vole

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A free and open-source forge that lives in your Git repo.

refactor

c5902451905acdaa478f8476844ccd4a510d9ca9 · Keenan Nemetz · 17d ago · parent ec2aba4b

cmd/vole/hook.go +82

@@ -0,0 +1,82 @@
	1	package main
	2
	3	import (
	4	"errors"
	5	"os"
	6	"strconv"
	7
	8	"github.com/rodent-software/vole/core/lfs"
	9	"github.com/rodent-software/vole/server/hook"
	10	)
	11
	12	// ---------- hook ----------
	13
	14	// cmdHook runs inside a git push. It must never be optimistic: anything it
	15	// cannot verify is a rejection.
	16	func cmdHook(args []string) error {
	17	if len(args) == 0 {
	18	return errors.New("usage: vole hook pre-receive\|post-receive")
	19	}
	20	dir := os.Getenv("GIT_DIR")
	21	if dir == "" {
	22	dir = "."
	23	}
	24	if args[0] == "post-receive" {
	25	hook.PostReceive(hook.Config{
	26	RepoDir: dir,
	27	Actor: os.Getenv("VOLE_ACTOR"),
	28	ActorID: os.Getenv("VOLE_ACTOR_ID"),
	29	AuditPath: os.Getenv("VOLE_AUDIT"),
	30	SpoolDir: os.Getenv("VOLE_SPOOL"),
	31	In: os.Stdin,
	32	Out: os.Stderr,
	33	})
	34	return nil
	35	}
	36	if args[0] != "pre-receive" {
	37	return usagef("unknown hook %q", args[0])
	38	}
	39	maxBlob := int64(0)
	40	if v := os.Getenv("VOLE_MAX_BLOB"); v != "" {
	41	if n, err := strconv.ParseInt(v, 10, 64); err == nil {
	42	maxBlob = n
	43	}
	44	}
	45	code := hook.PreReceive(hook.Config{
	46	RepoDir: dir,
	47	Actor: os.Getenv("VOLE_ACTOR"),
	48	ActorID: os.Getenv("VOLE_ACTOR_ID"),
	49	MaxBlobBytes: maxBlob,
	50	LFS: lfsFromEnv(),
	51	LFSWarnBytes: envInt("VOLE_LFS_WARN"),
	52	AuditPath: os.Getenv("VOLE_AUDIT"),
	53	UsersDB: os.Getenv("VOLE_USERS_DB"),
	54	RunsDB: os.Getenv("VOLE_RUNS_DB"),
	55	In: os.Stdin,
	56	Out: os.Stderr,
	57	})
	58	if code != 0 {
	59	os.Exit(code)
	60	}
	61	return nil
	62	}
	63
	64	// lfsFromEnv opens the instance's LFS store for the hook. The hook is a
	65	// short-lived process, so an existing store is referenced, never created: a push
	66	// must not be the reason an empty store directory appears.
	67	func lfsFromEnv() *lfs.Store {
	68	dir := os.Getenv("VOLE_LFS_DIR")
	69	if dir == "" {
	70	return nil
	71	}
	72	return lfs.New(dir, envInt("VOLE_LFS_MAX"))
	73	}
	74
	75	func envInt(key string) int64 {
	76	if v := os.Getenv(key); v != "" {
	77	if n, err := strconv.ParseInt(v, 10, 64); err == nil {
	78	return n
	79	}
	80	}
	81	return 0
	82	}