unposted (cf. GitHub #11): vcs_info hg: docs: Change an example to not use a hex dump incantation that may replace some bytes' values with asterisks.

Discussion: https://github.com/zsh-users/zsh/pull/11#issuecomment-457970494 et seq

Incidentally, GitHub #11 is also where workers/39786 (commit
zsh-5.2-578-g74aa45910) was first reported.

1 files changed, 2 insertions, 2 deletions

diff --git a/Misc/vcs_info-examples b/Misc/vcs_info-examples
index 456b3a85b..6cf87f5f8 100644
--- a/Misc/vcs_info-examples
+++ b/Misc/vcs_info-examples
@@ -138,7 +138,7 @@ zstyle ':vcs_info:git*' formats "(%s)-[%12.12i %b]-" # hash & branch
 ### Fetch the full 40-character Mercurial revision id
 # There is no great way to obtain branch, local rev, and untracked changes in
 # addition to the full 40-character global rev id with a single invocation of
-# Mercurial. This hook obtains the full global rev id using hexdump (in the
+# Mercurial. This hook obtains the full global rev id using xxd(1) (in the
 # same way the use-simple flag does) while retaining all the other vcs_info
 # default functionality and information.
 zstyle ':vcs_info:hg*+set-message:*' hooks hg-fullglobalrev
@@ -146,7 +146,7 @@ zstyle ':vcs_info:hg*+set-message:*' hooks hg-fullglobalrev
 # Output the full 40-char global rev id
 function +vi-hg-fullglobalrev() {
     local dirstatefile="${hook_com[base]}/.hg/dirstate"
-    local grevid="$(hexdump -n 20 -e '1/1 "%02x"' ${dirstatefile})"
+    local grevid="$(xxd -p -l 20 < ${dirstatefile})"
     # Omit %h from your hgrevformat since it will be included below
     hook_com[revision]="${hook_com[revision]} ${grevid}"
 }