[PATCH] doc: update clone+fetch with 2.0+ switches

[PATCH] doc: update clone+fetch with 2.0+ switches

[Eric Wong]

Because old versions will exist for a long time and our latest
documentation is visible on the web, we must document when a
switch appears to avoid confusing users of old versions.
---
 Documentation/public-inbox-clone.pod | 42 ++++++++++++++++++++++++----
 Documentation/public-inbox-fetch.pod |  2 ++
 2 files changed, 38 insertions(+), 6 deletions(-)

diff --git a/Documentation/public-inbox-clone.pod b/Documentation/public-inbox-clone.pod
index 7498aed9..7774d4ed 100644
--- a/Documentation/public-inbox-clone.pod
+++ b/Documentation/public-inbox-clone.pod
@@ -4,9 +4,9 @@ public-inbox-clone - "git clone --mirror" wrapper
 
 =head1 SYNOPSIS
 
-public-inbox-clone INBOX_URL [INBOX_DIR]
+public-inbox-clone [OPTIONS] INBOX_URL [INBOX_DIR]
 
-public-inbox-clone ROOT_URL [DESTINATION]
+public-inbox-clone [OPTIONS] ROOT_URL [DESTINATION] # public-inbox 2.0+
 
 =head1 DESCRIPTION
 
@@ -15,21 +15,27 @@ making the initial clone of a remote HTTP(S) public-inbox.  It
 allows cloning multi-epoch v2 inboxes with a single command and
 zero configuration.
 
+In public-inbox 2.0+, public-inbox-clone can also mirror multiple
+inboxes or code repositories using manifest.js.gz files like
+L<grok-pull(1)> from grokmirror.
+
 It does not run L<public-inbox-init(1)> nor
 L<public-inbox-index(1)>.  Those commands must be run separately
 if serving/searching the mirror is required.  As-is,
 public-inbox-clone is suitable for creating a git-only backup.
 
-public-inbox-clone creates a Makefile with handy targets to update the
-inbox once indexed.  This Makefile may be edited by the user; it will
+When cloning a single inbox, public-inbox-clone creates a Makefile
+with handy targets to update the inbox once indexed.
+This Makefile may be edited by the user; it will
 not be rewritten by L<public-inbox-fetch(1)> unless it is removed
 completely.
 
 public-inbox-clone does not use nor require any extra
 configuration files (not even C<~/.public-inbox/config>).
 
-L<public-inbox-fetch(1)> may be used to keep C<INBOX_DIR>
-up-to-date.
+L<public-inbox-fetch(1)> may be used to keep a single C<INBOX_DIR>
+up-to-date.  When using manifest.js.gz, public-inbox-clone is used
+to maintain the multi-repository mirror.
 
 For v2 inboxes, it will create a C<$INBOX_DIR/manifest.js.gz>
 file to speed up subsequent L<public-inbox-fetch(1)>.
@@ -61,12 +67,16 @@ When cloning a top-level with multiple inboxes, only clone inboxes and
 repositories matching a given wildcard pattern (using C<*?> and C<[]> is
 supported).
 
+This is a new option in public-inbox 2.0+
+
 =item --exclude=PATTERN
 
 When cloning a top-level with multiple inboxes, ignore inboxes and
 repositories matching the given wildcard pattern.  Supports the same
 wildcards as L</--include>
 
+This is a new option in public-inbox 2.0+
+
 =item --inbox-config=always|v2|v1|never
 
 Whether or not to retrieve the C<$INBOX/_/text/config/raw> HTTP(S)
@@ -78,12 +88,16 @@ no v1 inboxes are present.
 
 Default: C<always>
 
+This is a new option in public-inbox 2.0+
+
 =item --inbox-version=NUM
 
 Force a remote public-inbox version (must be C<1> or C<2>).
 This is auto-detected by default, and this option exists mainly
 for testing.
 
+This is a new option in public-inbox 2.0+
+
 =item --objstore=DIR
 
 Enables space savings when the remote C<manifest.js.gz>
@@ -94,6 +108,8 @@ as relative to the C<DESTINATION> directory.  If only C<--objstore=>
 is specified where C<DIR> is an empty string (C<"">), then C<objstore>
 (C<$DESTINATION/objstore>) is the implied value of C<DIR>.
 
+This is a new option in public-inbox 2.0+
+
 =item --manifest=FILE
 
 When incrementally updating an existing mirror, load the given
@@ -108,6 +124,8 @@ as relative to the C<DESTINATION> directory.  If only C<--manifest=>
 is specified where C<FILE> is an empty string (C<"">), then C<manifest.js.gz>
 (C<$DESTINATION/manifest.js.gz>) is the implied value of C<FILE>.
 
+This is a new option in public-inbox 2.0+
+
 =item --project-list=FILE
 
 When cloning code repos from a manifest, generate a cgit-compatible
@@ -118,6 +136,8 @@ as relative to the C<DESTINATION> directory.  If only C<--project-list=>
 is specified where C<FILE> is an empty string (C<"">), then C<projects.list>
 (C<$DESTINATION/projects.list>) is the implied value of C<FILE>.
 
+This is a new option in public-inbox 2.0+
+
 =item --post-update-hook=COMMAND
 
 Hooks to run after a repository is cloned or updated, C<COMMAND> will
@@ -129,6 +149,8 @@ For v2 inboxes, this operates on a per-epoch basis.
 May be specified multiple times to run multiple commands in the
 order specified on the command-line.
 
+This is a new option in public-inbox 2.0+
+
 =item -p
 
 =item --prune
@@ -136,24 +158,32 @@ order specified on the command-line.
 Pass the C<--prune> and C<--prune-tags> flags to L<git-fetch(1)>
 calls on incremental clones.
 
+This is a new option in public-inbox 2.0+
+
 =item --exit-code
 
 Exit with C<127> if no updates are done when relying on a manifest.
 Updates include fingerprint mismatches in the manifest, new symlinks,
 new repositories, and removed repositories from the L<--project-list>
 
+This is a new option in public-inbox 2.0+
+
 =item -k
 
 =item --keep-going
 
 Continue as much as possible after an error.
 
+This is a new option in public-inbox 2.0+
+
 =item -n
 
 =item --dry-run
 
 Show what would be done, without making any changes.
 
+This is a new option in public-inbox 2.0+
+
 =item -q
 
 =item --quiet
diff --git a/Documentation/public-inbox-fetch.pod b/Documentation/public-inbox-fetch.pod
index c5e73d38..1ff0df44 100644
--- a/Documentation/public-inbox-fetch.pod
+++ b/Documentation/public-inbox-fetch.pod
@@ -67,6 +67,8 @@ there are no updates:
 
 Pass the C<--prune> and C<--prune-tags> flags to L<git-fetch(1)> calls.
 
+This is a new option in public-inbox 2.0+
+
 =item -v
 
 =item --verbose