$ cat << EOF >> $HGRCPATH

  > [format]

  > usegeneraldelta=yes

  > EOF

bundle w/o type option

  $ hg init t1

  $ hg init t2

  $ cd t1

  $ echo blablablablabla > file.txt

  $ hg ci -Ama

  adding file.txt

  $ hg log | grep summary

  summary:     a

  $ hg bundle ../b1 ../t2

  searching for changes

  1 changesets found

  $ cd ../t2

  $ hg pull ../b1

  pulling from ../b1

  requesting all changes

  adding changesets

  adding manifests

  adding file changes

  added 1 changesets with 1 changes to 1 files

  (run 'hg update' to get a working copy)

  $ hg up

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg log | grep summary

  summary:     a

  $ cd ..

test bundle types

  $ testbundle() {

  >   echo % test bundle type $1

  >   hg init t$1

  >   cd t1

  >   hg bundle -t $1 ../b$1 ../t$1

  >   f -q -B6 -D ../b$1; echo

  >   cd ../t$1

  >   hg debugbundle ../b$1

  >   hg debugbundle --spec ../b$1

  >   echo

  >   cd ..

  > }

  $ for t in "None" "bzip2" "gzip" "none-v2" "v2" "v1" "gzip-v1"; do

  >   testbundle $t

  > done

  % test bundle type None

  searching for changes

  1 changesets found

  HG20\x00\x00 (esc)

  Stream params: {}

  changegroup -- "sortdict([('version', '02'), ('nbchanges', '1')])"

      c35a0f9217e65d1fdb90c936ffa7dbe679f83ddf

  none-v2

  % test bundle type bzip2

  searching for changes

  1 changesets found

  HG20\x00\x00 (esc)

  Stream params: sortdict([('Compression', 'BZ')])

  changegroup -- "sortdict([('version', '02'), ('nbchanges', '1')])"

      c35a0f9217e65d1fdb90c936ffa7dbe679f83ddf

  bzip2-v2

  % test bundle type gzip

  searching for changes

  1 changesets found

  HG20\x00\x00 (esc)

  Stream params: sortdict([('Compression', 'GZ')])

  changegroup -- "sortdict([('version', '02'), ('nbchanges', '1')])"

      c35a0f9217e65d1fdb90c936ffa7dbe679f83ddf

  gzip-v2

  % test bundle type none-v2

  searching for changes

  1 changesets found

  HG20\x00\x00 (esc)

  Stream params: {}

  changegroup -- "sortdict([('version', '02'), ('nbchanges', '1')])"

      c35a0f9217e65d1fdb90c936ffa7dbe679f83ddf

  none-v2

  % test bundle type v2

  searching for changes

  1 changesets found

  HG20\x00\x00 (esc)

  Stream params: sortdict([('Compression', 'BZ')])

  changegroup -- "sortdict([('version', '02'), ('nbchanges', '1')])"

      c35a0f9217e65d1fdb90c936ffa7dbe679f83ddf

  bzip2-v2

  % test bundle type v1

  searching for changes

  1 changesets found

  HG10BZ

  c35a0f9217e65d1fdb90c936ffa7dbe679f83ddf

  bzip2-v1

  % test bundle type gzip-v1

  searching for changes

  1 changesets found

  HG10GZ

  c35a0f9217e65d1fdb90c936ffa7dbe679f83ddf

  gzip-v1

#if zstd

  $ for t in "zstd" "zstd-v2"; do

  >   testbundle $t

  > done

  % test bundle type zstd

  searching for changes

  1 changesets found

  HG20\x00\x00 (esc)

  Stream params: sortdict([('Compression', 'ZS')])

  changegroup -- "sortdict([('version', '02'), ('nbchanges', '1')])"

      c35a0f9217e65d1fdb90c936ffa7dbe679f83ddf

  zstd-v2

  % test bundle type zstd-v2

  searching for changes

  1 changesets found

  HG20\x00\x00 (esc)

  Stream params: sortdict([('Compression', 'ZS')])

  changegroup -- "sortdict([('version', '02'), ('nbchanges', '1')])"

      c35a0f9217e65d1fdb90c936ffa7dbe679f83ddf

  zstd-v2

#else

zstd is a valid engine but isn't available

  $ hg -R t1 bundle -a -t zstd irrelevant.hg

  abort: compression engine zstd could not be loaded

  [255]

#endif

test garbage file

  $ echo garbage > bgarbage

  $ hg init tgarbage

  $ cd tgarbage

  $ hg pull ../bgarbage

  pulling from ../bgarbage

  abort: ../bgarbage: not a Mercurial bundle

  [255]

  $ cd ..

test invalid bundle type

  $ cd t1

  $ hg bundle -a -t garbage ../bgarbage

  abort: garbage is not a recognized bundle specification

  (see 'hg help bundle' for supported values for --type)

  [255]

  $ cd ..