diff options
| -rw-r--r-- | docs/templates.md | 4 | ||||
| -rw-r--r-- | templater/templater.go | 9 |
2 files changed, 13 insertions, 0 deletions
diff --git a/docs/templates.md b/docs/templates.md index 11488f573a59..6c44035d0967 100644 --- a/docs/templates.md +++ b/docs/templates.md @@ -75,6 +75,7 @@ Some template functions come from Go's standard library and are listed in the available in kontemplate, as well as three custom functions: * `json`: Encodes any supplied data structure as JSON. +* `gitHEAD`: Retrieves the commit hash at Git `HEAD`. * `passLookup`: Looks up the supplied key in [pass][]. * `insertFile`: Insert the contents of the given file in the resource set folder as a string. @@ -96,6 +97,9 @@ certKeyPath: my-website/cert-key {{ .certKeyPath | passLookup }} -> Returns content of 'my-website/cert-key' from pass + +{{ gitHEAD }} +-> Returns the Git commit hash at HEAD. ``` ## Conditionals & ranges diff --git a/templater/templater.go b/templater/templater.go index bfd2af1f61bf..89cc1cd732b5 100644 --- a/templater/templater.go +++ b/templater/templater.go @@ -15,6 +15,7 @@ import ( "fmt" "io/ioutil" "os" + "os/exec" "path" "strings" "text/template" @@ -169,6 +170,14 @@ func templateFuncs(rs *context.ResourceSet) template.FuncMap { return string(b) } m["passLookup"] = GetFromPass + m["gitHEAD"] = func() (string, error) { + out, err := exec.Command("sh", "-c", "git rev-parse HEAD").Output() + if err != nil { + return "", err + } + output := strings.TrimSpace(string(out)) + return output, nil + } m["lookupIPAddr"] = GetIPsFromDNS m["insertFile"] = func(file string) (string, error) { data, err := ioutil.ReadFile(path.Join(rs.Path, file)) |