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closing merged branch
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2017-10-13, Gary Kramlich
33eae19fcbbe
closing merged branch
package
convey
import
(
"fmt"
"bitbucket.org/rw_grim/convey/environment"
"bitbucket.org/rw_grim/convey/plans"
"bitbucket.org/rw_grim/convey/stages"
)
// mergePlan modifies parent in-place so that any stage declared in child
// will overwrite the stage of the same name in parent. Return an error if
// a stage exists in child but not parent. Environments are also merged.
func
mergePlan
(
parent
,
child
plans
.
Plan
,
name
string
)
(
plans
.
Plan
,
error
)
{
for
_
,
stage
:=
range
child
.
Stages
{
if
!
replaceStage
(
parent
,
stage
)
{
return
plans
.
Plan
{},
fmt
.
Errorf
(
"cannot overwrite stage '%s' in plan '%s' (no such stage in parent)"
,
stage
.
Name
,
name
,
)
}
}
parent
.
Environment
=
environment
.
Merge
(
parent
.
Environment
,
child
.
Environment
)
return
parent
,
nil
}
func
replaceStage
(
plan
plans
.
Plan
,
stage
stages
.
Stage
)
bool
{
for
i
,
match
:=
range
plan
.
Stages
{
if
match
.
Name
==
stage
.
Name
{
plan
.
Stages
[
i
]
=
stage
return
true
}
}
return
false
}