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fix: support escaped commas in --state-values-set (#2813)

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* feat: support comma escape for values overwrites

Signed-off-by: zhengbayi <zhengbaiyi@sensetime.com>

* fix: harden state-values-set parsing and support \, in state-values-set-string

- Return a descriptive error instead of panicking when a --state-values-set
  assignment is missing '=', has an empty key, or ends with a trailing comma
- Support escaped commas in --state-values-set-string and preserve other
  backslashes (including trailing ones), aligning it with --state-values-set
  and Helm's --set/--set-string; quoted values keep working
- Allow empty values in --state-values-set-string for parity with
  --state-values-set
- Restructure parsing into guard-clause helpers with single-level
  conditionals; parse assignments via strings.Cut
- Extend table-driven tests: error cases, --state-values-set-string
  coverage, combined flags, and unit tests for the split/unescape helpers

Signed-off-by: yxxhero <aiopsclub@163.com>

---------

Signed-off-by: zhengbayi <zhengbaiyi@sensetime.com>
Signed-off-by: yxxhero <aiopsclub@163.com>
Co-authored-by: zhengbayi <zhengbaiyi@sensetime.com>
Co-authored-by: yxxhero <aiopsclub@163.com>
This commit is contained in:
zebreay
2026-10-03 15:31:04 +08:00
committed by GitHub
co-authored by zhengbayi yxxhero
parent 226c16b88e
commit 000a6fa660
4 changed files with 394 additions and 31 deletions
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docs/cli.md
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@@ -76,6 +76,30 @@ Use "helmfile [command] --help" for more information about a command.
**Note:** Each command has its own specific flags. Use `helmfile [command] --help` to see command-specific options. For example, `helmfile sync --help` shows operational flags like `--timeout`, `--wait`, and `--wait-for-jobs`.
### State value overrides
Use `--state-values-set` to override `.Values` within the Helmfile template. Separate
assignments with commas, and escape a comma inside a value with `\,`:
```bash
helmfile --state-values-set 'message=hello\,world,replicas=2' build
```
This sets `message` to the string `hello,world` and `replicas` to the number `2`.
Single quotes preserve the backslash when passing the argument through the shell.
Backslashes before other characters and at the end of a value are preserved.
`--state-values-set-string` accepts the same syntax but keeps every value as a
string without type conversion. Its values may additionally be wrapped in
single or double quotes, which allows commas without escaping:
```bash
helmfile --state-values-set-string 'zone="zone1,zone2",imageTag=1.23.3' build
```
Malformed assignments (missing `=`, empty key, or a trailing comma) are reported
as errors instead of being partially applied.
### init
The `helmfile init` sub-command checks the dependencies required for helmfile operation, such as `helm`, `helm diff plugin`, `helm secrets plugin`, `helm helm-git plugin`, `helm s3 plugin`. When it does not exist or the version is too low, it can be installed automatically.