repo diff --no-xattrs test2-noxattrs ./t > diff.txt
assert_file_empty diff.txt
rm test2.tar diff.txt t -rf
echo 'ok export gnutar diff (no xattrs)'
cd ${test_tmpdir}
${OSTREE} 'export' test2-noxattrs --subpath=baz -o test2-subpath.tar
mkdir t2
(cd t2 && tar xf ../test2-subpath.tar)
${CMD_PREFIX} ostree --repo=repo diff --no-xattrs ./t2 ./t/baz > diff.txt
assert_file_empty diff.txt
echo 'ok export --subpath gnutar diff (no xattrs)'
rm test2.tar test2-subpath.tar diff.txt t t2 -rf
cd ${test_tmpdir}
${OSTREE} 'export' test2 -o test2.tar
${OSTREE} commit -b test2-from-tar -s 'Import from tar' --tree=tar=test2.tar