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allow modifying lockfile commit msg with nix config option

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This allows setting the commit-lockfile-summary option to a non-empty
string to override the commit summary while leaving the body unchanged.
This commit is contained in:
lincoln auster [they/them] 2022-01-13 13:01:04 -07:00
parent 4af88a4c91
commit 3e5a9ad7ff
2 changed files with 23 additions and 4 deletions
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20
src/libexpr/flake/flake.cc
View file

@ -633,12 +633,24 @@ LockedFlake lockFlake(
newLockFile.write(path);
std::optional<std::string> commitMessage = std::nullopt;
if (lockFlags.commitLockFile) {
std::string cm;
cm = settings.commitLockFileSummary.get();
if (cm == "") {
cm = fmt("%s: %s", relPath, lockFileExists ? "Update" : "Add");
}
cm += "\n\nFlake lock file updates:\n\n";
cm += filterANSIEscapes(diff, true);
commitMessage = cm;
}
topRef.input.markChangedFile(
(topRef.subdir == "" ? "" : topRef.subdir + "/") + "flake.lock",
lockFlags.commitLockFile
? std::optional<std::string>(fmt("%s: %s\n\nFlake lock file changes:\n\n%s",
relPath, lockFileExists ? "Update" : "Add", filterANSIEscapes(diff, true)))
: std::nullopt);
commitMessage);
/* Rewriting the lockfile changed the top-level
repo, so we should re-read it. FIXME: we could

7
src/libstore/globals.hh
View file

@ -966,6 +966,13 @@ public:
Setting<bool> acceptFlakeConfig{this, false, "accept-flake-config",
"Whether to accept nix configuration from a flake without prompting."};
Setting<std::string> commitLockFileSummary{
this, "", "commit-lockfile-summary",
R"(
The commit summary to use when commiting changed flake lock files. If
empty, the summary is generated based on the action performed.
)"};
};