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mirror of https://github.com/NixOS/nix synced 2025-06-24 22:11:15 +02:00
Code Activity

Input: Replace markFileChanged() by putFile()

Browse source 
Committing a lock file using markFileChanged() required the input to
be writable by the caller in the local filesystem (using the path
returned by getSourcePath()). putFile() abstracts over this.
This commit is contained in:
Eelco Dolstra 2023-10-25 18:18:15 +02:00
parent 5ac87a75dd
commit 95d657c8b3
8 changed files with 109 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

67
src/libexpr/flake/flake.cc
View file

@ -623,12 +623,7 @@ LockedFlake lockFlake(
debug("new lock file: %s", newLockFile);
auto relPath = (topRef.subdir == "" ? "" : topRef.subdir + "/") + "flake.lock";
auto sourcePath = topRef.input.getSourcePath();
auto outputLockFilePath = sourcePath ? std::optional{*sourcePath + "/" + relPath} : std::nullopt;
if (lockFlags.outputLockFilePath) {
outputLockFilePath = lockFlags.outputLockFilePath;
}
/* Check whether we need to / can write the new lock file. */
if (newLockFile != oldLockFile || lockFlags.outputLockFilePath) {
@ -636,7 +631,7 @@ LockedFlake lockFlake(
auto diff = LockFile::diff(oldLockFile, newLockFile);
if (lockFlags.writeLockFile) {
if (outputLockFilePath) {
if (sourcePath || lockFlags.outputLockFilePath) {
if (auto unlockedInput = newLockFile.isUnlocked()) {
if (fetchSettings.warnDirty)
warn("will not write lock file of flake '%s' because it has an unlocked input ('%s')", topRef, *unlockedInput);
@ -644,41 +639,49 @@ LockedFlake lockFlake(
if (!lockFlags.updateLockFile)
throw Error("flake '%s' requires lock file changes but they're not allowed due to '--no-update-lock-file'", topRef);
bool lockFileExists = pathExists(*outputLockFilePath);
auto newLockFileS = fmt("%s\n", newLockFile);
if (lockFileExists) {
auto s = chomp(diff);
if (s.empty())
warn("updating lock file '%s'", *outputLockFilePath);
else
warn("updating lock file '%s':\n%s", *outputLockFilePath, s);
} else
warn("creating lock file '%s'", *outputLockFilePath);
if (lockFlags.outputLockFilePath)
writeFile(*lockFlags.outputLockFilePath, newLockFileS);
else {
auto relPath = (topRef.subdir == "" ? "" : topRef.subdir + "/") + "flake.lock";
auto outputLockFilePath = sourcePath ? std::optional{*sourcePath + "/" + relPath} : std::nullopt;
newLockFile.write(*outputLockFilePath);
bool lockFileExists = pathExists(*outputLockFilePath);
std::optional<std::string> commitMessage = std::nullopt;
if (lockFlags.commitLockFile) {
if (lockFlags.outputLockFilePath) {
throw Error("--commit-lock-file and --output-lock-file are currently incompatible");
}
std::string cm;
if (lockFileExists) {
auto s = chomp(diff);
if (s.empty())
warn("updating lock file '%s'", *outputLockFilePath);
else
warn("updating lock file '%s':\n%s", *outputLockFilePath, s);
} else
warn("creating lock file '%s'", *outputLockFilePath);
cm = fetchSettings.commitLockFileSummary.get();
std::optional<std::string> commitMessage = std::nullopt;
if (cm == "") {
cm = fmt("%s: %s", relPath, lockFileExists ? "Update" : "Add");
if (lockFlags.commitLockFile) {
if (lockFlags.outputLockFilePath) {
throw Error("--commit-lock-file and --output-lock-file are currently incompatible");
}
std::string cm;
cm = fetchSettings.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;
}
cm += "\n\nFlake lock file updates:\n\n";
cm += filterANSIEscapes(diff, true);
commitMessage = cm;
topRef.input.putFile(
CanonPath((topRef.subdir == "" ? "" : topRef.subdir + "/") + "flake.lock"),
newLockFileS, commitMessage);
}
topRef.input.markChangedFile(
(topRef.subdir == "" ? "" : topRef.subdir + "/") + "flake.lock",
commitMessage);
/* Rewriting the lockfile changed the top-level
repo, so we should re-read it. FIXME: we could
also just clear the 'rev' field... */