firejail.vim: remove non-POSIX grep -x flag

It seems to be equivalent to just delimiting the beginning and the end
of the line with `^foo$`.

Also, put the regex mode (-E) first.

Commands used to search and replace:

    $ f=contrib/vim/syntax/firejail.vim; \
      printf '%s\n' "$(sed -E \
        "s|grep -vEx '([^']+)'|grep -Ev '^\\1\$'|" "$f")" >"$f"

Added on commit a1cc4a556 ("Add vim syntax and ftdetect files (#2679)",
2019-05-06).

1 files changed, 2 insertions, 2 deletions

diff --git a/contrib/vim/syntax/firejail.vim b/contrib/vim/syntax/firejail.vim
index f999a26f1..0e54e060e 100644
--- a/contrib/vim/syntax/firejail.vim
+++ b/contrib/vim/syntax/firejail.vim
@@ -51,9 +51,9 @@ syn keyword fjFilter filter contained
 syn match fjVar /\v\$\{(CFG|DESKTOP|DOCUMENTS|DOWNLOADS|HOME|MUSIC|PATH|PICTURES|RUNUSER|VIDEOS)}/
 
 " Commands grabbed from: src/firejail/profile.c
-" Generate list with: { rg -o 'strn?cmp\(ptr, "([^"]+) "' -r '$1' src/firejail/profile.c; echo private-lib; } | grep -vEx '(include|ignore|caps\.drop|caps\.keep|protocol|restrict-namespaces|seccomp|seccomp\.drop|seccomp\.keep|env|rmenv|net|ip)' | sort -u | tr '\n' '|' # private-lib is special-cased in the code and doesn't match the regex; grep-ed patterns are handled later with 'syn match nextgroup=' directives (except for include which is special-cased as a fjCommandNoCond keyword)
+" Generate list with: { rg -o 'strn?cmp\(ptr, "([^"]+) "' -r '$1' src/firejail/profile.c; echo private-lib; } | grep -Ev '^(include|ignore|caps\.drop|caps\.keep|protocol|restrict-namespaces|seccomp|seccomp\.drop|seccomp\.keep|env|rmenv|net|ip)$' | sort -u | tr '\n' '|' # private-lib is special-cased in the code and doesn't match the regex; grep-ed patterns are handled later with 'syn match nextgroup=' directives (except for include which is special-cased as a fjCommandNoCond keyword)
 syn match fjCommand /\v(apparmor|bind|blacklist|blacklist-nolog|cpu|defaultgw|dns|hostname|hosts-file|ip6|iprange|join-or-start|mac|mkdir|mkfile|mtu|name|netfilter|netfilter6|netmask|nice|noblacklist|noexec|nowhitelist|overlay-named|private|private-bin|private-cwd|private-etc|private-home|private-lib|private-opt|private-srv|read-only|read-write|rlimit-as|rlimit-cpu|rlimit-fsize|rlimit-nofile|rlimit-nproc|rlimit-sigpending|timeout|tmpfs|veth-name|whitelist|xephyr-screen) / skipwhite contained
-" Generate list with: rg -o 'strn?cmp\(ptr, "([^ "]*[^ ])"' -r '$1' src/firejail/profile.c | grep -vEx '(include|rlimit|quiet)' | sed -e 's/\./\\./' | sort -u | tr '\n' '|' # include/rlimit are false positives, quiet is special-cased below
+" Generate list with: rg -o 'strn?cmp\(ptr, "([^ "]*[^ ])"' -r '$1' src/firejail/profile.c | grep -Ev '^(include|rlimit|quiet)$' | sed -e 's/\./\\./' | sort -u | tr '\n' '|' # include/rlimit are false positives, quiet is special-cased below
 syn match fjCommand /\v(allow-debuggers|allusers|apparmor|caps|deterministic-exit-code|deterministic-shutdown|disable-mnt|ipc-namespace|keep-config-pulse|keep-dev-shm|keep-fd|keep-var-tmp|machine-id|memory-deny-write-execute|netfilter|no3d|noautopulse|nodbus|nodvd|nogroups|noinput|nonewprivs|noprinters|noroot|nosound|notv|nou2f|novideo|overlay|overlay-tmpfs|private|private-cache|private-cwd|private-dev|private-lib|private-tmp|seccomp|seccomp\.32|seccomp\.block-secondary|tracelog|writable-etc|writable-run-user|writable-var|writable-var-log|x11)$/ contained
 syn match fjCommand /ignore / nextgroup=fjCommand,fjCommandNoCond skipwhite contained
 syn match fjCommand /caps\.drop / nextgroup=fjCapability,fjAll skipwhite contained