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author | baude <bbaude@redhat.com> | 2018-01-02 16:29:43 -0600 |
---|---|---|
committer | Atomic Bot <atomic-devel@projectatomic.io> | 2018-01-08 19:12:17 +0000 |
commit | 7b08aa78e4ede4c54fda6cd9917bb62e18d0d634 (patch) | |
tree | 1c480d9dfb8db3268dc3fdcca827792278a3ae47 /cmd/podman/exec.go | |
parent | 6baf6e461de6e560cc48d35239e7c392bec4481c (diff) | |
download | podman-7b08aa78e4ede4c54fda6cd9917bb62e18d0d634.tar.gz podman-7b08aa78e4ede4c54fda6cd9917bb62e18d0d634.tar.bz2 podman-7b08aa78e4ede4c54fda6cd9917bb62e18d0d634.zip |
Shortcut for most recent container
It is desirable to have a shortcut for the most
recently created container. We can now use "**latest"
to represent the most recent container instead of its
container ID or name. For example:
Signed-off-by: baude <bbaude@redhat.com>
Closes: #179
Approved by: baude
Diffstat (limited to 'cmd/podman/exec.go')
-rw-r--r-- | cmd/podman/exec.go | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/cmd/podman/exec.go b/cmd/podman/exec.go index 7a0bab617..07ef3a0cd 100644 --- a/cmd/podman/exec.go +++ b/cmd/podman/exec.go @@ -27,6 +27,7 @@ var ( Name: "user, u", Usage: "Sets the username or UID used and optionally the groupname or GID for the specified command", }, + LatestFlag, } execDescription = ` podman exec @@ -48,20 +49,30 @@ var ( func execCmd(c *cli.Context) error { var envs []string args := c.Args() - if len(args) < 1 { + var ctr *libpod.Container + var err error + argStart := 1 + if len(args) < 1 && !c.Bool("latest") { return errors.Errorf("you must provide one container name or id") } - if len(args) < 2 { + if len(args) < 2 && !c.Bool("latest") { return errors.Errorf("you must provide a command to exec") } - cmd := args[1:] + if c.Bool("latest") { + argStart = 0 + } + cmd := args[argStart:] runtime, err := getRuntime(c) if err != nil { return errors.Wrapf(err, "error creating libpod runtime") } defer runtime.Shutdown(false) - ctr, err := runtime.LookupContainer(args[0]) + if c.Bool("latest") { + ctr, err = runtime.GetLatestContainer() + } else { + ctr, err = runtime.LookupContainer(args[0]) + } if err != nil { return errors.Wrapf(err, "unable to exec into %s", args[0]) } |